Title: CA $1,384 Cheap Flights from Montreal (YUL) to Sion (SIR) - Expedia.ca ![Adobe](https://images.trvl-media.com/place/9869/40df6fea-c548-4064-9088-2549769f6f5f.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/9869/40df6fea-c548-4064-9088-2549769f6f5f.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # CA $1,384 Cheap Flights from Montreal (YUL) to Sion (SIR) [View CA $1,384 flight on Mon, Jun 1, 2026](https://expedia.ca/Flights-Search?trip=oneway&leg1=from:YUL,to:SIR,departure:01/06/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1383.91&airProductToken=AQqbAQoyCNWCARIEMzU4MxiYXSDEjQEo28aOAzC7x44DOFZAAFgBagUyX2Vjb3IIVktFMDhJTkMKMQjVggESAzk1NhjEjQEgpgUoysmOAzCqzY4DOFZAAFgBagUyX2Vjb3IIVktFMDhJTkMKMgi5hAESBDE0ODEYpgUgkooBKP_NjgMw-M6OAzhZQABYAWoFMl9lY29yCFZLRTA4SU5DEgoIARABGAEqAlVBGAEiBAgBEAEoAigDKAQwCw) ## Popular airlines from Trudeau International Airport (YUL) to Sion (SIR) - ![](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:SIR,departure:04/04/2026TANYT&leg2=from:SIR,to:YUL,departure:11/04/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AC"}}]) - ![](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:SIR,departure:04/04/2026TANYT&leg2=from:SIR,to:YUL,departure:11/04/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WS"}}]) - ![](https://a.travel-assets.com/air/airlines/f8_sq.svg) Flair Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:YUL,to:SIR,departure:04/04/2026TANYT&leg2=from:SIR,to:YUL,departure:11/04/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"F8"}}]) - ![](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:SIR,departure:04/04/2026TANYT&leg2=from:SIR,to:YUL,departure:11/04/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![](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:SIR,departure:04/04/2026TANYT&leg2=from:SIR,to:YUL,departure:11/04/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ![](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:SIR,departure:04/04/2026TANYT&leg2=from:SIR,to:YUL,departure:11/04/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![](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:SIR,departure:04/04/2026TANYT&leg2=from:SIR,to:YUL,departure:11/04/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"PD"}}]) - ![](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\* - ![](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\* - ![](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 Sion (SIR) Prices were available within the past 7 days and start at CA $1,384 for one-way flights and CA $2,236 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) Mon, Jun 1 - Tue, Jun 30 YUL Montreal SIR Sion CA $2,236 Roundtrip found 4 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YUL,to:SIR,departure:01/06/2026TANYT&leg2=from:SIR,to:YUL,departure:30/06/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:2235.91&airProductToken=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) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Mon, Jun 