Title: CA $269 Cheap Flights from Montreal (YUL) to San Diego (SAN) - 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 $269 Cheap Flights from Montreal (YUL) to San Diego (SAN) [View CA $269 flight on Sun, Jan 18, 2026](https://expedia.ca/Flights-Search?trip=oneway&leg1=from:YUL,to:SAN,departure:18/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:268.62&airProductToken=AQqZAQoxCMGCARIENjAyORiYXSDvWSju4YIDMO3iggM4QkAAWAFqBUJBU0lDcghPVkFDWlNCWAoxCMGCARIEMjEwOBjvWSCuHCi944IDMNvkggM4QkABWAFqBUJBU0lDcghPVkFDWlNCWAoxCMGCARIEMTU0MxiuHCCSaCiO6IIDMKLqggM4QkABWAFqBUJBU0lDcghPN0FXWlNCWhIKCAEQARgBKgJBQRgBIgQIARABKAIoAygEMAs) - [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 San Diego Intl. Airport (SAN) - ![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:san,departure:17/10/2025TANYT&leg2=from:san,to:yul,departure:24/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![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:san,departure:17/10/2025TANYT&leg2=from:san,to:yul,departure:24/10/2025TANYT&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:san,departure:17/10/2025TANYT&leg2=from:san,to:yul,departure:24/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ![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:san,departure:17/10/2025TANYT&leg2=from:san,to:yul,departure:24/10/2025TANYT&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:san,departure:17/10/2025TANYT&leg2=from:san,to:yul,departure:24/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WS"}}]) ![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 San Diego (SAN) Prices were available within the past 7 days and start at CA $269 for one-way flights and CA $486 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Sun, Jan 18 - Sun, Jan 25 YUL Montreal SAN San Diego CA $486 Roundtrip found 16 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YUL,to:SAN,departure:18/01/2026TANYT&leg2=from:SAN,to:YUL,departure:25/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:485.28&airProductToken=AQqZAQoxCMGCARIENjAyORiYXSDvWSju4YIDMO3iggM4QkAAWAFqBUJBU0lDcghPVkFDWlNCWAoxCMGCARIEMTQ1MhjvWSCuHCiT5IIDMK_lggM4QkABWAFqBUJBU0lDcghPVkFDWlNCWAoxCMGCARIEMTU0MxiuHCCSaCiO6IIDMKLqggM4QkABWAFqBUJBU0lDcghPN0FXWlNCWgqdAQoyCMGCARIEMzI5MhiSaCDvuQEo0reDAzCouIMDOEJAAFgBagVCQVNJQ3IITldBQ1pOQlgKMwjBggESBDE2MzcY77kBIOKaASjCuYMDMJ-7gwM4QkABWAFqBUJBU0lDcghOV0FDWk5CWAoyCMGCARIENTM1MBjimgEgmF0o1b2DAzDlvoMDOEJAAVgBagVCQVNJQ3IITldBQ1pOQlgSCggBEAEYASoCQUEYASIECAEQASgCKAMoBDAL) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Tue, Feb 10 - Tue, Feb 17 YUL Montreal SAN San Diego CA $494 Roundtrip found 16 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YUL,to:SAN,departure:10/02/2026TANYT&leg2=from:SAN,to:YUL,departure:17/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:493.77&airProductToken=AQqbAQoyCMGCARIENTY3ORiYXSDimgEosOSEAzDw5YQDOEJAAFgBagVCQVNJQ3IIT1ZBQ1pTQlgKMgjBggESBDIxOTkY4poBIK4cKPDnhAMw9OiEAzhCQAFYAWoFQkFTSUNyCE9WQUNaU0JYCjEIwYIBEgQxNTQzGK4cIJJoKO7qhAMwgu2EAzhCQAFYAWoFQkFTSUNyCE9WQUtVU0JYCpsBCjIIwYIBEgQzMTA2GJJoIO-5ASjRuoUDMKC7hQM4QkAAWAFqBUJBU0lDcghPN0FXWlNCWgoyCMGCARIEMzAwORjvuQEgrhwosL6FAzD8v4UDOEJAAVgBagVCQVNJQ3IIUVZBQ1pTQlYKMQjBggESBDM4MzMYrhwgmF0ojsGFAzCQwoUDOEJAAVgBagVCQVNJQ3IIUVZBQ1pTQlYSCggBEAEYASoCQUEYASIECAEQASgCKAMoBDAL) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Sat, Oct 25 - Sat, Nov 1 YUL Montreal SAN San Diego CA $498 Roundtrip just found [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YUL,to:SAN,departure:25/10/2025TANYT&leg2=from:SAN,to:YUL,departure:01/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:497.74&airProductToken=AQqdAQoyCMGCARIENTM1MBiYXSDimgEou6j7AjDbqfsCOEJAAFgBagVCQVNJQ3IIT1VBQ1pTQlYKMwjBggESBDIxMjYY4poBIO-5ASiRrPsCMJ6u-wI4QkABWAFqBUJBU0lDcghPVUFDWlNCVgoyCMGCARIEMjA1NxjvuQEgkmgo-bH7AjDMsvsCOEJAAVgBagVCQVNJQ3IIT1ZBS1pTQlgKmwEKMgjBggESBDE5NTEYkmgg77kBKLj5-wIwk_r7AjhCQABYAWoFQkFTSUNyCE9WQUtaU0JYCjIIwYIBEgQyMzAxGO-5ASDvWSj4_PsCMP7--wI4QkABWAFqBUJBU0lDcghRVkFDWlNCVgoxCMGCARIENjAxMRjvWSCYXSiEgfwCMOuB_AI4QkABWAFqBUJBU0lDcghRVkFDWlNCVhIKCAEQARgBKgJBQRgBIgQIARABKAIoAygEMAs) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Tue, Feb 10 - Tue, Feb 17 YUL Montreal SAN San Diego CA $502 Roundtrip found 16 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YUL,to:SAN,departure:10/02/2026TANYT&leg2=from:SAN,to:YUL,departure:17/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:501.48&airProductToken=AQqbAQoyCMGCARIENTY3ORiYXSDimgEosOSEAzDw5YQDOEJAAFgBagVCQVNJQ3IIT1ZBQ1pTQlgKMgjBggESBDIyMzYY4poBIK4cKObmhAMw6ueEAzhCQAFYAWoFQkFTSUNyCE9WQUNaU0JYCjEIwYIBEgQxNTQzGK4cIJJoKO7qhAMwgu2EAzhCQAFYAWoFQkFTSUNyCE9WQUtVU0JYCmgKMgjBggESBDMxMDgYkmgg4poBKIS8hQMwjb6FAzhCQABYAWoFQkFTSUNyCE5XQUNaTkJYCjIIwYIBEgQ1MzUwGOKaASCYXSilwIUDMLvBhQM4QkABWAFqBUJBU0lDcghOV0FDWk5CWBIKCAEQARgBKgJBQRgBIgQIARABKAIoAygEMAs) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Sun, Jan 25 - Sun, Feb 1 YUL Montreal SAN San Diego CA $508 Roundtrip found 16 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YUL,to:SAN,departure:25/01/2026TANYT&leg2=from:SAN,to:YUL,departure:01/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:507.26&airProductToken=AQqZAQoxCMGCARIENjAyORiYXSDvWSjOsIMDMM2xgwM4QkAAWAFqBUJBU0lDcghPVkFDWlNCWAoxCMGCARIEMjEwOBjvWSCuHCidsoMDMLuzgwM4QkABWAFqBUJBU0lDcghPVkFDWlNCWAoxCMGCARIEMTU0MxiuHCCSaCjutoMDMIK5gwM4QkABWAFqBUJBU0lDcghRVkFLWlNCWAqbAQoyCMGCARIEMTk1MBiSaCDvuQEo4ISEAzC2hYQDOEJAAFgBagVCQVNJQ3IIT1ZBS1pTQlgKMgjBggESBDI1ODQY77kBIO9ZKP6HhAMwgoqEAzhCQAFYAWoFQkFTSUNyCFFWQUNaU0JWCjEIwYIBEgQ2MDExGO9ZIJhdKIeMhAMw9IyEAzhCQAFYAWoFQkFTSUNyCFFWQUNaU0JWEgoIARABGAEqAkFBGAEiBAgBEAEoAigDKAQwCw) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Wed, Dec 17 - Wed, Dec 31 YUL Montreal SAN San Diego CA $510 Roundtrip just found [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YUL,to:SAN,departure:17/12/2025TANYT&leg2=from:SAN,to:YUL,departure:31/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:509.50&airProductToken=AQpwCjYIxJgBEgQ1MDU2GJhdIOO0ASiU-f8CMJj6_wI4RUAAWAFqCU1BSU5CQVNJQ3IIVkFXTkEwQlEKNgjEmAESBDIxNzIY47QBIJJoKJD8_wIwtP7_AjhFQAFYAWoJTUFJTkJBU0lDcghWQVdOQTBCURIKCAEQARgBKgJETBgBIgQIARABKAIoAygEMAE) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Sun, Jan 25 - Sun, Feb 1 YUL Montreal SAN San Diego CA $515 Roundtrip found 16 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YUL,to:SAN,departure:25/01/2026TANYT&leg2=from:SAN,to:YUL,departure:01/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:514.98&airProductToken=AQqZAQoxCMGCARIENjAyORiYXSDvWSjOsIMDMM2xgwM4QkAAWAFqBUJBU0lDcghPVkFDWlNCWAoxCMGCARIEMjEwOBjvWSCuHCidsoMDMLuzgwM4QkABWAFqBUJBU0lDcghPVkFDWlNCWAoxCMGCARIEMTU0MxiuHCCSaCjutoMDMIK5gwM4QkABWAFqBUJBU0lDcghRVkFLWlNCWApoCjIIwYIBEgQyNjQ0GJJoIOKaASj1h4QDMP-JhAM4QkAAWAFqBUJBU0lDcghOV0FDWk5CWAoyCMGCARIENTM1MBjimgEgmF0otYyEAzDFjYQDOEJAAVgBagVCQVNJQ3IITldBQ1pOQlgSCggBEAEYASoCQUEYASIECAEQASgCKAMoBDAL) ![Air Canada](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AC.gif) Wed, May 6 - Wed, May 13 YUL Montreal SAN San Diego CA $524 Roundtrip found 16 