Title: Cheap Flights from Montreal (YUL) to Sidney (SDY) - Expedia.ca ![Adobe](https://images.trvl-media.com/place/3119/a06eb185-b670-43b5-a222-b9723a9fdab0.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/3119/a06eb185-b670-43b5-a222-b9723a9fdab0.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Flights from Montreal (YUL) to Sidney (SDY) - [Roundtrip](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travellers Adults ChildrenAges 2 to 17 InfantsYounger than 2 EconomyPremium economyBusiness classFirst class Leaving from Going to Departing Returning Add a place to stay Add a car Direct flights only ## Popular airlines from Trudeau International Airport (YUL) to Sidney, MT (SDY-Sidney-Richland Municipal) - ![Air Canada](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AC.svg) Air Canada [](https://www.expedia.ca/Flights-Search?leg1=from:yul,to:sdy,departure:14/11/2025TANYT&leg2=from:sdy,to:yul,departure:21/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AC"}}]) - ![WestJet](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_WS.svg) WestJet [](https://www.expedia.ca/Flights-Search?leg1=from:yul,to:sdy,departure:14/11/2025TANYT&leg2=from:sdy,to:yul,departure:21/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WS"}}]) - ![Flair Airlines](https://a.travel-assets.com/air/airlines/f8_sq.svg) Flair Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:yul,to:sdy,departure:14/11/2025TANYT&leg2=from:sdy,to:yul,departure:21/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"F8"}}]) - ![American Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:yul,to:sdy,departure:14/11/2025TANYT&leg2=from:sdy,to:yul,departure:21/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![United](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_UA.svg) United [](https://www.expedia.ca/Flights-Search?leg1=from:yul,to:sdy,departure:14/11/2025TANYT&leg2=from:sdy,to:yul,departure:21/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ![Delta](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_DL.svg) Delta [](https://www.expedia.ca/Flights-Search?leg1=from:yul,to:sdy,departure:14/11/2025TANYT&leg2=from:sdy,to:yul,departure:21/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![Porter Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_PD.svg) Porter Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:yul,to:sdy,departure:14/11/2025TANYT&leg2=from:sdy,to:yul,departure:21/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"PD"}}]) ![notification illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__notification.svg) ### Be in the know Get alerts if flight prices drop or rise\* ![deals illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg) ### Book smarter Save up to 30% on select hotels after you book a flight\* ![trophy illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.ca/login) ## Cheap flights from Montreal (YUL) to Sidney (SDY) Prices were available within the past 7 days and start at for one-way flights and CA $3,598 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Wed, Nov 19 - Mon, Nov 24 YUL Montreal SDY Sidney CA $3,598 Roundtrip found 3 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YUL,to:SDY,departure:19/11/2025TANYT&leg2=from:SDY,to:YUL,departure:24/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:3597.27&airProductToken=AQrXAQo1CNWCARIEMzYwMBiYXSCuHCiUvv0CMMi__QI4WUAAWAFqCTdfZWNvdW5yc3IIWU5BMEExTFQKNQjVggESBDIxMzEYrhwgg2ko97_9AjCfwf0COFlAAFgBagk3X2Vjb3VucnNyCFlOQTBBMUxUCjUI1YIBEgQ1NDk4GINpIIFaKNDD_QIwsMT9AjhZQABYAWoJN19lY291bnJzcghZTkEwQTFMVAowCLmWARIEMTc4NRiBWiDywAEo5cT9AjDLxf0COFlAAFgBagk3X2Vjb3VucnNyAlk5CtYBCjAIuZYBEgQxNzc4GPLAASCBWiiL-P0CMP74_QI4WUAAWAFqCTdfZWNvdW5yc3ICWTkKNQjVggESBDQ2ODkYgVogg2koyfn9AjC2-v0COFlAAFgBagk3X2Vjb3VucnNyCFlOQTBBMUxUCjQI1YIBEgM2MTcYg2kgrhwo6fr9AjCC_P0COFlAAFgBagk3X2Vjb3VucnNyCFlOQTBBMUxUCjUI1YIBEgQzNTQyGK4cIJhdKLv8_QIwyf39AjhZQABYAWoJN19lY291bnJzcghZTkEwQTFMVBIKCAEQARgBKgJVQRgBIgQIARABKAIoAygEMAs) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Sat, Nov 8 - Thu, Nov 13 YUL Montreal SDY Sidney CA $3,598 Roundtrip found 6 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YUL,to:SDY,departure:08/11/2025TANYT&leg2=from:SDY,to:YUL,departure:13/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:3597.77&airProductToken=AQrXAQo1CNWCARIEMzYwMBiYXSCuHCi0wvwCMOjD_AI4WUAAWAFqCTdfZWNvdW5yc3IIWU5BMEExTFQKNQjVggESBDIwOTAYrhwgg2kolMb8AjC-x_wCOFlAAFgBagk3X2Vjb3VucnNyCFlOQTBBMUxUCjUI1YIBEgQ1NDk4GINpIIFaKPDH_AIw0sj8AjhZQABYAWoJN19lY291bnJzcghZTkEwQTFMVAowCLmWARIEMTc4NRiBWiDywAEohcn8AjDryfwCOFlAAFgBagk3X2Vjb3VucnNyAlk5CtYBCjAIuZYBEgQxNzc4GPLAASCBWiir_PwCMJ79_AI4WUAAWAFqCTdfZWNvdW5yc3ICWTkKNQjVggESBDQ2ODkYgVogg2ko6f38AjDW_vwCOFlAAFgBagk3X2Vjb3VucnNyCFlOQTBBMUxUCjQI1YIBEgM2MTcYg2kgrhwoif_8AjCigP0COFlAAFgBagk3X2Vjb3VucnNyCFlOQTBBMUxUCjUI1YIBEgQzNTQyGK4cIJhdKNuA_QIw6YH9AjhZQABYAWoJN19lY291bnJzcghZTkEwQTFMVBIKCAEQARgBKgJVQRgBIgQIARABKAIoAygEMAs) ![Air