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

Spirit Airlines can get you from Saint Thomas Island to Philadelphia in just under 18h 24m. Your travel time can differ by up to . The distance between Saint Thomas Island and Philadelphia is about 1608 mi.

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

To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $54. Spirit Airlines flights start at $111 while deals on Delta start at $251 one-way.

In terms of precipitation, rainfall in Philadelphia ranges from 2.7 - 4.4 inches per month. July is typically the wettest month, when rainfall can reach 4.4 in. February is typically the driest time to visit Philadelphia when rainfall is around 2.7 in.

If weather is an important factor for your trip to Philadelphia, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 33.8 F).

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

Consider American Airlines (100%), Qatar Airways (100%) or Alaska Airlines (100%) when booking your flight. These represent the most reliable airlines when flying from Saint Thomas Island to Philadelphia.

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

The most popular airlines flying from Saint Thomas Island to Philadelphia are American Airlines, Spirit Airlines and Delta. Something to consider prior to booking your flight.

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

Most trusted provider : When it comes to deals on Saint Thomas Island-Philadelphia flights, Cheapflights users trust eDreams the most. eDreams 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 Saint Thomas Island-Philadelphia flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Saint Thomas Island to Philadelphia.

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

Yes. Cheapflights offers flight deals from Saint Thomas Island to Philadelphia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$116+ Flights from Saint Thomas Island to Philadelphia

Q: How much does it cost to fly round-trip from Saint Thomas Island to Philadelphia?

Airfare is below average for this route at the moment. Saint Thomas Island to Philadelphia flights typically cost between $579 and $670 in January. The cheapest round-trip price found within the last 3 days was $291 on Multiple Airlines (Jan 7-Jan 14).

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Cheap flight deals from Saint Thomas Island to Philadelphia

Cheapest flights from Saint Thomas Island to Philadelphia
Explore the most affordable flight options available from Saint Thomas Island to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

Fri 12/263:23 pmSTT - PHL

1 stop9h 33mSpirit Airlines

Tue 12/308:54 pmPHL - STT

1 stop13h 37mSpirit Airlines

Deal found 12/11

$390

Fri 12/262:30 pmSTT - PHL

Nonstop4h 15mAmerican Airlines

Tue 12/308:55 amPHL - STT

Nonstop4h 04mAmerican Airlines

Deal found 12/11

$770

Best flights from Saint Thomas Island to Philadelphia
Discover carefully curated flight deals from Saint Thomas Island to Philadelphia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 12, 2025.

Wed 1/73:23 pmSTT - PHL

1 stop18h 14mMultiple Airlines

Wed 1/144:08 pmPHL - STT

1 stop21h 44mMultiple Airlines

Deal found 12/9

$291

Wed 1/73:23 pmSTT - PHL

2 stops18h 24mSpirit Airlines

Wed 1/141:40 pmPHL - STT

2 stops24h 12mSpirit Airlines

Deal found 12/9

$300

Thu 1/153:05 pmSTT - PHL

2 stops24h 05mUnited Airlines

Tue 1/207:45 pmPHL - STT

2 stops19h 33mUnited Airlines

Deal found 12/10

$496

Sun 1/255:42 pmSTT - PHL

1 stop7h 08mSpirit Airlines

Sat 1/315:30 amPHL - STT

1 stop8h 22mSpirit Airlines

Deal found 12/11

$324

Fri 12/263:23 pmSTT - PHL

1 stop9h 33mSpirit Airlines

Tue 12/308:54 pmPHL - STT

1 stop13h 37mSpirit Airlines

Deal found 12/11

$390

Fri 2/65:25 pmSTT - PHL

2 stops26h 30mUnited Airlines

Sun 2/87:45 pmPHL - STT

1 stop17h 11mUnited Airlines

Deal found 12/10

$525

Wed 5/202:45 pmSTT - PHL

2 stops20h 30mMultiple Airlines

Fri 5/2912:00 pmPHL - STT

1 stop5h 20mMultiple Airlines

Deal found 12/11

$568

Thu 1/155:42 pmSTT - PHL

3 stops29h 21mMultiple Airlines

Tue 1/208:43 pmPHL - STT

2 stops16h 50mMultiple Airlines

Deal found 12/10

$579

Last-minute flights from Saint Thomas Island to Philadelphia
Discover last-minute flight deals from Saint Thomas Island to Philadelphia. Data last updated December 12, 2025 and is based on user searches.

