Title: Cheap Flights to Diehlstadt , MO from CA $62 - Expedia.ca ![Default HTG hotel image](https://a.travel-assets.com/travel-assets-manager/fallback-images-brand/bex_flights_v2.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://a.travel-assets.com/travel-assets-manager/fallback-images-brand/bex_flights_v2.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Flights to Diehlstadt , MO from CA $62 [View CA $62 flight on Sun, Mar 8, 2026](https://expedia.ca/Flights-Search?trip=oneway&leg1=from:ORD,to:STL,departure:08/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:61.80&airProductToken=AQozCjEIwYIBEgQzNzM0GK4cIPJcKP-IhwMw0omHAzhCQABYAWoFQkFTSUNyCFNWQUlaTkJaEgoIARABGAEqAkFBGAEiBAgBEAEoAigDKAQwCw) - [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 Diehlstadt](https://expedia.ca/Diehlstadt-Hotels.d553248634983544913.Travel-Guide-Hotels)[Diehlstadt Car Rentals](https://expedia.ca/Car-Rentals-In-Diehlstadt.d553248634983544913.Car-Rental-Guide)[Diehlstadt Vacation Packages](https://expedia.ca/Diehlstadt.d553248634983544913.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:Diehlstadt, Missouri, United States of America,departure:05/03/2026TANYT&leg2=from:Diehlstadt, Missouri, United States of America,to:CMH,departure:12/03/2026TANYT&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:Diehlstadt, Missouri, United States of America,departure:05/03/2026TANYT&leg2=from:Diehlstadt, Missouri, United States of America,to:CMH,departure:12/03/2026TANYT&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:Diehlstadt, Missouri, United States of America,departure:05/03/2026TANYT&leg2=from:Diehlstadt, Missouri, United States of America,to:CMH,departure:12/03/2026TANYT&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:Diehlstadt, Missouri, United States of America,departure:05/03/2026TANYT&leg2=from:Diehlstadt, Missouri, United States of America,to:CMH,departure:12/03/2026TANYT&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:Diehlstadt, Missouri, United States of America,departure:05/03/2026TANYT&leg2=from:Diehlstadt, Missouri, United States of America,to:CMH,departure:12/03/2026TANYT&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:Diehlstadt, Missouri, United States of America,departure:05/03/2026TANYT&leg2=from:Diehlstadt, Missouri, United States of America,to:CMH,departure:12/03/2026TANYT&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:Diehlstadt, Missouri, United States of America,departure:05/03/2026TANYT&leg2=from:Diehlstadt, Missouri, United States of America,to:CMH,departure:12/03/2026TANYT&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 Diehlstadt? Prices were available within the past 7 days and start at CA $62 for one-way flights and CA $131 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) Fri, Mar 27 - Sun, Mar 29 ORD Chicago STL St. Louis CA $131 Roundtrip found 2 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:ORD,to:STL,departure:27/03/2026TANYT&leg2=from:STL,to:ORD,departure:29/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:131.00&airProductToken=AQozCjEIwYIBEgQ0NDYwGK4cIPJcKOTeiAMwv9-IAzhCQABYAWoFQkFTSUNyCE9WQUlZU0JYCjMKMQjBggESBDEyMjMY8lwgrhwo1PSIAzCs9YgDOEJAAFgBagVCQVNJQ3IITldBSVpOQloSCggBEAEYASoCQUEYASIECAEQASgCKAMoBDAL) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Mon, Mar 9 - Tue, Mar 17 ORD Chicago STL St. Louis CA $235 Roundtrip found 2 