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Cheap flights from Pennsylvania to Saint Thomas Island from $89

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Pennsylvania to Saint Thomas Island departing on 2/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Pennsylvania to Saint Thomas Island

Cheap round-trip flights

Enter your travel dates to find the best prices.
Spirit Airlines Logo
12:40 pm - 2:52 pm
PHL
-
STT
25h 12m2 stops
Spirit Airlines Logo
5:42 pm - 11:50 pm
STT
-
PHL
7h 08m1 stop
$187Spirit Airlines
Wed, Feb 4 - Wed, Feb 11
United Airlines Logo
8:15 am - 12:20 pm
IAD
-
STT
4h 05mnonstop
United Airlines Logo
2:10 pm - 12:15 am
STT
-
IAD
10h 05m1 stop
$196United Airlines
Tue, Apr 7 - Tue, Apr 14
JetBlue Logo
8:15 am - 3:05 pm
DCA
-
STT
5h 50m1 stop
JetBlue Logo
4:00 pm - 9:32 pm
STT
-
DCA
6h 32m1 stop
$210JetBlue
Wed, Jan 28 - Wed, Feb 4
JetBlue Logo
8:00 am - 1:35 pm
JFK
-
STT
5h 35m1 stop
JetBlue Logo
5:10 pm - 11:02 pm
STT
-
JFK
5h 52m1 stop
$210JetBlue
Tue, Mar 10 - Tue, Mar 17
American Airlines Logo
5:55 am - 3:56 pm
DCA
-
STT
9h 01m1 stop
American Airlines Logo
1:50 pm - 7:36 pm
STT
-
DCA
6h 46m1 stop
$211American Airlines
Mon, Jan 26 - Thu, Jan 29
American Airlines Logo
6:00 am - 5:15 pm
IAD
-
STT
10h 15m1 stop
American Airlines Logo
1:50 pm - 11:12 pm
STT
-
IAD
10h 22m1 stop
$211American Airlines
Sat, Jan 24 - Thu, Jan 29
Delta Logo
8:15 am - 1:22 pm
JFK
-
STT
4h 07mnonstop
Delta Logo
5:30 pm - 8:53 pm
STT
-
JFK
4h 23mnonstop
$211Delta
Thu, Jan 29 - Tue, Feb 3
Delta Logo
6:00 am - 1:22 pm
DCA
-
STT
6h 22m1 stop
Delta Logo
4:15 pm - 11:32 pm
STT
-
DCA
8h 17m1 stop
$220Delta
Thu, Jan 29 - Thu, Feb 5
Multiple Airlines Logo
6:00 am - 4:34 pm
PIT
-
STT
9h 34m1 stop
Multiple Airlines Logo
1:01 pm - 9:43 pm
STT
-
PIT
8h 42m2 stops
$251Multiple Airlines
Wed, Mar 4 - Tue, Mar 10
Multiple Airlines Logo
6:57 pm - 2:31 pm
MDT
-
STT
18h 34m1 stop
Multiple Airlines Logo
3:36 pm - 9:51 am
STT
-
MDT
19h 15m1 stop
$397Multiple Airlines
Thu, Feb 19 - Sun, Feb 22

United Airlines flights from Pennsylvania to Saint Thomas Island

Our best United Airlines deals on Pennsylvania to Saint Thomas Island flight tickets
United Airlines
Apr 7
IAD8:15 amWashington, D.C. Dulles Intl
4h 05m
STT12:20 pmSaint Thomas Island Cyril E King
Apr 14
STT2:10 pmSaint Thomas Island Cyril E King
10h 05m
1 stop
IAD12:15 amWashington, D.C. Dulles Intl
$196
United Airlines
May 2
DCA6:00 amWashington, D.C. Reagan-National
9h 43m
1 stop
STT3:43 pmSaint Thomas Island Cyril E King
May 6
STT1:22 pmSaint Thomas Island Cyril E King
10h 23m
1 stop
DCA11:45 pmWashington, D.C. Reagan-National
$200
United Airlines
Mar 8
IAD6:15 amWashington, D.C. Dulles Intl
9h 03m
1 stop
STT3:18 pmSaint Thomas Island Cyril E King
Mar 11
STT12:02 pmSaint Thomas Island Cyril E King
4h 23m
IAD4:25 pmWashington, D.C. Dulles Intl
$212

