Title: Cheap Flights to Frontenac - Expedia.co.uk ![Autumn Trees](https://images.trvl-media.com/place/7960/d3708a1a-ec70-45ac-9598-a9f965653939.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/7960/d3708a1a-ec70-45ac-9598-a9f965653939.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # £181 Cheap Flights to Frontenac [View £181 flight on Sun, 7 Jun 2026](https://expedia.co.uk/Flights-Search?trip=oneway&leg1=from:BOS,to:STL,departure:07/06/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:180.30&airProductToken=AQpxCjcIxJgBEgQxMDE5GMGTASDjtAEouoePAzDAiI8DOEVAAFgBaglNQUlOQkFTSUNyCFhBV05BMEJDCjYIxJgBEgQyODY4GOO0ASDyXCiCiY8DMOaJjwM4RUABWAFqCU1BSU5CQVNJQ3IIWEFXTkEwQkMSCggBEAEYASoCREwYASIECAEQASgCKAMoBDAB) [Hotels in Frontenac](https://expedia.co.uk/Frontenac-Hotels.d7960.Travel-Guide-Hotels)[Frontenac Car Hire](https://expedia.co.uk/Compare-Cheap-Car-Hire-In-Frontenac.d7960.Car-Hire-Guide)[Frontenac Holidays](https://expedia.co.uk/Frontenac.d7960.Holidays-City-Breaks) ## Popular airlines to Frontenac - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines [](https://www.expedia.co.uk/Flights-Search?leg1=from:CMH,to:Frontenac, Missouri, United States of America,departure:08/04/2026TANYT&leg2=from:Frontenac, Missouri, United States of America,to:CMH,departure:15/04/2026TANYT&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.co.uk/Flights-Search?leg1=from:CMH,to:Frontenac, Missouri, United States of America,departure:08/04/2026TANYT&leg2=from:Frontenac, Missouri, United States of America,to:CMH,departure:15/04/2026TANYT&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.co.uk/Flights-Search?leg1=from:CMH,to:Frontenac, Missouri, United States of America,departure:08/04/2026TANYT&leg2=from:Frontenac, Missouri, United States of America,to:CMH,departure:15/04/2026TANYT&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.co.uk/Flights-Search?leg1=from:CMH,to:Frontenac, Missouri, United States of America,departure:08/04/2026TANYT&leg2=from:Frontenac, Missouri, United States of America,to:CMH,departure:15/04/2026TANYT&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.co.uk/Flights-Search?leg1=from:CMH,to:Frontenac, Missouri, United States of America,departure:08/04/2026TANYT&leg2=from:Frontenac, Missouri, United States of America,to:CMH,departure:15/04/2026TANYT&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.co.uk/Flights-Search?leg1=from:CMH,to:Frontenac, Missouri, United States of America,departure:08/04/2026TANYT&leg2=from:Frontenac, Missouri, United States of America,to:CMH,departure:15/04/2026TANYT&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.co.uk/Flights-Search?leg1=from:CMH,to:Frontenac, Missouri, United States of America,departure:08/04/2026TANYT&leg2=from:Frontenac, Missouri, United States of America,to:CMH,departure:15/04/2026TANYT&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 25% 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.co.uk/login) ## Cheap round-trip flights to Frontenac Prices were available within the past 7 days and start at £181 for one-way flights and £253 for round trip, for the period specified. Be sure to select the 'Direct flights only' box above if you are looking for a non stop route. Prices and availability are subject to change. Additional terms apply. All deals One way Return ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Tue, 9 Jun - Wed, 10 Jun BOS Boston STL St. Louis £253 Return found 6 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:BOS,to:STL,departure:09/06/2026TANYT&leg2=from:STL,to:BOS,departure:10/06/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:253.00&airProductToken=AQpHCiIIxJgBEgQxMDE5GMGTASDjtAEo-p2PAzCAn48DOEVAAFgBCiEIxJgBEgQyODY4GOO0ASDyXCjCn48DMKagjwM4RUABWAEKRwohCMSYARIEMTM3MRjyXCDjtAEo5q2PAzDBro8DOEVAAFgBCiIIxJgBEgQxNzA3GOO0ASDBkwEo-a6PAzDxr48DOEVAAVgBEgoIARABGAEqAkRMGAEiBAgBEAEoBDAB) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Tue, 22 Sept - Wed, 14 Oct LHR London STL St. Louis £612 Return found 5 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LHR,to:STL,departure:22/09/2026TANYT&leg2=from:STL,to:LHR,departure:14/10/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:611.99&airProductToken=AQpACj4IwYIBEgQ2OTMyGOuJASDyXCj9vZgDMJ7CmAM4T0AAWAFqBUJBU0lDcghPTFg5QzNCNHoKCMKCARIENjkzMgpnCjIIwYIBEgQyNzYxGPJcIKOxASi3uZoDMLC6mgM4QkAAWAFqBUJBU0lDcghPTFg4QzFCNAoxCMGCARICODAYo7EBIOuJASjlupoDMIa_mgM4QkABWAFqBUJBU0lDcghPTFg4QzFCNBIKCAIQARgCKgJBQRgBIgQIARABKAIoAygEMAs) ![Iberia](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/IB.gif) Mon, 