Title: Cheap Flights from Ottawa (YOW) to Lewiston (LWS) - Expedia.ca ![On a calm December day captured this image of the Snake River Bridge from Clarkston, Washington.](https://images.trvl-media.com/place/2176/b29a0467-d151-4ff0-977e-cb671c139db7.jpg?impolicy=fcrop&w=1200&h=500&q=medium) Photo by Joe Kubitschek ![](https://images.trvl-media.com/place/2176/b29a0467-d151-4ff0-977e-cb671c139db7.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Flights from Ottawa (YOW) to Lewiston (LWS) - [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 Ottawa to Lewiston, ID (LWS-Nez Perce County Regional) - ![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:YOW,to:LWS,departure:30/01/2026TANYT&leg2=from:LWS,to:YOW,departure:06/02/2026TANYT&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:YOW,to:LWS,departure:30/01/2026TANYT&leg2=from:LWS,to:YOW,departure:06/02/2026TANYT&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:YOW,to:LWS,departure:30/01/2026TANYT&leg2=from:LWS,to:YOW,departure:06/02/2026TANYT&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:YOW,to:LWS,departure:30/01/2026TANYT&leg2=from:LWS,to:YOW,departure:06/02/2026TANYT&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:YOW,to:LWS,departure:30/01/2026TANYT&leg2=from:LWS,to:YOW,departure:06/02/2026TANYT&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:YOW,to:LWS,departure:30/01/2026TANYT&leg2=from:LWS,to:YOW,departure:06/02/2026TANYT&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:YOW,to:LWS,departure:30/01/2026TANYT&leg2=from:LWS,to:YOW,departure:06/02/2026TANYT&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 Ottawa (YOW) to Lewiston (LWS) Prices were available within the past 7 days and start at for one-way flights and CA $2,636 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ![WestJet](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/WS.gif) Tue, Mar 10 - Wed, Mar 11 YOW Ottawa LWS Lewiston CA $2,636 Roundtrip found 4 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YOW,to:LWS,departure:10/03/2026TANYT&leg2=from:LWS,to:YOW,departure:11/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:2635.04&airProductToken=AQpnCiAI16YBEgM2MTEY2LMBIJgWKLiehwMw0aCHAzhMQABYAQogCNemARIEMTU1MhiYFiCSASjtoocDMN-jhwM4TEABWAEKIQjEmAESBDM4NzMYkgEgy5UBKJ2nhwMw56eHAzhLQAFYAQpqCiEIxJgBEgQzODMzGMuVASDyEij-rYcDMN-uhwM4S0AAWAEKIQjEmAESBDIwMzgY8hIgxI0BKJawhwMwj7KHAzhLQAFYAQoiCNWCARIEMzU5MhjEjQEg2LMBKN63hwMwvLiHAzhZQAFYARIKCAEQARgBKgJXUxgBIgQIARABKAQwAQ) ![WestJet](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/WS.gif) Tue, Mar 10 - Fri, Mar 13 YOW Ottawa LWS Lewiston CA $2,650 Roundtrip found 4 