Saint Thomas Island

$91+ 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 8/7. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — STT
Aug 4 — Aug 111
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Pennsylvania to Saint Thomas Island with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 July 30, 2025.

Round-trip from

$173
(Priceline)

One-way from

$91
(Priceline)

Popular in

December

Cheapest in

September

Average price

$576

Good round-trip deal

$690 or less
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. 7% potential increase in price ($45 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).
Average for round-trip flights in July 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 July 30, 2025.

This Priceline deal was found by Cheapflights users on 7/29. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/710:00 pmEWR - STT
1 stop18h 29mFrontier
Mon 8/115:14 pmSTT - EWR
1 stop27h 51mFrontier
Deal found 7/29$173
This Priceline deal was found by Cheapflights users on 7/29. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/78:05 pmPHL - STT
1 stop20h 24mFrontier
Mon 8/115:14 pmSTT - PHL
1 stop8h 31mFrontier
Deal found 7/29$173
This CheapOair deal was found by Cheapflights users on 7/29. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/78:05 pmPHL - STT
1 stop20h 24mMultiple Airlines
Thu 8/1412:18 pmSTT - PHL
1 stop11h 02mMultiple Airlines
Deal found 7/29$205
This Priceline deal was found by Cheapflights users on 7/29. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/116:00 amJFK - STT
1 stop10h 29mFrontier
Fri 8/155:14 pmSTT - JFK
1 stop8h 19mFrontier
Deal found 7/29$211
This FlightHub deal was found by Cheapflights users on 7/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/198:41 pmPHL - STT
2 stops17h 07mSpirit Airlines
Fri 8/222:43 pmSTT - PHL
1 stop8h 46mSpirit Airlines
Deal found 7/29$213
This Mytrip deal was found by Cheapflights users on 7/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/157:10 amPIT - STT
1 stop7h 47mSpirit Airlines
Mon 9/2210:49 amSTT - PIT
1 stop8h 09mSpirit Airlines
Deal found 7/30$213
This CheapOair deal was found by Cheapflights users on 7/28. 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.
Sun 8/1710:05 pmEWR - STT
1 stop18h 24mMultiple Airlines
Sat 8/2312:18 pmSTT - EWR
1 stop7h 28mMultiple Airlines
Deal found 7/28$218
This Booking.com deal was found by Cheapflights users on 7/29. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/205:55 amLGA - STT
1 stop7h 53mSpirit Airlines
Sat 8/2312:18 pmSTT - LGA
1 stop11h 02mSpirit Airlines
Deal found 7/29$221
This CheapOair deal was found by Cheapflights users on 7/28. 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 10/118:31 pmEWR - STT
1 stop16h 25mSpirit Airlines
Sat 10/182:01 pmSTT - EWR
1 stop8h 43mSpirit Airlines
Deal found 7/28$236
This American Airlines deal was found by Cheapflights users on 7/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/126:10 amPIT - STT
1 stop9h 50mAmerican Airlines
Mon 9/155:10 pmSTT - PIT
2 stops19h 00mAmerican Airlines
Deal found 7/30$269
This Bravofly deal was found by Cheapflights users on 7/29. 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/168:50 pmJFK - STT
1 stop17h 45mJetBlue
Mon 10/203:30 pmSTT - JFK
1 stop15h 30mJetBlue
Deal found 7/29$304
This Delta deal was found by Cheapflights users on 7/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/318:37 amJFK - STT
Nonstop3h 59mDelta
Wed 1/74:59 pmSTT - JFK
Nonstop4h 34mDelta
Deal found 7/28$316

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 July 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

