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$110+ 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 7/11. Fares are subject to change and may not be available on all flights or dates of travel.
STT — PHL
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$240
(Priceline)

One-way from

$110
(Priceline)

Popular in

April

Cheapest in

February

Average price

$320

Good one-way deal

$314 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. 17% potential increase in price ($105 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($22 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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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 June 12, 2025.

This Priceline deal was found by Cheapflights users on 6/11. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/145:14 pmSTT - PHL
1 stop8h 31mMultiple Airlines
Sat 7/266:13 amPHL - STT
1 stop8h 57mMultiple Airlines
Deal found 6/11$240
This FlightHub deal was found by Cheapflights users on 6/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/91:25 pmSTT - PHL
2 stops10h 05mSpirit Airlines
Sun 7/207:05 pmPHL - STT
1 stop17h 25mSpirit Airlines
Deal found 6/11$243
This Frontier deal was found by Cheapflights users on 6/11. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/115:14 pmSTT - PHL
1 stop8h 31mFrontier
Mon 7/146:00 amPHL - STT
1 stop10h 29mFrontier
Deal found 6/11$300
This American Airlines deal was found by Cheapflights users on 6/12. 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.
Tue 12/235:00 pmSTT - PHL
Nonstop4h 20mAmerican Airlines
Sat 1/39:00 pmPHL - STT
1 stop15h 45mAmerican Airlines
Deal found 6/12$575
This deal was found by Cheapflights users on 6/11. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/104:45 pmSTT - PHL
1 stop6h 29mUnited Airlines
Sun 7/206:05 amPHL - STT
1 stop6h 12mUnited Airlines
Deal found 6/11$764
This Delta deal was found by Cheapflights users on 6/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/91:27 pmSTT - PHL
2 stops9h 41mDelta
Sat 7/128:00 amPHL - STT
1 stop8h 20mDelta
Deal found 6/11$3,929

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 June 12, 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

Mon 7/14

5:14 pm-1:45 am

1 stop8h 31m

Philadelphia

Sat 7/26

6:13 am-3:10 pm

1 stop8h 57m

$240

Saint Thomas IslandPhiladelphia

STT - PHL

STTPHL

Saint Thomas Island Cyril E King

Wed 7/9

1:25 pm-11:30 pm

2 stops10h 05m

Philadelphia

Sun 7/20

7:05 pm-12:30 pm

1 stop17h 25m

$243

Saint Thomas IslandPhiladelphia

STT - PHL

STTPHL

Saint Thomas Island Cyril E King

Fri 7/11

5:14 pm-1:45 am

1 stop8h 31m

Philadelphia

Mon 7/14

6:00 am-4:29 pm

1 stop10h 29m

$300

Saint Thomas IslandPhiladelphia

STT - PHL

STTPHL

Saint Thomas Island Cyril E King

Mon 7/14

5:05 pm-9:39 am

1 stop16h 34m

Philadelphia

Sat 7/26

9:14 am-1:09 pm

Nonstop3h 55m

$660

Saint Thomas IslandPhiladelphia

STT - PHL

STTPHL

Saint Thomas Island Cyril E King

Thu 7/10

4:45 pm-11:14 pm

1 stop6h 29m

Philadelphia

Sun 7/20

6:05 am-12:17 pm

1 stop6h 12m

$764

Saint Thomas IslandPhiladelphia

STT - PHL

STTPHL

Saint Thomas Island Cyril E King

Wed 7/9

1:27 pm-11:08 pm

2 stops9h 41m

Philadelphia

Sat 7/12

8:00 am-4:20 pm

1 stop8h 20m

$3,929

Saint Thomas IslandPhiladelphia

STT - PHL

STTPHL

Saint Thomas Island Cyril E King

Fri 7/11

5:14 pm-1:45 am

1 stop8h 31m

$110

Saint Thomas IslandPhiladelphia

STT - PHL

STTPHL

Saint Thomas Island Cyril E King

Tue 7/29

4:05 pm-11:21 pm

1 stop7h 16m

$132

Saint Thomas IslandPhiladelphia

STT - PHL

STTPHL

Saint Thomas Island Cyril E King

Thu 6/19

6:05 pm-4:57 am

1 stop10h 52m

$220

Saint Thomas IslandPhiladelphia

STT - PHL

STTPHL

Saint Thomas Island Cyril E King

Thu 7/10

1:27 pm-10:23 pm

1 stop8h 56m

$327

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/9

Showing 1-10 of 12 results
1
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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.

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 June 12, 2025.

It’s optimal to fly from Saint Thomas Island to Philadelphia at noon. By choosing this option you can save up to 29% on the cost of your flight, compared to a flight in the morning.

Rainfall in Philadelphia by month

Plan your trip to Philadelphia by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Philadelphia ranges from 2.7 - 4.4 inches per month. July is typically the wettest month, when rainfall can reach 4.4 in. February is typically the driest time to visit Philadelphia when rainfall is around 2.7 in.

Temperature in Philadelphia by month

Plan your trip to Philadelphia by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Philadelphia, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 33.8 F).

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 June 12, 2025.
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,946 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Spirit Airlines
6.3
Okay
8,052 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Frontier
6.0
Okay
3,295 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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

    Spirit Airlines, at $243, was found to be the cheapest airline from Saint Thomas Island to Philadelphia.Alternate airlines to your destination round-trip include Frontier and American Airlines. Users have found that Spirit Airlines is 49% 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 $110. Spirit Airlines flights start at $132 while deals on Delta start at $327 one-way.

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

    Consider Alaska Airlines (92%), Qatar Airways (88%) or American Airlines (82%) 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 $176. On average you can expect to pay $559. The most popular route, (Saint Thomas Island Cyril E King - Philadelphia), can usually be booked for $240.

  • 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 Saint Thomas Island?

Book flights to Saint Thomas Island if you plan to visit one of these locations
Vineland
Wildwood
Pottstown
King of Prussia
Cherry Hill
Exton
Ocean City
Chester
Essington
Reading
Newark
Middletown
Millville
Ephrata
Camden
Dover
Elkton
Willow Grove
Glen Mills
Springfield

Browse thousands of different options on Cheapflights for your next trip

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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$197Average$320FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$418Average$648FlexibilityNo cancel feeOn-time71%

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