Title: $33 Cheap Flights to Elsah, IL - Expedia.com ![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) # $33 Cheap Flights to Elsah, IL [View $33 flight on Wed, May 13, 2026](https://expedia.com/Flights-Search?trip=oneway&leg1=from:ATL,to:STL,departure:5/13/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:32.98&airProductToken=AQowCi4IxnISBDQ0NzMY4Fwg8lwouO6MAzCm74wDOEVAAFgBagRQQ18xcgdLMjFYWFMyEgwIARABGAEqAkY5MgAYASIECAEQASgCKAMwDQ) [Elsah Travel Guide](https://expedia.com/Elsah.dx101548)[Hotels in Elsah](https://expedia.com/Elsah-Hotels.d101548.Travel-Guide-Hotels)[Car Rentals in Elsah](https://expedia.com/Car-Rentals-In-Elsah.d101548.Car-Rental-Guide)[Elsah Vacation Packages](https://expedia.com/Elsah.d101548.Destination-Travel-Guides) ## Popular airlines to Elsah - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines [](https://www.expedia.com/Flights-Search?leg1=from:CMH,to:Elsah, Illinois, United States of America,departure:3/24/2026TANYT&leg2=from:Elsah, Illinois, United States of America,to:CMH,departure:3/31/2026TANYT&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.com/Flights-Search?leg1=from:CMH,to:Elsah, Illinois, United States of America,departure:3/24/2026TANYT&leg2=from:Elsah, Illinois, United States of America,to:CMH,departure:3/31/2026TANYT&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.com/Flights-Search?leg1=from:CMH,to:Elsah, Illinois, United States of America,departure:3/24/2026TANYT&leg2=from:Elsah, Illinois, United States of America,to:CMH,departure:3/31/2026TANYT&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.com/Flights-Search?leg1=from:CMH,to:Elsah, Illinois, United States of America,departure:3/24/2026TANYT&leg2=from:Elsah, Illinois, United States of America,to:CMH,departure:3/31/2026TANYT&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.com/Flights-Search?leg1=from:CMH,to:Elsah, Illinois, United States of America,departure:3/24/2026TANYT&leg2=from:Elsah, Illinois, United States of America,to:CMH,departure:3/31/2026TANYT&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.com/Flights-Search?leg1=from:CMH,to:Elsah, Illinois, United States of America,departure:3/24/2026TANYT&leg2=from:Elsah, Illinois, United States of America,to:CMH,departure:3/31/2026TANYT&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.com/Flights-Search?leg1=from:CMH,to:Elsah, Illinois, United States of America,departure:3/24/2026TANYT&leg2=from:Elsah, Illinois, United States of America,to:CMH,departure:3/31/2026TANYT&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 OneKeyCash [Learn about One Key](https://www.expedia.com/welcome-one-key) ## Today's featured flight deals to Elsah Nonstop Carry-on included Lower price than typical - Columbus (CMH)St. Louis (STL) Wed, Apr 1 Sat, Apr 4 ![Southwest Airlines](https://a.travel-assets.com/air/airlines/wn_sq.svg)Southwest Airlines • Nonstop --- 3-day trip found 5 hours ago 40% less than typical $260 [](https://www.expedia.com/Flights-Search?leg1=from:CMH,to:STL,departure:4/1/2026TANYT&leg2=from:STL,to:CMH,departure:4/4/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&airOfferToken=v5-sos-499022361d2c4458b0cb66e440ef374d-1869-1-st-v5-sos-499022361d2c4458b0cb66e440ef374d-1818-1~9.S.1~AQoCCAESBwjUBBABGAEoAlgCcABwAHoDYmZzegNiZnOIAe7Ejl2qAQcKA0NNSBAAsgEHCgNTVEwQAA~AQowCi4I15wBEgQxOTcwGII7IPJcKL6WiQMwnZeJAzhGQABYAWoDV0dBcgdGWE5WTjJEEgoIARABGAEqAldOGAEiBAgBEAEoAigDKAQwAQ.AQpwCjYIxJgBEgQxNjI2GPJcIOO0ASi0uIkDMJO5iQM4RUAAWAFqCU1BSU5CQVNJQ3IIWEFWU0E2QkMKNgjEmAESBDM2NTQY47QBIII7KN26iQMwmruJAzhFQAFYAWoJTUFJTkJBU0lDcghYQVZTQTZCQxIKCAEQARgBKgJETBgBIgQIARABKAIoAygEMAE&medianPrice=572.00&displayPrice=259.59&src=dflp) - Columbus (CMH)St. Louis (STL) Mon, Apr 6 Fri, Apr 10 ![Southwest Airlines](https://a.travel-assets.com/air/airlines/wn_sq.svg)Southwest Airlines • Nonstop --- 4-day trip found 18 hours ago 30% less than typical $245 [](https://www.expedia.com/Flights-Search?leg1=from:CMH,to:STL,departure:4/6/2026TANYT&leg2=from:STL,to:CMH,departure:4/10/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&airOfferToken=v5-sos-a861443bb43a4f52867f5b918bfba404-1527-1~8.S.1~AQoCCAESBwjUBBABGAEoAlgCcAB6A2Jmc4gB-9mLXaoBBwoDQ01IEACyAQcKA1NUTBAA~AQowCi4I15wBEgQzODA4GII7IPJcKPTUiQMw09WJAzhGQABYAWoDV0dBcgdGWE5WTjJECjAKLgjXnAESBDMwNTkY8lwggjsotYKKAzCFg4oDOEZAAFgBagNXR0FyB0ZYTlZOMkQSCggBEAEYASoCV04YASIECAEQASgCKAMoBDAB&medianPrice=448.00&displayPrice=244.79&src=dflp) - Columbus (CMH)St. Louis (STL) Tue, Mar 31 Wed, Apr 8 ![Southwest Airlines](https://a.travel-assets.com/air/airlines/wn_sq.svg)Southwest Airlines • Nonstop --- 7-day trip found 18 hours ago 30% less than typical $245 [](https://www.expedia.com/Flights-Search?leg1=from:CMH,to:STL,departure:3/31/2026TANYT&leg2=from:STL,to:CMH,departure:4/8/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&airOfferToken=v5-sos-8ad50dbeddfc4eccb7d68f26299bc5e5-1890-1~9.S.1~AQoCCAESBwjUBBABGAEoAlgCcAB6A2Jmc4gB6-KLXaoBBwoDQ01IEACyAQcKA1NUTBAA~AQowCi4I15wBEgQzODA4GII7IPJcKP2QiQMw3JGJAzhGQABYAWoDV0dBcgdGWE5WTjJECi8KLQjXnAESAzc1NxjyXCCCOyiT54kDMOjniQM4RkAAWAFqA1dHQXIHRlhOVk4yRBIKCAEQARgBKgJXThgBIgQIARABKAIoAygEMAE&medianPrice=442.00&displayPrice=244.79&src=dflp) ## How much is the cheapest flight to Elsah? Prices were available within the past 7 days and start at $33 for one-way flights and $66 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ![Frontier Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/F9.gif) Tue, Mar 31 - Tue, Apr 7 ATL Atlanta STL St. Louis $66 Roundtrip found 7 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:ATL,to:STL,departure:3/31/2026TANYT&leg2=from:STL,to:ATL,departure:4/7/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:65.96&airProductToken=AQowCi4IxnISBDQ0NzMY4Fwg8lwotYyJAzCkjYkDOEVAAFgBagRQQ18xcgdLMjFFWFMyCjAKLgjGchIENDQ3NBjyXCDgXCi13IkDMJ_diQM4RUAAWAFqBFBDXzFyB0syMUVYUzISCggBEAEYASoCRjkYASIECAEQASgCKAMwDQ) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Wed, Apr 8 - Wed, Apr 15 ATL Atlanta STL St. Louis $177 Roundtrip found 14 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:ATL,to:STL,departure:4/8/2026TANYT&leg2=from:STL,to:ATL,departure:4/15/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:176.80&airProductToken=AQo3CjUIxJgBEgQxNDAzGOBcIPJcKOPsiQMwyu2JAzhFQABYAWoJTUFJTkJBU0lDcghWQVZTQzJCQxIKCAEQARgBKgJETBgBIgQIARABKAIoAygEMAE) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Tue, Apr 14 - Wed, Apr 15 ATL Atlanta STL St. Louis $192 Roundtrip found 17 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:ATL,to:STL,departure:4/14/2026TANYT&leg2=from:STL,to:ATL,departure:4/15/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:191.91&airProductToken=AQpvCjUI1YIBEgM1MjEY4FwgiDgo7ayKAzCBrooDOE5AAFgBagoxX2Jhc2ljZWNvcghLQVUyQUtCUwo2CNWCARIEMTY0MBiIOCDyXCiwr4oDMLCwigM4TkAAWAFqCjFfYmFzaWNlY29yCEtBVTJBS0JTCnAKNgjVggESBDQ2MDgY8lwgrhwokrSKAzDrtIoDOE5AAFgBagoxX2Jhc2ljZWNvcghLQVUyQUtCUwo2CNWCARIEMjIyNRiuHCDgXCi3tYoDMLS2igM4TkAAWAFqCjFfYmFzaWNlY29yCEtBVTJBS0JTEgoIARABGAEqAlVBGAEiBAgBEAEoAigDKAQwCw) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Sat, Apr 