Saint Thomas Island

$84+ 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 4/28. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — STT
avr. 27 — mai 41
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 avril 22, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$219
(CheapOair)

One-way from

$85
(Cheapflightsfares)

Popular in

December

Cheapest in

September

Average price

$624

Good round-trip deal

$620 or less

Good one-way deal

$403 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. 6% potential increase in price ($42 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average RT price).
Average for round-trip flights in April 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.

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 avril 22, 2025.

This CheapOair deal was found by Cheapflights users on 4/22. 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.
jeu. 6/198:05 pmPHL - STT
1 stop20h 22mFrontier
lun. 6/235:12 pmSTT - PHL
1 stop8h 30mFrontier
Deal found 4/22$219
This FlightHub deal was found by Cheapflights users on 4/21. 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.
jeu. 5/89:57 pmPHL - STT
1 stop14h 15mMultiple Airlines
jeu. 5/1510:52 amSTT - PHL
1 stop11h 51mMultiple Airlines
Deal found 4/21$243
This Frontier deal was found by Cheapflights users on 4/21. 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.
lun. 6/306:00 amJFK - STT
1 stop10h 27mFrontier
lun. 7/75:14 pmSTT - JFK
1 stop8h 19mFrontier
Deal found 4/21$256
This Cheapflightsfares deal was found by Cheapflights users on 4/22. 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.
mar. 5/135:54 amLGA - STT
1 stop7h 42mSpirit Airlines
mar. 5/2010:52 amSTT - LGA
1 stop12h 32mSpirit Airlines
Deal found 4/22$260
This Delta deal was found by Cheapflights users on 4/21. 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.
lun. 6/28:00 amJFK - STT
Nonstop4h 07mDelta
mar. 6/174:01 pmSTT - JFK
Nonstop4h 28mDelta
Deal found 4/21$276
This CheapOair deal was found by Cheapflights users on 4/22. 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.
jeu. 4/2411:25 amEWR - STT
1 stop24h 50mFrontier
lun. 4/281:12 pmSTT - EWR
1 stop21h 13mFrontier
Deal found 4/22$279
This American Airlines deal was found by Cheapflights users on 4/22. 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.
lun. 5/266:00 amPIT - STT
1 stop10h 20mAmerican Airlines
mer. 6/45:10 pmSTT - PIT
2 stops16h 08mAmerican Airlines
Deal found 4/22$279
This United Airlines deal was found by Cheapflights users on 4/21. 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.
lun. 5/55:50 amEWR - STT
1 stop7h 11mUnited Airlines
jeu. 5/82:10 pmSTT - EWR
Nonstop4h 29mUnited Airlines
Deal found 4/21$281
This American Airlines deal was found by Cheapflights users on 4/21. 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.
mar. 4/299:30 amJFK - STT
1 stop7h 29mAmerican Airlines
jeu. 5/11:30 pmSTT - JFK
Nonstop4h 30mAmerican Airlines
Deal found 4/21$281
This American Airlines deal was found by Cheapflights users on 4/22. 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.
sam. 5/107:00 pmEWR - STT
1 stop15h 55mAmerican Airlines
mer. 5/143:40 pmSTT - EWR
1 stop8h 29mAmerican Airlines
Deal found 4/22$285
This Cheapflightsfares deal was found by Cheapflights users on 4/21. 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.
mar. 5/209:55 pmEWR - STT
1 stop15h 41mSpirit Airlines
jeu. 5/291:21 pmSTT - EWR
1 stop9h 52mSpirit Airlines
Deal found 4/21$286
This Orbitz deal was found by Cheapflights users on 4/21. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 5/122:50 pmEWR - STT
2 stops19h 07mMultiple Airlines
ven. 5/161:12 pmSTT - EWR
1 stop12h 25mMultiple Airlines
Deal found 4/21$288

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 avril 22, 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

jeu. 6/19

8:05 pm-4:27 pm

1 stop20h 22m

Saint Thomas Island Cyril E King

lun. 6/23

5:12 pm-1:42 am

1 stop8h 30m

$219

PhiladelphiaSaint Thomas Island

PHL - STT

PHLSTT

Philadelphia

jeu. 5/8

9:57 pm-12:12 pm

1 stop14h 15m

Saint Thomas Island Cyril E King

jeu. 5/15

10:52 am-10:43 pm

1 stop11h 51m

$243

New YorkSaint Thomas Island

JFK - STT

JFKSTT

New York John F Kennedy Intl

lun. 6/30

6:00 am-4:27 pm

1 stop10h 27m

Saint Thomas Island Cyril E King

lun. 7/7

5:14 pm-1:33 am

1 stop8h 19m

$256

New YorkSaint Thomas Island

LGA - STT

LGASTT

New York LaGuardia

mar. 5/13

5:54 am-1:36 pm

1 stop7h 42m

Saint Thomas Island Cyril E King

mar. 5/20

10:52 am-11:24 pm

1 stop12h 32m

$260

New YorkSaint Thomas Island

JFK - STT

JFKSTT

New York John F Kennedy Intl

lun. 6/2

8:00 am-12:07 pm

Nonstop4h 07m

Saint Thomas Island Cyril E King

mar. 6/17

4:01 pm-8:29 pm

Nonstop4h 28m

$276

PittsburghSaint Thomas Island

PIT - STT

PITSTT

Pittsburgh

lun. 5/26

6:00 am-4:20 pm

1 stop10h 20m

Saint Thomas Island Cyril E King

mer. 6/4

5:10 pm-9:18 am

2 stops16h 08m

$279

NewarkSaint Thomas Island

EWR - STT

EWRSTT

Newark

ven. 4/25

5:59 am-12:15 pm

1 stop6h 16m

Saint Thomas Island Cyril E King

lun. 4/28

1:12 pm-10:25 am

1 stop21h 13m

$279

NewarkSaint Thomas Island

EWR - STT

EWRSTT

Newark

lun. 5/5

5:50 am-1:01 pm

1 stop7h 11m

Saint Thomas Island Cyril E King

jeu. 5/8

2:10 pm-6:39 pm

Nonstop4h 29m

$281

New YorkSaint Thomas Island

JFK - STT

JFKSTT

New York John F Kennedy Intl

lun. 5/5

8:29 am-12:44 pm

Nonstop4h 15m

Saint Thomas Island Cyril E King

mer. 5/14

3:19 pm-9:55 pm

1 stop6h 36m

$281

NewarkSaint Thomas Island

EWR - STT

EWRSTT

Newark

sam. 5/10

7:00 pm-10:55 am

1 stop15h 55m

Saint Thomas Island Cyril E King

mer. 5/14

3:40 pm-12:09 am

1 stop8h 29m

$285

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/20

Showing 1-10 of 60 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 $640). 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 avril 22, 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 avril 22, 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines and JetBlue from Pennsylvania to Saint Thomas Island to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good
8.0
Very good

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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 $85. Users have also found prices from $127 and $141 on Spirit Airlines and American 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: Qatar Airways (100%), Alaska Airlines (73%), American Airlines (69%).

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

    While on average a flight from Pennsylvania to Saint Thomas Island is generally $561, our data shows the cheapest flight currently is $283. When looking at the most popular route, (New York John F Kennedy Intl - Saint Thomas Island Cyril E King), you can expect to pay $226 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 $640). 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 Pennsylvania?

Book flights to Pennsylvania 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 avril 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$108Average$159FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$198Average$341FlexibilityNo cancel feeOn-time65%
DeltaCheapest$277Average$661FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$279Average$684FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$280Average$669FlexibilityNo 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.