1 - Tue, Jun 30 YUL Montreal SIR Sion CA $2,286 Roundtrip found 4 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YUL,to:SIR,departure:01/06/2026TANYT&leg2=from:SIR,to:YUL,departure:30/06/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:2285.91&airProductToken=AQqlAQo9CNWCARIEODA4NhiYXSCIGCjBx44DMLfIjgM4VEAAWAFqBTJfZWNvcghUS1g3NUlOQ3oKCMGGARIEODA4NgowCNWCARIDNzQ4GIgYIKYFKMDJjgMwtM2OAzhUQABYAWoFMl9lY29yCFRLWDc1SU5DCjIIuYQBEgQxNDUxGKYFIJKKASiSzo4DMI_PjgM4WUAAWAFqBTJfZWNvcghUS1g3NUlOQwqZAQoyCLmEARIEMTQ3NhiSigEgpgUojoiRAzCJiZEDOFlAAFgBagUyX2Vjb3IIV0hYMzhJTkMKMAjVggESAzc0ORimBSCIGCj8iZEDMKeOkQM4V0AAWAFqBTJfZWNvcghXSFgzOElOQwoxCNWCARIEMzYwMhiIGCCYXSjuj5EDMPGQkQM4V0AAWAFqBTJfZWNvcghXSFgzOElOQxIKCAEQARgBKgJVQRgBIgQIARABKAIoAygEMAs) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Mon, Jun 1 - Tue, Jun 30 YUL Montreal SIR Sion CA $2,298 Roundtrip found 4 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YUL,to:SIR,departure:01/06/2026TANYT&leg2=from:SIR,to:YUL,departure:30/06/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:2297.21&airProductToken=AQqZAQoxCNWCARIEMzQxNBiYXSCIGCiMyI4DMIPJjgM4VEAAWAFqBTJfZWNvcghUS1g3NUlOQwowCNWCARIDNzQ4GIgYIKYFKMDJjgMwtM2OAzhUQABYAWoFMl9lY29yCFRLWDc1SU5DCjIIuYQBEgQxNDUxGKYFIJKKASiSzo4DMI_PjgM4WUAAWAFqBTJfZWNvcghUS1g3NUlOQwrNAQoyCLmEARIEMTQ3NhiSigEgpgUojoiRAzCJiZEDOFlAAFgBagUyX2Vjb3IIV0hYMzhJTkMKMAjVggESAzc0ORimBSCIGCj8iZEDMKeOkQM4V0AAWAFqBTJfZWNvcghXSFgzOElOQwoyCNWCARIEMzQ1MxiIGCCYzgEo24-RAzDGkJEDOFdAAFgBagUyX2Vjb3IIV0hYMzhJTkMKMQjBhgESAzQyNhiYzgEgmF0onpGRAzDukZEDOFdAAFgBagUyX2Vjb3IIV0hYMzhJTkMSCggBEAEYASoCVUEYASIECAEQASgCKAMoBDAL) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Mon, Jun 1 - Tue, Jun 30 YUL Montreal SIR Sion CA $2,366 Roundtrip found 4 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YUL,to:SIR,departure:01/06/2026TANYT&leg2=from:SIR,to:YUL,departure:30/06/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:2365.91&airProductToken=AQqZAQoxCNWCARIEMzQxNBiYXSCIGCiMyI4DMIPJjgM4VEAAWAFqBTJfZWNvcghUS1g3NUlOQwowCNWCARIDNzQ4GIgYIKYFKMDJjgMwtM2OAzhUQABYAWoFMl9lY29yCFRLWDc1SU5DCjIIuYQBEgQxNDU1GKYFIJKKASiKz44DMIfQjgM4WUAAWAFqBTJfZWNvcghUS1g3NUlOQwrOAQoyCLmEARIEMTQ3NhiSigEgpgUojoiRAzCJiZEDOFlAAFgBagUyX2Vjb3IIVkhYMDhJTkMKMAjVggESAzc0ORimBSCIGCj8iZEDMKeOkQM4VkAAWAFqBTJfZWNvcghWSFgwOElOQwoyCNWCARIEMTgzMRiIGCDEjQEo9o-RAzDOkJEDOFZAAFgBagUyX2Vjb3IIVkhYMDhJTkMKMgjVggESBDM2MTMYxI0BIJhdKJKRkQMw_pGRAzhWQABYAWoFMl9lY29yCFZIWDA4SU5DEgoIARABGAEqAlVBGAEiBAgBEAEoAigDKAQwCw) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Sun, Mar 22 - Sun, Mar 29 YUL Montreal SIR Sion CA $2,382 Roundtrip found 1 day ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YUL,to:SIR,departure:22/03/2026TANYT&leg2=from:SIR,to:YUL,departure:29/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:2381.71&airProductToken=AQqZAQoxCNWCARIEMzQxNBiYXSCIGCilqYgDMKWqiAM4V0AAWAFqBTJfZWNvcghXTFczOElOQwowCNWCARIDNzQ4GIgYIKYFKOCqiAMwz66IAzhXQABYAWoFMl9lY29yCFdMVzM4SU5DCjIIuYQBEgQxNDUzGKYFIJKKASiqsIgDMKexiAM4WUAAWAFqBTJfZWNvcghXTFczOElOQwqbAQoyCLmEARIEMTQ3MBiSigEgpgUon_iIAzCj-YgDOFlAAFgBagUyX2Vjb3IIVkxXMDhJTkMKMQjVggESAzk1NximBSDEjQEomP6IAzCvgokDOFZAAFgBagUyX2Vjb3IIVkxXMDhJTkMKMgjVggESBDM3MTUYxI0BIJhdKLSDiQMwmoSJAzhWQABYAWoFMl9lY29yCFZMVzA4SU5DEgoIARABGAEqAlVBGAEiBAgBEAEoAigDKAQwCw) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Mon, Jun 1 - Tue, Jun 30 YUL Montreal SIR Sion CA $2,486 Roundtrip found 4 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YUL,to:SIR,departure:01/06/2026TANYT&leg2=from:SIR,to:YUL,departure:30/06/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:2485.91&airProductToken=AQqlAQo1CNWCARIEMzQxNBiYXSCIGCiMyI4DMIPJjgM4VEAAWAFqCTZfZWNvZmxleHIIVEtYNzVJUkMKNAjVggESAzc0OBiIGCCmBSjAyY4DMLTNjgM4VEAAWAFqCTZfZWNvZmxleHIIVEtYNzVJUkMKNgi5hAESBDE0NTUYpgUgkooBKIrPjgMwh9COAzhZQABYAWoJNl9lY29mbGV4cghUS1g3NUlSQwroAQo2CLmEARIEMTQ3NhiSigEgpgUojoiRAzCJiZEDOFlAAFgBagk2X2Vjb2ZsZXhyCFNIWDc1SVJDCjQI1YIBEgM3NDkYpgUgiBgo_ImRAzCnjpEDOFNAAFgBagk2X2Vjb2ZsZXhyCFNIWDc1SVJDCjUI1YIBEgQ0MDc3GIgYIMsBKOCPkQMwt5CRAzhTQABYAWoJNl9lY29mbGV4cghTSFg3NUlSQwpBCNWCARIEODQzORjLASCYXSiekZEDMPORkQM4U0AAWAFqCTZfZWNvZmxleHIIU0hYNzVJUkN6CgjBhgESBDg0MzkSCggBEAEYASoCVUEYASIECAEQASgCKAMoBDAL) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Mon, Jun 1 - Tue, Jun 30 YUL Montreal SIR Sion CA $2,551 Roundtrip found 4 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YUL,to:SIR,departure:01/06/2026TANYT&leg2=from:SIR,to:YUL,departure:30/06/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:2550.91&airProductToken=AQqxAQpBCNWCARIEODA4NhiYXSCIGCjBx44DMLfIjgM4VEAAWAFqCTZfZWNvZmxleHIIVEtYNzVJUkN6CgjBhgESBDgwODYKNAjVggESAzc0OBiIGCCmBSjAyY4DMLTNjgM4VEAAWAFqCTZfZWNvZmxleHIIVEtYNzVJUkMKNgi5hAESBDE0NTEYpgUgkooBKJLOjgMwj8-OAzhZQABYAWoJNl9lY29mbGV4cghUS1g3NUlSQwqlAQo2CLmEARIEMTQ3NhiSigEgpgUojoiRAzCJiZEDOFlAAFgBagk2X2Vjb2ZsZXhyCFdIWDM4SVJDCjQI1YIBEgM3NDkYpgUgiBgo_ImRAzCnjpEDOFdAAFgBagk2X2Vjb2ZsZXhyCFdIWDM4SVJDCjUI1YIBEgQzNjAyGIgYIJhdKO6PkQMw8ZCRAzhXQABYAWoJNl9lY29mbGV4cghXSFgzOElSQxIKCAEQARgBKgJVQRgBIgQIARABKAIoAygEMAs) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Mon, Jun 1 - Tue, Jun 30 YUL Montreal SIR Sion CA $2,563 Roundtrip found 4 