Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

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 12/5. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Saint Thomas Island to Philadelphia

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
1:01 pm - 12:36 amSTT-PHL
12h 35m1 stop
Multiple Airlines Logo
5:35 am - 2:28 pmPHL-STT
31h 53m2 stops
$350Multiple Airlines
Find Deal
sáb., dic. 13 - vie., dic. 19
Multiple Airlines Logo
1:01 pm - 12:36 amSTT-PHL
12h 35m1 stop
Multiple Airlines Logo
5:35 am - 11:31 amPHL-STT
28h 56m1 stop
$353Multiple Airlines
Find Deal
sáb., dic. 13 - vie., dic. 19
Spirit Airlines Logo
3:54 pm - 9:17 amSTT-PHL
18h 23m2 stops
Spirit Airlines Logo
8:54 pm - 2:28 pmPHL-STT
16h 34m2 stops
$423Spirit Airlines
Find Deal
sáb., dic. 13 - vie., dic. 19
Spirit Airlines Logo
3:54 pm - 12:29 pmSTT-PHL
21h 35m3 stops
Spirit Airlines Logo
8:54 pm - 2:28 pmPHL-STT
16h 34m2 stops
$450Spirit Airlines
Find Deal
sáb., dic. 13 - vie., dic. 19
American Airlines Logo
5:30 pm - 9:43 amSTT-PHL
16h 13m1 stop
American Airlines Logo
9:00 pm - 12:55 pmPHL-STT
15h 55m2 stops
$471American Airlines
Find Deal
mar., mar. 10 - mié., mar. 11
American Airlines Logo
5:30 pm - 8:40 amSTT-PHL
15h 10m2 stops
American Airlines Logo
6:44 pm - 10:45 amPHL-STT
16h 01m1 stop
$507American Airlines
Find Deal
mar., mar. 10 - mié., mar. 11
Multiple Airlines Logo
3:54 pm - 12:29 pmSTT-PHL
21h 35m3 stops
Multiple Airlines Logo
12:19 pm - 11:31 amPHL-STT
22h 12m3 stops
$597Multiple Airlines
Find Deal
sáb., dic. 13 - vie., dic. 19
American Airlines Logo
12:30 pm - 9:22 pmSTT-PHL
8h 52m1 stop
American Airlines Logo
8:20 am - 12:15 pmPHL-STT
3h 55mnonstop
$739American Airlines
Find Deal
mar., mar. 10 - mié., mar. 11
American Airlines Logo
12:30 pm - 9:22 pmSTT-PHL
8h 52m1 stop
American Airlines Logo
5:00 am - 12:55 pmPHL-STT
7h 55m1 stop
$749American Airlines
Find Deal
mar., mar. 10 - mié., mar. 11
American Airlines Logo
1:30 pm - 5:55 pmSTT-PHL
4h 25mnonstop
American Airlines Logo
8:20 am - 12:15 pmPHL-STT
3h 55mnonstop
$810American Airlines
Find Deal
mar., mar. 10 - mié., mar. 11

American Airlines flights from Saint Thomas Island to Philadelphia

Our best American Airlines deals on Saint Thomas Island to Philadelphia flight tickets
American Airlines
Mar 10
STT5:30 pmSaint Thomas Island Cyril E King
16h 13m
1 stop
PHL9:43 amPhiladelphia
Mar 11
PHL9:00 pmPhiladelphia
15h 55m
2 stops
STT12:55 pmSaint Thomas Island Cyril E King
$471
Find similar
American Airlines
Mar 10
STT5:30 pmSaint Thomas Island Cyril E King
15h 10m
2 stops
PHL8:40 amPhiladelphia
Mar 11
PHL6:44 pmPhiladelphia
16h 01m
1 stop
STT10:45 amSaint Thomas Island Cyril E King
$507
Find similar
American Airlines
Mar 10
STT12:30 pmSaint Thomas Island Cyril E King
8h 52m
1 stop
PHL9:22 pmPhiladelphia
Mar 11
PHL8:20 amPhiladelphia
3h 55m
STT12:15 pmSaint Thomas Island Cyril E King
$739
Find similar

