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$125+ Cheap flights from Saint Thomas Island (STT) to Philadelphia (PHL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/9. Fares are subject to change and may not be available on all flights or dates of travel.
STT — PHL
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Saint Thomas Island to Philadelphia

Discover tips and strategies to find the most affordable flight options for your journey from Saint Thomas Island (STT) to Philadelphia (PHL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 11, 2025.

Round-trip from

$259
(Cheapflightsfares)

One-way from

$125
(Cheapflightsfares)

Popular in

April

Cheapest in

February

Average price

$294

Good round-trip deal

$670 or less
From Saint Thomas Island Cyril E King to Philadelphia
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One-way flight from Saint Thomas Island Cyril E King to Philadelphia
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Highest demand for flights based on searches. 21% potential increase in price ($125 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Saint Thomas Island Cyril E King to Philadelphia.
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Find flight deals from Saint Thomas Island to Philadelphia

Cheapest flights from Saint Thomas Island to Philadelphia
Explore the most affordable flight options available from Saint Thomas Island to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/121:33 pmSTT - PHL
1 stop11h 59mSpirit Airlines
Sun 11/165:15 amPHL - STT
1 stop6h 13mSpirit Airlines
Deal found 9/11$259
This Kiwi.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2510:49 amSTT - PHL
1 stop13h 28mSpirit Airlines
Mon 9/299:50 pmPHL - STT
1 stop11h 54mSpirit Airlines
Deal found 9/10$281
This OneTravel deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure OneTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1911:01 amSTT - PHL
1 stop22h 31mSpirit Airlines
Mon 10/207:54 pmPHL - STT
1 stop14h 02mSpirit Airlines
Deal found 9/11$285
This OneTravel deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure OneTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1011:01 amSTT - PHL
1 stop7h 48mSpirit Airlines
Wed 10/155:33 amPHL - STT
1 stop28h 23mSpirit Airlines
Deal found 9/11$290
This Kiwi.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2510:49 amSTT - PHL
1 stop10h 09mSpirit Airlines
Sun 9/285:00 amPHL - STT
1 stop28h 44mSpirit Airlines
Deal found 9/10$298
This Kiwi.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2710:49 amSTT - PHL
1 stop12h 58mSpirit Airlines
Mon 9/299:50 pmPHL - STT
1 stop11h 54mSpirit Airlines
Deal found 9/10$303
This American Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/195:20 pmSTT - PHL
1 stop16h 19mAmerican Airlines
Mon 10/209:30 pmPHL - STT
2 stops14h 30mAmerican Airlines
Deal found 9/11$308
This Kiwi.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2510:49 amSTT - PHL
1 stop13h 28mSpirit Airlines
Sat 9/279:50 pmPHL - STT
1 stop11h 54mSpirit Airlines
Deal found 9/10$326
This Cheapflightsfares deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/210:49 amSTT - PHL
1 stop13h 28mSpirit Airlines
Sun 10/55:20 amPHL - STT
1 stop7h 39mSpirit Airlines
Deal found 9/10$328

Cheapflights Fare Finder

 
Customize your flight search to find flights from Saint Thomas Island to Philadelphia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 11, 2025.
Use the filters below to find and compare flights from Saint Thomas Island to Philadelphia that are best for you.