Thu 8/7

8:05 pm-4:29 pm

1 stop20h 24m

Saint Thomas Island Cyril E King

Mon 8/11

5:14 pm-1:45 am

1 stop8h 31m

$173

PhiladelphiaSaint Thomas Island

PHL - STT

PHLSTT

Philadelphia

Thu 8/7

8:05 pm-4:29 pm

1 stop20h 24m

Saint Thomas Island Cyril E King

Thu 8/14

12:18 pm-11:20 pm

1 stop11h 02m

$205

New YorkSaint Thomas Island

JFK - STT

JFKSTT

New York John F Kennedy Intl

Mon 8/11

6:00 am-4:29 pm

1 stop10h 29m

Saint Thomas Island Cyril E King

Fri 8/15

5:14 pm-1:33 am

1 stop8h 19m

$211

PhiladelphiaSaint Thomas Island

PHL - STT

PHLSTT

Philadelphia

Tue 8/19

8:41 pm-1:48 pm

2 stops17h 07m

Saint Thomas Island Cyril E King

Fri 8/22

2:43 pm-11:29 pm

1 stop8h 46m

$213

PittsburghSaint Thomas Island

PIT - STT

PITSTT

Pittsburgh

Mon 9/15

7:10 am-2:57 pm

1 stop7h 47m

Saint Thomas Island Cyril E King

Mon 9/22

10:49 am-6:58 pm

1 stop8h 09m

$213

NewarkSaint Thomas Island

EWR - STT

EWRSTT

Newark

Sun 8/17

10:05 pm-4:29 pm

1 stop18h 24m

Saint Thomas Island Cyril E King

Sat 8/23

12:18 pm-7:46 pm

1 stop7h 28m

$218

New YorkSaint Thomas Island

LGA - STT

LGASTT

New York LaGuardia

Wed 8/20

5:55 am-1:48 pm

1 stop7h 53m

Saint Thomas Island Cyril E King

Sat 8/23

12:18 pm-11:20 pm

1 stop11h 02m

$221

NewarkSaint Thomas Island

EWR - STT

EWRSTT

Newark

Sat 10/11

8:31 pm-12:56 pm

1 stop16h 25m

Saint Thomas Island Cyril E King

Sat 10/18

2:01 pm-10:44 pm

1 stop8h 43m

$236

NewarkSaint Thomas Island

EWR - STT

EWRSTT

Newark

Sun 8/10

10:05 pm-4:29 pm

1 stop18h 24m

Saint Thomas Island Cyril E King

Fri 8/15

5:14 pm-9:10 pm

1 stop27h 56m

$249

PittsburghSaint Thomas Island

PIT - STT

PITSTT

Pittsburgh

Fri 9/12

5:00 pm-12:50 pm

2 stops19h 50m

Saint Thomas Island Cyril E King

Mon 9/15

5:10 pm-9:44 am

2 stops16h 34m

$269

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 57 results
1
2
3
...
6

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, September is the cheapest month in which you can book a flight from Pennsylvania to Saint Thomas Island (average of $433). Flying from Pennsylvania to Saint Thomas Island in June is currently the most expensive (average of $649). 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 July 30, 2025.

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

Reviews of airlines servicing Saint Thomas Island

Get insights into the airlines that provide service to Saint Thomas Island. 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 Saint Thomas Island. Reviews last updated July 30, 2025.
Get a feel of what it's like to fly with Delta, United Airlines, and JetBlue from Pennsylvania to Saint Thomas Island by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Entertainment

7.9

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

7.9

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!
8.0
Very good
8.0
Very good

Entertainment

7.9

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

7.9

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!
8.0
Very good

Entertainment

7.9

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

7.9

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!
8.0
Very good

Entertainment

7.9

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

7.9

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!
8.0
Very good

Entertainment

7.9

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

7.9

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!
8.0
Very good

Entertainment

7.9

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

7.9

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 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.

  • 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 $91. Users have also found prices from $115 and $156 on Spirit 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 $984, our data shows the cheapest flight currently is $570. When looking at the most popular route, (New York John F Kennedy Intl - Saint Thomas Island Cyril E King), you can expect to pay $248 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, September is the cheapest month in which you can book a flight from Pennsylvania to Saint Thomas Island (average of $433). Flying from Pennsylvania to Saint Thomas Island in June is currently the most expensive (average of $649). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 July 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$108Average$176FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$201Average$369FlexibilityNo cancel feeOn-time65%
DeltaCheapest$279Average$672FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$279Average$653FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$280Average$666FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.