11 - Tue, Apr 21 SEA Seattle STL St. Louis $217 Roundtrip found 4 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:SEA,to:STL,departure:4/11/2026TANYT&leg2=from:STL,to:SEA,departure:4/21/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:216.80&airProductToken=AQoyCjAIwaYBEgM2MTUYkgEg8lwovo2KAzCrj4oDOFhAAFgBagVTQVZFUnIIT0gyT1hVQk4KMgowCMGmARIDMzg4GPJcIJIBKIL8igMwk_6KAzhYQABYAWoFU0FWRVJyCE9IMk9YVUJOEgoIARABGAEqAkFTGAEiBAgBEAEoAigDKAQwDQ) ![Air Excursions LLC](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/x4.gif) Wed, Apr 1 - Wed, Apr 8 BFI Seattle STL St. Louis $2,580 Roundtrip found 6 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:BFI,to:STL,departure:4/1/2026TANYT&leg2=from:STL,to:BFI,departure:4/8/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:2579.90&airProductToken=AQqYAQooCNhoEgQzMTA4GKFBIO-4ASjjl4kDMJWYiQM4V0AAWAFyBldBMDBETgovCMGmARIDMzkyGO-4ASCjsQEov5mJAzCqm4kDOFlAAVgBagJQTXIIWUgwT0FLTVIKOwjBpgESBDY1NDIYo7EBIPJcKPObiQMw3ZyJAzhCQAFYAWoCUE1yCFlIME9BS01SegoIwYIBEgQyMjQ2CpYBCjoIwaYBEgQ2NDgxGPJcIK4cKMLmiQMwmueJAzhCQABYAWoCUE1yCFlIME9BS01SegoIwYIBEgQ0MTM1Ci4IwaYBEgMzMjUYrhwg77gBKP3oiQMwluuJAzhZQAFYAWoCUE1yCFlIME9BS01SCigI2GgSBDMxMDcY77gBIKFBKInsiQMwu-yJAzhXQAFYAXIGV0EwMEROEgoIARABGAEqAkFTGAEiBAgBEAEoAigDKAQwAQ) ## Alternative airports near Elsah Prices were available within the past 7 days. Prices and availability are subject to change. [](https://www.expedia.com/Flights-Search?leg1=from:CMH,to:STL,departure:3/24/2026TANYT&leg2=from:STL,to:CMH,departure:3/25/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) STL Lambert-St. Louis Intl. CheapestClosest 56 min [Flights from $235 ](https://www.expedia.com/Flights-Search?leg1=from:CMH,to:STL,departure:3/24/2026TANYT&leg2=from:STL,to:CMH,departure:3/25/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) ![](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.com/deals?rfrr=FTG_SPRING_PROMO_) ## Frequently asked questions ### What month is the cheapest to fly to Elsah? ### Which US cities have the cheapest flights to Elsah? > - Burlington (BRL, BTV) > - Quincy (UIN) > - Chicago (MDW, ORD) > - St. Louis (STL) > - Waco (ACT) > > > with fares typically starting around $29. ### Which US cities fly direct to Elsah? > - New York (JFK, LGA) > - Denver (DEN) > - Dallas (DAL, DFW) > - Newark (EWR) > - Houston (HOU, IAH) > > > To Abraham Lincoln Capital (SPI) > - Chicago (ORD) > - Orlando (MCO) > > > To UIN > - Chicago (ORD) > - St. Louis (STL) ### How to find a cheap flight to Elsah? ### Which airlines fly to Elsah? > - Alaska Airlines > - American Airlines > - Delta > - Delta Air Lines > - Frontier Airlines > - Spirit Airlines > - United ### Where do you fly into Elsah? > - The closest major airport is St. Louis, MO (STL-Lambert-St. Louis Intl.), about 15 miles from the city center, which is a hub for American Airlines, WN, and United, with other airlines like Delta, Frontier Airlines also operating here. > - Springfield, IL (SPI-Abraham Lincoln Capital) is another option, about 78 miles away, serving as a hub for American Airlines, MQ, and MX, with British Airways also operating here. > - Quincy, IL (UIN-Quincy Regional-Baldwin Field), about 89 miles away, serving as a hub for Contour Airlines. ### What is the cheapest airport to fly to in Elsah? ### Which