Title: Cheap Flights to Imperial , MO from CA $108 - Expedia.ca ![Downtown St Louis MO with the Old Courthouse and the Gateway Arch at sunset](https://images.trvl-media.com/place/6354579/7bb0b97b-8f8e-416a-8572-4af63c1423f6.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/6354579/7bb0b97b-8f8e-416a-8572-4af63c1423f6.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Flights to Imperial , 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 Flight 1 Leaving from Going to Departing Flight 2 Leaving from Going to Departing [Hotels in Imperial](https://expedia.ca/Imperial-Hotels.d6354579.Travel-Guide-Hotels)[Imperial Car Rentals](https://expedia.ca/Car-Rentals-In-Imperial.d6354579.Car-Rental-Guide)[Imperial Vacation Packages](https://expedia.ca/Imperial.d6354579.Destination-Travel-Guides) ## Popular airlines to Imperial - ![](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:Imperial, Missouri, United States of America,departure:23/02/2026TANYT&leg2=from:Imperial, Missouri, United States of America,to:CMH,departure:02/03/2026TANYT&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:Imperial, Missouri, United States of America,departure:23/02/2026TANYT&leg2=from:Imperial, Missouri, United States of America,to:CMH,departure:02/03/2026TANYT&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:Imperial, Missouri, United States of America,departure:23/02/2026TANYT&leg2=from:Imperial, Missouri, United States of America,to:CMH,departure:02/03/2026TANYT&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:Imperial, Missouri, United States of America,departure:23/02/2026TANYT&leg2=from:Imperial, Missouri, United States of America,to:CMH,departure:02/03/2026TANYT&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:Imperial, Missouri, United States of America,departure:23/02/2026TANYT&leg2=from:Imperial, Missouri, United States of America,to:CMH,departure:02/03/2026TANYT&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:Imperial, Missouri, United States of America,departure:23/02/2026TANYT&leg2=from:Imperial, Missouri, United States of America,to:CMH,departure:02/03/2026TANYT&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:Imperial, Missouri, United States of America,departure:23/02/2026TANYT&leg2=from:Imperial, Missouri, United States of America,to:CMH,departure:02/03/2026TANYT&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 Imperial? Prices were available within the past 7 days and start at CA $108 for one-way flights and CA $216 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) Tue, Mar 24 - Tue, Apr 14 SEA Seattle STL St. Louis CA $216 Roundtrip found 4 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:SEA,to:STL,departure:24/03/2026TANYT&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:215.70&airProductToken=AQpoCjIIwYIBEgQxNjY3GJIBIKOxASjYvYgDMMq_iAM4QkAAWAFqBUJBU0lDcghPVkFLVVNCVgoyCMGCARIEMjI2ORijsQEg8lwo6sCIAzDVwYgDOEJAAVgBagVCQVNJQ3IIT1ZBS1VTQlYKZgoxCMGCARIENjE5MBjyXCCuHCifr4oDMICwigM4QkAAWAFqBUJBU0lDcghPVkFLVVNCVgoxCMGCARIEMTI4OBiuHCCSASijsIoDMLeyigM4QkABWAFqBUJBU0lDcghPVkFLVVNCVhIKCAEQARgBKgJBQRgBIgQIARABKAIoAygEMAs) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Sat, Apr 11 - Tue, Apr 14 SEA Seattle STL St. Louis CA $232 Roundtrip found 8 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:231.09&airProductToken=AQptCjQIxJgBEgM5NDMYkgEgzHwo7IeKAzC3iYoDOEVAAFgBaglNQUlOQkFTSUNyCFZBVlNBMEJDCjUIxJgBEgQzOTIxGMx8IPJcKImKigMw7IqKAzhFQAFYAWoJTUFJTkJBU0lDcghWQVZTQTBCQxIKCAEQARgBKgJETBgBIgQIARABKAIoAygEMAE) ![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 $246 Roundtrip found 8 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:245.85&airProductToken=AQovCi0IwaYBEgM2MTUYkgEg8lwovo2KAzCrj4oDOFhAAFgBagJTVnIIT0gyT1hVQk4SCggBEAEYASoCQVMYASIECAEQASgCKAMoBDAB) ![Hawaiian Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/HA.gif) Thu, Mar 12 - Thu, Mar 19 SEA Seattle STL St. Louis CA $298 Roundtrip found 4 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:SEA,to:STL,departure:12/03/2026TANYT&leg2=from:STL,to:SEA,departure:19/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:297.20&airProductToken=AQoiCiAIyIIBEgQ2OTM5GJIBIPJcKIO8hwMw672HAzhVQABYAQoiCiAIyIIBEgQ3MTI2GPJcIJIBKICJiAMwkYuIAzhVQABYARIKCAEQARgBKgJIQRgBIgQIARABKAQwAQ) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Mon, Apr 20 - Tue, Apr 21 YVR Vancouver STL St. Louis CA $344 Roundtrip found 1 hour ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YVR,to:STL,departure:20/04/2026TANYT&leg2=from:STL,to:YVR,departure:21/04/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:343.31&airProductToken=AQpFCiEI1YIBEgQxMDgzGLiNASCycSis84oDML70igM4TkAAWAEKIAjVggESBDU3MzkYsnEg8lwonPWKAzCq94oDOE5AAVgBCkUKIAjVggESBDE0MTUY8lwgg2ko4viKAzD7-YoDOE5AAFgBCiEI1YIBEgQyNDMyGINpILiNASjX-ooDMJL8igM4TkABWAESCggBEAEYASoCVUEYASIECAEQASgEMAE) ## 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 Imperial. 