How long is the flight from Philadelphia to Saint Thomas Island?

There are many flights that can get you from Philadelphia to Saint Thomas Island in 9h 34m. Fly via Spirit Airlines to get the fastest option. The distance between Philadelphia and Saint Thomas Island is about 1608 mi.

What are the cheapest airlines to fly from Philadelphia to Saint Thomas Island one-way?

$53 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Spirit Airlines and American Airlines, with prices starting from $108 and $243, respectively.

Weekly flight availability from Philadelphia to Saint Thomas Island

The most flights from PHL 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).

What are the most reliable airlines from Philadelphia to Saint Thomas Island?

Before booking your flight to Saint Thomas Island from Philadelphia, check out the most reliable airlines to get you to your destination on time: American Airlines (100%), Qatar Airways (100%), Alaska Airlines( 100%).

What are the most popular airlines that fly from Philadelphia to Saint Thomas Island?

American Airlines, Spirit Airlines and Frontier are the most popular airlines when flying from Philadelphia to Saint Thomas Island.

Most accurate provider : When it comes to deals on Philadelphia-Saint Thomas Island flights, users find the pricing of CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on Philadelphia-Saint Thomas Island flight deals on Cheapflights vs. CheapOair >95% of the time. Price accuracy is based on data collected from Philadelphia-Saint Thomas Island flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Philadelphia-Saint Thomas Island flights, Cheapflights users trust CheapOair the most. CheapOair has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Philadelphia-Saint Thomas Island flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airports do I use to fly from Philadelphia to Saint Thomas Island?

Booking a flight from Philadelphia (PHL) to Saint Thomas Island Cyril E King (STT) is your only option if you wish to fly from Philadelphia to Saint Thomas Island. On a typical day, there are 2 flights from Philadelphia to Cyril E King, all of which are around 3h 58m for a nonstop flight. You can also purchase a plane ticket from 5 airlines when you book a flight from Philadelphia to Saint Thomas Island.

How can I find direct flights from Philadelphia 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 Philadelphia to Saint Thomas Island.

Can I find deals for business class flights from Philadelphia to Saint Thomas Island?

Yes. Cheapflights offers flight deals from Philadelphia 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.

$127+ Flights from Philadelphia to Saint Thomas Island

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1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

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Cheapflights Tip: The best prices from Philadelphia to Saint Thomas Island Cyril E King are usually found in September or May, booked 20 days in advance, depart on a Thursday or Sunday and return on a Wednesday

Cheap flight deals from Philadelphia to Saint Thomas Island

Cheapest flights from Philadelphia to Saint Thomas Island
Explore the most affordable flight options available from Philadelphia to Saint Thomas Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 28, 2025.

Tue 12/306:00 amPHL - STT

1 stop7h 00mMultiple Airlines

Sun 1/43:23 pmSTT - PHL

1 stop9h 33mMultiple Airlines

Deal found 12/26

$770

Wed 12/318:04 pmPHL - STT

1 stop11h 41mMultiple Airlines

Mon 1/55:28 pmSTT - PHL

2 stops42h 45mMultiple Airlines

Deal found 12/27

$776

Tue 12/308:54 pmPHL - STT

1 stop13h 37mSpirit Airlines

Sun 1/43:23 pmSTT - PHL

1 stop9h 33mSpirit Airlines

Deal found 12/26

$789

Wed 12/316:00 amPHL - STT

1 stop7h 00mMultiple Airlines

Sun 1/43:23 pmSTT - PHL

1 stop9h 33mMultiple Airlines

Deal found 12/26

$815

Sun 12/287:05 pmPHL - STT

1 stop16h 07mMultiple Airlines

Thu 1/13:23 pmSTT - PHL

1 stop9h 33mMultiple Airlines

Deal found 12/25

$862

Sat 12/277:18 pmPHL - STT

2 stops41h 39mMultiple Airlines

Wed 12/313:23 pmSTT - PHL

1 stop10h 17mMultiple Airlines

Deal found 12/26

$868

Sat 12/277:18 pmPHL - STT

2 stops41h 39mMultiple Airlines

Tue 12/303:34 pmSTT - PHL

1 stop14h 30mMultiple Airlines

Deal found 12/26

$878

Wed 12/317:42 pmPHL - STT

1 stop12h 03mMultiple Airlines

Fri 1/24:18 pmSTT - PHL

1 stop13h 42mMultiple Airlines

Deal found 12/27

$908

Mon 12/298:54 pmPHL - STT

1 stop13h 37mSpirit Airlines

Mon 1/53:23 pmSTT - PHL

1 stop9h 33mSpirit Airlines

Deal found 12/27

$946

Best flights from Philadelphia to Saint Thomas Island
Discover carefully curated flight deals from Philadelphia to Saint Thomas Island that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 28, 2025.

