Saint Thomas Island

$108+ 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 11/20. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — STT
Nov 29 — Dec 61
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Cheap 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 October 30, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$248
(Cheapflightsfares)

One-way from

$108
(Kiwi.com)

Popular in

October

Cheapest in

September

Average price

$737

Good round-trip deal

$750 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
High demand for flights, 2% potential price rise
Cheapest flight prices on average. 2% potential price decrease ($14 potential savings vs. average RT price).
Average for round-trip flights in October 2025
Price to beat on a round-trip flight from Pennsylvania to Saint Thomas Island Cyril E King.

Find 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 October 30, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 10/30. 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 12/35:25 amPHL - STT
1 stop6h 30mSpirit Airlines
Sat 12/63:54 pmSTT - PHL
1 stop8h 40mSpirit Airlines
Deal found 10/30$252
This Cheapflightsfares deal was found by Cheapflights users on 10/30. 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 12/48:33 pmEWR - STT
1 stop14h 23mSpirit Airlines
Sat 12/61:01 pmSTT - EWR
1 stop9h 59mSpirit Airlines
Deal found 10/30$258
This Cheapflightsfares deal was found by Cheapflights users on 10/30. 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 12/118:33 pmEWR - STT
1 stop14h 23mSpirit Airlines
Mon 12/153:54 pmSTT - EWR
1 stop10h 35mSpirit Airlines
Deal found 10/30$260
This American Airlines deal was found by Cheapflights users on 10/28. 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 1/86:39 pmSTT - PIT
1 stop17h 31mAmerican Airlines
Deal found 10/28$265
This Cheapflightsfares deal was found by Cheapflights users on 10/28. 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.
Tue 11/255:25 amPHL - STT
1 stop6h 30mSpirit Airlines
Tue 12/22:00 pmSTT - PHL
1 stop10h 46mSpirit Airlines
Deal found 10/28$267
This Cheapflightsfares deal was found by Cheapflights users on 10/30. 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 12/36:05 amEWR - STT
1 stop7h 25mSpirit Airlines
Sat 12/63:54 pmSTT - EWR
1 stop10h 35mSpirit Airlines
Deal found 10/30$270
This American Airlines deal was found by Cheapflights users on 10/28. 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.
Sat 11/156:48 pmPIT - STT
2 stops18h 28mAmerican Airlines
Sat 11/224:27 pmSTT - PIT
1 stop9h 10mAmerican Airlines
Deal found 10/28$272
This Cheapflightsfares deal was found by Cheapflights users on 10/29. 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.
Mon 12/87:10 amPIT - STT
1 stop6h 39mSpirit Airlines
Sat 12/133:54 pmSTT - PIT
1 stop8h 34mSpirit Airlines
Deal found 10/29$274
This Kiwi.com deal was found by Cheapflights users on 10/29. 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.
Fri 11/1412:14 pmPIT - STT
1 stop23h 46mSpirit Airlines
Sat 12/61:01 pmSTT - PIT
1 stop12h 40mSpirit Airlines
Deal found 10/29$276
This CheapOair deal was found by Cheapflights users on 10/28. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/156:00 amPHL - STT
1 stop6h 00mSpirit Airlines
Sat 11/222:00 pmSTT - PHL
1 stop10h 46mSpirit Airlines
Deal found 10/28$279
This Cheapflightsfares deal was found by Cheapflights users on 10/30. 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.
Fri 11/216:05 amEWR - STT
1 stop7h 25mSpirit Airlines
Wed 11/262:00 pmSTT - EWR
1 stop11h 31mSpirit Airlines
Deal found 10/30$280
This American Airlines deal was found by Cheapflights users on 10/29. 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 11/116:36 pmPIT - STT
2 stops18h 40mAmerican Airlines
Tue 12/96:17 pmSTT - PIT
2 stops16h 23mAmerican Airlines
Deal found 10/29$283

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 October 30, 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