20 Apr - Mon, 4 May LGW London STL St. Louis £626 Return found 6 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LGW,to:STL,departure:20/04/2026TANYT&leg2=from:STL,to:LGW,departure:04/05/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:625.50&airProductToken=AQqwAQo9CMmEARIEMTg2NBjLsQEgjBgonPCKAzCn8YoDOE9AAFgBagVCQVNJQ3IIT0xYOEMxQjR6CQjJZBIEMTg2NAowCMmEARIDMzQxGIwYIK4cKOn2igMwrfuKAzhPQAFYAWoFQkFTSUNyCE9MWDhDMUI0Cj0IyYQBEgQ4MDU1GK4cIPJcKLP-igMwh_-KAzhPQAFYAWoFQkFTSUNyCE9MWDhDMUI0egoIwYIBEgQ4MDU1CrIBCj4IyYQBEgQ0ODg4GPJcIKOxASivj4wDMKSQjAM4T0AAWAFqBUJBU0lDcghPTFg4QzFCNHoKCMGCARIENDg4OAoxCMmEARIDMzY0GKOxASCMGCiFkYwDMMmVjAM4T0ABWAFqBUJBU0lDcghPTFg4QzFCNAo9CMmEARIEMTg2MxiMGCDLsQEoyJeMAzDUmIwDOE9AAVgBagVCQVNJQ3IIT0xYOEMxQjR6CQjJZBIEMTg2MxIKCAEQARgBKgJJQhgBIgQIARABKAIoAygEMA0) ![KLM](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/KL.gif) Mon, 20 Apr - Mon, 27 Apr LCY London STL St. Louis £647 Return found 6 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LCY,to:STL,departure:20/04/2026TANYT&leg2=from:STL,to:LCY,departure:27/04/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:646.21&airProductToken=AQqmAQoyCMuYARIDOTgyGMvAASCAkwEo9OqKAzC164oDOExAAFgBagVMSUdIVHIIVlkyRURCTEEKMQjLmAESAzYyMRiAkwEg4Fwoie6KAzC58ooDOFZAAVgBagVMSUdIVHIIVlkyRURCTEEKPQjLmAESBDUyODQY4Fwg8lwozPOKAzC09IoDOFZAAVgBagVMSUdIVHIIVlkyRURCTEF6CgjEmAESBDUyODQKpgEKPQjLmAESBDUyODMY8lwg4Fwo9sCLAzDfwYsDOFZAAFgBagVMSUdIVHIIVlkyRURCTEF6CgjEmAESBDUyODMKMQjLmAESAzYyMhjgXCCAkwEooMKLAzCexosDOFZAAVgBagVMSUdIVHIIVlkyRURCTEEKMgjLmAESAzk4ORiAkwEgy8ABKOvHiwMwrMiLAzhMQAFYAWoFTElHSFRyCFZZMkVEQkxBEgoIARABGAEqAktMGAEiBAgBEAEoAigDKAQwDQ) ![British Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/BA.gif) Wed, 18 Nov - Mon, 23 Nov NCL Newcastle-upon-Tyne STL St. Louis £668 Return found 6 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:NCL,to:STL,departure:18/11/2026TANYT&leg2=from:STL,to:NCL,departure:23/11/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:667.02&airProductToken=AQqpAQozCMKCARIEMTM0MRjNWCDriQEokLudAzDqu50DOE9AAFgBagVOT0JBR3IJT0xYOEMxQjRQCjIIwoIBEgMyOTUY64kBIK4cKJS9nQMwpsGdAzhPQAFYAWoFTk9CQUdyCU9MWDhDMUI0UAo-CMKCARIENTMzNRiuHCDyXCizxZ0DMITGnQM4T0ABWAFqBU5PQkFHcglPTFg4QzFCNFB6CgjZsAESBDUzMzUKqwEKPwjCggESBDY4OTEY8lwgwZMBKIL6nQMwoPudAzhPQABYAWoFTk9CQUdyCU9MWDhDMUI0UHoKCM2iARIENjg5MQozCMKCARIDMjAyGMGTASDriQEo2_ydAzDr_50DOE9AAVgBagVOT0JBR3IJT0xYOEMxQjRQCjMIwoIBEgQxMzMyGOuJASDNWCj0gZ4DML-CngM4T0ABWAFqBU5PQkFHcglPTFg4QzFCNFASCggBEAEYASoCQkEYASIECAEQASgCKAMwDQ) ## Find the cheapest month to fly from Columbus (CMH) to St. Louis (STL) ### October is typically the cheapest month to fly From £104 - £341 per traveller. ## Frequently asked questions ### What is the name of Frontenac's airport? ### How far is Lambert-St. Louis Intl. Airport (STL) from central Frontenac? ### What airport is best to fly into Frontenac? ### How many airlines fly to Frontenac? ### Which airlines fly to Frontenac? ### How many nonstop flights are there to Frontenac? ### Where are the most popular flights to Frontenac departing from? ### How long is the flight to Frontenac Airport? ### How to book the cheapest flight to Frontenac? ### Do you have any tips for my flight to Frontenac? > - Travelling on a plane can be a great experience if you pack the right gear. Firstly, you'll need basic toiletry items, such as deodorant and a toothbrush, a fresh set of clothes and something to read. Secondly, make room in your carry-on bag for your phone and charger, any daily medications and perhaps a quality neck pillow too. Lastly, remember to take your passport, travel papers and your credit cards. > > > Do not pack the following items in your hand luggage: > > > - While the list of restricted items can differ between air carriers, the general rule to follow is nothing sharp, flammable or explosive. This includes screwdrivers, blades, aerosol cans and flares. Sporting equipment like ice skates, and items that could injure passengers, such as swords and batons, can't come on board with you either. > > > What to wear on a flight: > > > - Your goal here is to feel as