Thu 2/266:00 amPHL - STT

1 stop9h 34mSpirit Airlines

Tue 3/35:40 pmSTT - PHL

1 stop7h 10mSpirit Airlines

Deal found 12/27

$284

Thu 2/266:16 pmPHL - STT

2 stops19h 15mMultiple Airlines

Tue 3/32:15 pmSTT - PHL

2 stops9h 21mMultiple Airlines

Deal found 12/27

$306

Fri 1/238:43 pmPHL - STT

1 stop17h 09mSpirit Airlines

Mon 1/265:42 pmSTT - PHL

1 stop7h 08mSpirit Airlines

Deal found 12/26

$285

Sat 2/78:43 pmPHL - STT

1 stop17h 09mSpirit Airlines

Mon 2/93:57 pmSTT - PHL

1 stop7h 06mSpirit Airlines

Deal found 12/27

$293

Sun 1/116:11 pmPHL - STT

2 stops19h 41mSpirit Airlines

Sun 2/85:42 pmSTT - PHL

1 stop7h 08mSpirit Airlines

Deal found 12/26

$333

Wed 2/115:30 amPHL - STT

1 stop8h 22mSpirit Airlines

Tue 2/175:40 pmSTT - PHL

1 stop7h 10mSpirit Airlines

Deal found 12/27

$333

Tue 2/246:16 pmPHL - STT

2 stops19h 15mSpirit Airlines

Sun 3/13:36 pmSTT - PHL

2 stops9h 14mSpirit Airlines

Deal found 12/27

$340

Sat 4/256:00 amPHL - STT

1 stop7h 31mSpirit Airlines

Thu 4/304:40 pmSTT - PHL

1 stop7h 19mSpirit Airlines

Deal found 12/27

$343

Mon 2/168:12 pmPHL - STT

1 stop17h 19mSpirit Airlines

Sat 2/213:36 pmSTT - PHL

2 stops9h 14mSpirit Airlines

Deal found 12/26

$354

Fri 4/246:15 amPHL - STT

1 stop9h 19mSpirit Airlines

Sat 5/21:21 pmSTT - PHL

1 stop6h 43mSpirit Airlines

Deal found 12/27

$375

Sun 1/116:11 pmPHL - STT

2 stops19h 41mSpirit Airlines

Sun 2/153:36 pmSTT - PHL

1 stop8h 21mSpirit Airlines

Deal found 12/27

$380

Last-minute flights from Philadelphia to Saint Thomas Island
Discover last-minute flight deals from Philadelphia to Saint Thomas Island. Data last updated December 28, 2025 and is based on user searches.

Fri 1/96:00 amPHL - STT

1 stop9h 37mSpirit Airlines

Fri 1/163:57 pmSTT - PHL

1 stop7h 06mSpirit Airlines

Deal found 12/26

$291

Sat 1/178:20 amPHL - STT

1 stop7h 17mSpirit Airlines

Sat 1/243:57 pmSTT - PHL

1 stop7h 06mSpirit Airlines

Deal found 12/27

$283

Sat 1/178:43 pmPHL - STT

1 stop17h 09mSpirit Airlines

Fri 1/233:57 pmSTT - PHL

1 stop7h 06mSpirit Airlines

Deal found 12/26

$285

Sun 1/186:00 amPHL - STT

1 stop9h 37mSpirit Airlines

Sat 1/245:42 pmSTT - PHL

1 stop7h 08mSpirit Airlines

Deal found 12/25

$295

Mon 1/196:00 amPHL - STT

1 stop9h 37mSpirit Airlines

Mon 1/263:57 pmSTT - PHL

1 stop7h 06mSpirit Airlines

Deal found 12/27

$292

Wed 1/218:43 pmPHL - STT

1 stop17h 09mSpirit Airlines

Fri 1/233:57 pmSTT - PHL

1 stop7h 06mSpirit Airlines

Deal found 12/26

$287

Sun 1/258:43 pmPHL - STT

1 stop17h 09mSpirit Airlines

Thu 1/295:42 pmSTT - PHL

1 stop7h 08mSpirit Airlines

Deal found 12/26

$273

One-way flights from Philadelphia to Saint Thomas Island
Search for one-way flight options from Philadelphia to Saint Thomas Island. Find affordable one-way fares based on user searches. Data last updated December 28, 2025.