Canada](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AC.gif) Sat, Dec 6 - Thu, Dec 11 YUL Montreal SDY Sidney CA $3,634 Roundtrip found 4 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YUL,to:SDY,departure:06/12/2025TANYT&leg2=from:SDY,to:YUL,departure:11/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:3633.61&airProductToken=AQrXAQo1CMGGARIDNDEzGJhdIJjOASjigP8CMLyB_wI4S0AAWAFqCTdfZWNvdW5yc3IIS0QyTlpBQ08KNQjVggESAzU2OBiYzgEgg2koloL_AjCChP8COFlAAFgBagk3X2Vjb3VucnNyCFlOQTBBMUxUCjUI1YIBEgQxNDE3GINpIIFaKOWE_wIwxYX_AjhZQABYAWoJN19lY291bnJzcghZTkEwQTFMVAowCLmWARIEMTc3NRiBWiDywAEooYr_AjCHi_8COFlAAFgBagk3X2Vjb3VucnNyAlk5CtYBCjAIuZYBEgQxNzc4GPLAASCBWiirt_8CMJ64_wI4WUAAWAFqCTdfZWNvdW5yc3ICWTkKNQjVggESBDQ3MjgYgVogg2ko8rj_AjDduf8COFlAAFgBagk3X2Vjb3VucnNyCFlOQTBBMUxUCjQI1YIBEgM2MTcYg2kgrhwoibr_AjCiu_8COFlAAFgBagk3X2Vjb3VucnNyCFlOQTBBMUxUCjUI1YIBEgQzNTQyGK4cIJhdKNu7_wIw6bz_AjhZQABYAWoJN19lY291bnJzcghZTkEwQTFMVBIKCAEQARgBKgJVQRgBIgQIARABKAIoAygEMAs) ![Air Canada](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AC.gif) Tue, Dec 9 - Sun, Dec 14 YUL Montreal SDY Sidney CA $4,143 Roundtrip found 4 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YUL,to:SDY,departure:09/12/2025TANYT&leg2=from:SDY,to:YUL,departure:14/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:4142.86&airProductToken=AQrXAQo1CMGGARIDNDEzGJhdIJjOASjCov8CMJyj_wI4TUAAWAFqCTdfZWNvdW5yc3IITUQxTlpBQ08KNQjVggESAzU2OBiYzgEgg2ko9qP_AjDipf8COFlAAFgBagk3X2Vjb3VucnNyCFlOQTBBMUxUCjUI1YIBEgQxNDE3GINpIIFaKMWm_wIwpaf_AjhZQABYAWoJN19lY291bnJzcghZTkEwQTFMVAowCLmWARIEMTc3NRiBWiDywAEogaz_AjDnrP8COFlAAFgBagk3X2Vjb3VucnNyAlk5CtYBCjAIuZYBEgQxNzc4GPLAASCBWiiL2f8CMP7Z_wI4WUAAWAFqCTdfZWNvdW5yc3ICWTkKNQjVggESBDQ3MjgYgVogg2ko0tr_AjC92_8COFlAAFgBagk3X2Vjb3VucnNyCFlOQTBBMUxUCjQI1YIBEgM2MTcYg2kgrhwo6dv_AjCC3f8COFlAAFgBagk3X2Vjb3VucnNyCFlOQTBBMUxUCjUI1YIBEgQzNTQyGK4cIJhdKLvd_wIwyd7_AjhZQABYAWoJN19lY291bnJzcghZTkEwQTFMVBIKCAEQARgBKgJVQRgBIgQIARABKAIoAygEMAs) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Tue, Dec 9 - Sun, Dec 14 YUL Montreal SDY Sidney CA $4,861 Roundtrip found 4 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YUL,to:SDY,departure:09/12/2025TANYT&leg2=from:SDY,to:YUL,departure:14/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:4860.42&airProductToken=AQrWAQo1CNWCARIEODA1MxiYXSChAyjHov8CMPGj_wI4WUAAWAFqCTdfZWNvdW5yc3IIWU5BMEExTFQKNAjVggESAzY0ORihAyCDaSiopP8CMOGl_wI4WUAAWAFqCTdfZWNvdW5yc3IIWUFBMEFERVkKNQjVggESBDE0MTcYg2kggVooxab_AjClp_8COFlAAFgBagk3X2Vjb3VucnNyCFlBQTBBREVZCjAIuZYBEgQxNzc1GIFaIPLAASiBrP8CMOes_wI4WUAAWAFqCTdfZWNvdW5yc3ICWTkK1gEKMAi5lgESBDE3NzgY8sABIIFaKIvZ_wIw_tn_AjhZQABYAWoJN19lY291bnJzcgJZOQo1CNWCARIENDcyOBiBWiCDaSjS2v8CML3b_wI4WUAAWAFqCTdfZWNvdW5yc3IIWU5BMEExTFQKNAjVggESAzYxNxiDaSCuHCjp2_8CMILd_wI4WUAAWAFqCTdfZWNvdW5yc3IIWU5BMEExTFQKNQjVggESBDM1NDIYrhwgmF0ou93_AjDJ3v8COFlAAFgBagk3X2Vjb3VucnNyCFlOQTBBMUxUEgoIARABGAEqAlVBGAEiBAgBEAEoAigDKAQwCw) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Wed, Nov 19 - Mon, Nov 24 YUL Montreal SDY Sidney CA $4,986 Roundtrip found 3 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YUL,to:SDY,departure:19/11/2025TANYT&leg2=from:SDY,to:YUL,departure:24/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:4985.37&airProductToken=AQrXAQo1CNWCARIEODE4MhiYXSDLASigv_0CMP2__QI4WUAAWAFqCTdfZWNvdW5yc3IIWU5BMEExTFQKNQjVggESBDIyMDAYywEgg2kohcH9AjCXw_0COFlAAFgBagk3X2Vjb3VucnNyCFlBQTBBREVZCjUI1YIBEgQ1NDk4GINpIIFaKNDD_QIwsMT9AjhZQABYAWoJN19lY291bnJzcghZQUEwQURFWQowCLmWARIEMTc4NRiBWiDywAEo5cT9AjDLxf0COFlAAFgBagk3X2Vjb3VucnNyAlk5CtkBCjAIuZYBEgQxNzg4GPLAASCBWii2-_0CMKn8_QI4WUAAWAFqCTdfZWNvdW5yc3ICWTkKNQjVggESBDQ3NTgYgVogg2ko-fz9AjDg_f0COFlAAFgBagk3X2Vjb3VucnNyCFlOQTBBMUxUCjYI1YIBEgQxNzQ1GINpIMSNASja__0CMLGB_gI4WUAAWAFqCTdfZWNvdW5yc3IIWU5BMEExTFQKNgjVggESBDg0MTAYxI0BIJhdKIuC_gIw7IL-AjhZQABYAWoJN19lY291bnJzcghZTkEwQTFMVBIKCAEQARgBKgJVQRgBIgQIARABKAIoAygEMAs) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Tue, Nov 18 - Sun, Nov 23 YUL Montreal SDY Sidney CA $5,094 Roundtrip found 3 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YUL,to:SDY,departure:18/11/2025TANYT&leg2=from:SDY,to:YUL,departure:23/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:5093.52&airProductToken=AQrXAQo1CNWCARIEODM3MRiYXSCuHCjBtP0CMO61_QI4WUAAWAFqCTdfZWNvdW5yc3IIWU5BMEExTFQKNQjVggESBDIwOTAYrhwgg2ko1Lb9AjD-t_0COFlAAFgBagk3X2Vjb3VucnNyCFlOQTBBMUxUCjUI1YIBEgQ1NDk4GINpIIFaKLC4_QIwkLn9AjhZQABYAWoJN19lY291bnJzcghZTkEwQTFMVAowCLmWARIEMTc4NRiBWiDywAEoxbn9AjCruv0COFlAAFgBagk3X2Vjb3VucnNyAlk5CtYBCjAIuZYBEgQxNzgwGPLAASCBWijg7f0CMNPu_QI4WUAAWAFqCTdfZWNvdW5yc3ICWTkKNAjVggESAzQ3OBiBWiCDaSiL8P0CMPLw_QI4WUAAWAFqCTdfZWNvdW5yc3IIWUFBMEFERVkKNQjVggESBDEyNDYYg2kgywEozfH9AjCu8_0COFlAAFgBagk3X2Vjb3VucnNyCFlBQTBBREVZCjUI1YIBEgQ4NDMxGMsBIJhdKLn2_QIwkPf9AjhZQABYAWoJN19lY291bnJzcghZTkEwQTFMVBIKCAEQARgBKgJVQRgBIgQIARABKAIoAygEMAs) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Wed, Nov 