budget airlines fly to Elsah? > - Southwest Airlines: flies to St. Louis (STL) > - Frontier Airlines: flies to St. Louis (STL) > - Spirit Airlines: flies to St. Louis (STL) > - WestJet: flies to St. Louis (STL) > - Breeze: flies to Springfield (SPI) > - Sun Country Airlines: flies to St. Louis (STL) > - GOL Linhas Aereas Inteligentes: flies to St. Louis (STL) > - GOL Linhas Aereas S.A.: flies to St. Louis (STL) ### What is the best month to visit Elsah? ### How far in advance should I book a flight to Elsah? ### What day of the week is cheapest day to buy a plane ticket to Elsah? ### What is the most expensive month to fly to Elsah? ### What public holidays or seasonal events might make flights to Elsah more expensive? ### How far is the airport from central Elsah? ### How can I track flight prices to Elsah? ### How to get a cheap last-minute flight to Elsah? ### Can I earn miles booking a flight to Elsah with Expedia? ### Can I save money by booking a Elsah trip package? ### Can I change or cancel my flight to Elsah? \*Flight schedules are subject to change. ## Book with confidence # Tips to find the cheapest flights to Elsah **The cheapest day to fly** Get started finding a cheap flight to Elsah on Expedia by either choosing a deal on this page or entering into the search bar your travel dates, origin airport, and whether you want roundtrip or one-way airfare. You can filter for flexibility, number of stops, airline, and departure/arrival times to find the best flight for you. **The cheapest month to fly** March is the cheapest month to fly to Elsah. This coincides with the low season when fewer people travel. Whichever month you travel in, though, be sure to book at least a month in advance if you want to score cheap tickets to Elsah. ARC's data shows that domestic flights booked 28 days or more before departure are typically 24% cheaper than those booked last minute. **The most affordable time to book a flight** Typically, a Sunday can be the cheapest time to book a flight to Elsah, according to ARC’s data. On average, you could save between 6% and 13% by booking on a Sunday instead of a Friday, which is the most expensive day to make a reservation. **The cheapest round-trip tickets to Elsah** The lowest price for round-trip flights to Elsah in 2026 starts from from $66, while one-way tickets start from from $33\. Expedia's effective search tool is one of the best ways to find a budget airfare. Simply enter your dates, and within seconds, it'll show you a vast selection of the cheapest flights to Elsah. If you have a preferred departure time or airline, you can use the handy filters to customize your search. **The cheapest airlines flying to Elsah** Frontier Airlines, Delta, Southwest Airlines, United, American Airlines, Alaska Airlines, Air Excursions LLC are just some of the airlines that can typically offer cheap tickets to Elsah. You can find their most affordable flights by using the “airline” search filter and then sorting prices from low to high. As a trusted partner of the world's leading airlines, Expedia offers you some of the best airfare deals to Elsah and countless more destinations worldwide. **The most affordable airports to fly into** To view the cheapest airports to fly into for Elsah, simply order your search results from lowest to highest price. Expedia's search tool compares flight prices for all airports close to your destination, so you don't have to manually