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YOW,to:LWS,departure:10/03/2026TANYT&leg2=from:LWS,to:YOW,departure:13/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:2649.30&airProductToken=AQpnCiAI16YBEgM2MTEY2LMBIJgWKLiehwMw0aCHAzhMQABYAQogCNemARIEMTU1MhiYFiCSASjtoocDMN-jhwM4TEABWAEKIQjEmAESBDM4NzMYkgEgy5UBKJ2nhwMw56eHAzhLQAFYAQpnCiEIxJgBEgQzNzQ5GMuVASCSASjWwYcDMK3ChwM4S0AAWAEKHwjVggESAzc0NxiSASCuHCjzw4cDMOjFhwM4WUABWAEKIQjVggESBDM0MDIYrhwg2LMBKKjGhwMwrseHAzhZQAFYARIKCAEQARgBKgJXUxgBIgQIARABKAQwAQ) ![WestJet](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/WS.gif) Wed, Mar 11 - Tue, Mar 17 YOW Ottawa LWS Lewiston CA $2,836 Roundtrip found 4 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YOW,to:LWS,departure:11/03/2026TANYT&leg2=from:LWS,to:YOW,departure:17/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:2835.27&airProductToken=AQpnCiAI16YBEgM2MTcY2LMBIJgWKJmvhwMwrLGHAzhLQABYAQogCMSYARIENDA3MhiYFiDyEijAtocDMNO3hwM4TEABWAEKIQjEmAESBDM4MzMY8hIgy5UBKI24hwMw87iHAzhMQAFYAQpqCiEIxJgBEgQzODMzGMuVASDyEii-8YcDMJ_yhwM4S0AAWAEKIQjEmAESBDIwMzgY8hIgxI0BKNbzhwMwz_WHAzhLQAFYAQoiCNWCARIEMzU5MhjEjQEg2LMBKJ77hwMw_PuHAzhZQAFYARIKCAEQARgBKgJXUxgBIgQIARABKAQwAQ) ![WestJet](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/WS.gif) Wed, Mar 11 - Fri, Mar 13 YOW Ottawa LWS Lewiston CA $2,850 Roundtrip found 4 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YOW,to:LWS,departure:11/03/2026TANYT&leg2=from:LWS,to:YOW,departure:13/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:2849.53&airProductToken=AQpnCiAI16YBEgM2MTcY2LMBIJgWKJmvhwMwrLGHAzhLQABYAQogCMSYARIENDA3MhiYFiDyEijAtocDMNO3hwM4TEABWAEKIQjEmAESBDM4MzMY8hIgy5UBKI24hwMw87iHAzhMQAFYAQpnCiEIxJgBEgQzNzQ5GMuVASCSASjWwYcDMK3ChwM4S0AAWAEKHwjVggESAzc0NxiSASCuHCjzw4cDMOjFhwM4WUABWAEKIQjVggESBDM0MDIYrhwg2LMBKKjGhwMwrseHAzhZQAFYARIKCAEQARgBKgJXUxgBIgQIARABKAQwAQ) ![WestJet](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/WS.gif) Fri, Mar 13 - Sun, Mar 15 YOW Ottawa LWS Lewiston CA $2,870 Roundtrip found 4 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YOW,to:LWS,departure:13/03/2026TANYT&leg2=from:LWS,to:YOW,departure:15/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:2869.85&airProductToken=AQqeAQoxCNemARIDNjExGNizASCYFiiYwIcDMLHChwM4WEAAWAFqBUVDT05PcghYVFFEMFpFUwoxCNemARIEMTU1MhiYFiCSASjNxIcDML_FhwM4WEABWAFqBUVDT05PcghYVFFEMFpFUwo2CMSYARIEMzg3MxiSASDLlQEo_ciHAzDHyYcDOEtAAVgBaglNQUlOQ0xBU0NyCEtBVUdBME1RCqABCjYIxJgBEgQzNzQ5GMuVASCSASiW2IcDMO_YhwM4S0AAWAFqCU1BSU5DTEFTQ3IIS0FVR0EwTVEKMQjVggESAzc0NxiSASCuHCiz2ocDMKjchwM4WUABWAFqBkVDT1JFRnIIWU5BMEExTFQKMwjVggESBDM0MDIYrhwg2LMBKOjchwMw7t2HAzhZQAFYAWoGRUNPUkVGcghZTkEwQTFMVBIKCAEQARgBKgJVQRgBIgQIARABKAIoAygEMAE) ![WestJet](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/WS.gif) Thu, Mar 12 - Sat, Mar 14 YOW Ottawa LWS Lewiston CA $2,908 Roundtrip found 4 