What is the cheapest airline to fly from Philadelphia to Saint Thomas Island round-trip?

Our cheapest airline available from Philadelphia to Saint Thomas Island is Spirit Airlines. Our recent data shows that you can find tickets from as low as $220 on this airline. Spirit Airlines is currently priced 62% 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?

$59 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 Delta, with prices starting from $75 and $248, respectively.

What is the cheapest day to fly from Philadelphia to Saint Thomas Island?

Travelers seeking maximum savings on their Philadelphia to Saint Thomas Island flight should consider departing on Thursday evenings when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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

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

What is the cheapest day to fly round-trip from Philadelphia to Saint Thomas Island?

Users have found that leaving on a Monday can be a cost-effective option. It’s possible to save up to 61% on your flight compared to booking on days when demand is much higher.

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

To save up to 104% on this flight, we recommend booking at least 19 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Philadelphia to Saint Thomas Island from $405 1-2 weeks out and tickets from $750 for flights departing within the next 72 hours.

What is the cheapest month to fly from Philadelphia to Saint Thomas Island?

Our data shows that September tends to be the cheapest month to fly to Saint Thomas Island from Philadelphia. Users have commonly found prices around $584 for the month, but tickets can be as low as $110. Due to multiple factors, prepare for potentially higher prices in June.

Most accurate provider : When it comes to deals on Philadelphia-Saint Thomas Island flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Philadelphia-Saint Thomas Island flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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.

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.

$59+ Save on 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

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3. Compare prices and book

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The best prices from Philadelphia to Saint Thomas Island Cyril E King are usually found in September or October, booked 18 days in advance, depart on a Tuesday or Wednesday and return on a Saturday

Cheap flight deals from Philadelphia to Saint Thomas Island

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$220 (FlightHub)
One-way from	$59 (Frontier)
Popular in	June
Cheapest in	September
Average price	$610
Good round-trip deal	$584 or less
Good one-way deal	$243 or less

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

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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. 9% potential increase in price ($60 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($17 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in February 2025

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

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

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Find 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 February 20, 2025.

Fri 4/257:05 pmPHL - STT

1 stop14h 35mSpirit Airlines

Mon 4/281:48 pmSTT - PHL

2 stops20h 25mSpirit Airlines

Deal found 2/19

$220

Fri 3/217:12 pmPHL - STT

2 stops16h 26mMultiple Airlines

Fri 3/281:49 pmSTT - PHL

1 stop11h 44mMultiple Airlines

Deal found 2/20

$224

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 February 20, 2025.

Fri 4/257:05 pmPHL - STT

1 stop14h 35mSpirit Airlines

Mon 4/281:48 pmSTT - PHL

2 stops20h 25mSpirit Airlines

Deal found 2/19

$220

Fri 3/217:12 pmPHL - STT

2 stops16h 26mMultiple Airlines

Fri 3/281:49 pmSTT - PHL

1 stop11h 44mMultiple Airlines

Deal found 2/20

$224

Last-minute flights from Philadelphia to Saint Thomas Island
Discover last-minute flight deals from Philadelphia to Saint Thomas Island. Data last updated February 20, 2025 and is based on user searches.

Tue 2/2512:20 pmPHL - STT

1 stop24h 18mMultiple Airlines

Sun 3/212:57 pmSTT - PHL

1 stop26h 55mMultiple Airlines

Deal found 2/18

$457

Sat 3/15:15 amPHL - STT

1 stop7h 23mSpirit Airlines

Fri 3/712:11 pmSTT - PHL

1 stop21h 47mSpirit Airlines

Deal found 2/19

$235

Sat 3/16:35 pmPHL - STT

1 stop16h 52mAmerican Airlines

Thu 3/131:16 pmSTT - PHL

Nonstop4h 25mAmerican Airlines

Deal found 2/19

$625

Sun 3/27:05 amPHL - STT

1 stop7h 44mDelta

Sat 3/81:53 pmSTT - PHL

1 stop11h 56mDelta

Deal found 2/20

$699

Sun 3/26:30 amPHL - STT

1 stop8h 10mUnited Airlines

Sat 3/82:15 pmSTT - PHL

2 stops20h 16mUnited Airlines

Deal found 2/20

$869

Thu 3/136:38 pmPHL - STT

2 stops15h 23mSpirit Airlines

Tue 3/181:40 pmSTT - PHL

2 stops19h 18mSpirit Airlines

Deal found 2/19

$221

Fri 3/217:12 pmPHL - STT

2 stops16h 26mMultiple Airlines

Fri 3/281:49 pmSTT - PHL

1 stop11h 44mMultiple Airlines

Deal found 2/20

$224

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 February 20, 2025.

