Title: CA $500 Cheap Flights & Airfare to Saint-Louis - Expedia.ca ![Sorghum bicolor in France](https://images.trvl-media.com/place/6035020/5a4ca6bc-83a8-4646-bb9b-e4151ae8cb1b.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/6035020/5a4ca6bc-83a8-4646-bb9b-e4151ae8cb1b.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # CA $500 Cheap Flight to Saint-Louis [View CA $500 flight on Fri, Oct 16, 2026](https://expedia.ca/Flights-Search?trip=oneway&leg1=from:YUL,to:BSL,departure:16/10/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:499.41&airProductToken=AQowCi4I1KYBEgMyOTIYmF0gwVwol8-aAzDK0poDOFBAAFgBagNCR1RyCFBaQkdUMUNPEgoIARABGAEqAlRTGAEiBAgBEAEoAigDKAQwDQ) - [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 [Saint-Louis Hotels](https://expedia.ca/Destinations-In-Saint-Louis.d553248635988764454.Hotel-Destinations)[Vacation Rentals in Saint-Louis](https://expedia.ca/Destinations-In-Saint-Louis.d553248635988764454.Vacation-Rental-Destinations)[Saint-Louis Car Rentals](https://expedia.ca/Destinations-In-Saint-Louis.d553248635988764454.Car-Rental-Destinations)[Saint-Louis Vacations](https://expedia.ca/Saint-Louis.d553248635988764454.Destination-Travel-Guides) ## Popular airlines to Saint-Louis - ![Lufthansa](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_LH.svg) Lufthansa - ![KLM](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_KL.svg) KLM - ![Air France](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AF.svg) Air France - ![British Airways](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_BA.svg) British Airways - ![Austrian Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_OS.svg) Austrian Airlines - ![easyJet](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_U2.svg) easyJet - ![Turkish Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_TK.svg) Turkish Airlines - ![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) ## How much is the cheapest flight to Saint-Louis? Prices were available within the past 7 days and start at CA $500 for one-way flights and CA $951 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ![Air Transat](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/TS.gif) Sun, Sep 13 - Sat, Oct 10 YUL Montreal BSL Basel CA $951 Roundtrip found 4 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YUL,to:BSL,departure:13/09/2026TANYT&leg2=from:BSL,to:YUL,departure:10/10/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:950.01&airProductToken=AQowCi4I1KYBEgMyOTIYmF0gwVwo99uXAzCq35cDOFBAAFgBagNCR1RyCFBaQkdUMUNPEgoIARABGAEqAlRTGAEiBAgBEAEoAigDKAQwDQ) ![Air Transat](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/TS.gif) Sun, Sep 20 - Thu, Oct 1 YUL Montreal BSL Basel CA $951 Roundtrip found 2 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YUL,to:BSL,departure:20/09/2026TANYT&leg2=from:BSL,to:YUL,departure:01/10/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:950.51&airProductToken=AQowCi4I1KYBEgMyOTIYmF0gwVwo16qYAzCKrpgDOFBAAFgBagNCR1RyCFBaQkdUMUNPEgoIARABGAEqAlRTGAEiBAgBEAEoAigDKAQwDQ) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Wed, Jan 21 - Tue, Jan 27 YUL Montreal BSL Basel CA $969 Roundtrip found 6 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YUL,to:BSL,departure:21/01/2026TANYT&leg2=from:BSL,to:YUL,departure:27/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:968.11&airProductToken=AQpGCiEIwYIBEgQ2OTE5GJhdIOuJASjkiYMDMP6MgwM4T0AAWAEKIQjBggESBDY3MTEY64kBIMFcKNqOgwMww4-DAzhTQAFYAQpGCiEIwYIBEgQ2OTAxGMFcIOuJASiIxIMDMPbEgwM4U0AAWAEKIQjBggESBDY5MjAY64kBIJhdKOrIgwMwscyDAzhPQAFYARIKCAEQARgBKgJBQRgBIgQIARABKAQwAQ) ![British Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/BA.gif) Mon, Feb 