$128 Cheap Flights from St. Thomas (STT) to Philadelphia (PHL)

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

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

Prices were available within the past 7 days and start at $128 for one-way flights and $253 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Spirit Airlines
Spirit Airlines
Spirit Airlines
Spirit Airlines
Spirit Airlines
Spirit Airlines
JetBlue Airways
American Airlines
United
Delta

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

February is typically the cheapest month to fly

From $166 - $634 per traveler.

Alternative airports near Philadelphia

Prices were available within the past 7 days. Prices and availability are subject to change.

Frequently asked questions

How much does a flight from Cyril E. King Airport (STT) to Philadelphia Intl. Airport (PHL) cost?
Snag a cheap one-way flight from $128 or cheap return flight from $253 from Cyril E. King Airport (STT) to Philadelphia Intl. Airport (PHL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Cyril E. King Airport (STT) to Philadelphia Intl. Airport (PHL)?
The cheapest month to fly from STT to PHL is January, when demand is low. Off-peak months are often when you'll find lower airfares between these airports.
Which airlines fly direct from Cyril E. King Airport (STT) to Philadelphia Intl. Airport (PHL)?
Hop on a direct flight with American Airlines and travel straight from Cyril E. King Airport (STT) to Philadelphia Intl. Airport (PHL).
What is the cheapest airline that flies from Cyril E. King Airport (STT) to Philadelphia Intl. Airport (PHL)?
To find the cheapest airline flying from STT to PHL, use Expedia's filter tool. Tailor your search based on your travel style, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
How many flights per day from Cyril E. King Airport (STT) to Philadelphia Intl. Airport (PHL)?
On average, there is just 1 nonstop flight taking off from Cyril E. King Airport (STT) to Philadelphia Intl. Airport (PHL) every day. If this doesn't fit your plans, check out flights with layovers. Just customize your search results on Expedia to include one or more stops to find the next best option.
What are the most popular departure times for flights from Cyril E. King Airport (STT) to Philadelphia Intl. Airport (PHL)?
More travelers fly between STT and PHL at 2 PM than at any other point in the day. Rather go when it's quieter? Pick a flight outside the busiest times and it's possible you'll save on your ticket as well.
What day of the week has the most flights from STT to PHL?
If you travel on a Friday, you'll get the biggest range of options for flights from Cyril E. King Airport (STT) to Philadelphia Intl. Airport (PHL).
What is the earliest flight from Cyril E. King Airport (STT) to Philadelphia Intl. Airport (PHL)?
Catch the earliest flight at around 2:09PM UTC-4, departing from Cyril E. King Airport (STT). You'll be in the air for around 4h 30m, touching down at Philadelphia Intl. Airport (PHL) at approximately 5:39PM UTC-5.
How long does it take to fly from Cyril E. King Airport (STT) to Philadelphia Intl. Airport (PHL)?
The average flight time from STT to PHL is 4 hours and 30 minutes, covering a distance of 1,600 mi.
What is the best time to fly from Cyril E. King Airport (STT) to Philadelphia Intl. Airport (PHL)?
Opt for a flight from Cyril E. King Airport (STT) to Philadelphia Intl. Airport (PHL) that leaves before 3 PM to reduce the risk of delays and cancellations. Departures later than this have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Philadelphia from Cyril E. King Airport (STT)?
Browse your flight options from Cyril E. King Airport (STT) to Philadelphia Intl. Airport (PHL). This is the only airport in Philadelphia you can fly into if you're taking a direct flight.
Is it cheaper to buy a plane ticket from Cyril E. King Airport (STT) to Philadelphia Intl. Airport (PHL) last-minute?
Booking your flight from STT to PHL just before your getaway is generally more expensive. But if you're flexible with your departure times and dates, you could bag a cheap last-minute fare.
Is it cheaper to book a STT to PHL flight and hotel package?
Opting for a STT to PHL flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip all in one place. Pick from our extensive range of hotels and then add activities, car rentals and flights to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Cyril E. King Airport (STT) to Philadelphia Intl. Airport (PHL)?
If you reserved your STT to PHL flight in the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you'd like more information.

Travel information

Origin airport
Cyril E. King
Destination airport
Philadelphia Intl.
Airlines serving
American Airlines, Delta, JetBlue Airways, Southwest Airlines, Spirit Airlines, United
Roundtrip price
$252
Distance
1609 mi
Average flight time
5 hours 10 mins

Book with confidence

Explore a world of travel with Expedia

*Available to One Key members.