American Airlines flights from Pennsylvania to Saint Thomas Island

Our best American Airlines deals on Pennsylvania to Saint Thomas Island flight tickets
American Airlines
Jan 26
DCA6:59 amWashington, D.C. Reagan-National
7h 07m
1 stop
STT3:06 pmSaint Thomas Island Cyril E King
Feb 2
STT6:39 pmSaint Thomas Island Cyril E King
15h 21m
1 stop
DCA9:00 amWashington, D.C. Reagan-National
$211
American Airlines
Jan 24
JFK8:30 amNew York John F Kennedy Intl
4h 01m
STT1:31 pmSaint Thomas Island Cyril E King
Jan 31
STT6:11 pmSaint Thomas Island Cyril E King
4h 19m
JFK9:30 pmNew York John F Kennedy Intl
$226
American Airlines
Jan 24
JFK8:30 amNew York John F Kennedy Intl
4h 01m
STT1:31 pmSaint Thomas Island Cyril E King
Jan 31
STT6:11 pmSaint Thomas Island Cyril E King
4h 19m
JFK9:30 pmNew York John F Kennedy Intl
$227

momondo 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, momondo users made 832,500 searches. Data last updated January 8, 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

PhiladelphiaSaint Thomas Island

PHL - STT

PHLSTT

Philadelphia

Wed 2/4

12:40 pm-2:52 pm

2 stops25h 12m

Saint Thomas Island Cyril E King

Wed 2/11

5:42 pm-11:50 pm

1 stop7h 08m

$187

Washington, D.C.Saint Thomas Island

IAD - STT

IADSTT

Washington, D.C. Dulles Intl

Tue 4/7

8:15 am-12:20 pm

Nonstop4h 05m

Saint Thomas Island Cyril E King

Tue 4/14

2:10 pm-12:15 am

1 stop10h 05m

$196

Washington, D.C.Saint Thomas Island

DCA - STT

DCASTT

Washington, D.C. Reagan-National

Wed 1/28

8:15 am-3:05 pm

1 stop5h 50m

Saint Thomas Island Cyril E King

Wed 2/4

4:00 pm-9:32 pm

1 stop6h 32m

$210

New YorkSaint Thomas Island

JFK - STT

JFKSTT

New York John F Kennedy Intl

Tue 3/10

8:00 am-1:35 pm

1 stop5h 35m

Saint Thomas Island Cyril E King

Tue 3/17

5:10 pm-11:02 pm

1 stop5h 52m

$210

Washington, D.C.Saint Thomas Island

DCA - STT

DCASTT

Washington, D.C. Reagan-National

Mon 1/26

5:55 am-3:56 pm

1 stop9h 01m

Saint Thomas Island Cyril E King

Thu 1/29

1:50 pm-7:36 pm

1 stop6h 46m

$211

Washington, D.C.Saint Thomas Island

IAD - STT

IADSTT

Washington, D.C. Dulles Intl

Sat 1/24

6:00 am-5:15 pm

1 stop10h 15m

Saint Thomas Island Cyril E King

Thu 1/29

1:50 pm-11:12 pm

1 stop10h 22m

$211

New YorkSaint Thomas Island

JFK - STT

JFKSTT

New York John F Kennedy Intl

Thu 1/29

8:15 am-1:22 pm

Nonstop4h 07m

Saint Thomas Island Cyril E King

Tue 2/3

5:30 pm-8:53 pm

Nonstop4h 23m

$211

Washington, D.C.Saint Thomas Island

DCA - STT

DCASTT

Washington, D.C. Reagan-National

Thu 1/29

6:00 am-1:22 pm

1 stop6h 22m

Saint Thomas Island Cyril E King

Thu 2/5

4:15 pm-11:32 pm

1 stop8h 17m

$220

PittsburghSaint Thomas Island

PIT - STT

PITSTT

Pittsburgh

Wed 3/4

6:00 am-4:34 pm

1 stop9h 34m

Saint Thomas Island Cyril E King

Tue 3/10

1:01 pm-9:43 pm

2 stops8h 42m

$251

HarrisburgSaint Thomas Island

MDT - STT

MDTSTT

Harrisburg

Thu 2/19

6:57 pm-2:31 pm

1 stop18h 34m

Saint Thomas Island Cyril E King

Sun 2/22

3:36 pm-9:51 am

1 stop19h 15m

$397

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Saint Thomas Island from

How to get the cheapest flight ticket from Pennsylvania to Saint Thomas Island

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Saint Thomas Island?