Fly from

Saint Thomas Island

Fly to

Philadelphia

Route

Depart

Return

Price

Saint Thomas IslandPhiladelphia

STT - PHL

STTPHL

Saint Thomas Island Cyril E King

Wed 11/12

1:33 pm-12:32 am

1 stop11h 59m

Philadelphia

Sun 11/16

5:15 am-12:28 pm

1 stop6h 13m

$259

Saint Thomas IslandPhiladelphia

STT - PHL

STTPHL

Saint Thomas Island Cyril E King

Thu 9/25

10:49 am-12:17 am

1 stop13h 28m

Philadelphia

Mon 9/29

9:50 pm-9:44 am

1 stop11h 54m

$281

Saint Thomas IslandPhiladelphia

STT - PHL

STTPHL

Saint Thomas Island Cyril E King

Sun 10/19

11:01 am-9:32 am

1 stop22h 31m

Philadelphia

Mon 10/20

7:54 pm-9:56 am

1 stop14h 02m

$285

Saint Thomas IslandPhiladelphia

STT - PHL

STTPHL

Saint Thomas Island Cyril E King

Fri 10/10

11:01 am-6:49 pm

1 stop7h 48m

Philadelphia

Wed 10/15

5:33 am-9:56 am

1 stop28h 23m

$290

Saint Thomas IslandPhiladelphia

STT - PHL

STTPHL

Saint Thomas Island Cyril E King

Thu 9/25

10:49 am-8:58 pm

1 stop10h 09m

Philadelphia

Sun 9/28

5:00 am-9:44 am

1 stop28h 44m

$298

Saint Thomas IslandPhiladelphia

STT - PHL

STTPHL

Saint Thomas Island Cyril E King

Sun 10/19

5:20 pm-9:39 am

1 stop16h 19m

Philadelphia

Mon 10/20

9:30 pm-12:00 pm

2 stops14h 30m

$308

Saint Thomas IslandPhiladelphia

STT - PHL

STTPHL

Saint Thomas Island Cyril E King

Thu 10/2

10:49 am-12:17 am

1 stop13h 28m

Philadelphia

Sun 10/5

5:20 am-12:59 pm

1 stop7h 39m

$328

Saint Thomas IslandPhiladelphia

STT - PHL

STTPHL

Saint Thomas Island Cyril E King

Fri 9/26

10:49 am-9:46 am

1 stop22h 57m

Philadelphia

Sun 9/28

5:00 am-9:44 am

1 stop28h 44m

$342

Saint Thomas IslandPhiladelphia

STT - PHL

STTPHL

Saint Thomas Island Cyril E King

Thu 9/25

10:49 am-8:58 pm

1 stop10h 09m

Philadelphia

Mon 9/29

6:03 pm-9:44 am

2 stops15h 41m

$351

Saint Thomas IslandPhiladelphia

STT - PHL

STTPHL

Saint Thomas Island Cyril E King

Fri 9/26

10:49 am-9:46 am

1 stop22h 57m

Philadelphia

Sat 9/27

9:50 pm-9:44 am

1 stop11h 54m

$370

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 21 results
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Best time to book a flight from Saint Thomas Island to Philadelphia

Have a flexible travel schedule? Discover the best time to fly to Philadelphia from Saint Thomas Island with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Saint Thomas Island to Philadelphia

What is the cheapest month to book a flight from Saint Thomas Island to Philadelphia?

Currently, August is the cheapest month in which you can book a flight from Saint Thomas Island to Philadelphia (average of $236). Flying from Saint Thomas Island to Philadelphia in March is currently the most expensive (average of $295). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Philadelphia

Get insights into the airlines that provide service to Philadelphia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Philadelphia. Reviews last updated September 11, 2025.
Get a feel of what it's like to fly with Delta, American Airlines, and Spirit Airlines from Saint Thomas Island to Philadelphia by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,960 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others
Delta
8.0
Very good
7,960 reviews
Delta
8.0
Very good
7,960 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,960 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others
Spirit Airlines
6.3
Okay
8,023 reviews
Delta
8.0
Very good
7,960 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others

Related info for your journey

Find useful and relevant information for your journey from Saint Thomas Island to Philadelphia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Saint Thomas Island to Philadelphia?

    Spirit Airlines can get you from Saint Thomas Island to Philadelphia in just under 11h 59m. Your travel time can differ by up to . The distance between Saint Thomas Island and Philadelphia is about 1608 mi.

  • What are the cheapest airlines flying from Saint Thomas Island to Philadelphia round-trip?

    Spirit Airlines, at $197, was found to be the cheapest airline from Saint Thomas Island to Philadelphia.Alternate airlines to your destination round-trip include Delta and American Airlines. Users have found that Spirit Airlines is 57% cheaper than the other options available to this destination.

  • What are the cheapest flights from Saint Thomas Island to Philadelphia?

    The cheapest flight price from Saint Thomas Island to Philadelphia is $670. On average you can expect to pay $775. The most popular route, (Saint Thomas Island Cyril E King - Philadelphia), can usually be booked for $328.

  • Can I find deals for flights from Saint Thomas Island to Philadelphia that include hotel bookings?

    Yes. In addition to deals on Saint Thomas Island to Philadelphia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Saint Thomas Island to Philadelphia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Saint Thomas Island to Philadelphia.

  • Can I find deals for business class flights from Saint Thomas Island to Philadelphia?

    Yes. Cheapflights offers flight deals from Saint Thomas Island to Philadelphia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Saint Thomas Island to Philadelphia?

    Currently, August is the cheapest month in which you can book a flight from Saint Thomas Island to Philadelphia (average of $236). Flying from Saint Thomas Island to Philadelphia in March is currently the most expensive (average of $295). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Philadelphia?

Book flights to Philadelphia if you plan to visit one of these locations
Vineland
Wildwood
King of Prussia
Pottstown
Reading
Dewey Beach
Ephrata
Camden
Ocean City
Cherry Hill
Dover
Elkton
Essington
Willow Grove
Newark
Millville
Chester
Exton
Havre de Grace
Plymouth Meeting

Browse thousands of different options on Cheapflights for your next trip

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Top 3 airlines flying from Saint Thomas Island to Philadelphia

Discover the top 3 airlines that operate flights from Saint Thomas Island to Philadelphia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$197Average$298FlexibilityNo cancel feeOn-time65%
DeltaCheapest$439Average$579FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$487Average$634FlexibilityNo cancel feeOn-time71%

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