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YOW,to:LWS,departure:12/03/2026TANYT&leg2=from:LWS,to:YOW,departure:14/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:2907.29&airProductToken=AQpnCiAI16YBEgM2MTcY2LMBIJgWKLm6hwMwzLyHAzhLQABYAQogCMSYARIENDA3MhiYFiDyEijgwYcDMPPChwM4UUABWAEKIQjEmAESBDM4MzMY8hIgy5UBKK3DhwMwk8SHAzhRQAFYAQpnCiEIxJgBEgQzNzQ5GMuVASCSASj2zIcDMM3NhwM4S0AAWAEKHwjVggESAzc0NxiSASCuHCiTz4cDMIjRhwM4WUABWAEKIQjVggESBDM0MDIYrhwg2LMBKMjRhwMwztKHAzhZQAFYARIKCAEQARgBKgJXUxgBIgQIARABKAQwAQ) ![WestJet](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/WS.gif) Thu, Mar 12 - Fri, Mar 13 YOW Ottawa LWS Lewiston CA $2,949 Roundtrip found 4 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YOW,to:LWS,departure:12/03/2026TANYT&leg2=from:LWS,to:YOW,departure:13/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:2948.55&airProductToken=AQpnCiAI16YBEgM2MTEY2LMBIJgWKPi0hwMwkbeHAzhUQABYAQogCNemARIEMTU1MhiYFiCSASituYcDMJ-6hwM4VEABWAEKIQjEmAESBDM4NzMYkgEgy5UBKN29hwMwp76HAzhLQAFYAQpnCiEIxJgBEgQzNzQ5GMuVASCSASjWwYcDMK3ChwM4S0AAWAEKHwjVggESAzc0NxiSASCuHCjzw4cDMOjFhwM4WUABWAEKIQjVggESBDM0MDIYrhwg2LMBKKjGhwMwrseHAzhZQAFYARIKCAEQARgBKgJXUxgBIgQIARABKAQwAQ) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Fri, Mar 13 - Sat, Mar 14 YOW Ottawa LWS Lewiston CA $2,975 Roundtrip found 4 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YOW,to:LWS,departure:13/03/2026TANYT&leg2=from:LWS,to:YOW,departure:14/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:2974.80&airProductToken=AQpoCiEIxJgBEgQ2OTk3GNizASCYFiiYwIcDMLHChwM4VUAAWAEKIAjEmAESBDcxNjUYmBYgkgEozcSHAzC_xYcDOFVAAVgBCiEIxJgBEgQzODczGJIBIMuVASj9yIcDMMfJhwM4S0ABWAEKZwohCMSYARIEMzc0ORjLlQEgkgEo9syHAzDNzYcDOEtAAFgBCh8I1YIBEgM3NDcYkgEgrhwok8-HAzCI0YcDOFlAAVgBCiEI1YIBEgQzNDAyGK4cINizASjI0YcDMM7ShwM4WUABWAESCggBEAEYASoCREwYASIECAEQASgEMAE) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Sat, Mar 14 - Sun, Mar 15 YOW Ottawa LWS Lewiston CA $2,984 Roundtrip found 4 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YOW,to:LWS,departure:14/03/2026TANYT&leg2=from:LWS,to:YOW,departure:15/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:2983.20&airProductToken=AQpoCiEIxJgBEgQ2OTk3GNizASCYFii4y4cDMNHNhwM4TEAAWAEKIAjEmAESBDY5MTYYmBYgkgEo6M-HAzDr0IcDOExAAVgBCiEIxJgBEgQzODczGJIBIMuVASid1IcDMOfUhwM4S0ABWAEKZwohCMSYARIEMzc0ORjLlQEgkgEoltiHAzDv2IcDOEtAAFgBCh8I1YIBEgM3NDcYkgEgrhwos9qHAzCo3IcDOFlAAVgBCiEI1YIBEgQzNDAyGK4cINizASjo3IcDMO7dhwM4WUABWAESCggBEAEYASoCREwYASIECAEQASgEMAE) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Fri, Mar 13 - Tue, Mar 17 YOW Ottawa LWS Lewiston CA $3,544 Roundtrip found 4 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YOW,to:LWS,departure:13/03/2026TANYT&leg2=from:LWS,to:YOW,departure:17/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:3543.05&airProductToken=AQpqCiII1YIBEgQzNjkxGNizASDEjQEo48WHAzDOxocDOFlAAFgBCiEIxJgBEgQxMDA5GMSNASDyEij0y4cDMKzOhwM4S0ABWAEKIQjEmAESBDM4MzMY8hIgy5UBKM3OhwMws8-HAzhLQAFYAQpqCiEIxJgBEgQzODMzGMuVASDyEii-8YcDMJ_yhwM4S0AAWAEKIQjEmAESBDIwMzgY8hIgxI0BKNbzhwMwz_WHAzhLQAFYAQoiCNWCARIEMzU5MhjEjQEg2LMBKJ77hwMw_PuHAzhZQAFYARIKCAEQARgBKgJVQRgBIgQIARABKAQwAQ) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Fri, Mar 