Spirit Airlines flights from Saint Thomas Island to Philadelphia

Our best Spirit Airlines deals on Saint Thomas Island to Philadelphia flight tickets
Spirit Airlines
Dec 13
STT3:54 pmSaint Thomas Island Cyril E King
18h 23m
2 stops
PHL9:17 amPhiladelphia
Dec 19
PHL8:54 pmPhiladelphia
16h 34m
2 stops
STT2:28 pmSaint Thomas Island Cyril E King
$423
Find similar
Spirit Airlines
Dec 13
STT3:54 pmSaint Thomas Island Cyril E King
21h 35m
3 stops
PHL12:29 pmPhiladelphia
Dec 19
PHL8:54 pmPhiladelphia
16h 34m
2 stops
STT2:28 pmSaint Thomas Island Cyril E King
$450
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 noviembre 6, 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

sáb. 12/13

1:01 pm-12:36 am

1 stop12h 35m

Philadelphia

vie. 12/19

5:35 am-2:28 pm

2 stops31h 53m

$350

Saint Thomas IslandPhiladelphia

STT - PHL

STTPHL

Saint Thomas Island Cyril E King

sáb. 12/13

1:01 pm-12:36 am

1 stop12h 35m

Philadelphia

vie. 12/19

5:35 am-11:31 am

1 stop28h 56m

$353

Saint Thomas IslandPhiladelphia

STT - PHL

STTPHL

Saint Thomas Island Cyril E King

sáb. 12/13

3:54 pm-9:17 am

2 stops18h 23m

Philadelphia

vie. 12/19

8:54 pm-2:28 pm

2 stops16h 34m

$423

Saint Thomas IslandPhiladelphia

STT - PHL

STTPHL

Saint Thomas Island Cyril E King

sáb. 12/13

3:54 pm-12:29 pm

3 stops21h 35m

Philadelphia

vie. 12/19

8:54 pm-2:28 pm

2 stops16h 34m

$450

Saint Thomas IslandPhiladelphia

STT - PHL

STTPHL

Saint Thomas Island Cyril E King

mar. 3/10

5:30 pm-9:43 am

1 stop16h 13m

Philadelphia

mié. 3/11

9:00 pm-12:55 pm

2 stops15h 55m

$471

Saint Thomas IslandPhiladelphia

STT - PHL

STTPHL

Saint Thomas Island Cyril E King

mar. 3/10

5:30 pm-8:40 am

2 stops15h 10m

Philadelphia

mié. 3/11

6:44 pm-10:45 am

1 stop16h 01m

$507

Saint Thomas IslandPhiladelphia

STT - PHL

STTPHL

Saint Thomas Island Cyril E King

sáb. 12/13

3:54 pm-12:29 pm

3 stops21h 35m

Philadelphia

vie. 12/19

12:19 pm-11:31 am

3 stops22h 12m

$597

Saint Thomas IslandPhiladelphia

STT - PHL

STTPHL

Saint Thomas Island Cyril E King

mar. 3/10

12:30 pm-9:22 pm

1 stop8h 52m

Philadelphia

mié. 3/11

8:20 am-12:15 pm

Nonstop3h 55m

$739

Saint Thomas IslandPhiladelphia

STT - PHL

STTPHL

Saint Thomas Island Cyril E King

mar. 3/10

12:30 pm-9:22 pm

1 stop8h 52m

Philadelphia

mié. 3/11

5:00 am-12:55 pm

1 stop7h 55m

$749

Saint Thomas IslandPhiladelphia

STT - PHL

STTPHL

Saint Thomas Island Cyril E King

mar. 3/10

1:30 pm-5:55 pm

Nonstop4h 25m

Philadelphia

mié. 3/11

8:20 am-12:15 pm

Nonstop3h 55m

$810

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 typical price of a round-trip flight between Saint Thomas Island and Philadelphia?

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 September is another great option to travel to Philadelphia, with average flight prices from Saint Thomas Island averaging around $294.

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 $568. 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 $805.

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 $670. 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 November 2025, prices for Saint Thomas Island to Philadelphia flights are approximately 22% 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

$185

Fastest flight time

4h 15m

Direct flights

Every day

Airports in Philadelphia

1 airport
The best one-way flight to Philadelphia from Saint Thomas Island in the past 72 hours is $185. The best round-trip flight deal from Saint Thomas Island to Philadelphia found on momondo in the last 72 hours is $477.
The fastest flight from Saint Thomas Island to Philadelphia takes 4h 15m
Direct flights go from Saint Thomas Island to Philadelphia every day.
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 4h 17m, 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
8,122 reviews
Search Spirit Airlines flights
DeltaPriceFrom $439Free CancellationRating
7.9
8,001 reviews
Search Delta flights
American AirlinesPriceFrom $574Free CancellationRating
7.2
11,040 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
Cherry Hill
Dewey Beach
Newark
Reading
North Wildwood
Dover
Avalon
Lewes
Stone Harbor
Essington
Vineland
Pottstown
New Castle
Somers Point

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.

An easier way to manage your Philadelphia trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
sáb. 12/6
sáb. 12/13
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States