19 - Mon, Nov 24 YUL Montreal SDY Sidney CA $5,105 Roundtrip found 3 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YUL,to:SDY,departure:19/11/2025TANYT&leg2=from:SDY,to:YUL,departure:24/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:5104.02&airProductToken=AQrYAQo2CNWCARIEODQxNhiYXSDBkwEokb_9AjDov_0COFlAAFgBagk3X2Vjb3VucnNyCFlOQTBBMUxUCjUI1YIBEgM0MTQYwZMBIINpKO3A_QIwjcP9AjhZQABYAWoJN19lY291bnJzcghZQUEwQURFWQo1CNWCARIENTQ5OBiDaSCBWijQw_0CMLDE_QI4WUAAWAFqCTdfZWNvdW5yc3IIWUFBMEFERVkKMAi5lgESBDE3ODUYgVog8sABKOXE_QIwy8X9AjhZQABYAWoJN19lY291bnJzcgJZOQrWAQowCLmWARIEMTc4NBjywAEggVooyPr9AjC7-_0COFlAAFgBagk3X2Vjb3VucnNyAlk5CjUI1YIBEgQ0NzU4GIFaIINpKPn8_QIw4P39AjhZQABYAWoJN19lY291bnJzcghZTkEwQTFMVAo0CNWCARIDMzc3GINpIK4cKJL-_QIwp__9AjhZQABYAWoJN19lY291bnJzcghZTkEwQTFMVAo1CNWCARIEODQ1MhiuHCCYXSjRgv4CMM6D_gI4WUAAWAFqCTdfZWNvdW5yc3IIWU5BMEExTFQSCggBEAEYASoCVUEYASIECAEQASgCKAMoBDAL) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Sat, Nov 8 - Thu, Nov 13 YUL Montreal SDY Sidney CA $5,105 Roundtrip found 6 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YUL,to:SDY,departure:08/11/2025TANYT&leg2=from:SDY,to:YUL,departure:13/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:5104.52&airProductToken=AQrXAQo1CNWCARIEMzYwMBiYXSCuHCi0wvwCMOjD_AI4WUAAWAFqCTdfZWNvdW5yc3IIWU5BMEExTFQKNQjVggESBDIxMzEYrhwgg2kol8T8AjC_xfwCOFlAAFgBagk3X2Vjb3VucnNyCFlOQTBBMUxUCjUI1YIBEgQxODc3GINpIIFaKIrG_AIw58b8AjhZQABYAWoJN19lY291bnJzcghZTkEwQTFMVAowCLmWARIEMTc4ORiBWiDywAEoy8f8AjCxyPwCOFlAAFgBagk3X2Vjb3VucnNyAlk5CtgBCjAIuZYBEgQxNzgwGPLAASCBWiig_fwCMJP-_AI4WUAAWAFqCTdfZWNvdW5yc3ICWTkKNAjVggESAzQ3OBiBWiCDaSjL__wCMLKA_QI4WUAAWAFqCTdfZWNvdW5yc3IIWUFBMEFERVkKNgjVggESBDE1ODcYg2kgwZMBKI2B_QIw94L9AjhZQABYAWoJN19lY291bnJzcghZQUEwQURFWQo2CNWCARIEODEyMxjBkwEgmF0o1oX9AjCrhv0COFlAAFgBagk3X2Vjb3VucnNyCFlOQTBBMUxUEgoIARABGAEqAlVBGAEiBAgBEAEoAigDKAQwCw) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Wed, Nov 19 - Mon, Nov 24 YUL Montreal SDY Sidney CA $5,143 Roundtrip found 3 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YUL,to:SDY,departure:19/11/2025TANYT&leg2=from:SDY,to:YUL,departure:24/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:5142.87&airProductToken=AQqgAQo1CNWCARIEODUyMxiYXSCDaSjBw_0CMM_F_QI4WUAAWAFqCTdfZWNvdW5yc3IIWU5BMEExTFQKNQjVggESBDUzMzkYg2kggVoopMv9AjCOzP0COFlAAFgBagk3X2Vjb3VucnNyCFlBQTBBREVZCjAIuZYBEgQxNzc3GIFaIPLAASjJzP0CMK_N_QI4WUAAWAFqCTdfZWNvdW5yc3ICWTkK1gEKMAi5lgESBDE3NzgY8sABIIFaKIv4_QIw_vj9AjhZQABYAWoJN19lY291bnJzcgJZOQo1CNWCARIENDY4ORiBWiCDaSjJ-f0CMLb6_QI4WUAAWAFqCTdfZWNvdW5yc3IIWU5BMEExTFQKNAjVggESAzYxNxiDaSCuHCjp-v0CMIL8_QI4WUAAWAFqCTdfZWNvdW5yc3IIWU5BMEExTFQKNQjVggESBDM1NDIYrhwgmF0ou_z9AjDJ_f0COFlAAFgBagk3X2Vjb3VucnNyCFlOQTBBMUxUEgoIARABGAEqAlVBGAEiBAgBEAEoAigDKAQwCw) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Mon, Dec 1 - Sat, Dec 6 YUL Montreal SDY Sidney CA $5,161 Roundtrip found 4 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YUL,to:SDY,departure:01/12/2025TANYT&leg2=from:SDY,to:YUL,departure:06/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:5160.72&airProductToken=AQrXAQo1CNWCARIEODE4MhiYXSDLASigxv4CMP3G_gI4WUAAWAFqCTdfZWNvdW5yc3IIWU5BMEExTFQKNQjVggESBDIyMDAYywEgg2kohcj-AjCXyv4COFlAAFgBagk3X2Vjb3VucnNyCFlBQTBBREVZCjUI1YIBEgQ1NDk4GINpIIFaKNDK_gIwsMv-AjhZQABYAWoJN19lY291bnJzcghZQUEwQURFWQowCLmWARIEMTc4NRiBWiDywAEo5cv-AjDLzP4COFlAAFgBagk3X2Vjb3VucnNyAlk5CtcBCjAIuZYBEgQxNzg0GPLAASCBWijIgf8CMLuC_wI4WUAAWAFqCTdfZWNvdW5yc3ICWTkKNQjVggESBDQ3NTgYgVogg2kok4P_AjD_g_8COFlAAFgBagk3X2Vjb3VucnNyCFlOQTBBMUxUCjUI1YIBEgQxOTI0GINpIIgYKOOG_wIwqIj_AjhZQABYAWoJN19lY291bnJzcghZTkEwQTFMVAo1CNWCARIEODQ1ORiIGCCYXSi1iv8CMKaL_wI4WUAAWAFqCTdfZWNvdW5yc3IIWU5BMEExTFQSCggBEAEYASoCVUEYASIECAEQASgCKAMoBDAL) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Tue, Nov 18 - Sun, Nov 23 YUL Montreal SDY Sidney CA $5,213 Roundtrip found 3 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YUL,to:SDY,departure:18/11/2025TANYT&leg2=from:SDY,to:YUL,departure:23/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:5212.17&airProductToken=AQrXAQo1CNWCARIEMzU5MBiYXSCIGCi3tP0CMLe1_QI4WUAAWAFqCTdfZWNvdW5yc3IIWU5BMEExTFQKNQjVggESBDE1ODcYiBggg2kohLb9AjD7t_0COFlAAFgBagk3X2Vjb3VucnNyCFlOQTBBMUxUCjUI1YIBEgQ1NDk4GINpIIFaKLC4_QIwkLn9AjhZQABYAWoJN19lY291bnJzcghZTkEwQTFMVAowCLmWARIEMTc4NRiBWiDywAEoxbn9AjCruv0COFlAAFgBagk3X2Vjb3VucnNyAlk5CtgBCjAIuZYBEgQxNzgwGPLAASCBWijg7f0CMNPu_QI4WUAAWAFqCTdfZWNvdW5yc3ICWTkKNAjVggESAzQ3OBiBWiCDaSiL8P0CMPLw_QI4WUAAWAFqCTdfZWNvdW5yc3IIWUFBMEFERVkKNgjVggESBDE1ODcYg2kgwZMBKM3x_QIwt_P9AjhZQABYAWoJN19lY291bnJzcghZQUEwQURFWQo2CNWCARIEODEyMxjBkwEgmF0olvb9AjDr9v0COFlAAFgBagk3X2Vjb3VucnNyCFlOQTBBMUxUEgoIARABGAEqAlVBGAEiBAgBEAEoAigDKAQwCw) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Mon, Dec 