PhiladelphiaSaint Thomas Island

PHL - STT

PHLSTT

Philadelphia

Sun 1/25

5:15 am-12:28 pm

1 stop6h 13m

Saint Thomas Island Cyril E King

Thu 1/29

4:06 pm-10:05 pm

1 stop6h 59m

$252

PittsburghSaint Thomas Island

PIT - STT

PITSTT

Pittsburgh

Tue 1/27

6:00 am-3:04 pm

1 stop8h 04m

Saint Thomas Island Cyril E King

Mon 2/2

4:15 pm-11:35 pm

1 stop8h 20m

$265

PittsburghSaint Thomas Island

PIT - STT

PITSTT

Pittsburgh

Thu 1/22

6:00 am-5:05 pm

1 stop10h 05m

Saint Thomas Island Cyril E King

Wed 1/28

6:39 pm-9:57 am

2 stops16h 18m

$265

PittsburghSaint Thomas Island

PIT - STT

PITSTT

Pittsburgh

Thu 1/22

6:00 am-3:04 pm

1 stop8h 04m

Saint Thomas Island Cyril E King

Wed 1/28

4:15 pm-11:35 pm

1 stop8h 20m

$265

PittsburghSaint Thomas Island

PIT - STT

PITSTT

Pittsburgh

Wed 12/31

6:51 pm-12:40 pm

1 stop16h 49m

Saint Thomas Island Cyril E King

Thu 1/8

6:39 pm-9:33 am

2 stops15h 54m

$265

PittsburghSaint Thomas Island

PIT - STT

PITSTT

Pittsburgh

Tue 1/6

6:44 pm-2:36 pm

2 stops18h 52m

Saint Thomas Island Cyril E King

Sun 1/11

6:39 pm-11:10 am

1 stop17h 31m

$265

PhiladelphiaSaint Thomas Island

PHL - STT

PHLSTT

Philadelphia

Sun 1/11

5:15 am-3:11 pm

2 stops8h 56m

Saint Thomas Island Cyril E King

Sun 2/8

1:33 pm-12:32 am

1 stop11h 59m

$274

New YorkSaint Thomas Island

JFK - STT

JFKSTT

New York John F Kennedy Intl

Mon 1/5

8:44 am-1:49 pm

Nonstop4h 05m

Saint Thomas Island Cyril E King

Wed 1/14

5:20 pm-8:46 pm

Nonstop4h 26m

$296

New YorkSaint Thomas Island

JFK - STT

JFKSTT

New York John F Kennedy Intl

Thu 2/26

8:41 am-1:45 pm

Nonstop4h 04m

Saint Thomas Island Cyril E King

Tue 3/10

3:56 pm-8:35 pm

Nonstop4h 39m

$296

New YorkSaint Thomas Island

JFK - STT

JFKSTT

New York John F Kennedy Intl

Wed 2/25

8:41 am-1:45 pm

Nonstop4h 04m

Saint Thomas Island Cyril E King

Thu 3/5

4:59 pm-8:33 pm

Nonstop4h 34m

$296

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

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 $111). Flying from Pennsylvania to Saint Thomas Island in June is currently the most expensive (average of $254). 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 October 30, 2025.

It’s typically best to fly out from Pennsylvania to Saint Thomas Island at noon. Doing so could potentially save you 45% 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 $252, Spirit Airlines can have you in Saint Thomas Island from Pennsylvania in 6h 13m. The distance between Pennsylvania and Saint Thomas Island is about 1608 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 Spirit Airlines. According to our data, you can fly for as low as $122. Users have also found prices from $140 and $145 on American Airlines and United Airlines, respectively.

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

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

    While on average a flight from Pennsylvania to Saint Thomas Island is generally $979, our data shows the cheapest flight currently is $541. When looking at the most popular route, (New York John F Kennedy Intl - Saint Thomas Island Cyril E King), you can expect to pay $273 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 $111). Flying from Pennsylvania to Saint Thomas Island in June is currently the most expensive (average of $254). 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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$108Average$221FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$201Average$375FlexibilityNo cancel feeOn-time65%
DeltaCheapest$279Average$660FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$279Average$627FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$283Average$674FlexibilityNo cancel feeOn-time71%

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