Saint Thomas Island

$109+ 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 5/10. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — STT
May 10 — May 171
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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 April 10, 2026.

This Delta deal was found by Cheapflights users on 4/6. 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.
Sun 5/105:40 am
PIT
-
STT
1 stop9h 37m
Delta
Thu 5/213:01 pm
STT
-
PIT
1 stop9h 44m
Delta
Deal found 4/6$230
This United Airlines deal was found by Cheapflights users on 4/7. 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.
Tue 5/59:01 am
EWR
-
STT
Nonstop4h 07m
United Airlines
Sat 5/96:05 pm
STT
-
EWR
Nonstop4h 27m
United Airlines
Deal found 4/7$241
This Delta deal was found by Cheapflights users on 4/8. 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.
Mon 5/48:05 am
JFK
-
STT
Nonstop4h 07m
Delta
Mon 5/114:27 pm
STT
-
JFK
Nonstop4h 21m
Delta
Deal found 4/8$241
This United Airlines deal was found by Cheapflights users on 4/7. 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.
Sat 5/27:30 am
EWR
-
STT
1 stop9h 30m
United Airlines
Wed 5/62:10 pm
STT
-
EWR
Nonstop4h 27m
United Airlines
Deal found 4/7$246
This Delta deal was found by Cheapflights users on 4/8. 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 5/66:20 am
JFK
-
STT
1 stop8h 28m
Delta
Tue 5/194:27 pm
STT
-
JFK
Nonstop4h 21m
Delta
Deal found 4/8$246
This Cheapflightsfares deal was found by Cheapflights users on 4/6. 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 4/216:30 pm
EWR
-
STT
1 stop15h 24m
Spirit Airlines
Thu 4/2310:49 am
STT
-
EWR
1 stop7h 10m
Spirit Airlines
Deal found 4/6$247
This United Airlines deal was found by Cheapflights users on 4/8. 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.
Sat 4/257:40 am
EWR
-
STT
1 stop9h 20m
United Airlines
Wed 4/292:10 pm
STT
-
EWR
1 stop11h 20m
United Airlines
Deal found 4/8$250
This Delta deal was found by Cheapflights users on 4/7. 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.
Tue 4/216:20 am
JFK
-
STT
1 stop8h 28m
Delta
Thu 4/303:05 pm
STT
-
JFK
1 stop9h 43m
Delta
Deal found 4/7$250
This Delta deal was found by Cheapflights users on 4/8. 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 5/66:00 am
LGA
-
STT
1 stop8h 48m
Delta
Wed 5/133:01 pm
STT
-
LGA
1 stop7h 19m
Delta
Deal found 4/8$250
This Delta deal was found by Cheapflights users on 4/9. 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.
Tue 5/125:40 am
PIT
-
STT
1 stop9h 37m
Delta
Wed 5/203:01 pm
STT
-
PIT
1 stop9h 44m
Delta
Deal found 4/9$250
This United Airlines deal was found by Cheapflights users on 4/6. 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.
Tue 4/149:01 am
EWR
-
STT
Nonstop4h 07m
United Airlines
Tue 4/212:10 pm
STT
-
EWR
1 stop11h 20m
United Airlines
Deal found 4/6$251
This American Airlines deal was found by Cheapflights users on 4/5. 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.
Mon 5/49:29 am
JFK
-
STT
Nonstop4h 06m
American Airlines
Mon 5/115:05 pm
STT
-
JFK
1 stop17h 15m
American Airlines
Deal found 4/5$251

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 April 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$230
(Delta)

One-way from

$109
(United Airlines)

Popular in

December

Cheapest in

July

Average price

$701

Good round-trip deal

$825 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. 7% potential increase in price ($55 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($24 potential savings vs. average RT price).
Average for round-trip flights in April 2026
Price to beat on a round-trip 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 April 10, 2026.
Use the filters below to find and compare flights from Pennsylvania to Saint Thomas Island that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