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YUL,to:SIR,departure:01/06/2026TANYT&leg2=from:SIR,to:YUL,departure:30/06/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:2562.21&airProductToken=AQqlAQo1CNWCARIEMzQxNBiYXSCIGCiMyI4DMIPJjgM4VEAAWAFqCTZfZWNvZmxleHIIVEtYNzVJUkMKNAjVggESAzc0OBiIGCCmBSjAyY4DMLTNjgM4VEAAWAFqCTZfZWNvZmxleHIIVEtYNzVJUkMKNgi5hAESBDE0NTEYpgUgkooBKJLOjgMwj8-OAzhZQABYAWoJNl9lY29mbGV4cghUS1g3NUlSQwrdAQo2CLmEARIEMTQ3NhiSigEgpgUojoiRAzCJiZEDOFlAAFgBagk2X2Vjb2ZsZXhyCFdIWDM4SVJDCjQI1YIBEgM3NDkYpgUgiBgo_ImRAzCnjpEDOFdAAFgBagk2X2Vjb2ZsZXhyCFdIWDM4SVJDCjYI1YIBEgQzNDUzGIgYIJjOASjbj5EDMMaQkQM4V0AAWAFqCTZfZWNvZmxleHIIV0hYMzhJUkMKNQjBhgESAzQyNhiYzgEgmF0onpGRAzDukZEDOFdAAFgBagk2X2Vjb2ZsZXhyCFdIWDM4SVJDEgoIARABGAEqAlVBGAEiBAgBEAEoAigDKAQwCw) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Mon, Jun 1 - Tue, Jun 30 YUL Montreal SIR Sion CA $2,631 Roundtrip found 4 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YUL,to:SIR,departure:01/06/2026TANYT&leg2=from:SIR,to:YUL,departure:30/06/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:2630.91&airProductToken=AQqlAQo1CNWCARIEMzQxNBiYXSCIGCiMyI4DMIPJjgM4VEAAWAFqCTZfZWNvZmxleHIIVEtYNzVJUkMKNAjVggESAzc0OBiIGCCmBSjAyY4DMLTNjgM4VEAAWAFqCTZfZWNvZmxleHIIVEtYNzVJUkMKNgi5hAESBDE0NTUYpgUgkooBKIrPjgMwh9COAzhZQABYAWoJNl9lY29mbGV4cghUS1g3NUlSQwreAQo2CLmEARIEMTQ3NhiSigEgpgUojoiRAzCJiZEDOFlAAFgBagk2X2Vjb2ZsZXhyCFZIWDA4SVJDCjQI1YIBEgM3NDkYpgUgiBgo_ImRAzCnjpEDOFZAAFgBagk2X2Vjb2ZsZXhyCFZIWDA4SVJDCjYI1YIBEgQxODMxGIgYIMSNASj2j5EDMM6QkQM4VkAAWAFqCTZfZWNvZmxleHIIVkhYMDhJUkMKNgjVggESBDM2MTMYxI0BIJhdKJKRkQMw_pGRAzhWQABYAWoJNl9lY29mbGV4cghWSFgwOElSQxIKCAEQARgBKgJVQRgBIgQIARABKAIoAygEMAs) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Sun, Mar 22 - Sun, Mar 29 YUL Montreal SIR Sion CA $2,672 Roundtrip found 1 day ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YUL,to:SIR,departure:22/03/2026TANYT&leg2=from:SIR,to:YUL,departure:29/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:2671.71&airProductToken=AQqlAQo1CNWCARIEMzQxNBiYXSCIGCilqYgDMKWqiAM4V0AAWAFqCTZfZWNvZmxleHIIV0xXMzhJUkMKNAjVggESAzc0OBiIGCCmBSjgqogDMM-uiAM4V0AAWAFqCTZfZWNvZmxleHIIV0xXMzhJUkMKNgi5hAESBDE0NTMYpgUgkooBKKqwiAMwp7GIAzhZQABYAWoJNl9lY29mbGV4cghXTFczOElSQwqnAQo2CLmEARIEMTQ3MBiSigEgpgUon_iIAzCj-YgDOFlAAFgBagk2X2Vjb2ZsZXhyCFZMVzA4SVJDCjUI1YIBEgM5NTcYpgUgxI0BKJj-iAMwr4KJAzhWQABYAWoJNl9lY29mbGV4cghWTFcwOElSQwo2CNWCARIEMzcxNRjEjQEgmF0otIOJAzCahIkDOFZAAFgBagk2X2Vjb2ZsZXhyCFZMVzA4SVJDEgoIARABGAEqAlVBGAEiBAgBEAEoAigDKAQwCw) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Mon, Jun 1 - Tue, Jun 30 YUL Montreal SIR Sion CA $2,846 Roundtrip found 4 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YUL,to:SIR,departure:01/06/2026TANYT&leg2=from:SIR,to:YUL,departure:30/06/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:2845.91&airProductToken=AQqlAQo1CNWCARIEMzQxNBiYXSCIGCiMyI4DMIPJjgM4VEAAWAFqCTdfZWNvdW5yc3IIVEtYNzVJRkYKNAjVggESAzc0OBiIGCCmBSjAyY4DMLTNjgM4VEAAWAFqCTdfZWNvdW5yc3IIVEtYNzVJRkYKNgi5hAESBDE0NTUYpgUgkooBKIrPjgMwh9COAzhZQABYAWoJN19lY291bnJzcghUS1g3NUlGRgroAQo2CLmEARIEMTQ3NhiSigEgpgUojoiRAzCJiZEDOFlAAFgBagk3X2Vjb3VucnNyCFNIWDc1SUZGCjQI1YIBEgM3NDkYpgUgiBgo_ImRAzCnjpEDOFNAAFgBagk3X2Vjb3VucnNyCFNIWDc1SUZGCjUI1YIBEgQ0MDc3GIgYIMsBKOCPkQMwt5CRAzhTQABYAWoJN19lY291bnJzcghTSFg3NUlGRgpBCNWCARIEODQzORjLASCYXSiekZEDMPORkQM4U0AAWAFqCTdfZWNvdW5yc3IIU0hYNzVJRkZ6CgjBhgESBDg0MzkSCggBEAEYASoCVUEYASIECAEQASgCKAMoBDAL) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Mon, Jun 