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YUL,to:SAN,departure:06/05/2026TANYT&leg2=from:SAN,to:YUL,departure:13/05/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:523.02&airProductToken=AQoyCjAIwYYBEgM1MjcYmF0gkmgo4qSMAzDDp4wDOEdAAFgBagVCQVNJQ3IIR05BNUEwQkEKMgowCMGGARIDNTI2GJJoIJhdKO7wjAMwt_OMAzhHQABYAWoFQkFTSUNyCEdOQTVBMEJBEgoIARABGAEqAkFDGAEiBAgBEAEoAigDKAQwDQ) ![WestJet](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/WS.gif) Sun, Feb 8 - Wed, Mar 25 YUL Montreal SAN San Diego CA $538 Roundtrip found 1 day ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YUL,to:SAN,departure:08/02/2026TANYT&leg2=from:SAN,to:YUL,departure:25/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:537.90&airProductToken=AQpDCh8I16YBEgM1NTkYmF0gmBYo3tOEAzCB1oQDOEVAAFgBCiAI16YBEgQxNDgyGJgWIJJoKJTbhAMw49yEAzhFQAFYAQpDCiAI16YBEgQxNDgzGJJoIJgWKJPMiAMw4c2IAzhFQABYAQofCNemARIDNTU4GJgWIJhdKLHRiAMwtdOIAzhFQAFYARIKCAEQARgBKgJXUxgBIgQIARABKAQwAQ) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Wed, Nov 19 - Wed, Jan 21 YUL Montreal SAN San Diego CA $540 Roundtrip found 2 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YUL,to:SAN,departure:19/11/2025TANYT&leg2=from:SAN,to:YUL,departure:21/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:539.59&airProductToken=AQpsCjQI1YIBEgQzNTQ5GJhdIK4cKJnD_QIwzcT9AjhOQABYAWoIRUNPQkFTSUNyCEdOQTVBMEJOCjQI1YIBEgQyNDcyGK4cIJJoKInF_QIwnMf9AjhOQAFYAWoIRUNPQkFTSUNyCEdOQTVBMEJOCmcKMgjBhgESBDEwOTQYkmggmM4BKJ-HgwMwwYmDAzhHQABYAWoFQkFTSUNyCEdOQTVBMEJBCjEIwYYBEgM0MzIYmM4BIJhdKPqKgwMwzIuDAzhHQAFYAWoFQkFTSUNyCEdOQTVBMEJBEgoIARABGAEqAlVBGAEiBAgBEAEoAigDKAQwAQ) ## Find the cheapest month to fly from Montreal (YUL) to San Diego (SAN) ### June is typically the cheapest month to fly From CA $342 - CA $736 per traveller. ## Alternative airports near San Diego Prices were available within the past 7 days. Prices and availability are subject to change. [](https://www.expedia.ca/Flights-Search?leg1=from:YUL,to:TIJ,departure:17/10/2025TANYT&leg2=from:TIJ,to:YUL,departure:07/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) TIJ General Abelardo L. Rodriguez Intl. 26 min [Flights from CA $1,052](https://www.expedia.ca/Flights-Search?leg1=from:YUL,to:TIJ,departure:17/10/2025TANYT&leg2=from:TIJ,to:YUL,departure:07/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) 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 | | Roundtrip price | CA $485 | | Distance | 3928 km | | Average flight time | 5 hours 50 mins | ## Montreal to San Diego Flights **The easy way to book your flights from Montreal to San Diego**  With Expedia, it’s simple to find and book flights to San Diego 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 Air Canada, United Airlines nonstop flights to San Diego Intl., 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 San Diego today, tomorrow, or this week.   **Save dollars with cheap flights from Pierre Elliott Trudeau Intl., YUL to San Diego Intl., SAN**  Sort your search results by price to find great deals on your flight from Montreal to San Diego—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to San Diego from Montreal currently is just CA $486 rising to CA $540.   