New YorkSaint Thomas Island

JFK - STT

JFKSTT

New York John F Kennedy Intl

Fri 5/8

8:00 am-12:06 pm

Nonstop4h 06m

Saint Thomas Island Cyril E King

Thu 5/14

4:27 pm-8:48 pm

Nonstop4h 21m

$241

New YorkSaint Thomas Island

JFK - STT

JFKSTT

New York John F Kennedy Intl

Mon 5/18

8:00 am-12:06 pm

Nonstop4h 06m

Saint Thomas Island Cyril E King

Tue 5/19

4:27 pm-8:48 pm

Nonstop4h 21m

$241

HarrisburgSaint Thomas Island

MDT - STT

MDTSTT

Harrisburg

Mon 4/20

6:15 am-3:31 pm

1 stop9h 16m

Saint Thomas Island Cyril E King

Fri 4/24

2:10 pm-12:42 am

1 stop10h 32m

$260

New YorkSaint Thomas Island

JFK - STT

JFKSTT

New York John F Kennedy Intl

Fri 5/29

8:00 am-12:06 pm

Nonstop4h 06m

Saint Thomas Island Cyril E King

Sat 6/6

4:38 pm-9:00 pm

Nonstop4h 22m

$261

Washington, D.C.Saint Thomas Island

DCA - STT

DCASTT

Washington, D.C. Reagan-National

Tue 5/5

7:59 am-2:48 pm

1 stop6h 49m

Saint Thomas Island Cyril E King

Tue 5/12

4:27 pm-11:24 pm

1 stop6h 57m

$270

NewarkSaint Thomas Island

EWR - STT

EWRSTT

Newark

Wed 4/29

6:00 am-3:31 pm

1 stop9h 31m

Saint Thomas Island Cyril E King

Sat 5/2

6:05 pm-10:32 pm

Nonstop4h 27m

$272

New YorkSaint Thomas Island

JFK - STT

JFKSTT

New York John F Kennedy Intl

Sat 5/30

8:00 am-12:06 pm

Nonstop4h 06m

Saint Thomas Island Cyril E King

Sat 6/6

4:38 pm-9:00 pm

Nonstop4h 22m

$281

New YorkSaint Thomas Island

JFK - STT

JFKSTT

New York John F Kennedy Intl

Sat 5/30

8:00 am-12:06 pm

Nonstop4h 06m

Saint Thomas Island Cyril E King

Wed 6/3

4:38 pm-9:00 pm

Nonstop4h 22m

$281

PittsburghSaint Thomas Island

PIT - STT

PITSTT

Pittsburgh

Mon 5/11

6:46 am-3:17 pm

1 stop8h 31m

Saint Thomas Island Cyril E King

Wed 5/20

3:01 pm-12:45 am

1 stop9h 44m

$297

New YorkSaint Thomas Island

JFK - STT

JFKSTT

New York John F Kennedy Intl

Fri 4/24

9:10 am-1:13 pm

Nonstop4h 03m

Saint Thomas Island Cyril E King

Wed 4/29

3:59 pm-8:24 pm

Nonstop4h 25m

$298

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/5

Showing 1-10 of 60 resultsSorted by cheapest first
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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 $179). Flying from Pennsylvania to Saint Thomas Island in December is currently the most expensive (average of $286). 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 April 10, 2026.

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.

Weekly flight availability from Pennsylvania to Saint Thomas Island

Explore weekly flight availability from Pennsylvania to Saint Thomas Island. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated April 10, 2026.

The most flights from USPA to STT are scheduled on a Monday (2 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).

How much does it cost to fly round-trip from Pennsylvania to Saint Thomas Island?

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 popular is this Pennsylvania to Saint Thomas Island flight route?

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

    For as low as $241, Delta can have you in Saint Thomas Island from Pennsylvania in 4h 06m. The distance between Pennsylvania and Saint Thomas Island is about 1626 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 United Airlines. According to our data, you can fly for as low as $113. Users have also found prices from $151 and $268 on Spirit Airlines and Delta, 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: Alaska Airlines (86%), American Airlines (66%), Qatar Airways (63%).

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

    While on average a flight from Pennsylvania to Saint Thomas Island is generally $901, our data shows the cheapest flight currently is $701. When looking at the most popular route, (New York John F Kennedy Intl - Saint Thomas Island Cyril E King), you can expect to pay $241 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 $179). Flying from Pennsylvania to Saint Thomas Island in December is currently the most expensive (average of $286). 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 6 airlines flying from Pennsylvania to Saint Thomas Island

Discover the top 6 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 April 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$155Average$543FlexibilityNo cancel feeOn-time69%
FrontierCheapest$172Average$221FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$219Average$390FlexibilityNo cancel feeOn-time65%
DeltaCheapest$264Average$600FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$265Average$615FlexibilityNo cancel feeOn-time71%
JetBlueCheapest$284Average$541FlexibilityNo cancel feeOn-time62%

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