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Cheap flights from Pennsylvania to Saint Thomas Island from $98

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 3/31. 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

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American Airlines Logo
6:44 pm - 2:36 pmPIT-STT
18h 52m2 stops
American Airlines Logo
2:26 pm - 10:43 pmSTT-PIT
9h 17m1 stop
$227American Airlines
Find Deal
Tue, Jan 6 - Sun, Jan 11
Spirit Airlines Logo
5:30 am - 2:49 pmPHL-STT
8h 19m1 stop
Spirit Airlines Logo
12:31 pm - 11:17 pmSTT-PHL
11h 46m1 stop
$242Spirit Airlines
Find Deal
Mon, Dec 15 - Sat, Dec 20
Multiple Airlines Logo
5:40 pm - 5:10 pmPHL-STT
22h 30m1 stop
Multiple Airlines Logo
3:57 pm - 11:02 amSTT-PHL
20h 05m1 stop
$276Multiple Airlines
Find Deal
Fri, Jan 9 - Fri, Jan 16
Multiple Airlines Logo
5:40 pm - 5:10 pmPHL-STT
22h 30m1 stop
Multiple Airlines Logo
3:57 pm - 12:35 amSTT-PHL
9h 38m1 stop
$277Multiple Airlines
Find Deal
Fri, Jan 9 - Thu, Jan 15
Delta Logo
7:09 am - 2:55 pmPIT-STT
6h 46m1 stop
Delta Logo
3:00 pm - 9:22 pmSTT-PIT
7h 22m1 stop
$283Delta
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Tue, Feb 17 - Thu, Feb 26
Delta Logo
8:15 am - 1:22 pmJFK-STT
4h 07mnonstop
Delta Logo
5:20 pm - 8:46 pmSTT-JFK
4h 26mnonstop
$296Delta
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Mon, Jan 19 - Fri, Jan 23
United Airlines Logo
7:00 am - 12:00 pmEWR-STT
4h 00mnonstop
United Airlines Logo
5:25 pm - 8:58 pmSTT-EWR
4h 33mnonstop
$296United Airlines
Find Deal
Tue, Jan 6 - Wed, Jan 14
JetBlue Logo
9:40 am - 4:20 pmJFK-STT
5h 40m1 stop
JetBlue Logo
2:00 pm - 9:33 pmSTT-JFK
8h 33m2 stops
$297JetBlue
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Sun, Jan 18 - Sun, Jan 25
JetBlue Logo
9:40 am - 4:20 pmJFK-STT
5h 40m1 stop
JetBlue Logo
5:15 pm - 10:20 pmSTT-JFK
6h 05m1 stop
$299JetBlue
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Wed, Jan 7 - Mon, Jan 12
United Airlines Logo
7:00 am - 12:00 pmEWR-STT
4h 00mnonstop
United Airlines Logo
1:02 pm - 9:44 pmSTT-EWR
9h 42m1 stop
$301United Airlines
Find Deal
Tue, Dec 16 - Tue, Dec 23

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 6
PIT6:44 pmPittsburgh
18h 52m
2 stops
STT2:36 pmSaint Thomas Island Cyril E King
Jan 12
STT6:39 pmSaint Thomas Island Cyril E King
17h 31m
1 stop
PIT11:10 amPittsburgh
$227
Find similar
American Airlines
Dec 31
PIT6:51 pmPittsburgh
16h 49m
1 stop
STT12:40 pmSaint Thomas Island Cyril E King
Jan 8
STT6:39 pmSaint Thomas Island Cyril E King
17h 31m
1 stop
PIT11:10 amPittsburgh
$265
Find similar
American Airlines
Dec 2
PIT6:00 amPittsburgh
10h 27m
1 stop
STT5:27 pmSaint Thomas Island Cyril E King
Dec 9
STT6:17 pmSaint Thomas Island Cyril E King
6h 41m
1 stop
PIT11:58 pmPittsburgh
$272
Find similar

Spirit Airlines flights from Pennsylvania to Saint Thomas Island

Our best Spirit Airlines deals on Pennsylvania to Saint Thomas Island flight tickets
Spirit Airlines
Dec 15
PHL5:30 amPhiladelphia
8h 19m
1 stop
STT2:49 pmSaint Thomas Island Cyril E King
Dec 20
STT12:31 pmSaint Thomas Island Cyril E King
11h 46m
1 stop
PHL11:17 pmPhiladelphia
$242
Find similar
Spirit Airlines
Jan 8
PIT5:32 amPittsburgh
8h 20m
1 stop
STT2:52 pmSaint Thomas Island Cyril E King
Jan 12
STT6:15 pmSaint Thomas Island Cyril E King
16h 25m
1 stop
PIT9:40 amPittsburgh
$246
Find similar
Spirit Airlines
Dec 15
PHL5:30 amPhiladelphia
8h 19m
1 stop
STT2:49 pmSaint Thomas Island Cyril E King
Dec 20
STT3:23 pmSaint Thomas Island Cyril E King
8h 54m
2 stops
PHL11:17 pmPhiladelphia
$263
Find similar

