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Cheap flights from Saint Thomas Island to Philadelphia from $123

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Saint Thomas Island to Philadelphia departing on 11/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Saint Thomas Island to Philadelphia

Cheap round-trip flights

Spirit Airlines Logo
4:06 pm - 10:05 pmSTT-PHL
6h 59m1 stop
Spirit Airlines Logo
7:00 am - 3:11 pmPHL-STT
7h 11m1 stop
$233Spirit Airlines
Find Deal
Thu, Nov 13 - Mon, Nov 17
Spirit Airlines Logo
4:06 pm - 10:05 pmSTT-PHL
6h 59m1 stop
Spirit Airlines Logo
5:15 am - 3:11 pmPHL-STT
8h 56m2 stops
$263Spirit Airlines
Find Deal
Thu, Nov 13 - Mon, Nov 17
Spirit Airlines Logo
2:40 pm - 11:17 pmSTT-PHL
8h 37m1 stop
Spirit Airlines Logo
5:33 am - 10:51 amPHL-STT
28h 18m1 stop
$282Spirit Airlines
Find Deal
Thu, Oct 30 - Sun, Nov 2
Spirit Airlines Logo
11:01 am - 11:59 pmSTT-PHL
12h 58m1 stop
Spirit Airlines Logo
7:54 pm - 9:56 amPHL-STT
14h 02m1 stop
$293Spirit Airlines
Find Deal
Fri, Oct 10 - Sat, Oct 18
Spirit Airlines Logo
11:01 am - 6:49 pmSTT-PHL
7h 48m1 stop
Spirit Airlines Logo
5:33 am - 10:51 amPHL-STT
28h 18m1 stop
$295Spirit Airlines
Find Deal
Fri, Oct 31 - Mon, Nov 3
Spirit Airlines Logo
11:01 am - 11:59 pmSTT-PHL
12h 58m1 stop
Spirit Airlines Logo
9:55 pm - 9:56 amPHL-STT
12h 01m1 stop
$300Spirit Airlines
Find Deal
Thu, Oct 9 - Fri, Oct 17
Spirit Airlines Logo
2:40 pm - 11:17 pmSTT-PHL
8h 37m1 stop
Spirit Airlines Logo
1:58 pm - 10:51 amPHL-STT
19h 53m2 stops
$303Spirit Airlines
Find Deal
Thu, Oct 30 - Sun, Nov 2
Spirit Airlines Logo
11:01 am - 6:49 pmSTT-PHL
7h 48m1 stop
Spirit Airlines Logo
9:55 pm - 9:56 amPHL-STT
12h 01m1 stop
$306Spirit Airlines
Find Deal
Fri, Oct 10 - Fri, Oct 17
Multiple Airlines Logo
11:01 am - 11:59 pmSTT-PHL
12h 58m1 stop
Multiple Airlines Logo
8:43 pm - 9:56 amPHL-STT
37h 13m2 stops
$346Multiple Airlines
Find Deal
Thu, Oct 9 - Thu, Oct 16
Multiple Airlines Logo
10:49 am - 7:35 amSTT-PHL
20h 46m2 stops
Multiple Airlines Logo
9:55 pm - 9:56 amPHL-STT
12h 01m1 stop
$378Multiple Airlines
Find Deal
Thu, Oct 2 - Mon, Oct 6

Spirit Airlines flights from Saint Thomas Island to Philadelphia

Our best Spirit Airlines deals on Saint Thomas Island to Philadelphia flight tickets
Spirit Airlines
Nov 13
STT4:06 pmSaint Thomas Island Cyril E King
6h 59m
1 stop
PHL10:05 pmPhiladelphia
Nov 17
PHL7:00 amPhiladelphia
7h 11m
1 stop
STT3:11 pmSaint Thomas Island Cyril E King
$233
Find similar
Spirit Airlines
Nov 13
STT4:06 pmSaint Thomas Island Cyril E King
6h 59m
1 stop
PHL10:05 pmPhiladelphia
Nov 17
PHL5:15 amPhiladelphia
8h 56m
2 stops
STT3:11 pmSaint Thomas Island Cyril E King
$263
Find similar
Spirit Airlines
Oct 30
STT2:40 pmSaint Thomas Island Cyril E King
8h 37m
1 stop
PHL11:17 pmPhiladelphia
Nov 2
PHL5:33 amPhiladelphia
28h 18m
1 stop
STT10:51 amSaint Thomas Island Cyril E King
$282
Find similar