Wed 2/258:06 amPHL - STT

1 stop7h 28mSpirit Airlines

Deal found 12/26

$127

Mon 1/268:20 amPHL - STT

1 stop7h 17mSpirit Airlines

Deal found 12/26

$131

Sun 1/258:43 pmPHL - STT

1 stop17h 09mSpirit Airlines

Deal found 12/26

$132

Tue 3/246:00 amPHL - STT

1 stop7h 46mJetBlue

Deal found 12/26

$142

Fri 2/208:12 pmPHL - STT

1 stop17h 19mSpirit Airlines

Deal found 12/26

$155

Sat 1/248:20 amPHL - STT

1 stop7h 17mSpirit Airlines

Deal found 12/27

$157

Wed 1/281:40 pmPHL - STT

1 stop25h 57mSpirit Airlines

Deal found 12/27

$158

Sun 1/257:30 amPHL - STT

1 stop8h 07mMultiple Airlines

Deal found 12/27

$161

Fri 1/308:43 pmPHL - STT

1 stop17h 09mSpirit Airlines

Deal found 12/27

$162

Tue 1/278:40 amPHL - STT

1 stop27h 25mJetBlue

Deal found 12/27

$168

Find flight deals from Philadelphia to Saint Thomas Island

Most accurate provider	CheapOair 3 stars
Most trusted provider	CheapOair 3 stars
Round-trip from	$263 (FlightHub)
One-way from	$127 (Super.com)
Popular in	December
Cheapest in	September
Average price	$977
Good round-trip deal	$635 or less
Good one-way deal	$323 or less

Provider with most accurate pricing for Philadelphia-Saint Thomas Island Cyril E King flight deals.

Search Deals

Provider most trusted by Cheapflights users for Philadelphia-Saint Thomas Island Cyril E King flights.

Search Deals

From Philadelphia to Saint Thomas Island Cyril E King

Search Deals

One-way flight from Philadelphia to Saint Thomas Island Cyril E King

Search Deals

Highest demand for flights based on searches. 11% potential increase in price ($79 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease ($33 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Price to beat on a round-trip flight from Philadelphia to Saint Thomas Island Cyril E King.

Search Deals

Price to beat on a one-way flight from Philadelphia to Saint Thomas Island Cyril E King.

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Philadelphia to Saint Thomas Island that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PhiladelphiaSaint Thomas Island