The month of May is another great option to travel to Saint Thomas Island, with average flight prices from Pennsylvania averaging around $500.

What is the cheapest day to depart on your flight to Saint Thomas Island?

On average, the least expensive day to fly to Saint Thomas Island from Pennsylvania is on a Thursday. momondo users have found tickets for Thursday departures for as low as $640. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Pennsylvania to Saint Thomas Island for around $905.

What is the cheapest Pennsylvania to Saint Thomas Island Cyril E King flight route?

Fly from Philadelphia to Saint Thomas Island Cyril E King for the best Pennsylvania - Saint Thomas Island Cyril E King flight prices

How far in advance should I book a flight to Saint Thomas Island?

You are more likely to see cheaper flights to Saint Thomas Island from Pennsylvania when booking weeks ahead of your departure date. In general, you can expect to find flights to Saint Thomas Island for around $637 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Saint Thomas Island from Pennsylvania for as low as $501 on momondo.

What cabin class options are available on Pennsylvania to Saint Thomas Island Cyril E King flights?

There is only 1 cabin class available to choose from on Pennsylvania to Saint Thomas Island Cyril E King flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Pennsylvania to Saint Thomas Island flights?

You could potentially save up to 57% on your flight if you consider stops on a Pennsylvania to Saint Thomas Island flight.

Cheap Pennsylvania to Saint Thomas Island flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Pennsylvania to Saint Thomas Island

Best Price Found

$462

Fastest flight time

3h 57m

Direct flights

Every day

Airports in Saint Thomas Island

1 airport
The best one-way flight to Saint Thomas Island from Pennsylvania in the past 72 hours is $462. The best round-trip flight deal from Pennsylvania to Saint Thomas Island found on momondo in the last 72 hours is $660.
The fastest flight from Pennsylvania to Saint Thomas Island takes 3h 57m
Direct flights go from Pennsylvania to Saint Thomas Island every day.
There is 1 airport in Saint Thomas Island. From Pennsylvania there are direct flights to Saint Thomas Island Cyril E King (STT).
Search flight deals

  • When did momondo last update prices for flights from Pennsylvania to Saint Thomas Island Cyril E King Airport?

    Prices for flights from Pennsylvania to Saint Thomas Island Cyril E King Airport refresh daily.

  • How many operators does momondo search for flights from Pennsylvania to Saint Thomas Island Cyril E King Airport?

  • How old do you have to be to fly from Pennsylvania to Saint Thomas Island Cyril E King Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Pennsylvania to Saint Thomas Island Cyril E King Airport.

  • What documentation or ID do you need to fly to Saint Thomas Island Cyril E King Airport?

    The required travel and health documents for your Saint Thomas Island Cyril E King Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Saint Thomas Island Cyril E King Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Pennsylvania to Saint Thomas Island?

Best airlines flying from Pennsylvania to Saint Thomas Island

Compare and see reviews for airlines that fly from Pennsylvania to Saint Thomas Island with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $108Free CancellationRating
5.7
3,061 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $201Free CancellationRating
6.3
8,288 reviews
Search Spirit Airlines flights
United AirlinesPriceFrom $265Free CancellationRating
7.4
9,139 reviews
Search United Airlines flights
DeltaPriceFrom $279Free CancellationRating
7.9
8,026 reviews
Search Delta flights
American AirlinesPriceFrom $279Free CancellationRating
7.2
11,097 reviews
Search American Airlines flights

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

Why use momondo?

Why should I use momondo to find a flight deal from Pennsylvania to Saint Thomas Island?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Pennsylvania to Saint Thomas Island. momondo saves you time and could save you money on your trip.

Can I find flights from Pennsylvania to Saint Thomas Island with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Pennsylvania to Saint Thomas Island flights to just show those with flexible booking policies.

How can momondo help me find flights from Pennsylvania to Saint Thomas Island?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Pennsylvania to Saint Thomas Island.

I’m not ready to book a flight from Pennsylvania to Saint Thomas Island right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Pennsylvania to Saint Thomas Island flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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