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 November 20, 2025.
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

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

2:26 pm-10:43 pm

1 stop9h 17m

$227

PhiladelphiaSaint Thomas Island

PHL - STT

PHLSTT

Philadelphia

Mon 12/15

5:30 am-2:49 pm

1 stop8h 19m

Saint Thomas Island Cyril E King

Sat 12/20

12:31 pm-11:17 pm

1 stop11h 46m

$242

PhiladelphiaSaint Thomas Island

PHL - STT

PHLSTT

Philadelphia

Fri 1/9

5:40 pm-5:10 pm

1 stop22h 30m

Saint Thomas Island Cyril E King

Fri 1/16

3:57 pm-11:02 am

1 stop20h 05m

$276

PhiladelphiaSaint Thomas Island

PHL - STT

PHLSTT

Philadelphia

Fri 1/9

5:40 pm-5:10 pm

1 stop22h 30m

Saint Thomas Island Cyril E King

Thu 1/15

3:57 pm-12:35 am

1 stop9h 38m

$277

PittsburghSaint Thomas Island

PIT - STT

PITSTT

Pittsburgh

Tue 2/17

7:09 am-2:55 pm

1 stop6h 46m

Saint Thomas Island Cyril E King

Thu 2/26

3:00 pm-9:22 pm

1 stop7h 22m

$283

New YorkSaint Thomas Island

JFK - STT

JFKSTT

New York John F Kennedy Intl

Mon 1/19

8:15 am-1:22 pm

Nonstop4h 07m

Saint Thomas Island Cyril E King

Fri 1/23

5:20 pm-8:46 pm

Nonstop4h 26m

$296

NewarkSaint Thomas Island

EWR - STT

EWRSTT

Newark

Tue 1/6

7:00 am-12:00 pm

Nonstop4h 00m

Saint Thomas Island Cyril E King

Wed 1/14

5:25 pm-8:58 pm

Nonstop4h 33m

$296

New YorkSaint Thomas Island

JFK - STT

JFKSTT

New York John F Kennedy Intl

Sun 1/18

9:40 am-4:20 pm

1 stop5h 40m

Saint Thomas Island Cyril E King

Sun 1/25

2:00 pm-9:33 pm

2 stops8h 33m

$297

New YorkSaint Thomas Island

JFK - STT

JFKSTT

New York John F Kennedy Intl

Wed 1/7

9:40 am-4:20 pm

1 stop5h 40m

Saint Thomas Island Cyril E King

Mon 1/12

5:15 pm-10:20 pm

1 stop6h 05m

$299

NewarkSaint Thomas Island

EWR - STT

EWRSTT

Newark

Tue 12/16

7:00 am-12:00 pm

Nonstop4h 00m

Saint Thomas Island Cyril E King

Tue 12/23

1:02 pm-9:44 pm

1 stop9h 42m

$301

Flights are sorted by cheapest round-trip flights 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 $508.

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 Wednesday. momondo users have found tickets for Wednesday departures for as low as $618. 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 $926.

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

The cheapest time of day to fly to Saint Thomas Island is in the evening when flights can be purchased for as low as $341. Flights to Saint Thomas Island are more costly in the morning, with an average ticket price of $725. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

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 $610 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 $510 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 42% 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

$750

Fastest flight time

3h 53m

Direct flights

Every day

Airports in Saint Thomas Island

1 airport
The best flight deal from Pennsylvania to Saint Thomas Island found on momondo in the last 72 hours is $750
The fastest flight from Pennsylvania to Saint Thomas Island takes 3h 53m
Direct flights go from Pennsylvania to Saint Thomas Island every day.
There is 1 airport near Saint Thomas Island: 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
5.8
3,106 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $205Free CancellationRating
6.3
8,154 reviews
Search Spirit Airlines flights
DeltaPriceFrom $279Free CancellationRating
7.9
8,002 reviews
Search Delta flights
United AirlinesPriceFrom $279Free CancellationRating
7.4
9,029 reviews
Search United Airlines flights
American AirlinesPriceFrom $283Free CancellationRating
7.2
11,045 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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