Fri 12/263:23 pmSTT - PHL

1 stop9h 33mSpirit Airlines

Tue 12/308:54 pmPHL - STT

1 stop13h 37mSpirit Airlines

Deal found 12/11

$390

Wed 1/73:23 pmSTT - PHL

1 stop18h 14mMultiple Airlines

Wed 1/144:08 pmPHL - STT

1 stop21h 44mMultiple Airlines

Deal found 12/9

$291

Wed 1/73:23 pmSTT - PHL

2 stops18h 24mSpirit Airlines

Wed 1/141:40 pmPHL - STT

2 stops24h 12mSpirit Airlines

Deal found 12/9

$300

Thu 1/155:42 pmSTT - PHL

1 stop7h 08mMultiple Airlines

Tue 1/208:40 amPHL - STT

2 stops29h 25mMultiple Airlines

Deal found 12/10

$391

Sun 1/255:42 pmSTT - PHL

1 stop7h 08mSpirit Airlines

Sat 1/315:30 amPHL - STT

1 stop8h 22mSpirit Airlines

Deal found 12/11

$324

One-way flights from Saint Thomas Island to Philadelphia
Search for one-way flight options from Saint Thomas Island to Philadelphia. Find affordable one-way fares based on user searches. Data last updated December 12, 2025.

Mon 3/91:01 pmSTT - PHL

2 stops9h 44mJetBlue

Deal found 12/10

$116

Sat 2/75:42 pmSTT - PHL

1 stop7h 48mMultiple Airlines

Deal found 12/10

$130

Wed 1/712:31 pmSTT - PHL

1 stop21h 16mSpirit Airlines

Deal found 12/11

$136

Fri 1/93:57 pmSTT - PHL

1 stop7h 06mSpirit Airlines

Deal found 12/10

$137

Sat 1/105:42 pmSTT - PHL

1 stop16h 05mSpirit Airlines

Deal found 12/10

$159

Mon 1/123:57 pmSTT - PHL

1 stop23h 00mMultiple Airlines

Deal found 12/11

$161

Tue 2/105:42 pmSTT - PHL

1 stop18h 32mSpirit Airlines

Deal found 12/11

$164

Thu 1/83:57 pmSTT - PHL

1 stop21h 36mMultiple Airlines

Deal found 12/11

$167

Thu 2/125:40 pmSTT - PHL

1 stop29h 59mMultiple Airlines

Deal found 12/11

$171

Find flight deals from Saint Thomas Island to Philadelphia

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$291 (Kiwi.com)
One-way from	$116 (Expedia)
Popular in	November
Cheapest in	February
Average price	$629
Good one-way deal	$306 or less

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

Search Deals

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

Search Deals

From Saint Thomas Island Cyril E King to Philadelphia

Search Deals

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

Search Deals

Highest demand for flights based on searches. 30% potential increase in price ($216 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 6% potential price decrease ($30 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

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

Search Deals

Cheapflights Fare Finder

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

Wed 1/7

3:23 pm-8:37 am

1 stop18h 14m

Philadelphia

Wed 1/14

4:08 pm-2:52 pm

1 stop21h 44m

$291

Saint Thomas IslandPhiladelphia

STT - PHL

STTPHL

Saint Thomas Island Cyril E King

Wed 1/7

3:23 pm-8:47 am

2 stops18h 24m

Philadelphia

Wed 1/14

1:40 pm-2:52 pm

2 stops24h 12m

$300

Saint Thomas IslandPhiladelphia

STT - PHL

STTPHL

Saint Thomas Island Cyril E King

Sun 1/25

5:42 pm-11:50 pm

1 stop7h 08m

Philadelphia

Sat 1/31

5:30 am-2:52 pm

1 stop8h 22m

$324

Saint Thomas IslandPhiladelphia

STT - PHL

STTPHL

Saint Thomas Island Cyril E King

Fri 12/26

3:23 pm-11:56 pm

1 stop9h 33m

Philadelphia

Tue 12/30

8:54 pm-11:31 am

1 stop13h 37m

$390

Saint Thomas IslandPhiladelphia

STT - PHL

STTPHL

Saint Thomas Island Cyril E King

Thu 1/15

3:05 pm-2:10 pm

2 stops24h 05m

Philadelphia

Tue 1/20

7:45 pm-4:18 pm

2 stops19h 33m

$496

Saint Thomas IslandPhiladelphia

STT - PHL

STTPHL

Saint Thomas Island Cyril E King

Fri 2/6

5:25 pm-6:55 pm

2 stops26h 30m

Philadelphia

Sun 2/8

7:45 pm-1:56 pm

1 stop17h 11m

$525

Saint Thomas IslandPhiladelphia

STT - PHL

STTPHL

Saint Thomas Island Cyril E King

Wed 5/20

2:45 pm-11:15 am

2 stops20h 30m

Philadelphia

Fri 5/29

12:00 pm-5:20 pm

1 stop5h 20m

$568

Saint Thomas IslandPhiladelphia

STT - PHL

STTPHL

Saint Thomas Island Cyril E King

Thu 1/15

5:42 pm-10:03 pm

3 stops29h 21m

Philadelphia

Tue 1/20

8:43 pm-2:33 pm

2 stops16h 50m

$579

Saint Thomas IslandPhiladelphia

STT - PHL

STTPHL

Saint Thomas Island Cyril E King

Sat 2/7

5:42 pm-12:30 am

1 stop7h 48m

$134

Saint Thomas IslandPhiladelphia

STT - PHL

STTPHL

Saint Thomas Island Cyril E King

Mon 2/9

5:15 pm-5:07 pm

1 stop24h 52m

$137

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Showing 1-10 of 19 results

Compare providers for flights from Saint Thomas Island to Philadelphia

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

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust Score*3 stars

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

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

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

Currently, April is the cheapest month in which you can book a flight from Saint Thomas Island to Philadelphia (average of $102). Flying from Saint Thomas Island to Philadelphia in July is currently the most expensive (average of $303). 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 STT to PHL?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Saint Thomas Island to Philadelphia as you normally would.

