Title: Cheap United fights from St. Louis to St. Thomas - Expedia.ca ![](https://images.trvl-media.com/place/6140138/57cc4b04-8c90-4cee-a0ef-1a113eaebf69.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/6140138/57cc4b04-8c90-4cee-a0ef-1a113eaebf69.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap United fights from St. Louis (STL) to St. Thomas (STT) - [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 - ## Plan, book, fly with confidence - ### Be in the know Get alerts if flight prices drop or rise\* - ### Book smarter Save up to 30% on select hotels after you book a flight\* - ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.ca/login) Flight from St. Louis to St. Thomas (STL - STT) route information | Origin airport | Lambert-St. Louis Intl. | | --- | --- | | Destination airport | Cyril E. King | | Distance | 3320 km | ## Frequently asked questions ### How much is a United Airlines flight from Lambert-St. Louis Intl. Airport (STL) to Cyril E. King Airport (STT)? > Landing cheap one-way United Airlines flights from STL to STT on Expedia is easy — just filter by "Price (lowest to highest)." Alternatively, check out our affordable return fares for your next exciting getaway.\**\*These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.* ### What is the cheapest month to fly from STL to STT with United Airlines? > Look for one-way or round-trip flights to St. Thomas in September or October. You could find an affordable fare with United Airlines during these off-peak travel months. ### Does United Airlines fly nonstop from Lambert-St. Louis Intl. Airport (STL) to Cyril E. King Airport (STT)? > To figure out if there's a direct trip from STL to STT with United Airlines or other airlines, check the "Nonstop" box when browsing for flights. ### What airports does United Airlines fly into in St. Thomas? > Get on a United Airlines flight from Lambert-St. Louis Intl. Airport (STL) to St. Thomas, and you're most likely to come in to Cyril E. King Airport (STT). This is the airline's main hub in this city. ### Can I change or cancel my United Airlines flight from Lambert-St. Louis Intl. Airport (STL) to Cyril E. King Airport (STT)? > Depending on the ticket type you purchased, a fee may apply if you change or cancel your flight more than 24 hours after confirmation. To secure tickets with more flexibility, select our "No cancel fee" or "Changes included" filter while searching for flights. 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