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 Imperial. Whatever your travel needs, you can always rely on Expedia.ca to help you find cheap flights to Imperial. 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 Imperial 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 Imperial. Looking to save even more? Get additional savings by bundling your Imperial 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 Imperial trip! ## Frequently asked questions ### What is the name of Imperial's airport? ### How far is Lambert-St. Louis Intl. Airport (STL) from central Imperial? ### What airport is best to fly into Imperial? ### How many airlines fly to Imperial? ### Which airlines fly to Imperial? ### How many nonstop flights are there to Imperial? ### Where are the most popular flights to Imperial departing from? ### How long is the flight to Imperial Airport? ### How to book the cheapest flight to Imperial? ### Do you have any tips for my flight to Imperial? > - First things first, put in your passport, important documents, wallet and medications. Next, you'll need some in-flight entertainment to while away the hours. A thrilling novel and a laptop crammed with your favourite shows are some terrific options. If you hope to take a short nap, a neck pillow and some earplugs will also be useful. Finally, find room for a few toiletry items so you'll step off the plane looking fresh and ready to go. > > > Do not pack the following items in your hand luggage: > > > - Double-check that you don't have a pocket knife lurking in one of the zippers of your hand luggage. Other banned items include flammable or explosive products, such as aerosol cans and fuel, and gels and liquids in containers with a capacity of more than 3.4 ounces (100 millilitres). > > > What to wear on a flight: > > > - Your main priority is to be as comfortable as you can. Opt for shoes that are easy to pull on and off, dress in loose, natural-fibre clothing and remember to bring a sweater in case it gets chilly in the cabin. > - Most of us have heard about deep vein thrombosis (DVT), a blood clotting condition caused by prolonged periods of sitting. To reduce your risk on board, drink plenty of water, consider wearing compression tights or socks and keep your legs and feet moving. ### How to get through airport security fast when flying to Imperial? > - First things first. Your ID and travel documents will need to be shown to security personnel. Have them easily accessible so you don't hold up the line. > - Next up, both you and your hand luggage must be X-rayed. To speed things up, remove anything that is likely to trigger the alarm. Items like your belt, coat and headphones will be required to go through the machine. > - All your electronic gadgets, including your laptop and phone, will also need to be separately scanned. > - Any liquids or gels, such as shampoo or hairspray, that you want to take on board must be no greater than 3.4 ounces (100 millilitres). Also, everything must fit inside a quart-size (one litre), clear zip-close bag. > - There's a good chance you'll be required to remove your shoes for scanning, so wearing lightweight sneakers is always a smart idea. > - 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 in the cabin. __Flights to Imperial information__ | Destination airport | Lambert-St. Louis Intl. | | ----------------------------- | ----------------------- | | Destination airport IATA code | STL | | Destination city name | St. Louis | | Roundtrip price | CA $216 | ## Trending flights to Imperial Prices were available within the past 7 days and start at CA $108 for one-way flights and CA $216 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Mon, Apr 20 - Tue, Apr 21 YVR Vancouver STL St. Louis CA $344 Roundtrip found 1 hour ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YVR,to:STL,departure:20/04/2026TANYT&leg2=from:STL,to:YVR,departure:21/04/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:343.31&airProductToken=AQpFCiEI1YIBEgQxMDgzGLiNASCycSis84oDML70igM4TkAAWAEKIAjVggESBDU3MzkYsnEg8lwonPWKAzCq94oDOE5AAVgBCkUKIAjVggESBDE0MTUY8lwgg2ko4viKAzD7-YoDOE5AAFgBCiEI1YIBEgQyNDMyGINpILiNASjX-ooDMJL8igM4TkABWAESCggBEAEYASoCVUEYASIECAEQASgEMAE) \*Available to Expedia members.