How much does it cost to fly round-trip from Saint Thomas Island to Philadelphia?

Reviews of airlines servicing Philadelphia

Get a feel of what it's like to fly with Delta, American Airlines, and Spirit Airlines from Saint Thomas Island to Philadelphia by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

7.9

Good

8,007 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

8,007 reviews

Delta

7.9

Good

8,007 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

American Airlines

7.2

Good

11,050 reviews

Delta

7.9

Good

8,007 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

Spirit Airlines

6.3

Okay

8,180 reviews

Delta

7.9

Good

8,007 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

Related info for your journey

How long is the flight from Saint Thomas Island to Philadelphia?
Spirit Airlines can get you from Saint Thomas Island to Philadelphia in just under 18h 24m. Your travel time can differ by up to . The distance between Saint Thomas Island and Philadelphia is about 1608 mi.
What are the cheapest airlines flying from Saint Thomas Island to Philadelphia round-trip?
Spirit Airlines, at $197, was found to be the cheapest airline from Saint Thomas Island to Philadelphia.Alternate airlines to your destination round-trip include Delta and American Airlines. Users have found that Spirit Airlines is 60% cheaper than the other options available to this destination.
What are the cheapest airlines to fly from Saint Thomas Island to Philadelphia one-way?
To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $54. Spirit Airlines flights start at $111 while deals on Delta start at $251 one-way.
What are the most reliable airlines from Saint Thomas Island to Philadelphia?
Consider American Airlines (100%), Qatar Airways (100%) or Alaska Airlines (100%) when booking your flight. These represent the most reliable airlines when flying from Saint Thomas Island to Philadelphia.
What are the cheapest flights from Saint Thomas Island to Philadelphia?
The cheapest flight price from Saint Thomas Island to Philadelphia is $115. On average you can expect to pay $361. The most popular route, (Saint Thomas Island Cyril E King - Philadelphia), can usually be booked for $277.
Can I find deals for flights from Saint Thomas Island to Philadelphia that include hotel bookings?
Yes. In addition to deals on Saint Thomas Island to Philadelphia flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Saint Thomas Island to Philadelphia?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Saint Thomas Island to Philadelphia.
Can I find deals for business class flights from Saint Thomas Island to Philadelphia?
Yes. Cheapflights offers flight deals from Saint Thomas Island to Philadelphia 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 Saint Thomas Island to Philadelphia?
Currently, April is the cheapest month in which you can book a flight from Saint Thomas Island to Philadelphia (average of $102). Flying from Saint Thomas Island to Philadelphia in July is currently the most expensive (average of $303). 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 3 airlines flying from Saint Thomas Island to Philadelphia

Airline	Cheapest	Average	Flexibility	On-time
Spirit Airlines	Cheapest$197	Average$299	FlexibilityNo cancel fee	On-time65%
Delta	Cheapest$439	Average$579	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$574	Average$670	FlexibilityNo cancel fee	On-time71%

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$116+ Cheap flights from Saint Thomas Island (STT) to Philadelphia (PHL)

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 3/9. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Saint Thomas Island to Philadelphia with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Saint Thomas Island to Philadelphia

Cheapest flights from Saint Thomas Island to PhiladelphiaExplore the most affordable flight options available from Saint Thomas Island to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

Explore the most affordable flight options available from Saint Thomas Island to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

Find flight deals from Saint Thomas Island to Philadelphia

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good one-way deal

Cheapflights Fare Finder

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

Compare providers for flights from Saint Thomas Island to Philadelphia

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 Saint Thomas Island to Philadelphia in December.

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

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

Cheapflights Insights

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

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

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

How much does it cost to fly round-trip from Saint Thomas Island to Philadelphia?

Reviews of airlines servicing Philadelphia

Get a feel of what it's like to fly with Delta, American Airlines, and Spirit Airlines from Saint Thomas Island to Philadelphia by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Saint Thomas Island to Philadelphia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

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

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

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

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

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

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

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

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

Traveling to a place near Philadelphia?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Saint Thomas Island to Philadelphia

See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from Saint Thomas Island to Philadelphia

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Cheapest flights from Saint Thomas Island to Philadelphia
Explore the most affordable flight options available from Saint Thomas Island to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.