American Airlines flights from Saint Thomas Island to Philadelphia

Our best American Airlines deals on Saint Thomas Island to Philadelphia flight tickets
American Airlines
Oct 2
STT5:10 pmSaint Thomas Island Cyril E King
14h 33m
2 stops
PHL7:43 amPhiladelphia
Oct 6
PHL7:15 pmPhiladelphia
16h 45m
1 stop
STT12:00 pmSaint Thomas Island Cyril E King
$859
Find similar
American Airlines
Oct 2
STT5:10 pmSaint Thomas Island Cyril E King
13h 57m
2 stops
PHL7:07 amPhiladelphia
Oct 5
PHL9:35 pmPhiladelphia
13h 15m
2 stops
STT10:50 amSaint Thomas Island Cyril E King
$934
Find similar
American Airlines
Oct 2
STT5:10 pmSaint Thomas Island Cyril E King
13h 57m
2 stops
PHL7:07 amPhiladelphia
Oct 5
PHL9:35 pmPhiladelphia
13h 15m
2 stops
STT10:50 amSaint Thomas Island Cyril E King
$983
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Saint Thomas Island to Philadelphia 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 September 22, 2025.
Use the filters below to find and compare flights from Saint Thomas Island to Philadelphia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Saint Thomas IslandPhiladelphia

STT - PHL

STTPHL

Saint Thomas Island Cyril E King

Thu 11/13

4:06 pm-10:05 pm

1 stop6h 59m

Philadelphia

Mon 11/17

7:00 am-3:11 pm

1 stop7h 11m

$233

Saint Thomas IslandPhiladelphia

STT - PHL

STTPHL

Saint Thomas Island Cyril E King

Thu 11/13

4:06 pm-10:05 pm

1 stop6h 59m

Philadelphia

Mon 11/17

5:15 am-3:11 pm

2 stops8h 56m

$263

Saint Thomas IslandPhiladelphia

STT - PHL

STTPHL

Saint Thomas Island Cyril E King

Thu 10/30

2:40 pm-11:17 pm

1 stop8h 37m

Philadelphia

Sun 11/2

5:33 am-10:51 am

1 stop28h 18m

$282

Saint Thomas IslandPhiladelphia

STT - PHL

STTPHL

Saint Thomas Island Cyril E King

Fri 10/10

11:01 am-11:59 pm

1 stop12h 58m

Philadelphia

Sat 10/18

7:54 pm-9:56 am

1 stop14h 02m

$293

Saint Thomas IslandPhiladelphia

STT - PHL

STTPHL

Saint Thomas Island Cyril E King

Fri 10/31

11:01 am-6:49 pm

1 stop7h 48m

Philadelphia

Mon 11/3

5:33 am-10:51 am

1 stop28h 18m

$295

Saint Thomas IslandPhiladelphia

STT - PHL

STTPHL

Saint Thomas Island Cyril E King

Thu 10/9

11:01 am-11:59 pm

1 stop12h 58m

Philadelphia

Fri 10/17

9:55 pm-9:56 am

1 stop12h 01m

$300

Saint Thomas IslandPhiladelphia

STT - PHL

STTPHL

Saint Thomas Island Cyril E King

Thu 10/30

2:40 pm-11:17 pm

1 stop8h 37m

Philadelphia

Sun 11/2

1:58 pm-10:51 am

2 stops19h 53m

$303

Saint Thomas IslandPhiladelphia

STT - PHL

STTPHL

Saint Thomas Island Cyril E King

Fri 10/10

11:01 am-6:49 pm

1 stop7h 48m

Philadelphia

Fri 10/17

9:55 pm-9:56 am

1 stop12h 01m

$306

Saint Thomas IslandPhiladelphia

STT - PHL

STTPHL

Saint Thomas Island Cyril E King

Thu 10/9

11:01 am-11:59 pm

1 stop12h 58m

Philadelphia

Thu 10/16

8:43 pm-9:56 am

2 stops37h 13m

$346

Saint Thomas IslandPhiladelphia

STT - PHL

STTPHL

Saint Thomas Island Cyril E King

Thu 10/2

10:49 am-7:35 am

2 stops20h 46m

Philadelphia

Mon 10/6

9:55 pm-9:56 am

1 stop12h 01m

$378

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 Philadelphia from

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

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 Philadelphia?