16 - Mon, Mar 9 YUL Montreal BSL Basel CA $975 Roundtrip found 8 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YUL,to:BSL,departure:16/02/2026TANYT&leg2=from:BSL,to:YUL,departure:09/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:974.61&airProductToken=AQplCjAIwoIBEgI5NBiYXSDriQEopK6FAzC-sYUDOE9AAFgBagVOT0JBR3IIT0xYMEMxQjUKMQjCggESAzc2NBjriQEgwVwor7aFAzCTt4UDOE9AAVgBagVOT0JBR3IIT0xYMEMxQjUKZQoxCMKCARIDNzU1GMFcIOuJASiTk4cDMIGUhwM4T0AAWAFqBU5PQkFHcghPTFgwQzFCNQowCMKCARICOTUY64kBIJhdKJ6WhwMw5ZmHAzhPQAFYAWoFTk9CQUdyCE9MWDBDMUI1EgoIARABGAEqAkJBGAEiBAgBEAEoAigDMA0) ![Air Transat](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/TS.gif) Fri, Sep 25 - Fri, Oct 2 YUL Montreal BSL Basel CA $981 Roundtrip found 19 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YUL,to:BSL,departure:25/09/2026TANYT&leg2=from:BSL,to:YUL,departure:02/10/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:980.61&airProductToken=AQowCi4I1KYBEgMyOTIYmF0gwVwo9-KYAzCq5pgDOE5AAFgBagNCR1RyCE5aQkdUMUNPEgoIARABGAEqAlRTGAEiBAgBEAEoAigDKAQwDQ) ![Air Transat](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/TS.gif) Fri, Oct 16 - Sat, Oct 24 YUL Montreal BSL Basel CA $988 Roundtrip found 9 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YUL,to:BSL,departure:16/10/2026TANYT&leg2=from:BSL,to:YUL,departure:24/10/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:987.45&airProductToken=AQowCi4I1KYBEgMyOTIYmF0gwVwol8-aAzDK0poDOFBAAFgBagNCR1RyCFBaQkdUMUNPEgoIARABGAEqAlRTGAEiBAgBEAEoAigDKAQwDQ) ![Air Transat](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/TS.gif) Fri, Oct 23 - Fri, Oct 30 YUL Montreal BSL Basel CA $988 Roundtrip found 19 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YUL,to:BSL,departure:23/10/2026TANYT&leg2=from:BSL,to:YUL,departure:30/10/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:987.75&airProductToken=AQowCi4I1KYBEgMyOTIYmF0gwVwo952bAzCqoZsDOFBAAFgBagNCR1RyCFBaQkdUMUNPEgoIARABGAEqAlRTGAEiBAgBEAEoAigDKAQwDQ) ![British Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/BA.gif) Mon, Mar 9 - Tue, Mar 17 YUL Montreal BSL Basel CA $989 Roundtrip found 4 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YUL,to:BSL,departure:09/03/2026TANYT&leg2=from:BSL,to:YUL,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:988.82&airProductToken=AQplCjAIwoIBEgI5NBiYXSDriQEozpqHAzDonYcDOE9AAFgBagVOT0JBR3IIT0xYMEMxQjUKMQjCggESAzc2MhjriQEgwVwogqGHAzDroYcDOE9AAVgBagVOT0JBR3IIT0xYMEMxQjUKgAEKPgjBggESBDY5MDEYwVwg64kBKKjrhwMwluyHAzhTQABYAWoFQkFTSUNyCE9MWDBDMUI1egoIwoIBEgQ2OTAxCj4IwYIBEgQ2OTIwGOuJASCYXSie8IcDMOXzhwM4T0ABWAFqBUJBU0lDcghPTFgwQzFCNXoKCMKCARIENjkyMBIKCAEQARgBKgJCQRgBIgQIARABKAIoAygEMAE) ![Air Canada](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AC.gif) Tue, Apr 7 - Tue, Apr 14 YUL Montreal BSL Basel CA $996 Roundtrip found 19 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YUL,to:BSL,departure:07/04/2026TANYT&leg2=from:BSL,to:YUL,departure:14/04/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:995.81&airProductToken=AQp-Cj0IwYYBEgQ5MDk4GJhdIIwVKKjgiQMw2-OJAzhLQABYAWoFQkFTSUNyCEtMMkFYU0JRegoIzJABEgQ5MDk4Cj0IzJABEgQyNDAwGIwVIMFcKO3niQMwpOiJAzhLQAFYAWoFQkFTSUNyCEtMMkFYU0JRegoIw5gBEgQyNDAwCnQKPgjPpgESAzEyOBjBXCCVIiiCrIoDMNesigM4S0AAWAFqCEVDT0xJR0hUcghLTDJBWFNCUXoJCMKoARIDMTI4CjIIz6YBEgI1NRiVIiCYXSj8sooDMI63igM4S0ABWAFqCEVDT0xJR0hUcghLTDJBWFNCURIKCAIQARgCKgJBQxgBIgQIARABKAIoAygEMAE) ![Swiss