search them one by one to find the cheapest flight to Elsah. If you have a preferred place to fly into, take advantage of the “arrival airport” filter to narrow down your search on Expedia. **Save with a package** With Expedia's amazing [package deals](https://www.expedia.com/package-deals), you could save hundreds of dollars by booking your Elsah plane tickets together with your accommodations, car rental, or activities. Just select the search wizard's “package” option to view some of the cheapest deals. Look out for the green savings label to see how much you're saving. **Date flexibility for the cheapest flights to Elsah** If you can be flexible with your travel dates, it's a good idea to broaden your search by comparing prices on different days. This will open up more options, meaning you could uncover a less expensive flight to Elsah. **Stopover savings** The cheapest tickets to Elsah are sometimes those with a stopover. Book one of these flights, and you'll change planes at an airport en route to Elsah. While the overall travel time might be longer than a non-stop flight, you may decide it's worth it for the money saved. **Get Expedia's Price Drop Protection** Price Drop Protection means that if your flight gets cheaper after booking, you'll be credited the difference\*. This gives you peace of mind that you're getting one of the cheapest flights to Elsah for your chosen departure. Expedia's Price Drop Protection is available for a small fee but is free to One Key Gold and Platinum tier members. \*Terms apply. **Use our Price Tracking feature** Expedia's Price Tracking feature is another great tool that removes the guesswork from finding cheap flights to Elsah. Simply download the free Expedia app to your smart device and activate Elsah flight price alerts for your travel dates. There's even a price predictor tool that uses historical data to indicate the best time to book, giving you peace of mind that you'll nab the lowest prices. **Book with Expedia** As well as Price Drop Protection and Price Tracking, Expedia's close partnership with a vast selection of the world's leading airlines means you're sure to find cheap flights to Elsah. Plus, the One Key rewards program lets you earn real cash rewards on most bookings that you can use to save money on future trips. Best of all, it's free to join, and members often unlock exclusive discounts, too. Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023\. The percentages you see are averages. ## Travel information | Destination airport | Lambert-St. Louis Intl. | | ----------------------------- | ----------------------- | | Destination airport IATA code | STL | | Destination city name | St. Louis | | Roundtrip price | $66 | ## Trending flights to Elsah Prices were available within the past 7 days and start at $33 for one-way flights and $66 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ![Frontier Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/F9.gif) Tue, Mar 31 - Tue, Apr 7 ATL Atlanta STL St. Louis $66 Roundtrip found 7 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:ATL,to:STL,departure:3/31/2026TANYT&leg2=from:STL,to:ATL,departure:4/7/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:65.96&airProductToken=AQowCi4IxnISBDQ0NzMY4Fwg8lwotYyJAzCkjYkDOEVAAFgBagRQQ18xcgdLMjFFWFMyCjAKLgjGchIENDQ3NBjyXCDgXCi13IkDMJ_diQM4RUAAWAFqBFBDXzFyB0syMUVYUzISCggBEAEYASoCRjkYASIECAEQASgCKAMwDQ) \*Available to One Key members.