Title: Cheap Flights to Maryland Heights , MO from CA $108 - Expedia.ca ![Lower Town From Maryland Heights, Harpers Ferry, West Virginia, USA](https://images.trvl-media.com/place/7347/07676bf3-8dba-42bf-955e-badfac4be14c.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/7347/07676bf3-8dba-42bf-955e-badfac4be14c.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Flights to Maryland Heights , MO from CA $108 [View CA $108 flight on Tue, Mar 17, 2026](https://expedia.ca/Flights-Search?trip=oneway&leg1=from:SEA,to:STL,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:107.30&airProductToken=AQpoCjIIwYIBEgQyNzQ4GJIBIKOxASiu7ocDMJvwhwM4QkAAWAFqBUJBU0lDcghPVkFLVVNCVgoyCMGCARIEMjUwNxijsQEg8lwoofGHAzCM8ocDOEJAAVgBagVCQVNJQ3IIT1ZBS1VTQlYSCggBEAEYASoCQUEYASIECAEQASgCKAMoBDAL) - [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 [Maryland Heights Travel Guide](https://expedia.ca/Maryland-Heights.dx7347)[Hotels in Maryland Heights](https://expedia.ca/Maryland-Heights-Hotels.d7347.Travel-Guide-Hotels)[Things to do in Maryland Heights](https://expedia.ca/Things-To-Do-In-Maryland-Heights.d7347.Travel-Guide-Activities)[Maryland Heights Car Rentals](https://expedia.ca/Car-Rentals-In-Maryland-Heights.d7347.Car-Rental-Guide)[Maryland Heights Vacation Packages](https://expedia.ca/Maryland-Heights.d7347.Destination-Travel-Guides) ## Popular airlines to Maryland Heights - ![](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:CMH,to:Maryland Heights, Missouri, United States of America,departure:21/02/2026TANYT&leg2=from:Maryland Heights, Missouri, United States of America,to:CMH,departure:28/02/2026TANYT&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_DL.svg) Delta [](https://www.expedia.ca/Flights-Search?leg1=from:CMH,to:Maryland Heights, Missouri, United States of America,departure:21/02/2026TANYT&leg2=from:Maryland Heights, Missouri, United States of America,to:CMH,departure:28/02/2026TANYT&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_UA.svg) United [](https://www.expedia.ca/Flights-Search?leg1=from:CMH,to:Maryland Heights, Missouri, United States of America,departure:21/02/2026TANYT&leg2=from:Maryland Heights, Missouri, United States of America,to:CMH,departure:28/02/2026TANYT&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_WN.svg) Southwest Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:CMH,to:Maryland Heights, Missouri, United States of America,departure:21/02/2026TANYT&leg2=from:Maryland Heights, Missouri, United States of America,to:CMH,departure:28/02/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WN"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_F9.svg) Frontier Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:CMH,to:Maryland Heights, Missouri, United States of America,departure:21/02/2026TANYT&leg2=from:Maryland Heights, Missouri, United States of America,to:CMH,departure:28/02/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"F9"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AS.svg) Alaska Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:CMH,to:Maryland Heights, Missouri, United States of America,departure:21/02/2026TANYT&leg2=from:Maryland Heights, Missouri, United States of America,to:CMH,departure:28/02/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AS"}}]) - ![](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:CMH,to:Maryland Heights, Missouri, United States of America,departure:21/02/2026TANYT&leg2=from:Maryland Heights, Missouri, United States of America,to:CMH,departure:28/02/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AC"}}]) - ![](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\* - 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Prices were available within the past 7 days and start at CA $108 for one-way flights and CA $215 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) Wed, Mar 11 - Wed, Mar 18 SEA Seattle STL St. Louis CA $215 Roundtrip found 5 