International Air Lines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/LX.gif) Tue, Apr 7 - Tue, Apr 14 YUL Montreal BSL Basel CA $1,002 Roundtrip found 19 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YUL,to:BSL,departure:07/04/2026TANYT&leg2=from:BSL,to:YUL,departure:14/04/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1001.21&airProductToken=AQqEAQpACMywARIEMzUwNRiYXSCVIiir34kDMIvjiQM4S0AAWAFqCEVDT0xJR0hUcghLTDJBWFNCUXoKCM-mARIEMzUwNQpACMywARIEMzU4MxiVIiDBXCjA54kDMJXoiQM4S0ABWAFqCEVDT0xJR0hUcghLTDJBWFNCUXoKCM-mARIEMzU4MwqEAQpACMywARIEMzU4MhjBXCCVIii0p4oDMImoigM4S0AAWAFqCEVDT0xJR0hUcghLTDJBWFNCUXoKCM-mARIEMzU4MgpACMywARIEMzUwNBiVIiCYXSj8sooDMI63igM4S0ABWAFqCEVDT0xJR0hUcghLTDJBWFNCUXoKCM-mARIEMzUwNBIKCAIQARgCKgJMWBgBIgQIARABKAIoAygEMAs) ## Top Travel Tips for Flying to Saint-Louis Get ready for an incredible adventure as you embark on your journey to Saint-Louis. With Expedia, finding the perfect flights is a breeze. Discover valuable travel insights and expert tips to ensure a seamless and enjoyable trip to this captivating destination. **Unleash Your Wanderlust** Pack your bags, secure your flights to Saint-Louis, and let Expedia be your trusted companion in fulfilling your travel dreams. Our wide selection of flights offers you the flexibility to explore Saint-Louis in your own unique style. Experience the trip of a lifetime with just a click, courtesy of Expedia. **Unbeatable Value with Expedia** At Expedia, we understand the importance of budget-friendly travel. That's why we are dedicated to bringing you the best deals on affordable and cheap flights from the UK to Saint-Louis. Experience the perfect balance between adventure and savings with our competitively-priced roundtrip and one-way flight options. **Endless Flight Choices** With 20 different airlines flying to Saint-Louis, you have a world of options at your fingertips. Whether you're a spontaneous traveler or a meticulous planner, find the flights that suit your schedule and preferences seamlessly. Explore last-minute deals or plan ahead with ease. **Empowering Your Decision** We believe in putting you in control of your travel choices. Our extensive range of airline tickets to Saint-Louis caters to every budget, starting from the lowest price CA $500\. Enjoy the freedom to choose the perfect flights that align with your needs and desires. **Effortless Booking Process** Experience a hassle-free booking journey with Expedia. Whether you're seeking a red-eye flight, a direct route to a specific airport, or one-way flights to Saint-Louis, our streamlined booking process ensures convenience and efficiency. Download our mobile booking app to reserve your flights anytime, anywhere. **Your Adventure Awaits** It's time to make your dreams a reality. Book your airfare to Saint-Louis today with Expedia. Begin crafting your unique travel story and get ready for an unforgettable experience that caters to your tastes and budget. Start your journey now and let the adventure unfold. ## Saint-Louis Flights Information | Airlines serving | Air Transat, American Airlines, British Airways, Air Canada, Swiss International Air Lines, Austrian Airlines | | ---------------- | ------------------------------------------------------------------------------------------------------------- | | Roundtrip price | from CA $951 | ## Frequently asked questions ### How do I find cheap