1 - Tue, Jun 30 YUL Montreal SIR Sion CA $2,861 Roundtrip found 4 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YUL,to:SIR,departure:01/06/2026TANYT&leg2=from:SIR,to:YUL,departure:30/06/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:2860.91&airProductToken=AQqxAQpBCNWCARIEODA4NhiYXSCIGCjBx44DMLfIjgM4VEAAWAFqCTdfZWNvdW5yc3IIVEtYNzVJRkZ6CgjBhgESBDgwODYKNAjVggESAzc0OBiIGCCmBSjAyY4DMLTNjgM4VEAAWAFqCTdfZWNvdW5yc3IIVEtYNzVJRkYKNgi5hAESBDE0NTEYpgUgkooBKJLOjgMwj8-OAzhZQABYAWoJN19lY291bnJzcghUS1g3NUlGRgqlAQo2CLmEARIEMTQ3NhiSigEgpgUojoiRAzCJiZEDOFlAAFgBagk3X2Vjb3VucnNyCFdIWDM4SUZGCjQI1YIBEgM3NDkYpgUgiBgo_ImRAzCnjpEDOFdAAFgBagk3X2Vjb3VucnNyCFdIWDM4SUZGCjUI1YIBEgQzNjAyGIgYIJhdKO6PkQMw8ZCRAzhXQABYAWoJN19lY291bnJzcghXSFgzOElGRhIKCAEQARgBKgJVQRgBIgQIARABKAIoAygEMAs) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Mon, Jun 1 - Tue, Jun 30 YUL Montreal SIR Sion CA $2,873 Roundtrip found 4 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YUL,to:SIR,departure:01/06/2026TANYT&leg2=from:SIR,to:YUL,departure:30/06/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:2872.21&airProductToken=AQqlAQo1CNWCARIEMzQxNBiYXSCIGCiMyI4DMIPJjgM4VEAAWAFqCTdfZWNvdW5yc3IIVEtYNzVJRkYKNAjVggESAzc0OBiIGCCmBSjAyY4DMLTNjgM4VEAAWAFqCTdfZWNvdW5yc3IIVEtYNzVJRkYKNgi5hAESBDE0NTEYpgUgkooBKJLOjgMwj8-OAzhZQABYAWoJN19lY291bnJzcghUS1g3NUlGRgrdAQo2CLmEARIEMTQ3NhiSigEgpgUojoiRAzCJiZEDOFlAAFgBagk3X2Vjb3VucnNyCFdIWDM4SUZGCjQI1YIBEgM3NDkYpgUgiBgo_ImRAzCnjpEDOFdAAFgBagk3X2Vjb3VucnNyCFdIWDM4SUZGCjYI1YIBEgQzNDUzGIgYIJjOASjbj5EDMMaQkQM4V0AAWAFqCTdfZWNvdW5yc3IIV0hYMzhJRkYKNQjBhgESAzQyNhiYzgEgmF0onpGRAzDukZEDOFdAAFgBagk3X2Vjb3VucnNyCFdIWDM4SUZGEgoIARABGAEqAlVBGAEiBAgBEAEoAigDKAQwCw) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Mon, Jun 1 - Tue, Jun 30 YUL Montreal SIR Sion CA $2,941 Roundtrip found 4 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YUL,to:SIR,departure:01/06/2026TANYT&leg2=from:SIR,to:YUL,departure:30/06/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:2940.91&airProductToken=AQqlAQo1CNWCARIEMzQxNBiYXSCIGCiMyI4DMIPJjgM4VEAAWAFqCTdfZWNvdW5yc3IIVEtYNzVJRkYKNAjVggESAzc0OBiIGCCmBSjAyY4DMLTNjgM4VEAAWAFqCTdfZWNvdW5yc3IIVEtYNzVJRkYKNgi5hAESBDE0NTUYpgUgkooBKIrPjgMwh9COAzhZQABYAWoJN19lY291bnJzcghUS1g3NUlGRgreAQo2CLmEARIEMTQ3NhiSigEgpgUojoiRAzCJiZEDOFlAAFgBagk3X2Vjb3VucnNyCFZIWDA4SUZGCjQI1YIBEgM3NDkYpgUgiBgo_ImRAzCnjpEDOFZAAFgBagk3X2Vjb3VucnNyCFZIWDA4SUZGCjYI1YIBEgQxODMxGIgYIMSNASj2j5EDMM6QkQM4VkAAWAFqCTdfZWNvdW5yc3IIVkhYMDhJRkYKNgjVggESBDM2MTMYxI0BIJhdKJKRkQMw_pGRAzhWQABYAWoJN19lY291bnJzcghWSFgwOElGRhIKCAEQARgBKgJVQRgBIgQIARABKAIoAygEMAs) ## Frequently asked questions ### How much is a flight from YUL to Sion