Saint Thomas Island

$93+ Cheap flights from Pennsylvania to Saint Thomas Island (STT)

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 1/6. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — STT
Jan 17 — Jan 241
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Cheap flight deals from Pennsylvania to Saint Thomas Island

Cheapest flights from Pennsylvania to Saint Thomas Island
Explore the most affordable flight options available from Pennsylvania to Saint Thomas Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This JetBlue deal was found by Cheapflights users on 12/17. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/285:01 amJFK - STT
1 stop7h 59mJetBlue
Sun 1/42:55 pmSTT - JFK
1 stop6h 35mJetBlue
Deal found 12/17$251
This American Airlines deal was found by Cheapflights users on 12/16. 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.
Wed 12/316:51 pmPIT - STT
1 stop16h 49mAmerican Airlines
Thu 1/82:54 pmSTT - PIT
1 stop10h 05mAmerican Airlines
Deal found 12/16$253
This United Airlines deal was found by Cheapflights users on 12/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/256:30 amDCA - STT
1 stop8h 48mUnited Airlines
Tue 12/303:05 pmSTT - DCA
1 stop8h 34mUnited Airlines
Deal found 12/17$263
This United Airlines deal was found by Cheapflights users on 12/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2212:45 pmIAD - STT
Nonstop3h 57mUnited Airlines
Fri 12/263:05 pmSTT - IAD
1 stop10h 10mUnited Airlines
Deal found 12/16$275
This United Airlines deal was found by Cheapflights users on 12/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/216:30 amDCA - STT
1 stop8h 48mUnited Airlines
Wed 12/243:05 pmSTT - DCA
1 stop9h 54mUnited Airlines
Deal found 12/17$279
This American Airlines deal was found by Cheapflights users on 12/15. 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 12/165:59 amDCA - STT
1 stop9h 59mAmerican Airlines
Mon 12/224:25 pmSTT - DCA
1 stop8h 20mAmerican Airlines
Deal found 12/15$290
This United Airlines deal was found by Cheapflights users on 12/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/178:15 amIAD - STT
Nonstop3h 57mUnited Airlines
Wed 12/241:02 pmSTT - IAD
Nonstop4h 23mUnited Airlines
Deal found 12/16$291
This JetBlue deal was found by Cheapflights users on 12/17. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/205:01 amJFK - STT
1 stop7h 24mJetBlue
Mon 12/222:55 pmSTT - JFK
1 stop6h 35mJetBlue
Deal found 12/17$293
This United Airlines deal was found by Cheapflights users on 12/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/186:30 amIAD - STT
1 stop8h 48mUnited Airlines
Tue 12/235:20 pmSTT - IAD
Nonstop4h 23mUnited Airlines
Deal found 12/15$301
This American Airlines deal was found by Cheapflights users on 12/16. 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.
Wed 12/177:00 amDCA - STT
1 stop8h 58mAmerican Airlines
Sun 12/214:34 pmSTT - DCA
1 stop6h 41mAmerican Airlines
Deal found 12/16$306
This JetBlue deal was found by Cheapflights users on 12/17. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/287:28 amEWR - STT
1 stop5h 32mJetBlue
Sun 1/42:55 pmSTT - EWR
1 stop7h 05mJetBlue
Deal found 12/17$312
This American Airlines deal was found by Cheapflights users on 12/15. 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 12/167:35 amEWR - STT
1 stop8h 23mAmerican Airlines
Sat 12/204:34 pmSTT - EWR
1 stop6h 52mAmerican Airlines
Deal found 12/15$315

Find flight deals from Pennsylvania to Saint Thomas Island

Keep the following information in mind while searching for Pennsylvania to Saint Thomas Island flight deals. Data was last updated December 18, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$227
(American Airlines)

One-way from

$93
(American Airlines)

Popular in

December

Cheapest in

September

Average price

$968

Good round-trip deal

$670 or less

Good one-way deal

$323 or less
Provider with most accurate pricing for Philadelphia-Saint Thomas Island Cyril E King flight deals.
Provider most trusted by Cheapflights users for Philadelphia-Saint Thomas Island Cyril E King flights.
From Pennsylvania to Saint Thomas Island Cyril E King
One-way flight from Pennsylvania to Saint Thomas Island Cyril E King
Highest demand for flights based on searches. 11% potential increase in price ($78 potential increase over avg. RT price).
Cheapest flight prices on average. 5% potential price decrease ($32 potential savings vs. average RT price).
Average for round-trip flights in December 2025
Price to beat on a round-trip flight from Pennsylvania to Saint Thomas Island Cyril E King.
Price to beat on a one-way flight from Pennsylvania to Saint Thomas Island Cyril E King.

Cheapflights Fare Finder

 
Customize your flight search to find flights from Pennsylvania to Saint Thomas Island 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 December 18, 2025.
Use the filters below to find and compare flights from Pennsylvania to Saint Thomas Island that are best for you.

