Title: CA $317 Cheap Air Canada fights from Montreal to San Diego - Expedia.ca ![](https://images.trvl-media.com/place/3073/476a7863-1b66-47b5-9758-1dc7b3787493.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/3073/476a7863-1b66-47b5-9758-1dc7b3787493.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # CA $317 Cheap Air Canada fights from Montreal (YMQ) to San Diego (SAN) [View CA $317 flight on Wed, Sep 9, 2026](https://expedia.ca/Flights-Search?trip=oneway&leg1=from:YUL,to:SAN,departure:09/09/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:316.57&airProductToken=AQpnCjEIwYYBEgMzMDMYmF0guI0BKK6qlwMw6ayXAzhLQABYAWoFQkFTSUNyCEtOQTJBMEJBCjIIwYYBEgQ4NzY2GLiNASCSaCj6rZcDMLGvlwM4S0ABWAFqBUJBU0lDcghLTkEyQTBCQRIKCAEQARgBKgJBQxgBIgQIARABKAIoAygEMA0) - [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 ![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) ## Air Canada flights from Montreal to San Diego (YMQ→SAN) Prices were available within the past 7 days and start at CA $317 for one-way flights and CA $545 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ![Air Canada](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AC.gif) Tue, Aug 4 - Tue, Aug 11 YUL Montreal SAN San Diego CA $545 Roundtrip just found [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YUL,to:SAN,departure:04/08/2026TANYT&leg2=from:SAN,to:YUL,departure:11/08/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:544.89&airProductToken=AQoyCjAIwYYBEgM1MTMYmF0gkmgoopmUAzCDnJQDOEdAAFgBagVCQVNJQ3IIR05BNUEwQkEKMgowCMGGARIDNTEyGJJoIJhdKK7llAMw9-eUAzhHQABYAWoFQkFTSUNyCEdOQTVBMEJBEgoIARABGAEqAkFDGAEiBAgBEAEoAigDKAQwAQ) ![Air Canada](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AC.gif) Fri, Dec 12 - Sun, Dec 14 YUL Montreal SAN San Diego CA $554 Roundtrip just found [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YUL,to:SAN,departure:12/12/2025TANYT&leg2=from:SAN,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:553.93&airProductToken=AQpnCjEIwYYBEgM0ODEYmF0gmM4BKPTA_wIw18H_AjhHQABYAWoFQkFTSUNyCEdOQTVBMEJBCjIIwYYBEgQxMDkzGJjOASCSaCi3wv8CMInF_wI4R0ABWAFqBUJBU0lDcghHTkE1QTBCQQpsCjQI1YIBEgQyMTI5GJJoIIgYKKPg_wIwvOL_AjhOQABYAWoIRUNPQkFTSUNyCEdOQTVBMEJOCjQI1YIBEgQzNDM5GIgYIJhdKIzm_wIwgOf_AjhOQAFYAWoIRUNPQkFTSUNyCEdOQTVBMEJOEgoIARABGAEqAkFDGAEiBAgBEAEoAigDKAQwAQ) ![Air Canada](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AC.gif) Tue, Apr 28 - Tue, May 5 YUL Montreal SAN San Diego CA $563 Roundtrip just found [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YUL,to:SAN,departure:28/04/2026TANYT&leg2=from:SAN,to:YUL,departure:05/05/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:562.97&airProductToken=AQpnCjEIwYYBEgM0ODEYmF0gmM4BKNjFiwMwtcaLAzhHQABYAWoFQkFTSUNyCEdOQTVBMEJBCjIIwYYBEgQxMDc3GJjOASCSaCiqx4sDMO3JiwM4R0ABWAFqBUJBU0lDcghHTkE1QTBCQQpnCjIIwYYBEgQxMDc4GJJoIJjOASjPmIwDMPeajAM4R0AAWAFqBUJBU0lDcghHTkE1QTBCQQoxCMGGARIDNDMyGJjOASCYXSjInIwDMJmdjAM4R0ABWAFqBUJBU0lDcghHTkE1QTBCQRIKCAEQARgBKgJBQxgBIgQIARABKAIoAygEMAE) Flight from Montreal to San Diego (YUL - SAN) route information | Origin airport | Pierre Elliott Trudeau Intl. | | --- | --- | | Destination airport | San Diego Intl. | | Airlines serving | Air Canada, American Airlines, Delta, United, WestJet | | Popular airline | American Airlines | | Distance | 3928 km | ## Explore a world of travel with Expedia \*Available to Expedia members.