Airport? ### Do I need to pay a cancellation fee if I cancel my flight from Montréal–Trudeau to SIR? ### How do I find cheap flights from Montreal Airport to Sion Airport that have flexible change policies? ### How far is the flight from Montréal–Trudeau to Sion Airport (SIR)? ### Which airlines fly direct from Montreal Airport to Sion Airport? ### Are YUL to SIR flight tickets cheaper when they're purchased at the last minute? ## Travel information | Origin airport | Pierre Elliott Trudeau Intl. | | ------------------- | ---------------------------- | | Destination airport | Sion | | Roundtrip price | CA $2,236 | | Distance | 5953 km | ## Book with confidence # Montreal to Sion Flights **The easy way to book your flights from Montreal to Sion** With Expedia, it’s simple to find and book flights to Sion 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 Sion, 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 Sion today, tomorrow, or this week. **Save dollars with cheap flights from Pierre Elliott Trudeau Intl., YUL to Sion, SIR** Sort your search results by price to find great deals on your flight from Montreal to Sion—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Sion from Montreal currently is just CA $2,236 rising to CA $2,941\. Here are more money-saving tips: - Fly in June when flight prices are normally at their lowest - Book about a month to 6 weeks before you travel for the best prices to Sion - 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 Sion 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 Sion with Expedia today. ## Explore a world of travel with Expedia - Lodging - Flights - Packages - Cars - Vacation Rental - Other - [1 Star Hotels in Les Collons ](https://www.expedia.ca/1Star-Les-Collons-Hotels.s10-0-d6341088.Travel-Guide-Filter-Hotels) - [4 Star Hotels in Nendaz ](https://www.expedia.ca/4Star-Nendaz-Hotels.s40-0-d6126465.Travel-Guide-Filter-Hotels) - [Anzère Hotels ](https://www.expedia.ca/Anzere-Hotels.d6126491.Travel-Guide-Hotels) - [Arbaz Hotels ](https://www.expedia.ca/Arbaz-Hotels.d6341004.Travel-Guide-Hotels) - [Villas in Arbaz ](https://www.expedia.ca/Arbaz-Villas.d6341004-aaVillas.Travel-Guide-Accommodation) - [Ardon Hotels ](https://www.expedia.ca/Ardon-Hotels.d6191908.Travel-Guide-Hotels) - [Ayent Hotels ](https://www.expedia.ca/Ayent-Hotels.d6143584.Travel-Guide-Hotels) - [Chalais Hotels ](https://www.expedia.ca/Chalais-Hotels.d6141591.Travel-Guide-Hotels) - [Chamoson Hotels ](https://www.expedia.ca/Chamoson-Hotels.d6191907.Travel-Guide-Hotels) - 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[Things to do in Ayent ](https://www.expedia.ca/Things-To-Do-In-Ayent.d6143584.Travel-Guide-Activities) - [Things to do in Chamoson ](https://www.expedia.ca/Things-To-Do-In-Chamoson.d6191907.Travel-Guide-Activities) \*Available to Expedia members.