1 - Sat, Dec 6 YUL Montreal SDY Sidney CA $5,280 Roundtrip found 4 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YUL,to:SDY,departure:01/12/2025TANYT&leg2=from:SDY,to:YUL,departure:06/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:5279.37&airProductToken=AQrYAQo2CNWCARIEODQxNhiYXSDBkwEokcb-AjDoxv4COFlAAFgBagk3X2Vjb3VucnNyCFlOQTBBMUxUCjUI1YIBEgM0MTQYwZMBIINpKO3H_gIwjcr-AjhZQABYAWoJN19lY291bnJzcghZQUEwQURFWQo1CNWCARIENTQ5OBiDaSCBWijQyv4CMLDL_gI4WUAAWAFqCTdfZWNvdW5yc3IIWUFBMEFERVkKMAi5lgESBDE3ODUYgVog8sABKOXL_gIwy8z-AjhZQABYAWoJN19lY291bnJzcgJZOQrWAQowCLmWARIEMTc4NBjywAEggVooyIH_AjC7gv8COFlAAFgBagk3X2Vjb3VucnNyAlk5CjUI1YIBEgQ0NzU4GIFaIINpKJOD_wIw_4P_AjhZQABYAWoJN19lY291bnJzcghZTkEwQTFMVAo0CNWCARIDMzc3GINpIK4cKJKF_wIwp4b_AjhZQABYAWoJN19lY291bnJzcghZTkEwQTFMVAo1CNWCARIEODQ1MhiuHCCYXSjRif8CMM6K_wI4WUAAWAFqCTdfZWNvdW5yc3IIWU5BMEExTFQSCggBEAEYASoCVUEYASIECAEQASgCKAMoBDAL) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Tue, Dec 9 - Sun, Dec 14 YUL Montreal SDY Sidney CA $5,526 Roundtrip found 4 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YUL,to:SDY,departure:09/12/2025TANYT&leg2=from:SDY,to:YUL,departure:14/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:5525.07&airProductToken=AQrXAQo1CNWCARIENjYxOBiYXSDvWSjCov8CMKaj_wI4WUAAWAFqCTdfZWNvdW5yc3IIWU5BMEExTFQKNQjVggESBDE5NDMY71kgg2ko06P_AjDXpf8COFlAAFgBagk3X2Vjb3VucnNyCFlBQTBBREVZCjUI1YIBEgQxNDE3GINpIIFaKMWm_wIwpaf_AjhZQABYAWoJN19lY291bnJzcghZQUEwQURFWQowCLmWARIEMTc3NRiBWiDywAEogaz_AjDnrP8COFlAAFgBagk3X2Vjb3VucnNyAlk5CtYBCjAIuZYBEgQxNzc4GPLAASCBWiiL2f8CMP7Z_wI4WUAAWAFqCTdfZWNvdW5yc3ICWTkKNQjVggESBDQ3MjgYgVogg2ko0tr_AjC92_8COFlAAFgBagk3X2Vjb3VucnNyCFlOQTBBMUxUCjQI1YIBEgM2MTcYg2kgrhwo6dv_AjCC3f8COFlAAFgBagk3X2Vjb3VucnNyCFlOQTBBMUxUCjUI1YIBEgQzNTQyGK4cIJhdKLvd_wIwyd7_AjhZQABYAWoJN19lY291bnJzcghZTkEwQTFMVBIKCAEQARgBKgJVQRgBIgQIARABKAIoAygEMAs) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Fri, Dec 12 - Wed, Dec 17 YUL Montreal SDY Sidney CA $6,373 Roundtrip found 4 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YUL,to:SDY,departure:12/12/2025TANYT&leg2=from:SDY,to:YUL,departure:17/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:6372.42&airProductToken=AQrXAQo1CNWCARIEODE4MhiYXSDLASiAwv8CMN3C_wI4WUAAWAFqCTdfZWNvdW5yc3IIWU5BMEExTFQKNQjVggESBDIyMDAYywEgg2ko68P_AjD9xf8COFlAAFgBagk3X2Vjb3VucnNyCFlBQTBBREVZCjUI1YIBEgQ1NDk4GINpIIFaKKvG_wIwjcf_AjhZQABYAWoJN19lY291bnJzcghZQUEwQURFWQowCLmWARIEMTc4NRiBWiDywAEoxcf_AjCryP8COFlAAFgBagk3X2Vjb3VucnNyAlk5CtYBCjAIuZYBEgQxNzgwGPLAASCBWijg-_8CMNP8_wI4WUAAWAFqCTdfZWNvdW5yc3ICWTkKNAjVggESAzQ3OBiBWiCDaSiU_v8CMPr-_wI4WUAAWAFqCTdfZWNvdW5yc3IIWUFBMEFERVkKNQjVggESBDEzMzMYg2kgywEozf__AjCugYADOFlAAFgBagk3X2Vjb3VucnNyCFlBQTBBREVZCjUI1YIBEgQ4NDMxGMsBIJhdKLmEgAMwkIWAAzhZQABYAWoJN19lY291bnJzcghZTkEwQTFMVBIKCAEQARgBKgJVQRgBIgQIARABKAIoAygEMAs) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Mon, Nov 17 - Sat, Nov 22 YUL Montreal SDY Sidney CA $6,481 Roundtrip found 3 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YUL,to:SDY,departure:17/11/2025TANYT&leg2=from:SDY,to:YUL,departure:22/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:6480.57&airProductToken=AQrXAQo1CNWCARIEODE4MhiYXSDLASjgqP0CML2p_QI4WUAAWAFqCTdfZWNvdW5yc3IIWU5BMEExTFQKNQjVggESBDIyMDAYywEgg2koxar9AjDXrP0COFlAAFgBagk3X2Vjb3VucnNyCFlBQTBBREVZCjUI1YIBEgQ1NDk4GINpIIFaKJCt_QIw8K39AjhZQABYAWoJN19lY291bnJzcghZQUEwQURFWQowCLmWARIEMTc4NRiBWiDywAEopa79AjCLr_0COFlAAFgBagk3X2Vjb3VucnNyAlk5CtYBCjAIuZYBEgQxNzgwGPLAASCBWijA4v0CMLPj_QI4WUAAWAFqCTdfZWNvdW5yc3ICWTkKNAjVggESAzQ3OBiBWiCDaSjr5P0CMNLl_QI4WUAAWAFqCTdfZWNvdW5yc3IIWUFBMEFERVkKNQjVggESBDEyNDYYg2kgywEoreb9AjCO6P0COFlAAFgBagk3X2Vjb3VucnNyCFlBQTBBREVZCjUI1YIBEgQ4NDMxGMsBIJhdKJnr_QIw8Ov9AjhZQABYAWoJN19lY291bnJzcghZTkEwQTFMVBIKCAEQARgBKgJVQRgBIgQIARABKAIoAygEMAs) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Wed, Nov 19 - Mon, Nov 24 YUL Montreal SDY Sidney CA $6,492 Roundtrip found 3 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YUL,to:SDY,departure:19/11/2025TANYT&leg2=from:SDY,to:YUL,departure:24/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:6491.07&airProductToken=AQrXAQo1CNWCARIEODE4MhiYXSDLASigv_0CMP2__QI4WUAAWAFqCTdfZWNvdW5yc3IIWU5BMEExTFQKNQjVggESBDIyMDAYywEgg2kohcH9AjCXw_0COFlAAFgBagk3X2Vjb3VucnNyCFlBQTBBREVZCjUI1YIBEgQ1NDk4GINpIIFaKNDD_QIwsMT9AjhZQABYAWoJN19lY291bnJzcghZQUEwQURFWQowCLmWARIEMTc4NRiBWiDywAEo5cT9AjDLxf0COFlAAFgBagk3X2Vjb3VucnNyAlk5CtgBCjAIuZYBEgQxNzgwGPLAASCBWiiA-f0CMPP5_QI4WUAAWAFqCTdfZWNvdW5yc3ICWTkKNAjVggESAzQ3OBiBWiCDaSir-_0CMJL8_QI4WUAAWAFqCTdfZWNvdW5yc3IIWUFBMEFERVkKNgjVggESBDE1ODcYg2kgwZMBKO38_QIw1_79AjhZQABYAWoJN19lY291bnJzcghZQUEwQURFWQo2CNWCARIEODEyMxjBkwEgmF0otoH-AjCLgv4COFlAAFgBagk3X2Vjb3VucnNyCFlOQTBBMUxUEgoIARABGAEqAlVBGAEiBAgBEAEoAigDKAQwCw) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Sat, Nov 