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

View AU$505 flight on Sun, 19 July 2026Opens in a new window
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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.

American Airlines
Mon, 9 Feb - Wed, 18 Feb
PHL
Philadelphia
STT
St. Thomas
AU$833 Return, found 2 days ago
AU$833
Return
found 2 days ago
Select American Airlines flight, departing Mon, 9 Feb from Philadelphia to St. Thomas, returning Wed, 18 Feb, priced at AU$833 found 2 days ago
American Airlines
Mon, 9 Feb - Wed, 18 Feb
PHL
Philadelphia
STT
St. Thomas
AU$840 Return, found 2 days ago
AU$840
Return
found 2 days ago
Select American Airlines flight, departing Mon, 9 Feb from Philadelphia to St. Thomas, returning Wed, 18 Feb, priced at AU$840 found 2 days ago
American Airlines
Mon, 9 Feb - Wed, 18 Feb
PHL
Philadelphia
STT
St. Thomas
AU$846 Return, found 2 days ago
AU$846
Return
found 2 days ago
Select American Airlines flight, departing Mon, 9 Feb from Philadelphia to St. Thomas, returning Wed, 18 Feb, priced at AU$846 found 2 days ago
American Airlines
Wed, 4 Feb - Wed, 11 Feb
PHL
Philadelphia
STT
St. Thomas
AU$854 Return, found 1 day ago
AU$854
Return
found 1 day ago
Select American Airlines flight, departing Wed, 4 Feb from Philadelphia to St. Thomas, returning Wed, 11 Feb, priced at AU$854 found 1 day ago
American Airlines
Wed, 4 Feb - Wed, 11 Feb
PHL
Philadelphia
STT
St. Thomas
AU$860 Return, found 1 day ago
AU$860
Return
found 1 day ago
Select American Airlines flight, departing Wed, 4 Feb from Philadelphia to St. Thomas, returning Wed, 11 Feb, priced at AU$860 found 1 day ago
American Airlines
Wed, 4 Feb - Wed, 11 Feb
PHL
Philadelphia
STT
St. Thomas
AU$867 Return, found 1 day ago
AU$867
Return
found 1 day ago
Select American Airlines flight, departing Wed, 4 Feb from Philadelphia to St. Thomas, returning Wed, 11 Feb, priced at AU$867 found 1 day ago
American Airlines
Sat, 16 May - Wed, 20 May
PHL
Philadelphia
STT
St. Thomas
AU$890 Return, found 1 day ago
AU$890
Return
found 1 day ago
Select American Airlines flight, departing Sat, 16 May from Philadelphia to St. Thomas, returning Wed, 20 May, priced at AU$890 found 1 day ago
American Airlines
Sun, 19 July - Thu, 30 July
PHL
Philadelphia
STT
St. Thomas
AU$897 Return, found 12 hours ago
AU$897
Return
found 12 hours ago
Select American Airlines flight, departing Sun, 19 July from Philadelphia to St. Thomas, returning Thu, 30 July, priced at AU$897 found 12 hours ago
American Airlines
Sat, 16 May - Wed, 20 May
PHL
Philadelphia
STT
St. Thomas
AU$921 Return, found 1 day ago
AU$921
Return
found 1 day ago
Select American Airlines flight, departing Sat, 16 May from Philadelphia to St. Thomas, returning Wed, 20 May, priced at AU$921 found 1 day ago

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

February is typically the cheapest month to fly

From AU$254 - AU$610 per traveller.

Frequently asked questions

How much is an American Airlines flight from Philadelphia Intl. Airport (PHL) to Cyril E. King Airport (STT)?
Finding cheap one-way American Airlines flights from PHL to STT from AU$505 on Expedia is easy — just filter by "Price (lowest to highest)." Or check out our budget-friendly round-trip fares from AU$833 for your next break.**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 American Airlines?
September is one of the cheapest months to jet off to St. Thomas with American Airlines. You could also find great prices on one-way and return tickets in October.
Does American Airlines fly nonstop from Philadelphia Intl. Airport (PHL) to Cyril E. King Airport (STT)?
Skip the layovers and fly from Philadelphia Intl. Airport (PHL) to Cyril E. King Airport (STT) on one of American Airlines's 7 direct weekly flights. Use Expedia's "Nonstop" and "Airline" filters to find the American Airlines flight that'll take you to STT at your preferred time.
How long does it take to fly from PHL to STT with American Airlines?
It takes around 4h to travel nonstop from Philadelphia Intl. Airport (PHL) to Cyril E. King Airport (STT) with American Airlines.
What airports does American Airlines fly into in St. Thomas?
American Airlines flights from Philadelphia Intl. Airport (PHL) to St. Thomas arrive at Cyril E. King Airport (STT). This is the main entry point to this destination.
What type of plane does American Airlines fly from Philadelphia Intl. Airport (PHL) to Cyril E. King Airport (STT)?
Take an American Airlines flight from Philadelphia Intl. Airport (PHL) to Cyril E. King Airport (STT), and you'll probably be on an Airbus A319. Bear in mind though, that the aircraft type can vary due to operational requirements.
Can I change or cancel my American Airlines flight from Philadelphia Intl. Airport (PHL) to Cyril E. King Airport (STT)?
Depending on your ticket type, a fee may apply if you change or cancel your booking more than 24 hours after it's confirmed. To find plane 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, visit "Trips," select your flight and tick "Manage Booking."

Travel information

Origin airport
Philadelphia Intl.
Destination airport
Cyril E. King
Airlines serving
American Airlines, Delta
Popular airline
Delta
Distance
2575 km
Average flight time
4 hours 7 mins

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