Here are more money-saving tips:  - Fly in January when flight prices are normally at their lowest  - Book about a month to 6 weeks before you travel for the best prices to San Diego   - 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 San Diego 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 San Diego with Expedia today. ## Frequently asked questions ### How much is a flight from Montréal–Trudeau to San Diego Airport? > Based on fares available within the last 7 days on Expedia for flights departing within the next year, round-trip flights between Pierre Elliott Trudeau Intl. Airport (YUL) and San Diego Airport start from CA $486. Make your booking ASAP to score the best price for your exciting adventure. Prices and availability are subject to change. Additional terms apply. ### Do I need to pay a cancellation fee if I cancel my flight from Pierre Elliott Trudeau Intl. Airport (YUL) to SAN? > Each air carrier has its own set of terms and conditions. If you do decide to cancel, follow the instructions on our [Customer Service Portal](https://www.expedia.ca/helpcenter). ### How do I find cheap flights from Montreal Airport to San Diego Intl. Airport (SAN) that have flexible change policies? > Use our "No change fees" filter to find flexible travel options for your flight from Montreal Airport to San Diego Airport. This allows you to secure a fantastic price in advance and still have the freedom to reschedule without any extra fees. Fare adjustments may apply if your new flight is more expensive. ### How many hours is the flight from YUL to San Diego Airport? > The flight time from YUL to San Diego Intl. Airport (SAN) is usually around 9 hours and 17 minutes. It's is no small journey, so fill your carry-on with plenty to keep you occupied. ### How far is the flight from Montreal Airport to San Diego Intl. Airport (SAN)? > The flight distance from Dorval to San Diego is 4,000 kilometres. Bring a drink, some snacks and a good movie. Keep yourself entertained and the hours will fly by. ### Which airlines fly direct from Montréal–Trudeau to San Diego Airport? > Offering 0 monthly flights, Air Canada (AC) is a popular choice when flying directly from Pierre Elliott Trudeau Intl. Airport (YUL) to San Diego Intl. Airport (SAN). ### Are Montréal–Trudeau to San Diego Intl. Airport (SAN) flight tickets cheaper when they're purchased at the last minute? > Booking your trip from Montréal–Trudeau to San Diego Intl. Airport (SAN) last minute could save you some cash. However, it could end up costing a great deal more! If you'd prefer not to take any chances, book well ahead of your departure date. In fact, Expedia has some of the biggest bargains up to a year in advance. If your preferred air carrier hasn't released tickets yet, check back regularly as deals are updated on Expedia all the time. ## Explore a world of travel with Expedia - Flights ### Flights - [Flights from South Lake Tahoe to San Diego](https://www.expedia.ca/lp/flights/10150/3073/south-lake-tahoe-to-san-diego) - [Flights from Delta to San Diego](https://www.expedia.ca/lp/flights/10564/3073/delta-to-san-diego) - [Flights from Kitchener to San Diego](https://www.expedia.ca/lp/flights/10579/3073/kitchener-to-san-diego) - [Flights from Vernon to San Diego](https://www.expedia.ca/lp/flights/10619/3073/vernon-to-san-diego) - [Flights from Whitefish to San Diego](https://www.expedia.ca/lp/flights/1199/3073/whitefish-to-san-diego) - [Flights from Grand Forks to San Diego](https://www.expedia.ca/lp/flights/1312/3073/grand-forks-to-san-diego) - [Flights from Great Falls to San Diego](https://www.expedia.ca/lp/flights/1392/3073/great-falls-to-san-diego) - [Flights from Havre to San Diego](https://www.expedia.ca/lp/flights/1542/3073/havre-to-san-diego) - 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