flights to Saint-Louis that have flexible change policies? ### How can I find cheap tickets to Saint-Louis? ### How much is a flight to Saint-Louis? ### When is the cheapest time to fly to Saint-Louis? ### How much is a plane ticket to Saint-Louis? ### What months are the cheapest to book a flight to Saint-Louis? - Top Flights Destinations - Top Saint-Louis Hotels - Other Airlines - Expedia's Latest Trends ### Top Flight Destinations In Saint-Louis - [Flights to Alsace ](https://expedia.ca/Cheap-Flights-To-Alsace.d6226963.Travel-Guide-Flights) - [Flights to Alsace-Lorraine ](https://expedia.ca/Cheap-Flights-To-Alsace-Lorraine.d6025663.Travel-Guide-Flights) - 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[Flights to Norway ](https://expedia.ca/Destinations-In-Norway.d138.Flight-Destinations) - [Flights to Switzerland ](https://expedia.ca/Destinations-In-Switzerland.d174.Flight-Destinations) - [Flights to Russia ](https://expedia.ca/Destinations-In-Russia.d153.Flight-Destinations) - [Flights to Germany ](https://expedia.ca/Destinations-In-Germany.d64.Flight-Destinations) - [Flights to France ](https://expedia.ca/Destinations-In-France.d59.Flight-Destinations) - [Flights to United States of America ](https://expedia.ca/Destinations-In-United-States-Of-America.d201.Flight-Destinations) - [Flights to Greece ](https://expedia.ca/Destinations-In-Greece.d67.Flight-Destinations) - [Flights to Italy ](https://expedia.ca/Destinations-In-Italy.d86.Flight-Destinations) - [Flights to Spain ](https://expedia.ca/Destinations-In-Spain.d166.Flight-Destinations) - [Flights to Australia ](https://expedia.ca/Destinations-In-Australia.d10.Flight-Destinations) - [Flights to Canada ](https://expedia.ca/Destinations-In-Canada.d31.Flight-Destinations) - [Flights to Sweden ](https://expedia.ca/Destinations-In-Sweden.d173.Flight-Destinations) ### Top Saint-Louis Hotels - [Mercure Bale Mulhouse Aeroport ](https://expedia.ca/Blotzheim-Hotels-Mercure-Bale-Mulhouse-Aeroport.h11807185.Hotel-Information) - [B&B Hotel Mulhouse Bâle Aéroport ](https://expedia.ca/Hesingue-Hotels-BB-Hotel-Mulhouse-Bale-Aeroport.h102399979.Hotel-Information) - [Arrow Hotel ](https://expedia.ca/Hegenheim-Hotels-Arrow-Hotel.h101967182.Hotel-Information) - [Aparthotel Adagio Access Saint Louis Bâle ](https://expedia.ca/Basel-Hotels-Aparthotel-Adagio-Access-Saint-Louis-Bale.h2988805.Hotel-Information) - [Radisson Blu Hotel, Basel ](https://expedia.ca/Basel-Hotels-Radisson-Blu-Hotel.h524407.Hotel-Information) - [B&B Hotel Basel ](https://expedia.ca/Basel-Hotels-BB-Hotel-Basel.h64411044.Hotel-Information) - [Hotel Schweizerhof Basel ](https://expedia.ca/Basel-Hotels-Hotel-Schweizerhof-Basel.h19684.Hotel-Information) - [KYRIAD PRESTIGE MULHOUSE - Basel ](https://expedia.ca/Sausheim-Hotels-KYRIAD-PRESTIGE-MULHOUSE-Basel.h5352432.Hotel-Information) - 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Prices quoted are per person, return, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ![Air Transat](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/TS.gif) Sun, Sep 13 - Sat, Oct 10 YUL Montreal BSL Basel CA $951 Roundtrip found 4 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YUL,to:BSL,departure:13/09/2026TANYT&leg2=from:BSL,to:YUL,departure:10/10/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:950.01&airProductToken=AQowCi4I1KYBEgMyOTIYmF0gwVwo99uXAzCq35cDOFBAAFgBagNCR1RyCFBaQkdUMUNPEgoIARABGAEqAlRTGAEiBAgBEAEoAigDKAQwDQ) \*Available to Expedia members.