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:SEA,to:STL,departure:11/03/2026TANYT&leg2=from:STL,to:SEA,departure:18/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:214.60&airProductToken=AQpoCjIIwYIBEgQyNzQ4GJIBIKOxASjuqocDMNushwM4QkAAWAFqBUJBU0lDcghPVkFLVVNCVgoyCMGCARIEMjI2ORijsQEg8lwoyq6HAzC1r4cDOEJAAVgBagVCQVNJQ3IIT1ZBS1VTQlYKaAoyCMGCARIEMjI2ORjyXCCjsQEo9v6HAzD1_4cDOEJAAFgBagVCQVNJQ3IIT1ZBS1VTQlYKMgjBggESBDI2NDcYo7EBIJIBKNKAiAMw24KIAzhCQAFYAWoFQkFTSUNyCE9WQUtVU0JWEgoIARABGAEqAkFBGAEiBAgBEAEoAigDKAQwCw) ![Frontier Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/F9.gif) Tue, Apr 14 - Wed, Apr 22 DTW Detroit STL St. Louis CA $230 Roundtrip found 6 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:DTW,to:STL,departure:14/04/2026TANYT&leg2=from:STL,to:DTW,departure:22/04/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:229.70&airProductToken=AQpDCiAIxnISBDQyODYY47QBIMxwKOqrigMwkK2KAzhaQABYAQofCMZyEgQyNjM1GMxwIPJcKLuvigMw47CKAzhaQAFYAQpDCh8IxnISBDI2MzYY8lwgzHAo44eLAzD1iIsDOFpAAFgBCiAIxnISBDMzNjMYzHAg47QBKO-NiwMwnY-LAzhaQAFYARIKCAEQARgBKgJGORgBIgQIARABKAQwAQ) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Mon, Mar 30 - Wed, Apr 1 SEA Seattle STL St. Louis CA $239 Roundtrip found 4 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:SEA,to:STL,departure:30/03/2026TANYT&leg2=from:STL,to:SEA,departure:01/04/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:238.30&airProductToken=AQptCjQIxJgBEgM5NDkYkgEgzHwopoWJAzDwhokDOEVAAFgBaglNQUlOQkFTSUNyCFZBVlNBMEJDCjUIxJgBEgQxNjA5GMx8IPJcKKqHiQMwiYiJAzhFQAFYAWoJTUFJTkJBU0lDcghWQVZTQTBCQwpuCjUIxJgBEgQxNDkyGPJcIPISKJCciQMw0Z2JAzhFQABYAWoJTUFJTkJBU0lDcghWQVZTQTBCQwo1CMSYARIEMjk5OBjyEiCSASjdnokDMOefiQM4RUABWAFqCU1BSU5CQVNJQ3IIVkFWU0EwQkMSCggBEAEYASoCREwYASIECAEQASgCKAMoBDAB) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Sat, Apr 11 - Tue, Apr 14 SEA Seattle STL St. Louis CA $244 Roundtrip found 14 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:SEA,to:STL,departure:11/04/2026TANYT&leg2=from:STL,to:SEA,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:243.94&airProductToken=AQovCi0IwaYBEgM2MTUYkgEg8lwovo2KAzCrj4oDOFhAAFgBagJTVnIIT0gyT1hVQk4SCggBEAEYASoCQVMYASIECAEQASgCKAMoBDAB) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Wed, Mar 11 - Sat, Mar 28 DTW Detroit STL St. Louis CA $298 Roundtrip found 2 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:DTW,to:STL,departure:11/03/2026TANYT&leg2=from:STL,to:DTW,departure:28/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:297.40&airProductToken=AQpFCiEI1YIBEgQ1NTIzGOO0ASCuHCjkq4cDML6shwM4S0AAWAEKIAjVggESBDU1MDgYrhwg8lwow62HAzCerocDOEtAAVgBCkUKIAjVggESBDQ1MzcY8lwgrhwo-OiIAzDS6YgDOEtAAFgBCiEI1YIBEgQ1NzE3GK4cIOO0ASiA6ogDMNrqiAM4S0ABWAESCggBEAEYASoCVUEYASIECAEQASgEMAE) ## Find the cheapest month to fly from Columbus (CMH) to St. Louis (STL) ### October is typically the cheapest month to fly From CA $193 - CA $632 per traveller. Expedia.ca gives you the best tools to secure great deals on flights to Maryland Heights. Use our easy and convenient booking engine to browse nonstop flights and convenient departure points every day of the year. Search airfares from the top airlines to book your perfect flight to Maryland Heights. Whatever your travel needs, you can always rely on Expedia.ca to help you find cheap flights to Maryland Heights. Using our booking engine is simple - just type in your points of travel and preferred dates and Expedia.ca does the rest! If your travel times are flexible, you can find even better bargains by adjusting your flight dates. Browse connecting flights to increase your chances of finding even lower fares. Thanks to Expedia's Best Price Guarantee, you can book your Maryland Heights flights with full confidence knowing that you've found the best deal online. Expedia.ca makes the booking process easy and stress-free by offering support along the entire way. Our friendly staff is available 24 hours a day to provide assistance and help you book your ticket. Call us toll-free at 1-888-397-3342 to answer any questions that you may have about your trip to Maryland Heights. Looking to save even more? Get additional savings by bundling your Maryland Heights flight with a hotel and/or car rental to create a bargain travel package. Early birds can discover terrific savings by booking in advance while last minute travelers can enjoy great last minute deals. With Expedia.ca, there's no shortage of options to save even more on your Maryland Heights trip! ## Frequently asked