Title: Cheap Flights to Weldon Spring Heights , MO from CA $108 - Expedia.ca ![Lodging Image](https://a.travel-assets.com/travel-assets-manager/bex-affinities/lodging.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://a.travel-assets.com/travel-assets-manager/bex-affinities/lodging.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Flights to Weldon Spring 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 [Hotels in Weldon Spring Heights](https://expedia.ca/Weldon-Spring-Heights-Hotels.d6252562.Travel-Guide-Hotels)[Weldon Spring Heights Car Rentals](https://expedia.ca/Car-Rentals-In-Weldon-Spring-Heights.d6252562.Car-Rental-Guide)[Weldon Spring Heights Vacation Packages](https://expedia.ca/Weldon-Spring-Heights.d6252562.Destination-Travel-Guides) ## Popular 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:CMH,to:Weldon Spring Heights, Missouri, United States of America,departure:21/02/2026TANYT&leg2=from:Weldon Spring 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:Weldon Spring Heights, Missouri, United States of America,departure:21/02/2026TANYT&leg2=from:Weldon Spring 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:Weldon Spring Heights, Missouri, United States of America,departure:21/02/2026TANYT&leg2=from:Weldon Spring 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:Weldon Spring Heights, Missouri, United States of America,departure:21/02/2026TANYT&leg2=from:Weldon Spring 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:Weldon Spring Heights, Missouri, United States of America,departure:21/02/2026TANYT&leg2=from:Weldon Spring 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:Weldon Spring Heights, Missouri, United States of America,departure:21/02/2026TANYT&leg2=from:Weldon Spring 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:Weldon Spring Heights, Missouri, United States of America,departure:21/02/2026TANYT&leg2=from:Weldon Spring 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\* - ![](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) ## How much is the cheapest flight to Weldon Spring 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 ![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 Weldon Spring 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 Weldon Spring Heights. Whatever your travel needs, you can always rely on Expedia.ca to help you find cheap flights to Weldon Spring 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 Weldon Spring 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 Weldon Spring Heights. Looking to save even more? Get additional savings by bundling your Weldon Spring 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 Weldon Spring Heights trip! ## Frequently asked questions ### What is the name of Weldon Spring Heights' airport? ### How far is STL from central Weldon Spring Heights? ### What airport is best to fly into Weldon Spring Heights? ### How many airlines fly to Weldon Spring Heights? ### Which airlines fly to Weldon Spring Heights? ### How many nonstop flights are there to Weldon Spring Heights? ### Where are the most popular flights to Weldon Spring Heights departing from? ### How long is the flight to Weldon Spring Heights Airport? ### How to book the cheapest flight to Weldon Spring Heights? ### Do you have any tips for my flight to Weldon Spring Heights? > - The secret to having an amazing travel experience is to plan ahead. Start with the essentials: passport, official ID, cash and daily medications. Next, take on board items that'll help keep you occupied, like some electronic devices or a juicy novel. It's also smart to pack your chargers, a comfy neck pillow and a pair of noise-cancelling headphones. And of course, don't forget to pop in toiletries like a toothbrush, lip balm and a spare set of clothes. > > > Do not pack the following items in your hand luggage: > > > - While the list of banned items differs between airlines, the general guide to follow is avoid carrying anything sharp, flammable or explosive. This includes things like screwdrivers, blades, spray paint and flares. Sports equipment like bows and arrows, and items that could harm other people, such as pepper spray and guns, won't be allowed on board either. > > > What to wear on a flight: > > > - Your main priority is to feel as comfortable as you can. Choose flat, closed-toe shoes, dress in loose, natural-fibre clothing and don't forget to take a jacket in case it gets cold in the cabin. > - Most travellers have heard about deep vein thrombosis (DVT), a blood clot condition caused by long periods of sitting. To lessen your risk on board, stay hydrated, consider wearing compression socks or tights and do gentle foot and leg exercises in your seat. ### How to get through airport security fast when flying to Weldon Spring Heights? > - Your boarding pass and travel ID will need to be presented to airport security. Have them easily accessible so you don't have to dig around for them. > - After that, both you and your carry-on bag must be X-rayed. To speed things up, take off anything that might trigger the alarms. Items like your belt, jacket and headphones will be required to go through the machine. > - Your electronic devices like laptops and phones will also have to go through the machine for inspection. Don't worry, you'll be back online in no time. > - Remember to remove liquids and gels from your hand luggage. They usually need to be sent through the X-ray scanner separately. Each product should be no larger than 3.4 ounces (100 millilitres) and everything must fit in a quart-size (one litre), clear zip-close bag. > - It's also likely that you'll be asked to take your shoes off for scanning, so wearing lightweight sneakers is always a wise idea. > - Airlines will not allow any sharp objects in your carry-on baggage. If you need to bring these kinds of items, pack them in your checked luggage. __Flights to Weldon Spring 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 Weldon Spring 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.