13 - Thu, Mar 19 YOW Ottawa LWS Lewiston CA $3,584 Roundtrip found 4 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YOW,to:LWS,departure:13/03/2026TANYT&leg2=from:LWS,to:YOW,departure:19/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:3583.73&airProductToken=AQpqCiII1YIBEgQzNjkxGNizASDEjQEo48WHAzDOxocDOFlAAFgBCiEIxJgBEgQxMDA5GMSNASDyEij0y4cDMKzOhwM4S0ABWAEKIQjEmAESBDM4MzMY8hIgy5UBKM3OhwMws8-HAzhLQAFYAQpqCiEIxJgBEgQzODMzGMuVASDyEij-h4gDMN-IiAM4S0AAWAEKIQjEmAESBDIwMzgY8hIgxI0BKJaKiAMwj4yIAzhLQAFYAQoiCNWCARIEMzU5MhjEjQEg2LMBKN6RiAMwvJKIAzhZQAFYARIKCAEQARgBKgJVQRgBIgQIARABKAQwAQ) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Wed, Mar 11 - Thu, Mar 12 YOW Ottawa LWS Lewiston CA $3,607 Roundtrip found 4 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YOW,to:LWS,departure:11/03/2026TANYT&leg2=from:LWS,to:YOW,departure:12/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:3606.83&airProductToken=AQpoCiEI1YIBEgQ0MTg4GNizASCuHCiOrIcDMKythwM4WUAAWAEKIAjVggESBDE4MDEYrhwgkgEogK-HAzCbsYcDOFlAAVgBCiEIxJgBEgQzODczGJIBIMuVASi9socDMIezhwM4S0ABWAEKZwohCMSYARIEMzc0ORjLlQEgkgEotraHAzCNt4cDOEtAAFgBCh8I1YIBEgM3NDcYkgEgrhwo07iHAzDIuocDOFlAAVgBCiEI1YIBEgQzNDAyGK4cINizASiIu4cDMI68hwM4WUABWAESCggBEAEYASoCVUEYASIECAEQASgEMAE) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Fri, Mar 13 - Sun, Mar 15 YOW Ottawa LWS Lewiston CA $3,782 Roundtrip found 4 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YOW,to:LWS,departure:13/03/2026TANYT&leg2=from:LWS,to:YOW,departure:15/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:3781.70&airProductToken=AQqtAQo-CNWCARIEODQ4NhjYswEgQyimwocDMJPDhwM4WUAAWAFqBkVDT1JFRnIIWUFBMEFGRVl6CgjBhgESBDg0ODYKMwjEmAESAzc4NhhDIJIBKJjFhwMw-MeHAzhLQAFYAWoJTUFJTkNMQVNDcghLQVVHQTBNUQo2CMSYARIEMzg3MxiSASDLlQEo_ciHAzDHyYcDOEtAAVgBaglNQUlOQ0xBU0NyCEtBVUdBME1RCqABCjYIxJgBEgQzNzQ5GMuVASCSASiW2IcDMO_YhwM4S0AAWAFqCU1BSU5DTEFTQ3IIS0FVR0EwTVEKMQjVggESAzc0NxiSASCuHCiz2ocDMKjchwM4WUABWAFqBkVDT1JFRnIIWU5BMEExTFQKMwjVggESBDM0MDIYrhwg2LMBKOjchwMw7t2HAzhZQAFYAWoGRUNPUkVGcghZTkEwQTFMVBIKCAEQARgBKgJVQRgBIgQIARABKAIoAygEMAE) ## Alternative airports near Lewiston Prices were available within the past 7 days. Prices and availability are subject to change. [](https://www.expedia.ca/Flights-Search?leg1=from:YOW,to:PUW,departure:30/01/2026TANYT&leg2=from:PUW,to:YOW,departure:28/02/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) PUW Pullman - Moscow Regional Cheapest 48 min [Flights from CA $1,115 ](https://www.expedia.ca/Flights-Search?leg1=from:YOW,to:PUW,departure:30/01/2026TANYT&leg2=from:PUW,to:YOW,departure:28/02/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) __Flight