Fly from

Pennsylvania

Fly to

Saint Thomas Island

Route

Depart

Return

Price

PittsburghSaint Thomas Island

PIT - STT

PITSTT

Pittsburgh

Wed 1/21

6:00 am-1:46 pm

1 stop6h 46m

Saint Thomas Island Cyril E King

Wed 1/28

1:50 pm-11:10 pm

2 stops10h 20m

$227

PittsburghSaint Thomas Island

PIT - STT

PITSTT

Pittsburgh

Thu 1/29

7:00 am-4:18 pm

1 stop8h 18m

Saint Thomas Island Cyril E King

Mon 2/2

3:05 pm-11:44 pm

1 stop9h 39m

$227

PittsburghSaint Thomas Island

PIT - STT

PITSTT

Pittsburgh

Tue 1/13

6:00 am-1:46 pm

1 stop6h 46m

Saint Thomas Island Cyril E King

Tue 2/17

2:45 pm-11:54 pm

1 stop10h 09m

$227

PittsburghSaint Thomas Island

PIT - STT

PITSTT

Pittsburgh

Sun 1/18

7:00 am-4:18 pm

1 stop8h 18m

Saint Thomas Island Cyril E King

Thu 1/22

3:05 pm-11:44 pm

1 stop9h 39m

$227

PittsburghSaint Thomas Island

PIT - STT

PITSTT

Pittsburgh

Thu 3/5

6:46 am-4:52 pm

1 stop9h 06m

Saint Thomas Island Cyril E King

Mon 3/9

12:05 pm-9:00 pm

1 stop8h 55m

$227

PittsburghSaint Thomas Island

PIT - STT

PITSTT

Pittsburgh

Thu 1/8

7:00 am-4:18 pm

1 stop8h 18m

Saint Thomas Island Cyril E King

Mon 1/12

3:05 pm-11:44 pm

1 stop9h 39m

$227

PittsburghSaint Thomas Island

PIT - STT

PITSTT

Pittsburgh

Thu 1/22

6:00 am-3:56 pm

1 stop8h 56m

Saint Thomas Island Cyril E King

Mon 1/26

2:54 pm-11:59 pm

1 stop10h 05m

$227

PittsburghSaint Thomas Island

PIT - STT

PITSTT

Pittsburgh

Thu 1/8

6:00 am-5:05 pm

1 stop10h 05m

Saint Thomas Island Cyril E King

Mon 1/12

2:26 pm-11:10 pm

2 stops9h 44m

$227

PittsburghSaint Thomas Island

PIT - STT

PITSTT

Pittsburgh

Fri 2/27

7:01 pm-12:21 pm

1 stop16h 20m

Saint Thomas Island Cyril E King

Tue 3/3

2:45 pm-10:50 pm

2 stops9h 05m

$227

PhiladelphiaSaint Thomas Island

PHL - STT

PHLSTT

Philadelphia

Tue 2/10

6:00 am-4:37 pm

1 stop9h 37m

Saint Thomas Island Cyril E King

Wed 2/18

2:01 pm-10:45 pm

2 stops9h 44m

$250

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 60 results
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Best time to book a flight from Pennsylvania to Saint Thomas Island

Have a flexible travel schedule? Discover the best time to fly to Saint Thomas Island from Pennsylvania 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 Pennsylvania to Saint Thomas Island

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

Currently, March is the cheapest month in which you can book a flight from Pennsylvania to Saint Thomas Island (average of $110). Flying from Pennsylvania to Saint Thomas Island in December is currently the most expensive (average of $280). 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 PA to STT?

Find hourly flight availability from Pennsylvania to Saint Thomas Island. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2025.

It’s typically best to fly out from Pennsylvania to Saint Thomas Island at noon. Doing so could potentially save you 46% on the flight price compared to flying in the morning, which is usually more expensive.

Related info for your journey

Find useful and relevant information for your journey from Pennsylvania to Saint Thomas Island. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly into for flights to Saint Thomas Island from Pennsylvania?

    Saint Thomas Island Cyril E King (STT), located 2.8 mi from the city center, is the airport you fly into when you book flights from Pennsylvania to Saint Thomas Island.

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

    For as low as $227, American Airlines can have you in Saint Thomas Island from Pennsylvania in 6h 46m. The distance between Pennsylvania and Saint Thomas Island is about 1778 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as $53. Users have also found prices from $108 and $234 on Spirit Airlines and United Airlines, respectively.

  • What are the most popular routes from Pennsylvania to Saint Thomas Island?

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Pennsylvania to Saint Thomas Island on time: American Airlines (100%), Qatar Airways (100%), Alaska Airlines (100%).

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

    While on average a flight from Pennsylvania to Saint Thomas Island is generally $594, our data shows the cheapest flight currently is $323. When looking at the most popular route, (Newark - Saint Thomas Island Cyril E King), you can expect to pay $210 for that flight.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Pennsylvania to Saint Thomas Island 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 Pennsylvania to Saint Thomas Island?

    Currently, March is the cheapest month in which you can book a flight from Pennsylvania to Saint Thomas Island (average of $110). Flying from Pennsylvania to Saint Thomas Island in December is currently the most expensive (average of $280). 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
St. John

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Alternative routes for Pennsylvania to Saint Thomas Island

See prices for flight routes from nearby airports that may be better suited for you.

Top 5 airlines flying from Pennsylvania to Saint Thomas Island

Discover the top 5 airlines that operate flights from Pennsylvania to Saint Thomas Island. 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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$108Average$222FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$205Average$373FlexibilityNo cancel feeOn-time65%
DeltaCheapest$279Average$676FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$279Average$591FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$279Average$676FlexibilityNo cancel feeOn-time71%

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