Mon 5/196:20 amPHL - STT

1 stop5h 52mFrontier

Deal found 2/19

$59

Wed 3/197:20 pmPHL - STT

1 stop14h 46mSpirit Airlines

Deal found 2/18

$75

Wed 4/168:05 amPHL - STT

1 stop7h 00mDelta

Deal found 2/19

$248

Tue 4/229:05 amPHL - STT

Nonstop4h 00mAmerican Airlines

Deal found 2/19

$288

Mon 3/176:30 amPHL - STT

2 stops10h 05mUnited Airlines

Deal found 2/18

$333

Find flights from Philadelphia to Saint Thomas Island within your budget

Fly from

Fly to

Route

Depart

Return

Price

PhiladelphiaSaint Thomas Island

PHL - STT

PHLSTT

Philadelphia

Fri 4/25

7:05 pm-9:40 am

1 stop14h 35m

Saint Thomas Island Cyril E King

Mon 4/28

1:48 pm-10:13 am

2 stops20h 25m

$220

PhiladelphiaSaint Thomas Island

PHL - STT

PHLSTT

Philadelphia

Fri 3/21

7:12 pm-11:38 am

2 stops16h 26m

Saint Thomas Island Cyril E King

Fri 3/28

1:49 pm-1:33 am

1 stop11h 44m

$224

PhiladelphiaSaint Thomas Island

PHL - STT

PHLSTT

Philadelphia

Mon 5/19

6:20 am-12:12 pm

1 stop5h 52m

$59

PhiladelphiaSaint Thomas Island

PHL - STT

PHLSTT

Philadelphia

Wed 3/19

7:20 pm-10:06 am

1 stop14h 46m

$75

PhiladelphiaSaint Thomas Island

PHL - STT

PHLSTT

Philadelphia

Tue 4/22

9:05 am-1:05 pm

Nonstop4h 00m

$243

PhiladelphiaSaint Thomas Island

PHL - STT

PHLSTT

Philadelphia

Tue 8/19

5:55 am-1:55 pm

1 stop8h 00m

$248

PhiladelphiaSaint Thomas Island

PHL - STT

PHLSTT

Philadelphia

Sat 4/19

6:41 am-5:00 pm

1 stop10h 19m

$293

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

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 February.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
AranGrant	Price Accuracy3 stars	Trust Score*1 star
Cheapfaremart	Price Accuracy-	Trust Score*3 stars
CheapOair	Price Accuracy1 star	Trust Score*3 stars
Cheapflightsfares	Price Accuracy3 stars	Trust Score*2 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Flightnetwork	Price Accuracy-	Trust Score*3 stars
JustAirTicket	Price Accuracy-	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 Philadelphia-Saint Thomas Island flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Philadelphia-Saint Thomas Island flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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.

Travel insights for flights from Philadelphia to Saint Thomas Island

Get recent, data-driven insights about flights from Philadelphia to Saint Thomas Island including ideal travel times, pricing trends, and more.

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 18 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, September is the cheapest month in which you can book a flight from Philadelphia to Saint Thomas Island (average of $433). Flying from Philadelphia to Saint Thomas Island in June is currently the most expensive (average of $657). 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 52% versus a flight in the morning.

Reviews of airlines servicing Saint Thomas Island

Delta

8.0

Very good

8,220 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta

8.0

Very good

8,220 reviews

Delta

8.0

Very good

8,220 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines

7.4

Good

8,766 reviews

Delta

8.0

Very good

8,220 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

8,220 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Spirit Airlines

6.3

Okay

8,013 reviews

Delta

8.0

Very good

8,220 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Frontier

6.0

Okay

3,355 reviews

Delta

8.0

Very good

8,220 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

What is the cheapest airline to fly from Philadelphia to Saint Thomas Island round-trip?
Our cheapest airline available from Philadelphia to Saint Thomas Island is Spirit Airlines. Our recent data shows that you can find tickets from as low as $220 on this airline. Spirit Airlines is currently priced 62% 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?
$59 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 Delta, with prices starting from $75 and $248, respectively.
What are the cheapest flights from Philadelphia to Saint Thomas Island?
On average you can expect to pay $532 for a flight from Philadelphia to Saint Thomas Island. The cheapest flight overall is $243 while the most popular route, (Philadelphia - Saint Thomas Island Cyril E King) is currently priced at $148.
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, September is the cheapest month in which you can book a flight from Philadelphia to Saint Thomas Island (average of $433). Flying from Philadelphia to Saint Thomas Island in June is currently the most expensive (average of $657). 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$144	FlexibilityNo cancel fee	On-time62%
Spirit Airlines	Cheapest$190	Average$350	FlexibilityNo cancel fee	On-time65%
United Airlines	Cheapest$392	Average$847	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$428	Average$684	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$462	Average$737	FlexibilityNo cancel fee	On-timeN/A

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$59+ 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 5/19. 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

The best prices from Philadelphia to Saint Thomas Island Cyril E King are usually found in September or October, booked 18 days in advance, depart on a Tuesday or Wednesday and return on a Saturday

Cheap 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

Find 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 February 20, 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 February 20, 2025.

Find flights from Philadelphia to Saint Thomas Island within your budget

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 February.

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.

Travel insights for flights from Philadelphia to Saint Thomas Island

Get recent, data-driven insights about flights from Philadelphia to Saint Thomas Island including ideal travel times, pricing trends, and more.

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

Use this chart to determine the optimal time to book a round-trip flight from Philadelphia to Saint Thomas Island. Price data was last updated on February 14, 2025.

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?

Find hourly flight availability from Philadelphia to Saint Thomas Island. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 20, 2025.

Reviews of airlines servicing Saint Thomas Island

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 is the cheapest airline to fly 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 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?

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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 February 20, 2025.