8 - Thu, Nov 13 YUL Montreal SDY Sidney CA $6,492 Roundtrip found 6 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YUL,to:SDY,departure:08/11/2025TANYT&leg2=from:SDY,to:YUL,departure:13/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:6491.57&airProductToken=AQrXAQo1CNWCARIEODE4MhiYXSDLASjAw_wCMJ3E_AI4WUAAWAFqCTdfZWNvdW5yc3IIWU5BMEExTFQKNQjVggESBDIyMDAYywEgg2kopcX8AjC3x_wCOFlAAFgBagk3X2Vjb3VucnNyCFlBQTBBREVZCjUI1YIBEgQ1NDk4GINpIIFaKPDH_AIw0sj8AjhZQABYAWoJN19lY291bnJzcghZQUEwQURFWQowCLmWARIEMTc4NRiBWiDywAEohcn8AjDryfwCOFlAAFgBagk3X2Vjb3VucnNyAlk5CtgBCjAIuZYBEgQxNzgwGPLAASCBWiig_fwCMJP-_AI4WUAAWAFqCTdfZWNvdW5yc3ICWTkKNAjVggESAzQ3OBiBWiCDaSjL__wCMLKA_QI4WUAAWAFqCTdfZWNvdW5yc3IIWUFBMEFERVkKNgjVggESBDE1ODcYg2kgwZMBKI2B_QIw94L9AjhZQABYAWoJN19lY291bnJzcghZQUEwQURFWQo2CNWCARIEODEyMxjBkwEgmF0o1oX9AjCrhv0COFlAAFgBagk3X2Vjb3VucnNyCFlOQTBBMUxUEgoIARABGAEqAlVBGAEiBAgBEAEoAigDKAQwCw) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Mon, Dec 1 - Sat, Dec 6 YUL Montreal SDY Sidney CA $6,548 Roundtrip found 4 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YUL,to:SDY,departure:01/12/2025TANYT&leg2=from:SDY,to:YUL,departure:06/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:6547.77&airProductToken=AQrXAQo1CNWCARIEODE4MhiYXSDLASigxv4CMP3G_gI4WUAAWAFqCTdfZWNvdW5yc3IIWU5BMEExTFQKNQjVggESBDIyMDAYywEgg2kohcj-AjCXyv4COFlAAFgBagk3X2Vjb3VucnNyCFlBQTBBREVZCjUI1YIBEgQ1NDk4GINpIIFaKNDK_gIwsMv-AjhZQABYAWoJN19lY291bnJzcghZQUEwQURFWQowCLmWARIEMTc4NRiBWiDywAEo5cv-AjDLzP4COFlAAFgBagk3X2Vjb3VucnNyAlk5CtYBCjAIuZYBEgQxNzgwGPLAASCBWiiAgP8CMPOA_wI4WUAAWAFqCTdfZWNvdW5yc3ICWTkKNAjVggESAzQ3OBiBWiCDaSi0gv8CMJqD_wI4WUAAWAFqCTdfZWNvdW5yc3IIWUFBMEFERVkKNQjVggESBDEzMzMYg2kgywEo7YP_AjDOhf8COFlAAFgBagk3X2Vjb3VucnNyCFlBQTBBREVZCjUI1YIBEgQ4NDMxGMsBIJhdKNmI_wIwsIn_AjhZQABYAWoJN19lY291bnJzcghZTkEwQTFMVBIKCAEQARgBKgJVQRgBIgQIARABKAIoAygEMAs) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Tue, Nov 18 - Sun, Nov 23 YUL Montreal SDY Sidney CA $6,600 Roundtrip found 3 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YUL,to:SDY,departure:18/11/2025TANYT&leg2=from:SDY,to:YUL,departure:23/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:6599.22&airProductToken=AQrXAQo1CNWCARIEODE4MhiYXSDLASiAtP0CMN20_QI4WUAAWAFqCTdfZWNvdW5yc3IIWU5BMEExTFQKNQjVggESBDIyMDAYywEgg2ko5bX9AjD3t_0COFlAAFgBagk3X2Vjb3VucnNyCFlBQTBBREVZCjUI1YIBEgQ1NDk4GINpIIFaKLC4_QIwkLn9AjhZQABYAWoJN19lY291bnJzcghZQUEwQURFWQowCLmWARIEMTc4NRiBWiDywAEoxbn9AjCruv0COFlAAFgBagk3X2Vjb3VucnNyAlk5CtgBCjAIuZYBEgQxNzgwGPLAASCBWijg7f0CMNPu_QI4WUAAWAFqCTdfZWNvdW5yc3ICWTkKNAjVggESAzQ3OBiBWiCDaSiL8P0CMPLw_QI4WUAAWAFqCTdfZWNvdW5yc3IIWUFBMEFERVkKNgjVggESBDE1ODcYg2kgwZMBKM3x_QIwt_P9AjhZQABYAWoJN19lY291bnJzcghZQUEwQURFWQo2CNWCARIEODEyMxjBkwEgmF0olvb9AjDr9v0COFlAAFgBagk3X2Vjb3VucnNyCFlOQTBBMUxUEgoIARABGAEqAlVBGAEiBAgBEAEoAigDKAQwCw) Flight from Montreal to Sidney (YUL - SDY) route information | Origin airport | Pierre Elliott Trudeau Intl. | | --- | --- | | Destination airport | Sidney-Richland Municipal | | Roundtrip price | CA $3,597 | | Distance | 2310 km | ## Montreal to Sidney Flights **The easy way to book your flights from Montreal to Sidney**  With Expedia, it’s simple to find and book flights to Sidney from Montreal whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Sidney-Richland Municipal, too.   Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Montreal to Sidney today, tomorrow, or this week.   **Save dollars with cheap flights from Pierre Elliott Trudeau Intl., YUL to Sidney-Richland Municipal, SDY**  Sort your search results by price to find great deals on your flight from Montreal to Sidney—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Sidney from Montreal currently is just CA $3,598 rising to CA $6,600.   Here are more money-saving tips:  - Fly in November when flight prices are normally at their lowest  - Book about a month to 6 weeks before you travel for the best prices to Sidney   - Avoid peak season and weekends when flights can cost more - Early morning and late-night flights are sometimes cheaper, so try varying your travel times  - One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free!  **Reasons to choose Expedia for your flight to Sidney from Montreal**  Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Sidney with Expedia today. ## Frequently asked questions ### How much is a flight from Montreal Airport to Sidney-Richland Airport? > Round-trip journeys from YUL to Sidney-Richland Airport start from CA $3,598. This figure is based on fares offered within the last 7 days on Expedia for flights departing within the next year — book now to avoid missing out. Prices and availability are subject to change. Additional terms apply. ### Do I need to pay a cancellation fee if I cancel my flight from Montréal–Trudeau to Sidney-Richland Airport? > We understand that things come up unexpectedly, so we've made it as easy as possible for you to cancel your flight online. Just visit the [Customer Service Portal](https://www.expedia.ca/helpcenter) and follow the instructions. ### How do I find cheap flights from YUL to Sidney-Richland Municipal Airport (SDY) that have flexible change policies? > Select our "No change fees" filter to find flexible ticketing options for your flight from YUL to Sidney-Richland Municipal Airport (SDY). This allows you to snag a low rate in advance and still have the freedom to reschedule without any extra fees. If the new flight costs more, you'll just cover the difference. ### How far is the flight from Montréal–Trudeau to SDY? > You'll be up above the clouds for a while, as the flight distance between Dorval and Sidney is 2,300 kilometres. Create a playlist of your favourite tunes before you leave home to keep yourself entertained during your flight. ### Which airlines fly direct from Pierre Elliott Trudeau Intl. Airport (YUL) to SDY? > Right now, no airlines offer direct flights from Montreal Airport to Sidney-Richland Municipal Airport (SDY). You'll have to book a flight with one or more stops. To score the best price and connections, lock in your fare ahead of time. ### Are Montréal–Trudeau to SDY flight tickets cheaper when they're purchased at the last minute? > Flight prices are always on the move, so not always. While last-minute deals between YUL and Sidney-Richland Municipal Airport (SDY) are possible, it's also a good idea to monitor prices well before you fly. In fact, some carriers publicize their prices up to a year before the departure date. Expedia is continuously updating the biggest bargains around, so keep checking back and be ready to lock in your seat when the price dips. ## Explore a world of travel with Expedia - Lodging - Flights - Packages - Cars - Vacation Rental ### Lodging - [Cheap Hotels in Bainville](https://www.expedia.ca/Bainville-Hotels-Cheap-Hotels.0-0-d553248634983234106-tCheapHotels.Travel-Guide-Filter-Hotels) - [Bainville Hotels](https://www.expedia.ca/Bainville-Hotels.d553248634983234106.Travel-Guide-Hotels) - [Brockton Hotels](https://www.expedia.ca/Brockton-Hotels.d553248634983084735.Travel-Guide-Hotels) - [Cottages in Crane](https://www.expedia.ca/Crane-Cottages.d553248635975871381-aaCottages.Travel-Guide-Accommodation) - [Crane Hotels](https://www.expedia.ca/Crane-Hotels.d553248635975871381.Travel-Guide-Hotels) - [Cheap Hotels in Culbertson](https://www.expedia.ca/Culbertson-Hotels-Cheap-Hotels.0-0-d3000445765-tCheapHotels.Travel-Guide-Filter-Hotels) - [Culbertson Hotels](https://www.expedia.ca/Culbertson-Hotels.d3000445765.Travel-Guide-Hotels) - [Motels in Culbertson](https://www.expedia.ca/Culbertson-Motels.d3000445765-aaMotels.Travel-Guide-Accommodation) - [Cheap Hotels in Fairview](https://www.expedia.ca/Fairview-Hotels-Cheap-Hotels.0-0-d6350094-tCheapHotels.Travel-Guide-Filter-Hotels) - [Luxury Hotels in Fairview](https://www.expedia.ca/Fairview-Hotels-Luxury-Hotel.0-0-d6350094-tLuxuryHotel.Travel-Guide-Filter-Hotels) - [Fairview Hotels](https://www.expedia.ca/Fairview-Hotels.d6350094.Travel-Guide-Hotels) - [Lodges in Fairview](https://www.expedia.ca/Fairview-Lodges.d6350094-aaLodges.Travel-Guide-Accommodation) - [Motels in Fairview](https://www.expedia.ca/Fairview-Motels.d6350094-aaMotels.Travel-Guide-Accommodation) - [Fox Lake Hotels](https://www.expedia.ca/Fox-Lake-Hotels.d553248634983103166.Travel-Guide-Hotels) - [Aparthotels in Glendive](https://www.expedia.ca/Glendive-Apart-Hotels.d6139263-aaApartHotels.Travel-Guide-Accommodation) - [Apartments in Glendive](https://www.expedia.ca/Glendive-Apartments.d6139263-aaApartments.Travel-Guide-Accommodation) - [B&B in Glendive](https://www.expedia.ca/Glendive-Bed-And-Breakfast.d6139263-aaBedAndBreakfast.Travel-Guide-Accommodation) - [Hotels near Glendive Dinosaur and Fossil Museum](https://www.expedia.ca/Glendive-Dinosaur-And-Fossil-Museum-Hotels.0-l6322910-0.Travel-Guide-Filter-Hotels) - [Cheap Hotels in Glendive](https://www.expedia.ca/Glendive-Hotels-Cheap-Hotels.0-0-d6139263-tCheapHotels.Travel-Guide-Filter-Hotels) - [Hotels with a Pool in Glendive](https://www.expedia.ca/Glendive-Hotels-Hotel-With-Pool.0-0-d6139263-tHotelwithPool.Travel-Guide-Filter-Hotels) - [Hotels with Free Breakfast in Glendive](https://www.expedia.ca/Glendive-Hotels-Hotels-With-Free-Breakfast.0-0-d6139263-tHotelswithFreeBreakfast.Travel-Guide-Filter-Hotels) - [Hotels with an Indoor Pool in Glendive](https://www.expedia.ca/Glendive-Hotels-Hotels-With-Indoor-Pool.0-0-d6139263-tHotelswithIndoorPool.Travel-Guide-Filter-Hotels) - [Luxury