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:ORD,to:STL,departure:09/03/2026TANYT&leg2=from:STL,to:ORD,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:235.00&airProductToken=AQpECiAIxJgBEgQxMzA2GK4cIMx8KOCZhwMwvZqHAzhFQABYAQogCMSYARIEMTYwORjMfCDyXCiKm4cDMOmbhwM4RUABWAEKRAogCMSYARIEMTYwOBjyXCDMfCiB84cDMOPzhwM4RUAAWAEKIAjEmAESBDM5MzkYzHwgrhwokvSHAzDy9IcDOEVAAVgBEgoIARABGAEqAkRMGAEiBAgBEAEoBDAB) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Mon, Mar 9 - Thu, Mar 12 ORD Chicago STL St. Louis CA $314 Roundtrip found 2 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:ORD,to:STL,departure:09/03/2026TANYT&leg2=from:STL,to:ORD,departure:12/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:313.80&airProductToken=AQohCh8I1YIBEgM2ODQYrhwg8lwoipqHAzDfmocDOEtAAFgBCiIKIAjVggESBDIxMzgY8lwgrhwombaHAzDytocDOEtAAFgBEgoIARABGAEqAlVBGAEiBAgBEAEoBDAB) ![Air Canada](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AC.gif) Thu, Apr 16 - Sat, May 2 YYC Calgary STL St. Louis CA $551 Roundtrip found 3 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YYC,to:STL,departure:16/04/2026TANYT&leg2=from:STL,to:YYC,departure:02/05/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:550.66&airProductToken=AQpFCiAIwYYBEgMxMzIYmBYgmM4BKIzAigMw9sGKAzhHQABYAQohCMGGARIEODg4ORiYzgEg8lwowsKKAzDIw4oDOEdAAVgBCkMKIAjBhgESBDE1NjQY8lwgmF0ouPaLAzDT94sDOEdAAFgBCh8IwYYBEgMzMjUYmF0gmBYo0PiLAzDq-osDOEdAAVgBEgoIARABGAEqAkFDGAEiBAgBEAEoCCgEMAE) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Mon, Mar 16 - Tue, Mar 24 YYZ Toronto STL St. Louis CA $554 Roundtrip found 5 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YYZ,to:STL,departure:16/03/2026TANYT&leg2=from:STL,to:YYZ,departure:24/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:553.60&airProductToken=AQpDCiAIwaYBEgMzOTEYmM4BIJIBKP3mhwMwyumHAzhYQABYAQofCMGmARIDNjE4GJIBIPJcKL_vhwMwq_GHAzhYQAFYAQpDCh8IwaYBEgMzODgY8lwgkgEogsGIAzCTw4gDOFhAAFgBCiAIwaYBEgMzODUYkgEgmM4BKL_JiAMw18uIAzhYQAFYARIKCAEQARgBKgJBUxgBIgQIARABKAQwAQ) ## 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. ![](https://forever.travel-assets.com/flex/flexmanager/images/2026/02/06/expedia-sale-2026-desktop-us-ca.jpg?impolicy=fcrop&w=1400&h=600&q=mediumHigh) ## The Annual Vacation Sale Members save up to 40% on hotels and homes. Plan this year’s big trip and save. [Book now](https://expedia.ca/deals?rfrr=FTG_SPRING_PROMO_) ## Book with confidence Expedia.ca gives you the best tools to secure great deals on flights to Diehlstadt. 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 Diehlstadt. Whatever your travel needs, you can always rely on Expedia.ca to help you find cheap flights to Diehlstadt. 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 Diehlstadt 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 Diehlstadt. Looking to save even more? Get additional savings by bundling your Diehlstadt 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 Diehlstadt trip! ## Travel information | Destination airport | Lambert-St. Louis Intl. | | ----------------------------- | ----------------------- | | Destination airport IATA code | STL | | Destination city name | St. Louis | | Roundtrip price | CA $343 | ## Trending flights to Diehlstadt Prices were available within the past 7 days and start at CA $62 for one-way flights and CA $131 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 $343 Roundtrip found 4 days 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:342.61&airProductToken=AQpFCiEI1YIBEgQxMjMwGLiNASCycSi38YoDMMTyigM4TkAAWAEKIAjVggESBDU3MzkYsnEg8lwonPWKAzCq94oDOE5AAVgBCkUKIAjVggESBDE0MTUY8lwgg2ko4viKAzD7-YoDOE5AAFgBCiEI1YIBEgQyNDMyGINpILiNASjX-ooDMJL8igM4TkABWAESCggBEAEYASoCVUEYASIECAEQASgEMAE) \*Available to Expedia members.