The cheapest month to fly to Philadelphia from Saint Thomas Island is in February. Flight prices, which tend to average around $197, are often lower during this time because this is during the off-season. The month of October is another great option to travel to Philadelphia, with average flight prices from Saint Thomas Island averaging around $268.

What is the cheapest day to depart on your flight to Philadelphia?

The cheapest day to depart from Saint Thomas Island to Philadelphia is on a Friday. Travelers who choose to depart for Philadelphia on a Friday will often find tickets for as low as $615. On the other hand, Saturday is the most expensive day to depart from Saint Thomas Island because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $782.

What is the cheapest time of day to depart on your flight to Philadelphia?

According to our data, the cheapest time of day to fly to Philadelphia is in the afternoon. momondo users have found flights departing from Saint Thomas Island to Philadelphia in the afternoon for as low as $648. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Philadelphia is at noon when prices are around $732.

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

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

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

There are 2 cabin classes available to choose from on Saint Thomas Island Cyril E King to Philadelphia flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Saint Thomas Island to Philadelphia flight prices changed over time?

As of September 2025, prices for Saint Thomas Island to Philadelphia flights are approximately 24% cheaper when compared to flights at the same time last year.

When to book flights from Saint Thomas Island to Philadelphia

Are you open to changing your travel dates? Check out the ideal times to fly from Saint Thomas Island to Philadelphia according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Saint Thomas Island to Philadelphia (STT to PHL) flight deals and tips

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

Best Price Found

$371

Fastest flight time

4h 10m

Direct flights

Tue, Wed, Fri, Sat and Sun

Airports in Philadelphia

1 airport
The best one-way flight to Philadelphia from Saint Thomas Island in the past 72 hours is $371. The best round-trip flight deal from Saint Thomas Island to Philadelphia found on momondo in the last 72 hours is $695.
The fastest flight from Saint Thomas Island to Philadelphia takes 4h 10m
Direct flights go from Saint Thomas Island to Philadelphia on Tuesday, Wednesday, Friday, Saturday and Sunday. There are no airlines offering direct flights.
There is 1 airport near Philadelphia: Philadelphia (PHL)
Search flight deals

  • How far is Saint Thomas Island Cyril E King to Philadelphia by plane?

    The straight-line distance from Saint Thomas Island Cyril E King to Philadelphia is 1611.8 mi. Flights usually cover this in 6h 59m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from Saint Thomas Island Cyril E King Airport to Philadelphia Airport were last updated today.

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Saint Thomas Island Cyril E King Airport to Philadelphia Airport.

  • What documentation or ID do you need to fly to Philadelphia Airport?

    The necessary travel and health documents for your Philadelphia Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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

  • What is the most popular airline from Saint Thomas Island to Philadelphia?

Best airlines flying from Saint Thomas Island to Philadelphia

Compare and see reviews for airlines that fly from Saint Thomas Island to Philadelphia with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $197Free CancellationRating
6.3
8,031 reviews
Search Spirit Airlines flights
DeltaPriceFrom $439Free CancellationRating
7.9
7,971 reviews
Search Delta flights
American AirlinesPriceFrom $568Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

Traveling to a place near Philadelphia?

Book flights to Philadelphia if you plan to visit one of these locations
Wildwood
Cape May
Rehoboth Beach
Ocean City
Wildwood Crest
King of Prussia
Dewey Beach
Reading
Newark
Cherry Hill
North Wildwood
Dover
Avalon
Lewes
Stone Harbor
Vineland
Essington
Pottstown
New Castle
West Chester

Why use momondo?

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

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

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

All flight searches from Saint Thomas Island to Philadelphia on momondo can be filtered to show those which offer flexible booking policies.

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

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 Saint Thomas Island to Philadelphia.

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

If you are not ready to book a flight from Saint Thomas Island to Philadelphia now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Philadelphia and let you know when they change.

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