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$123+ 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 2/11. Fares are subject to change and may not be available on all flights or dates of travel.
STT — PHL
Feb 13 — Feb 201
Fri 2/13
Fri 2/20
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 January 14, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$308
(Kiwi.com)

One-way from

$123
(FlightHub)

Popular in

November

Cheapest in

February

Average price

$580

Good round-trip deal

$439 or less

Good one-way deal

$348 or less
Provider with most accurate pricing for Saint Thomas Island Cyril E King-Philadelphia flight deals.
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Provider most trusted by Cheapflights users for Saint Thomas Island Cyril E King-Philadelphia flights.
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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. 30% potential increase in price ($210 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($30 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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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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Price to beat on a one-way 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 January 14, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/105:42 pm
STT
-
PHL
1 stop17h 11m
Multiple Airlines
Sat 2/1410:59 pm
PHL
-
STT
1 stop14h 32m
Multiple Airlines
Deal found 1/11$308
This Mytrip deal was found by Cheapflights users on 1/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/293:57 pm
STT
-
PHL
1 stop7h 06m
Spirit Airlines
Mon 2/26:00 am
PHL
-
STT
1 stop9h 37m
Spirit Airlines
Deal found 1/14$313
This Kiwi.com deal was found by Cheapflights users on 1/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/115:42 pm
STT
-
PHL
1 stop16h 08m
Multiple Airlines
Sat 2/1410:59 pm
PHL
-
STT
1 stop14h 32m
Multiple Airlines
Deal found 1/11$314
This Kiwi.com deal was found by Cheapflights users on 1/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/95:42 pm
STT
-
PHL
1 stop17h 11m
Multiple Airlines
Sat 2/1410:59 pm
PHL
-
STT
1 stop14h 32m
Multiple Airlines
Deal found 1/11$315
This Kiwi.com deal was found by Cheapflights users on 1/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/123:36 pm
STT
-
PHL
1 stop16h 56m
Multiple Airlines
Sat 2/1410:59 pm
PHL
-
STT
1 stop14h 32m
Multiple Airlines
Deal found 1/11$322
This Kiwi.com deal was found by Cheapflights users on 1/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/85:42 pm
STT
-
PHL
1 stop16h 05m
Multiple Airlines
Sat 2/1410:59 pm
PHL
-
STT
1 stop14h 32m
Multiple Airlines
Deal found 1/11$323
This FlightHub deal was found by Cheapflights users on 1/13. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/253:57 pm
STT
-
PHL
1 stop7h 06m
Spirit Airlines
Sat 1/318:43 pm
PHL
-
STT
1 stop17h 09m
Spirit Airlines
Deal found 1/13$396

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 January 14, 2026.
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