from Ottawa to Lewiston (YOW - LWS) route information__ | Origin airport | Macdonald-Cartier Intl. | | ------------------- | ------------------------- | | Destination airport | Nez Perce County Regional | | Roundtrip price | CA $2,635 | | Distance | 3149 km | ## Ottawa to Lewiston Flights **The easy way to book your flights from Ottawa to Lewiston** With Expedia, it’s simple to find and book flights to Lewiston from Ottawa whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 13 airlines that cover this route. There are nonstop flights to Nez Perce County Regional, 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 Ottawa to Lewiston today, tomorrow, or this week. **Save dollars with cheap flights from Macdonald-Cartier Intl., YOW to Nez Perce County Regional, LWS** Sort your search results by price to find great deals on your flight from Ottawa to Lewiston—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Lewiston from Ottawa currently is just CA $2,636 rising to CA $3,782\. Here are more money-saving tips: - Fly in March when flight prices are normally at their lowest - Book about a month to 6 weeks before you travel for the best prices to Lewiston - 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 Lewiston from Ottawa** 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 Lewiston with Expedia today. ## Frequently asked questions ### How much is a flight from Ottawa Intl. Airport to LWS? ### Do I need to pay a cancellation fee if I cancel my flight from Ottawa Intl. Airport to Lewiston Airport? ### How do I find cheap flights from Ottawa Intl. Airport to Nez Perce County Regional Airport (LWS) that have flexible change policies? ### How far is the flight from Ottawa Intl. Airport to Lewiston Airport? ### Which airlines fly direct from Ottawa International Airport to LWS? ### Are YOW to Nez Perce County Regional Airport (LWS) flight tickets cheaper when they're purchased at the last minute? ## Explore a world of travel with Expedia - Lodging - Flights - Packages - Cars - Vacation Rental - [Hotels near Clearwater River Casino ](https://www.expedia.ca/Clearwater-River-Casino-Hotels.0-l553248621532651385-0.Travel-Guide-Filter-Hotels) - [Hotels near Colter's Creek Winery ](https://www.expedia.ca/Colters-Creek-Winery-Hotels.0-l638882341556789248-0.Travel-Guide-Filter-Hotels) - [Hotels & Resorts for Couples in Nez Perce Reservation ](https://www.expedia.ca/Destinations-In-Nez-Perce-Reservation-Couples-Resorts-Hotels.0-0-d6348497-tCouplesResortsHotels.Hotel-Filter-Destinations) - [Pet-Friendly Hotels in Nez Perce Reservation ](https://www.expedia.ca/Destinations-In-Nez-Perce-Reservation-Pet-Friendly-Hotel.0-0-d6348497-tPetfriendlyHotel.Hotel-Filter-Destinations) - 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