questions ### What is the name of Maryland Heights' airport? ### How far is Lambert Field from central Maryland Heights? ### What airport is best to fly into Maryland Heights? ### How many airlines fly to Maryland Heights? ### Which airlines fly to Maryland Heights? ### How many nonstop flights are there to Maryland Heights? ### Where are the most popular flights to Maryland Heights departing from? ### How long is the flight to Maryland Heights Airport? ### How to book the cheapest flight to Maryland Heights? ### Do you have any tips for my flight to Maryland Heights? > - Flying can be a cruisy experience if you bring the right stuff. Firstly, you'll want a few basic toiletries, such as a toothbrush and lip balm, a spare pair of socks and a magazine or two. Next, leave space in your bag for your phone, tablet and chargers, your medications and maybe a quality neck pillow too. Last, but definitely not least, remember to bring your passport, travel documents and your bank cards. > > > Do not pack the following items in your hand luggage: > > > - Pack all your full-sized bottles of shampoo and hairspray in your checked baggage. Any liquids in your carry-on bag larger than 3.4 ounces (100 millilitres) will be confiscated. Sharp or pointed objects, like your trusty Swiss Army knife, and products which are explosive or flammable, such as flares, chemicals agents and fireworks, are also prohibited. > > > What to wear on a flight: > > > - Choose comfort over style. Prepare for changes in cabin temperature by layering up, and opt for flat, enclosed footwear like sneakers. > - The result of prolonged periods of inactivity, deep vein thrombosis (DVT) is a blood clot condition that can affect passengers during long-haul flights. Lower your risks by staying hydrated, keeping your lower limbs moving and wearing compression socks or tights. ### How to get through airport security fast when flying to Maryland Heights? > - Airport security personnel first need to determine that you have a valid ID and matching travel documents before anything else. Keep them within easy reach. > - Your belt, jacket, keys and other contents of your pockets, like your earphones, will need to go on a tray through the X-ray machine. Make the whole process easier by removing them as it gets closer to your turn. > - For just a few minutes, you'll need to unplug from technology. Your laptop, phone and any other electronics will need to be sent through the scanner. > - Remove all liquids and gels from your hand luggage. They often need to be sent through the X-ray scanner separately. Each product should be in a container no larger than 3.4 ounces (100 millilitres) and everything must fit in a quart-size (one litre), clear zip-lock bag. > - Choosing your footwear wisely can save you valuable minutes. Hiking or heavy-style boots are often required to be removed and X-rayed separately. Slip-on shoes usually aren't. > - Take all prohibited items out of your carry-on bag. If you have any sharp or pointed objects, put them in your checked baggage. They won't be allowed on board and will be confiscated. __Flights to Maryland Heights information__ | Destination airport | Lambert-St. Louis Intl. | | ----------------------------- | ----------------------- | | Destination airport IATA code | STL | | Destination city name | St. Louis | | Roundtrip price | CA $215 | ## Trending flights to Maryland Heights Prices were available within the past 7 days and start at CA $108 for one-way flights and CA $215 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Sat, Apr 18 - Sat, Apr 18 YVR Vancouver STL St. Louis CA $354 Roundtrip found 3 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YVR,to:STL,departure:18/04/2026TANYT&leg2=from:STL,to:YVR,departure:18/04/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:353.89&airProductToken=AQpvCjYIxJgBEgQzNzIwGLiNASDyEijv1ooDMITYigM4RUAAWAFqCU1BSU5CQVNJQ3IIVkFWU0gzQkMKNQjEmAESBDI0NTUY8hIg8lwot9iKAzDc2YoDOEVAAVgBaglNQUlOQkFTSUNyCFZBVlNIM0JDCm8KNQjEmAESBDE0OTIY8lwg8hIo6NqKAzCu3IoDOEVAAFgBaglNQUlOQkFTSUNyCFZBVlNIM0JDCjYIxJgBEgQzNzE5GPISILiNASiU3YoDMKveigM4RUABWAFqCU1BSU5CQVNJQ3IIVkFWU0gzQkMSCggBEAEYASoCREwYASIECAEQASgCKAMoBDAB) \*Available to Expedia members.