Tue 2/10

5:42 pm-9:53 am

1 stop17h 11m

Philadelphia

Sat 2/14

10:59 pm-2:31 pm

1 stop14h 32m

$308

Saint Thomas IslandPhiladelphia

STT - PHL

STTPHL

Saint Thomas Island Cyril E King

Wed 2/11

5:42 pm-8:50 am

1 stop16h 08m

Philadelphia

Sat 2/14

10:59 pm-2:31 pm

1 stop14h 32m

$314

Saint Thomas IslandPhiladelphia

STT - PHL

STTPHL

Saint Thomas Island Cyril E King

Mon 2/9

5:42 pm-9:53 am

1 stop17h 11m

Philadelphia

Sat 2/14

10:59 pm-2:31 pm

1 stop14h 32m

$315

Saint Thomas IslandPhiladelphia

STT - PHL

STTPHL

Saint Thomas Island Cyril E King

Thu 2/12

3:36 pm-7:32 am

1 stop16h 56m

Philadelphia

Sat 2/14

10:59 pm-2:31 pm

1 stop14h 32m

$322

Saint Thomas IslandPhiladelphia

STT - PHL

STTPHL

Saint Thomas Island Cyril E King

Sun 2/8

5:42 pm-8:47 am

1 stop16h 05m

Philadelphia

Sat 2/14

10:59 pm-2:31 pm

1 stop14h 32m

$323

Saint Thomas IslandPhiladelphia

STT - PHL

STTPHL

Saint Thomas Island Cyril E King

Thu 1/29

3:57 pm-10:03 pm

1 stop7h 06m

Philadelphia

Mon 2/2

6:18 pm-2:52 pm

3 stops43h 34m

$384

Saint Thomas IslandPhiladelphia

STT - PHL

STTPHL

Saint Thomas Island Cyril E King

Sun 1/25

3:57 pm-10:03 pm

1 stop7h 06m

Philadelphia

Sat 1/31

8:43 pm-2:52 pm

1 stop17h 09m

$396

Saint Thomas IslandPhiladelphia

STT - PHL

STTPHL

Saint Thomas Island Cyril E King

Tue 2/10

5:42 pm-11:50 pm

1 stop7h 08m

Philadelphia

Sat 2/14

7:46 pm-4:34 pm

2 stops19h 48m

$406

Saint Thomas IslandPhiladelphia

STT - PHL

STTPHL

Saint Thomas Island Cyril E King

Wed 2/11

3:57 pm-10:03 pm

1 stop7h 06m

$133

Saint Thomas IslandPhiladelphia

STT - PHL

STTPHL

Saint Thomas Island Cyril E King

Fri 2/13

3:36 pm-11:16 pm

1 stop8h 40m

$137

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/11

Showing 1-10 of 16 results
1
2

Compare providers for flights from Saint Thomas Island to Philadelphia

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Saint Thomas Island to Philadelphia in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Saint Thomas Island-Philadelphia flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Saint Thomas Island-Philadelphia flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Saint Thomas Island-Philadelphia flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Saint Thomas Island-Philadelphia flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Saint Thomas Island-Philadelphia flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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, April is the cheapest month in which you can book a flight from Saint Thomas Island to Philadelphia (average of $104). Flying from Saint Thomas Island to Philadelphia in July is currently the most expensive (average of $303). 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.

What is the cheapest time of day to fly from STT to PHL?

Find hourly flight availability from Saint Thomas Island to Philadelphia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 14, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Saint Thomas Island to Philadelphia as you normally would.

How much does it cost to fly round-trip from Saint Thomas Island to Philadelphia?

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 January 14, 2026.
Get a feel of what it's like to fly with 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.
American Airlines
7.2
Good
11,129 reviews

Crew

8.0

Boarding

7.5

Overall

7.2

Entertainment

6.9

Comfort

7.2

Food

6.4

Reviews

1 / 20
4.0
Okay

Susie,Jan 2026

TPA - CLT

I was sitting at the back of the plane and the flight attendants were so loud, talking to each other and laughing! I thought they were having a party back there.
American Airlines
7.2
Good
11,129 reviews
American Airlines
7.2
Good
11,129 reviews

Crew

8.0

Boarding

7.5

Overall

7.2

Entertainment

6.9

Comfort

7.2

Food

6.4

Reviews

1 / 20
4.0
Okay

Susie,Jan 2026

TPA - CLT

I was sitting at the back of the plane and the flight attendants were so loud, talking to each other and laughing! I thought they were having a party back there.
Spirit Airlines
6.3
Okay
8,319 reviews
American Airlines
7.2
Good
11,129 reviews

Crew

8.0

Boarding

7.5

Overall

7.2

Entertainment

6.9

Comfort

7.2

Food

6.4

Reviews

1 / 20
4.0
Okay

Susie,Jan 2026

TPA - CLT

I was sitting at the back of the plane and the flight attendants were so loud, talking to each other and laughing! I thought they were having a party back there.

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.

  • What airports do I use to fly from Saint Thomas Island to Philadelphia?

    You will need to book a flight from Saint Thomas Island Cyril E King to Philadelphia if you want to fly from Saint Thomas Island to Philadelphia. At least 2 different airlines have flights from Cyril E King (STT) to Philadelphia (PHL) on a regular basis. There are 2 flights to Philadelphia from the Saint Thomas Island airport per day. If you manage to book one that is nonstop, then you can expect the flight time from STT to PHL to be around 7h 06m.

  • 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. An alternate airline flying to your destination would be American Airlines. Users have found that Spirit Airlines is 60% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Saint Thomas Island to Philadelphia one-way?

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $65. Spirit Airlines flights start at $117 while deals on Delta start at $251 one-way.

  • What are the most reliable airlines from Saint Thomas Island to Philadelphia?

    Consider American Airlines (83%), Qatar Airways (70%) or Alaska Airlines (68%) when booking your flight. These represent the most reliable airlines when flying from Saint Thomas Island to Philadelphia.

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

    The cheapest flight price from Saint Thomas Island to Philadelphia is $277. On average you can expect to pay $420. The most popular route, (Saint Thomas Island Cyril E King - Philadelphia), can usually be booked for $308.

  • 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, April is the cheapest month in which you can book a flight from Saint Thomas Island to Philadelphia (average of $104). Flying from Saint Thomas Island to Philadelphia in July is currently the most expensive (average of $303). 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
Wildwood
Pottstown
Reading
Ocean City
King of Prussia
Cherry Hill
Lewes
Dewey Beach
Ephrata
Camden
Vineland
Milford
Dover
Elkton
Essington
Willow Grove
New Castle
Millville
Newark
Chester

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Top 2 airlines flying from Saint Thomas Island to Philadelphia

Discover the top 2 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 January 14, 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$197Average$322FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$579Average$670FlexibilityNo cancel feeOn-time71%

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