Cheap Flights from Philadelphia (PHL) to St. Thomas (STT)

View AU$496 flight on Mon, 20 July 2026Opens in a new window

Popular airlines from Philadelphia International Airport (PHL) to Cyril E. King Airport (STT)

    notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
    deals illustration

    Book smarter

    Save up to 35% on select hotels after you book a flight*
    trophy illustration

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap Flights from Philadelphia (PHL) to St. Thomas (STT)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Find the cheapest month to fly from Philadelphia (PHL) to St. Thomas (STT)

February is typically the cheapest month to fly

From AU$249 - AU$750 per traveller.

Frequently asked questions

How much is a flight from PHL to Cyril E. King Airport (STT)?
If you're planning on travelling from Philadelphia Airport to Cyril E. King Airport, round-trip flights start from . This price is based on fares quoted within the last 7 days on Expedia for flights departing within the next year, so don't hang around. Book now and save yourself both money and time. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Philadelphia Intl. Airport (PHL) to STT?
Most flights can be conveniently cancelled online, but whether or not you incur a fee depends on your airline. If you do have to cancel your escape, follow the easy instructions in the Customer Service Portal.
How do I find cheap flights from Philadelphia Airport to STT that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Philadelphia Intl. Airport (PHL) to Cyril E. King Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from PHL to Cyril E. King Airport?
You'll be soaring through the sky for a while, as the flight distance between Philadelphia and St. Thomas is 2 600 kilometres. Create a playlist of your favourite tunes before you leave home to keep yourself entertained during the flight.
Which airlines fly direct from PHL to STT?
Operating 4 flights each month, American Airlines (AA) is a popular choice when flying straight from Philadelphia Airport to Cyril E. King Airport (STT).
Are Philadelphia Airport to Cyril E. King Airport (STT) flight tickets cheaper when they're purchased at the last minute?
Late planners can occasionally find a bargain, with some super cheap airfares from Philadelphia Airport to Cyril E. King Airport (STT) popping up a few weeks prior to the departure date. If you'd rather book ahead, Expedia compares and updates all the best flight deals continuously — as early as a year in advance in some cases. It does depend on the carrier though, as not all airlines publish prices that far in advance.

Travel information

Travel information

Origin airport
Philadelphia Intl.
Destination airport
Cyril E. King
Distance
2575 km
Average flight time
2 hours 50 mins

Book with confidence

Book with confidence

Your quick guide to flights from Philadelphia to St. Thomas

Pick up great flights from Philadelphia to St. Thomas

With Expedia, you have your pick of flights a day with 20 airlines covering flights from Philadelphia to St. Thomas. Whether you’re on a business trip, a family holiday or a luxury break, just enter your travel dates, hit search then check out your choice of flights. Select from return, one way or multi-city flights, and use the advance search tool if you want a direct or refundable flight. You can narrow your search to show you just your preferred cabin class and airline, too. It’s all easy. You can book direct flights from Philadelphia to St. Thomas that take around hours.

Find cheap flights from Philadelphia to St. Thomas

From the great flight deals with prices currently ranging from to , you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from Philadelphia to St. Thomas around 4 to 6 weeks in advance. If your travel dates are flexible, try to avoid weekends and peak seasons – when you are more likely to grab the lowest prices. Even last minute, there are some impressive deals. The cheapest time to fly to St. Thomas is normally in .

Reasons to book your flight from Philadelphia to St. Thomas with Expedia

Expedia makes it easy to find, book, and travel, with everything you need all in one place. When you enter your travel details, find fantastic deals just for you on flight tickets from Philadelphia to St. Thomas across all the main airline carriers, so you can save time, dollars, and hassle finding the perfect flight. If you think your plans could change, choose refundable flights so any changes won’t cost you more. Book your flight to St. Thomas right now and, if you join Expedia Rewards, you earn points this time and every time you travel with Expedia.

Your quick guide to flights from Philadelphia to St. Thomas

Explore a world of travel with Expedia

Explore a world of travel with Expedia

*Available to Expedia members.