--- title: "Cheap Flights to Cool Valley - Expedia.co.uk" description: "Searching for cheap plane tickets to Cool Valley? Get flights deals to Cool Valley from £423 & save. Earn your airline miles on top of our rewards!" canonical: "https://www.expedia.co.uk/Cheap-Flights-To-Cool-Valley.d553248634983413560.Travel-Guide-Flights" language: en-GB market: GB currency: GBP prices_as_of: 2026-11-13T17:06:33Z --- # £423 Cheap Flights to Cool Valley [View £423 flight on Tue, 12 Jan 2027](https://www.expedia.co.uk/Flights-Search?leg1=from:LHR,to:STL,departure:12/01/2027TANYT&trip=oneway&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:422.11&airProductToken=AQqxAQo-CMmEARIEMzY0MxjriQEgjBgooqaiAzC4p6IDOE9AAFgBagVCQVNJQ3IIT0xYNUM1QjR6CgjCggESBDM2NDMKMAjJhAESAzM0MRiMGCCuHCj0p6IDMMesogM4T0ABWAFqBUJBU0lDcghPTFg1QzVCNAo9CMmEARIEODA1NRiuHCDyXCi7rqIDMJWvogM4T0ABWAFqBUJBU0lDcghPTFg1QzVCNHoKCMGCARIEODA1NRIKCAIQARgCKgJJQhgBIgQIARABKAIoAygEMA0) ## Popular airlines to Cool Valley [American Airlines](https://www.expedia.co.uk/Flights-Search?leg1=from:CMH,to:Cool%20Valley,%20Missouri,%20United%20States%20of%20America,departure:27/11/2026TANYT&leg2=from:Cool%20Valley,%20Missouri,%20United%20States%20of%20America,to:CMH,departure:04/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) [Delta](https://www.expedia.co.uk/Flights-Search?leg1=from:CMH,to:Cool%20Valley,%20Missouri,%20United%20States%20of%20America,departure:27/11/2026TANYT&leg2=from:Cool%20Valley,%20Missouri,%20United%20States%20of%20America,to:CMH,departure:04/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) [United](https://www.expedia.co.uk/Flights-Search?leg1=from:CMH,to:Cool%20Valley,%20Missouri,%20United%20States%20of%20America,departure:27/11/2026TANYT&leg2=from:Cool%20Valley,%20Missouri,%20United%20States%20of%20America,to:CMH,departure:04/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) [Southwest Airlines](https://www.expedia.co.uk/Flights-Search?leg1=from:CMH,to:Cool%20Valley,%20Missouri,%20United%20States%20of%20America,departure:27/11/2026TANYT&leg2=from:Cool%20Valley,%20Missouri,%20United%20States%20of%20America,to:CMH,departure:04/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WN"}}]) [Alaska Airlines](https://www.expedia.co.uk/Flights-Search?leg1=from:CMH,to:Cool%20Valley,%20Missouri,%20United%20States%20of%20America,departure:27/11/2026TANYT&leg2=from:Cool%20Valley,%20Missouri,%20United%20States%20of%20America,to:CMH,departure:04/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AS"}}]) [Frontier Airlines](https://www.expedia.co.uk/Flights-Search?leg1=from:CMH,to:Cool%20Valley,%20Missouri,%20United%20States%20of%20America,departure:27/11/2026TANYT&leg2=from:Cool%20Valley,%20Missouri,%20United%20States%20of%20America,to:CMH,departure:04/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"F9"}}]) [Air Canada](https://www.expedia.co.uk/Flights-Search?leg1=from:CMH,to:Cool%20Valley,%20Missouri,%20United%20States%20of%20America,departure:27/11/2026TANYT&leg2=from:Cool%20Valley,%20Missouri,%20United%20States%20of%20America,to:CMH,departure:04/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AC"}}]) ### Be in the know Get alerts if flight prices drop or rise\* ### Book smarter Save up to 25% on select hotels after you book a flight\* ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.co.uk/login) ## How much is the cheapest flight to Cool Valley? Prices were available within the past 7 days and start at £423 for one-way flights and £588 for return, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Return [Select Alaska Airlines flight, departing Sun, 15 Nov from Columbus to St. Louis, returning Mon, 16 Nov, priced at £1,383 Found 20 hours ago](https://www.expedia.co.uk/Flights-Search?leg1=from:CMH,to:STL,departure:15/11/2026TANYT&leg2=from:STL,to:CMH,departure:16/11/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:1382.80&airProductToken=AQpeCi0IwaYBEgM0NzAYgjsgkgEox5ydAzD%5Fnp0DOFhAAFgBagJTVnIITEgwT0FTQk4KLQjBpgESAzY0NxiSASDyXCi%5Fop0DMKeknQM4WEABWAFqAlNWcghMSDBPQVNCTgpeCi0IwaYBEgM2MTUY8lwgkgEokKedAzCkqZ0DOFhAAFgBagJTVnIITEgwT0FTQk4KLQjBpgESAzQ3MRiSASCCOyjOq50DMNOtnQM4WEABWAFqAlNWcghMSDBPQVNCThIKCAEQARgBKgJBUxgBIgQIARABKAIoAygEMAE) Sun, 15 Nov - Mon, 16 Nov · CMH · STL · From £1,383 · Return [Select Alaska Airlines flight, departing Sun, 15 Nov from Columbus to St. Louis, returning Mon, 16 Nov, priced at £1,548 Found 20 hours ago](https://www.expedia.co.uk/Flights-Search?leg1=from:CMH,to:STL,departure:15/11/2026TANYT&leg2=from:STL,to:CMH,departure:16/11/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:1547.30&airProductToken=AQpeCi0IwaYBEgM0NzAYgjsgkgEox5ydAzD%5Fnp0DOExAAFgBagJNQXIITEgwT0FTTU4KLQjBpgESAzY0NxiSASDyXCi%5Fop0DMKeknQM4TEABWAFqAk1BcghMSDBPQVNNTgpeCi0IwaYBEgM2MTUY8lwgkgEokKedAzCkqZ0DOExAAFgBagJNQXIITEgwT0FTTU4KLQjBpgESAzQ3MRiSASCCOyjOq50DMNOtnQM4TEABWAFqAk1BcghMSDBPQVNNThIKCAEQARgBKgJBUxgBIgQIARABKAIoAygEMAE) Sun, 15 Nov - Mon, 16 Nov · CMH · STL · From £1,548 · Return [Select Alaska Airlines flight, departing Sun, 15 Nov from Columbus to St. Louis, returning Mon, 16 Nov, priced at £2,002 Found 20 hours ago](https://www.expedia.co.uk/Flights-Search?leg1=from:CMH,to:STL,departure:15/11/2026TANYT&leg2=from:STL,to:CMH,departure:16/11/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:2002.00&airProductToken=AQpeCi0IwaYBEgM0NzAYgjsgkgEox5ydAzD%5Fnp0DOExAAFgBagJGTXIITEgwT0FTTVIKLQjBpgESAzY0NxiSASDyXCi%5Fop0DMKeknQM4TEABWAFqAkZNcghMSDBPQVNNUgpeCi0IwaYBEgM2MTUY8lwgkgEokKedAzCkqZ0DOExAAFgBagJGTXIITEgwT0FTTVIKLQjBpgESAzQ3MRiSASCCOyjOq50DMNOtnQM4TEABWAFqAkZNcghMSDBPQVNNUhIKCAEQARgBKgJBUxgBIgQIARABKAIoBCgGMAE) Sun, 15 Nov - Mon, 16 Nov · CMH · STL · From £2,002 · Return ## Book with confidence ### Find Your Flights to Cool Valley STL **Cheap flights to Cool Valley (** **STL)** Get started finding a cheap flight to Cool Valley on Expedia by either choosing a deal on this page or using the search bar to enter your travel dates, origin airport and whether you want a return or one-way airfare. You can filter for flexibility, number of stops, airline and departure/arrival times to find the best flight for you. We recommend using the ‘Flexible Dates’ calendar at the top of the page to see the price of plane tickets on the surrounding dates. This allows you to pick the cheapest days to fly if your trip allows flexibility and score cheap flight deals to Cool Valley. Return prices range from £588 - £2,002 and one-ways Cool Valley start as low as £423. Be aware that choosing a non-stop flight can sometimes be more expensive while saving you time. And routes with connections may be available at a cheaper rate. **Airlines that fly to Cool Valley (** **STL)** You have several options for which airline you choose to travel with to Cool Valley. There are 3 airlines flying into STL: Iberia, SAS, Alaska Airlines. Cheap plane tickets may be available from different airlines at different times and with unique terms. It’s best to understand the details of each