PHL - STT

PHLSTT

Philadelphia

Thu 2/26

6:00 am-4:34 pm

1 stop9h 34m

Saint Thomas Island Cyril E King

Tue 3/3

5:40 pm-11:50 pm

1 stop7h 10m

$284

PhiladelphiaSaint Thomas Island

PHL - STT

PHLSTT

Philadelphia

Fri 1/23

8:43 pm-2:52 pm

1 stop17h 09m

Saint Thomas Island Cyril E King

Mon 1/26

5:42 pm-11:50 pm

1 stop7h 08m

$285

PhiladelphiaSaint Thomas Island

PHL - STT

PHLSTT

Philadelphia

Sat 2/7

8:43 pm-2:52 pm

1 stop17h 09m

Saint Thomas Island Cyril E King

Mon 2/9

3:57 pm-10:03 pm

1 stop7h 06m

$293

PhiladelphiaSaint Thomas Island

PHL - STT

PHLSTT

Philadelphia

Thu 2/26

6:16 pm-2:31 pm

2 stops19h 15m

Saint Thomas Island Cyril E King

Tue 3/3

2:15 pm-10:36 pm

2 stops9h 21m

$306

PhiladelphiaSaint Thomas Island

PHL - STT

PHLSTT

Philadelphia

Sun 1/11

6:11 pm-2:52 pm

2 stops19h 41m

Saint Thomas Island Cyril E King

Sun 2/8

5:42 pm-11:50 pm

1 stop7h 08m

$333

PhiladelphiaSaint Thomas Island

PHL - STT

PHLSTT

Philadelphia

Wed 2/11

5:30 am-2:52 pm

1 stop8h 22m

Saint Thomas Island Cyril E King

Tue 2/17

5:40 pm-11:50 pm

1 stop7h 10m

$333

PhiladelphiaSaint Thomas Island

PHL - STT

PHLSTT

Philadelphia

Tue 2/24

6:16 pm-2:31 pm

2 stops19h 15m

Saint Thomas Island Cyril E King

Sun 3/1

3:36 pm-11:50 pm

2 stops9h 14m

$340

PhiladelphiaSaint Thomas Island

PHL - STT

PHLSTT

Philadelphia

Sat 4/25

6:00 am-1:31 pm

1 stop7h 31m

Saint Thomas Island Cyril E King

Thu 4/30

4:40 pm-11:59 pm

1 stop7h 19m

$343

PhiladelphiaSaint Thomas Island

PHL - STT

PHLSTT

Philadelphia

Mon 2/16

8:12 pm-2:31 pm

1 stop17h 19m

Saint Thomas Island Cyril E King

Sat 2/21

3:36 pm-11:50 pm

2 stops9h 14m

$354

PhiladelphiaSaint Thomas Island

PHL - STT

PHLSTT

Philadelphia

Fri 4/24

6:15 am-3:34 pm

1 stop9h 19m

Saint Thomas Island Cyril E King

Sat 5/2

1:21 pm-8:04 pm

1 stop6h 43m

$375

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/26

Showing 1-10 of 18 results

Compare providers for flights from Philadelphia to Saint Thomas Island

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Philadelphia to Saint Thomas Island in December.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
AranGrant	Price Accuracy2 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
CheapOair	Price Accuracy3 stars	Trust Score*3 stars
Cheapflightsfares	Price Accuracy3 stars	Trust Score*2 stars
JustAirTicket	Price Accuracy-	Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Philadelphia-Saint Thomas Island flights, users find the pricing of CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on Philadelphia-Saint Thomas Island flight deals on Cheapflights vs. CheapOair >95% of the time. Price accuracy is based on data collected from Philadelphia-Saint Thomas Island flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Philadelphia-Saint Thomas Island flights, Cheapflights users trust CheapOair the most. CheapOair has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Philadelphia-Saint Thomas Island flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Philadelphia to Saint Thomas Island

Have a flexible travel schedule? Discover the best time to fly to Saint Thomas Island from Philadelphia 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 Philadelphia to Saint Thomas Island

Prices

Airlines

How far ahead should I book a flight from Philadelphia to Saint Thomas Island?

The price you pay for your flight from Philadelphia to Saint Thomas Island may vary depending on when you book. For the best chance of a lower fare, look to book 20 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Philadelphia to Saint Thomas Island?

Currently, March is the cheapest month in which you can book a flight from Philadelphia to Saint Thomas Island (average of $95). Flying from Philadelphia to Saint Thomas Island in November is currently the most expensive (average of $246). 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 PHL to STT?

When flying from Philadelphia to Saint Thomas Island, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 55% versus a flight in the morning.

Reviews of airlines servicing Saint Thomas Island

Read through reviews of airlines operating flights from Philadelphia to Saint Thomas Island, such as Delta, United Airlines, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Delta

