Title: £295 Cheap United flights from Philadelphia to St. Thomas (PHL→STT) - Expedia.co.uk ![](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) # £295 Cheap United flights from Philadelphia to St. Thomas (PHL→STT) [View £295 flight on Mon, 29 Dec 2025](https://expedia.co.uk/Flights-Search?trip=oneway&leg1=from:PHL,to:STT,departure:29/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:294.80&airProductToken=AQprCjMI1YIBEgQzNTc3GO9ZIIgYKKuCgQMw94KBAzhXQABYAWoHRUNPTk9NWXIIV05ROEE5RE4KNAjVggESBDEzMjgYiBgg8pwBKKmDgQMwloWBAzhXQAFYAWoHRUNPTk9NWXIIV05ROEE5RE4SCggBEAEYASoCVUEYASIECAEQASgCKAMoBDAB) - [Return](?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 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) ## United flights from Philadelphia to St. Thomas (PHL→STT) Prices were available within the past 7 days and start at £295 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Return ## Frequently asked questions ### How much is a United Airlines flight from Philadelphia Intl. Airport (PHL) to Cyril E. King Airport (STT)? > You'll find affordable return United Airlines flights from PHL to STT by organising your results from "Price (lowest to highest)" on Expedia. Or search for options from £295 for a one-way trip.\**\*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 PHL to STT with United Airlines? > United Airlines flights to St. Thomas are typically more affordable in the quieter months of September and October. Whether you need a one-way or a return ticket, you could find a better deal then. ### Does United Airlines fly nonstop from Philadelphia Intl. Airport (PHL) to Cyril E. King Airport (STT)? > Use our "Nonstop" filter when searching for direct United Airlines flights from PHL to STT. You'll also be able to compare other carriers servicing the same nonstop journey. ### What airports does United Airlines fly into in St. Thomas? > Cyril E. King Airport (STT) is the primary St. Thomas gateway for United Airlines flights from Philadelphia Intl. Airport (PHL). ### Can I change or cancel my United Airlines flight from Philadelphia Intl. Airport (PHL) to Cyril E. King Airport (STT)? > Depending on the ticket type you purchased, a fee generally applies if you change or cancel your booking 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. For additional information on modifying or cancelling your reservation, head to "[Trips](https://www.expedia.co.uk/trips)," select your flight and click on "Manage Booking." ## Travel information | Origin airport | Philadelphia Intl. | | --- | --- | | Destination airport | Cyril E. King | | Distance | 2575 km | ## Explore a world of travel with Expedia - Accommodation - Flights - Packages - Cars - Holiday Homes - Other - [Altona Hotels](https://www.expedia.co.uk/Altona-Hotels.d3000001497.Travel-Guide-Hotels) - [Hotels near Brewers Bay Beach](https://www.expedia.co.uk/Brewers-Bay-Beach-Hotels.0-l6249105-0.Travel-Guide-Filter-Hotels) - [Charlotte Amalie West Hotels](https://www.expedia.co.uk/Charlotte-Amalie-West-Hotels.d553248635975871281.Travel-Guide-Hotels) - [Gay-Friendly Hotels in Charlotte Amalie](https://www.expedia.co.uk/Destinations-In-Charlotte-Amalie-Gay-Friendly-Hotel.0-0-d553248635997993060-tGayFriendlyHotel.Hotel-Filter-Destinations) - [Charlotte Amalie Hotels](https://www.expedia.co.uk/Destinations-In-Charlotte-Amalie.d553248635997993060.Hotel-Destinations) - [Water Island Hotels](https://www.expedia.co.uk/Destinations-In-Water-Island.d182430.Hotel-Destinations) - [Estate Honduras Hotels](https://www.expedia.co.uk/Estate-Honduras-Hotels.d553248635976432263.Travel-Guide-Hotels) - 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