airline’s offer before judging its value. For example, if you plan to check in a bag or bring hand baggage, it's worth checking whether the cheap airfare deal includes a baggage allowance. If not, verify whether the baggage fee is higher than the difference of other airline plane ticket deals offering free checked in/hand baggage in exchange for a slightly higher airfare. Additionally, your preferred frequent flyer membership programmes may influence your choice of cheap airline. Expedia allows you to enter your membership numbers during checkout to earn points from your airline and Expedia Rewards—all while getting a great deal and planning all your travel on one online platform. #### Find the best deals At Expedia, we source many flight deals from multiple providers, so you can easily find the best deals that are right for you. A great strategy for getting the best deals can be to make sure you book and travel at optimal times. Airfare to Cool Valley (STL) varies throughout the year based on seasonal demand. You’ll see the lowest rates for return trips to STL in February and in January for one-ways. #### Cancellation & flexibility To change or cancel eligible flights, go to ‘My Trips’ and navigate to your itinerary. If you booked within the last 24 hours, you might be able to cancel your flight for free. Learn more about flight changes or cancellations from our [customer service portal](https://www.expedia.co.uk/service/). Some plane tickets are available with no change fees, which you can filter for during your search. ## Travel information | Destination city name | St. Louis | | ----------------------------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | Destination airport | Lambert-St. Louis International Airport | | Destination airport IATA code | STL | | Airlines serving | American Airlines, Delta, United, Southwest Airlines, Alaska Airlines, Frontier Airlines, Air Canada, Lufthansa, British Airways, KLM, Air France, Iberia, WestJet, Virgin Atlantic, Austrian Airlines, Finnair, Aer Lingus, Brussels Airlines, Japan Airlines, Qatar Airways, Cathay Pacific, Copa, SAS, All Nippon Airways, Turkish Airlines, LATAM Airlines Group, Korean Air, Aeromexico, Qantas Airways, Emirates, Starlux Airlines, Air New Zealand, Icelandair, Royal Jordanian, Virgin Australia, Southern Airways | | Popular airline | American Airlines | | Return price | £1,383 | ## Trending flights to Cool Valley Prices were available within the past 7 days and start at £423 for one-way flights and £588 for return, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Return [Select SAS flight, departing Wed, 3 Feb from Manchester to St. Louis, returning Wed, 17 Feb, priced at £588 Found 6 days ago](https://www.expedia.co.uk/Flights-Search?leg1=from:MAN,to:STL,departure:03/02/2027TANYT&leg2=from:STL,to:MAN,departure:17/02/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:587.53&airProductToken=AQqgAQovCNOWARIDNTQwGIxoIOI7KIKfpAMw9Z-kAzhMQABYAWoFTkVVRVNyB0xMRVU2RVMKLwjTlgESAzkyORjiOyDgXCiioKQDMISlpAM4TEABWAFqBU5FVUVTcgdMTEVVNkVTCjwI05YBEgQzNzU0GOBcIPJcKJynpAMwhqikAzhMQAFYAWoFTkVVRVNyB0xMRVU2RVN6CgjEmAESBDM3NTQKoAEKPAjTlgESBDM1NjQY8lwg4Fwor7-lAzCOwKUDOExAAFgBagVORVVFU3IHTExFVTZFU3oKCMSYARIEMzU2NAovCNOWARIDOTMwGOBcIOI7KLLDpQMwuselAzhMQAFYAWoFTkVVRVNyB0xMRVU2RVMKLwjTlgESAzU0MRjiOyCMaCjeyqUDMNvLpQM4TEABWAFqBU5FVUVTcgdMTEVVNkVTEgoIARABGAEqAlNLGAEiBAgBEAEoAigDKAQwDw) Wed, 3 Feb - Wed, 17 Feb · MAN · STL · From £588 · Return \*Available to Expedia members.