7.9

Good

8,019 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Delta

7.9

Good

8,019 reviews

Delta

7.9

Good

8,019 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

United Airlines

7.4

Good

9,113 reviews

Delta

7.9

Good

8,019 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

American Airlines

7.2

Good

11,072 reviews

Delta

7.9

Good

8,019 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

Spirit Airlines

6.3

Okay

8,212 reviews

Delta

7.9

Good

8,019 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

Frontier

5.8

Fair

3,065 reviews

Delta

7.9

Good

8,019 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

Related info for your journey

What airports do I use to fly from Philadelphia to Saint Thomas Island?
Booking a flight from Philadelphia (PHL) to Saint Thomas Island Cyril E King (STT) is your only option if you wish to fly from Philadelphia to Saint Thomas Island. On a typical day, there are 2 flights from Philadelphia to Cyril E King, all of which are around 3h 58m for a nonstop flight. You can also purchase a plane ticket from 5 airlines when you book a flight from Philadelphia to Saint Thomas Island.
How long is the flight from Philadelphia to Saint Thomas Island?
There are many flights that can get you from Philadelphia to Saint Thomas Island in 9h 34m. Fly via Spirit Airlines to get the fastest option. The distance between Philadelphia and Saint Thomas Island is about 1608 mi.
What are the cheapest airlines flying from Philadelphia to Saint Thomas Island round-trip?
Our cheapest airline available from Philadelphia to Saint Thomas Island is Frontier. Our recent data shows that you can find tickets from as low as $108 on this airline. Additional options worth looking into are Spirit Airlines and Delta, starting at $220 and $464 round-trip. Frontier is currently priced 82% below the average price you’ll pay for this route.
What are the cheapest airlines to fly from Philadelphia to Saint Thomas Island one-way?
$53 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Spirit Airlines and American Airlines, with prices starting from $108 and $243, respectively.
What are the most reliable airlines from Philadelphia to Saint Thomas Island?
Before booking your flight to Saint Thomas Island from Philadelphia, check out the most reliable airlines to get you to your destination on time: American Airlines (100%), Qatar Airways (100%), Alaska Airlines( 100%).
What are the cheapest flights from Philadelphia to Saint Thomas Island?
On average you can expect to pay $609 for a flight from Philadelphia to Saint Thomas Island. The cheapest flight overall is $323 while the most popular route, (Philadelphia - Saint Thomas Island Cyril E King) is currently priced at $266.
Can I find deals for flights from Philadelphia to Saint Thomas Island that include hotel bookings?
Yes. In addition to deals on Philadelphia to Saint Thomas Island flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Philadelphia 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 Philadelphia to Saint Thomas Island.
Can I find deals for business class flights from Philadelphia to Saint Thomas Island?
Yes. Cheapflights offers flight deals from Philadelphia 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 Philadelphia to Saint Thomas Island?
Currently, March is the cheapest month in which you can book a flight from Philadelphia to Saint Thomas Island (average of $95). Flying from Philadelphia to Saint Thomas Island in November is currently the most expensive (average of $246). 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

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Top 5 airlines flying from Philadelphia to Saint Thomas Island

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$108	Average$222	FlexibilityNo cancel fee	On-time62%
Spirit Airlines	Cheapest$224	Average$389	FlexibilityNo cancel fee	On-time65%
American Airlines	Cheapest$472	Average$741	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$493	Average$705	FlexibilityNo cancel fee	On-time69%
Delta	Cheapest$512	Average$799	FlexibilityNo cancel fee	On-timeN/A

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$127+ Cheap flights from Philadelphia (PHL) 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 2/25. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Philadelphia to Saint Thomas Island with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Philadelphia to Saint Thomas Island Cyril E King are usually found in September or May, booked 20 days in advance, depart on a Thursday or Sunday and return on a Wednesday

Cheap flight deals from Philadelphia to Saint Thomas Island

Cheapest flights from Philadelphia to Saint Thomas IslandExplore the most affordable flight options available from Philadelphia to Saint Thomas Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 28, 2025.

Explore the most affordable flight options available from Philadelphia to Saint Thomas Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 28, 2025.

Find flight deals from Philadelphia to Saint Thomas Island

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Cheapflights Fare Finder

Use the filters below to find and compare flights from Philadelphia to Saint Thomas Island that are best for you.

Compare providers for flights from Philadelphia to Saint Thomas Island

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Philadelphia to Saint Thomas Island in December.

Best time to book a flight from Philadelphia to Saint Thomas Island

Have a flexible travel schedule? Discover the best time to fly to Saint Thomas Island from Philadelphia with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Philadelphia to Saint Thomas Island

How far ahead should I book a flight from Philadelphia to Saint Thomas Island?

What is the cheapest month to book a flight from Philadelphia to Saint Thomas Island?

What is the cheapest time of day to fly from PHL to STT?

Weekly flight availability from Philadelphia to Saint Thomas Island

Reviews of airlines servicing Saint Thomas Island

Read through reviews of airlines operating flights from Philadelphia to Saint Thomas Island, such as Delta, United Airlines, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Philadelphia 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 airports do I use to fly from Philadelphia to Saint Thomas Island?

How long is the flight from Philadelphia to Saint Thomas Island?

What are the cheapest airlines flying from Philadelphia to Saint Thomas Island round-trip?

What are the cheapest airlines to fly from Philadelphia to Saint Thomas Island one-way?

What are the most reliable airlines from Philadelphia to Saint Thomas Island?

What are the cheapest flights from Philadelphia to Saint Thomas Island?

Can I find deals for flights from Philadelphia to Saint Thomas Island that include hotel bookings?

How can I find direct flights from Philadelphia to Saint Thomas Island?

Can I find deals for business class flights from Philadelphia to Saint Thomas Island?

What is the cheapest month to book a flight from Philadelphia to Saint Thomas Island?

Traveling to a place near Saint Thomas Island?

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Alternative routes for Philadelphia to Saint Thomas Island

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Top 5 airlines flying from Philadelphia to Saint Thomas Island

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Cheapest flights from Philadelphia to Saint Thomas Island
Explore the most affordable flight options available from Philadelphia to Saint Thomas Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 28, 2025.