comfortable as you can. Choose flat, closed-toe shoes, dress in loose, breathable clothing and don't forget to bring a sweater in case it gets cold in the cabin. > - Deep vein thrombosis (DVT) can pose a risk on long-distance flights. It's the result of blood clots forming due to inactivity and poor circulation, so do some gentle foot and leg exercises in your seat and consider wearing compression socks or tights. ### How to get through airport security fast when flying to Frontenac? > - First things first. Your ID and travel documents will need to be presented to security personnel. Keep them handy to avoid fumbling around for them. > - Time to strip down. Well sort of. Your belt, coat, keys and other contents of your pockets, like your headphones, will need to go on a tray through the X-ray machine. Make your life easier by removing them as your turn draws near. > - All your electronic devices, including your laptop and phone, are also required to be separately scanned. > - Any liquids or gels, such as perfume or toothpaste, that you want to take on board must be no larger than 3.4 ounces (100 millilitres). They must also all fit inside a quart-size (one litre), clear zip-close bag. > - Lightweight sneakers are a good footwear choice as you're less likely to have to remove them when going through security. Boots and other heavy shoes are usually subjected to additional screening. > - Sharp or pointed items are prohibited in the cabin. They'll be seized at security, so pack them in your checked baggage. ## Book with confidence # Expedia flights to Frontenac Searching for cheap flights to Frontenac? No travel company presents more choices than Expedia if you're looking to compare flights to Frontenac. With more airlines, cheaper flights, fewer stops, and more departure and arrival times travellers should ensure they search on Expedia before any holiday to St. Louis. Expedia provides the cheapest flights to many destinations in St. Louis and you may find even greater savings if you combine your flight with a hotel stay in Frontenac. Expedia is the largest online travel agency which means that Expedia have access to cheap flights. So make sure you check Expedia regularly for these bargain flights because the cheapest airline tickets sell out fast. Expedia is not only free for everyone to use but it quick and easy to use. Find the lowest flight prices guaranteed and book directly through Expedia. Browse through hundreds of cheap flight offers to find the one that suits your budget by simply inputting your travel dates. Expedia will then find the cheapest flights to Frontenac for that period and let you choose your preferred time and airline. If you need additional assistance, Expedia Customer Service representatives are available from 8am - 10pm Monday to Friday, and 9am - 10pm at weekends. Our capable staff will be able to help you with any questions regarding your Frontenac flight, or other booking questions that may arise. When you book flights with Expedia you can rest assured that you have booked the best flight at the lowest price. ## Travel information | Destination airport | Lambert-St. Louis Intl. | | ----------------------------- | ----------------------- | | Destination airport IATA code | STL | | Destination city name | St. Louis | | Return price | £253 | ## Trending flights to Frontenac Prices were available within the past 7 days and start at £181 for one-way flights and £253 for round trip, for the period specified. Be sure to select the 'Direct flights only' box above if you are looking for a non stop route. Prices and availability are subject to change. Additional terms apply. All deals One way Return ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Tue, 22 Sept - Wed, 14 Oct LHR London STL St. Louis £612 Return found 5 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LHR,to:STL,departure:22/09/2026TANYT&leg2=from:STL,to:LHR,departure:14/10/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:611.99&airProductToken=AQpACj4IwYIBEgQ2OTMyGOuJASDyXCj9vZgDMJ7CmAM4T0AAWAFqBUJBU0lDcghPTFg5QzNCNHoKCMKCARIENjkzMgpnCjIIwYIBEgQyNzYxGPJcIKOxASi3uZoDMLC6mgM4QkAAWAFqBUJBU0lDcghPTFg4QzFCNAoxCMGCARICODAYo7EBIOuJASjlupoDMIa_mgM4QkABWAFqBUJBU0lDcghPTFg4QzFCNBIKCAIQARgCKgJBQRgBIgQIARABKAIoAygEMAs) \*Available to Expedia members.