Hotels in Glendive](https://www.expedia.ca/Glendive-Hotels-Luxury-Hotel.0-0-d6139263-tLuxuryHotel.Travel-Guide-Filter-Hotels) - [Pet-Friendly Hotels in Glendive](https://www.expedia.ca/Glendive-Hotels-Pet-Friendly-Hotel.0-0-d6139263-tPetfriendlyHotel.Travel-Guide-Filter-Hotels) - [Glendive Hotels](https://www.expedia.ca/Glendive-Hotels.d6139263.Travel-Guide-Hotels) - [Inns in Glendive](https://www.expedia.ca/Glendive-Inns.d6139263-aaInns.Travel-Guide-Accommodation) - [Motels in Glendive](https://www.expedia.ca/Glendive-Motels.d6139263-aaMotels.Travel-Guide-Accommodation) - [Lambert Hotels](https://www.expedia.ca/Lambert-Hotels.d770577950002597888.Travel-Guide-Hotels) - [Hotels near Makoshika State Park](https://www.expedia.ca/Makoshika-State-Park-Hotels.0-l6322897-0.Travel-Guide-Filter-Hotels) - [Richey Hotels](https://www.expedia.ca/Richey-Hotels.d553248634983167707.Travel-Guide-Hotels) - [Hotels near Richland County Fair Event Center and Fairgrounds](https://www.expedia.ca/Richland-County-Fair-Event-Center-And-Fairgrounds-Hotels.0-l553248621560799347-0.Travel-Guide-Filter-Hotels) - [Savage Hotels](https://www.expedia.ca/Savage-Hotels.d770577770607169536.Travel-Guide-Hotels) - [Vacation Homes in Savage](https://www.expedia.ca/Savage-Private-Vacation-Homes.d770577770607169536-aaPrivateVacationHomes.Travel-Guide-Accommodation) - [Aparthotels in Sidney](https://www.expedia.ca/Sidney-Apart-Hotels.d3119-aaApartHotels.Travel-Guide-Accommodation) - [Guest Houses in Sidney](https://www.expedia.ca/Sidney-Guest-Houses.d3119-aaGuestHouses.Travel-Guide-Accommodation) - [Hotels near Sidney Health Center](https://www.expedia.ca/Sidney-Health-Center-Hotels.0-l553248621560799346-0.Travel-Guide-Filter-Hotels) - [Cheap Hotels in Sidney](https://www.expedia.ca/Sidney-Hotels-Cheap-Hotels.0-0-d3119-tCheapHotels.Travel-Guide-Filter-Hotels) - [Family Hotels in Sidney](https://www.expedia.ca/Sidney-Hotels-Family-Hotel.0-0-d3119-tFamilyHotel.Travel-Guide-Filter-Hotels) - [Hotels with a Pool in Sidney](https://www.expedia.ca/Sidney-Hotels-Hotel-With-Pool.0-0-d3119-tHotelwithPool.Travel-Guide-Filter-Hotels) - [Hotels with Wifi in Sidney](https://www.expedia.ca/Sidney-Hotels-Hotel-With-Wifi.0-0-d3119-tHotelwithwifi.Travel-Guide-Filter-Hotels) - [Hotels with Free Airport Shuttle in Sidney](https://www.expedia.ca/Sidney-Hotels-Hotels-With-Free-Airport-Shuttle.0-0-d3119-tHotelswithFreeAirportShuttle.Travel-Guide-Filter-Hotels) - [Hotels with Free Breakfast in Sidney](https://www.expedia.ca/Sidney-Hotels-Hotels-With-Free-Breakfast.0-0-d3119-tHotelswithFreeBreakfast.Travel-Guide-Filter-Hotels) - [Hotels with Free Parking in Sidney](https://www.expedia.ca/Sidney-Hotels-Hotels-With-Free-Parking.0-0-d3119-tHotelswithFreeParking.Travel-Guide-Filter-Hotels) - [Hotels with Hot Tubs in Sidney](https://www.expedia.ca/Sidney-Hotels-Hotels-With-Hot-Tubs.0-0-d3119-tHotelsWithHotTubs.Travel-Guide-Filter-Hotels) - [Hotels with an Indoor Pool in Sidney](https://www.expedia.ca/Sidney-Hotels-Hotels-With-Indoor-Pool.0-0-d3119-tHotelswithIndoorPool.Travel-Guide-Filter-Hotels) - [Hotels with Kitchenettes in Sidney](https://www.expedia.ca/Sidney-Hotels-Hotels-With-Kitchenettes.0-0-d3119-tHotelswithKitchenettes.Travel-Guide-Filter-Hotels) - [Hotels with smoking rooms in Sidney](https://www.expedia.ca/Sidney-Hotels-Hotels-With-Smoking-Rooms.0-0-d3119-tHotelswithsmokingrooms.Travel-Guide-Filter-Hotels) - [Luxury Hotels in Sidney](https://www.expedia.ca/Sidney-Hotels-Luxury-Hotel.0-0-d3119-tLuxuryHotel.Travel-Guide-Filter-Hotels) - [Pet-Friendly Hotels in Sidney](https://www.expedia.ca/Sidney-Hotels-Pet-Friendly-Hotel.0-0-d3119-tPetfriendlyHotel.Travel-Guide-Filter-Hotels) - [Romantic Hotels in Sidney](https://www.expedia.ca/Sidney-Hotels-Romantic-Hotel.0-0-d3119-tRomanticHotel.Travel-Guide-Filter-Hotels) - [Spa Hotels in Sidney](https://www.expedia.ca/Sidney-Hotels-Spa-Hotel.0-0-d3119-tSpaHotel.Travel-Guide-Filter-Hotels) - [Sidney Hotels](https://www.expedia.ca/Sidney-Hotels.d3119.Travel-Guide-Hotels) - [Motels in Sidney](https://www.expedia.ca/Sidney-Motels.d3119-aaMotels.Travel-Guide-Accommodation) - [Cheap Hotels in Wibaux](https://www.expedia.ca/Wibaux-Hotels-Cheap-Hotels.0-0-d602754-tCheapHotels.Travel-Guide-Filter-Hotels) - [Hotels with Free Breakfast in Wibaux](https://www.expedia.ca/Wibaux-Hotels-Hotels-With-Free-Breakfast.0-0-d602754-tHotelswithFreeBreakfast.Travel-Guide-Filter-Hotels) - [Luxury Hotels in Wibaux](https://www.expedia.ca/Wibaux-Hotels-Luxury-Hotel.0-0-d602754-tLuxuryHotel.Travel-Guide-Filter-Hotels) - [Wibaux Hotels](https://www.expedia.ca/Wibaux-Hotels.d602754.Travel-Guide-Hotels) ### Flights - [Flights to Glendive](https://www.expedia.ca/Cheap-Flights-To-Glendive.d6139263.Travel-Guide-Flights) - [Flights from Culbertson](https://www.expedia.ca/lp/flights/3000445765/flights-from-culbertson) - [Flights from Crane](https://www.expedia.ca/lp/flights/553248635975871381/flights-from-crane) - [Flights from Glendive](https://www.expedia.ca/lp/flights/6139263/flights-from-glendive) - [Flights from Fairview](https://www.expedia.ca/lp/flights/6350094/flights-from-fairview) - [Flights from Bellingham (BLI) to Glasgow (GGW)](https://www.expedia.ca/lp/flights/bli/ggw/bellingham-to-glasgow) - [Flights from Brisbane (BNE) to Glasgow (GGW)](https://www.expedia.ca/lp/flights/bne/ggw/brisbane-to-glasgow) - [Flights from Buffalo (BUF) to Glasgow (GGW)](https://www.expedia.ca/lp/flights/buf/ggw/buffalo-to-glasgow) - [Flights from Burbank (BUR) to Glasgow (GGW)](https://www.expedia.ca/lp/flights/bur/ggw/burbank-to-glasgow) - [Flights from Eugene (EUG) to Glendive (GDV)](https://www.expedia.ca/lp/flights/eug/gdv/eugene-to-glendive) - [Flights from Sioux Falls (FSD) to Glendive (GDV)](https://www.expedia.ca/lp/flights/fsd/gdv/sioux-falls-to-glendive) - [Flights from George Town (GGT) to Glasgow (GGW)](https://www.expedia.ca/lp/flights/ggt/ggw/george-town-to-glasgow) - [Flights from Helena (HLN) to Glendive (GDV)](https://www.expedia.ca/lp/flights/hln/gdv/helena-to-glendive) - [Flights from Honolulu (HNL) to Glasgow (GGW)](https://www.expedia.ca/lp/flights/hnl/ggw/honolulu-to-glasgow) - [Flights from Hays (HYS) to Glasgow (GGW)](https://www.expedia.ca/lp/flights/hys/ggw/hays-to-glasgow) - [Flights from Jamestown (JMS) to Glendive (GDV)](https://www.expedia.ca/lp/flights/jms/gdv/jamestown-to-glendive) - [Flights from Manchester (MAN) to Glasgow (GGW)](https://www.expedia.ca/lp/flights/man/ggw/manchester-to-glasgow) - [Flights from Medford (MFR) to Glendive (GDV)](https://www.expedia.ca/lp/flights/mfr/gdv/medford-to-glendive) - [Flights from Minot (MOT) to Glasgow (GGW)](https://www.expedia.ca/lp/flights/mot/ggw/minot-to-glasgow) - [Flights from Marseille (MRS) to Glasgow (GGW)](https://www.expedia.ca/lp/flights/mrs/ggw/marseille-to-glasgow) - [Flights from Wolf Point (OLF) to Glasgow (GGW)](https://www.expedia.ca/lp/flights/olf/ggw/wolf-point-to-glasgow) - [Flights from San Diego (SAN) to Glendive (GDV)](https://www.expedia.ca/lp/flights/san/gdv/san-diego-to-glendive) - [Flights from Syracuse (SYR) to Glasgow (GGW)](https://www.expedia.ca/lp/flights/syr/ggw/syracuse-to-glasgow) - [Flights from Edmonton (YEG) to Glasgow (GGW)](https://www.expedia.ca/lp/flights/yeg/ggw/edmonton-to-glasgow) - [Flights from Halifax (YHZ) to Glasgow (GGW)](https://www.expedia.ca/lp/flights/yhz/ggw/halifax-to-glasgow) - [Flights from Kamloops (YKA) to Glasgow (GGW)](https://www.expedia.ca/lp/flights/yka/ggw/kamloops-to-glasgow) - [Flights from Comox (YQQ) to Glasgow (GGW)](https://www.expedia.ca/lp/flights/yqq/ggw/comox-to-glasgow) - [Flights from Montreal (YUL) to Glasgow (GGW)](https://www.expedia.ca/lp/flights/yul/ggw/montreal-to-glasgow) - [Flights from Saskatoon (YXE) to Miles City (MLS)](https://www.expedia.ca/lp/flights/yxe/mls/saskatoon-to-miles-city) - [Flights from Prince George (YXS) to Glasgow (GGW)](https://www.expedia.ca/lp/flights/yxs/ggw/prince-george-to-glasgow) - [Flights from Calgary (YYC) to Glendive (GDV)](https://www.expedia.ca/lp/flights/yyc/gdv/calgary-to-glendive) - [Flights from Calgary (YYC) to Miles City (MLS)](https://www.expedia.ca/lp/flights/yyc/mls/calgary-to-miles-city) - [Flights from St. John's (YYT) to Glasgow (GGW)](https://www.expedia.ca/lp/flights/yyt/ggw/st-johns-to-glasgow) - [Flights from Toronto (YYZ) to Glendive (GDV)](https://www.expedia.ca/lp/flights/yyz/gdv/toronto-to-glendive) - [Flights from Toronto (YYZ) to Miles City (MLS)](https://www.expedia.ca/lp/flights/yyz/mls/toronto-to-miles-city) ### Packages - [Dawson County Fairgrounds](https://www.expedia.ca/Dawson-County-Fairgrounds-Glendive.d6322921.Vacation-Attraction) - [Hollecker Lake](https://www.expedia.ca/Hollecker-Lake-Glendive.d553248635030374874.Vacation-Attraction) - [Mondak Heritage Center](https://www.expedia.ca/MonDak-Heritage-Center-Sidney.d6310253.Vacation-Attraction) ### Cars - [Rental cars Dawson Community airport](https://www.expedia.ca/Car-Rentals-In-Dawson-Community.d6027957.Car-Rental-Guide) - [Car rental Glendive](https://www.expedia.ca/Car-Rentals-In-Glendive.d6139263.Car-Rental-Guide) - [Car rental Sidney](https://www.expedia.ca/Car-Rentals-In-Sidney.d3119.Car-Rental-Guide) ### Vacation Rental - [Culbertson Vacation Rentals](https://www.expedia.ca/Culbertson-Vacation-Rentals.d3000445765.Travel-Guide-VacationRentals) - [Glendive Vacation Rentals](https://www.expedia.ca/Glendive-Vacation-Rentals.d6139263.Travel-Guide-VacationRentals) \*Available to Expedia members.