What is the cheapest airline that flies from Philadelphia to Saint Thomas Island Cyril E King?

Spirit Airlines is the most popular carrier operating from Philadelphia to Saint Thomas Island Cyril E King

How many flights depart from Philadelphia to Saint Thomas Island on average per day?

As of March 2026, 1 flights take off from Philadelphia and land in Saint Thomas Island each day. The most common flight departure time for this route is 8:00AM, with 100% of daily flights taking off at noon.

Which layover airport offers the lowest fares from Philadelphia to Saint Thomas Island?

Flights via San Juan (SJU) offer the lowest average round-trip price of $178.

How many flights depart from Philadelphia to Saint Thomas Island on average per week?

13 flights are operational weekly from Philadelphia to Saint Thomas Island as of March 2026. The most popular departure day for this route is Sat, with 23% of flights per week taking off on this day.

Which layover airport has the shortest connection time from Philadelphia to Saint Thomas Island?

Orlando (MCO) has the shortest average layover time for this route: 1h 22m.

Which airport is the most popular layover for flights between Philadelphia and Saint Thomas Island?

Orlando (MCO) was the most common stop: 88% of momondo users choosing 1-stop flights on this route connected there.

What airlines fly to Saint Thomas Island?

American Airlines, United Airlines and Delta are the top three most popular airlines that fly to Saint Thomas Island from Philadelphia according to our data. American Airlines is the first choice among our users, with 43% of people opting to fly with this airline when traveling to Saint Thomas Island. Keep in mind that there are 6 different airlines that fly to Saint Thomas Island on a routine basis, so you have a few additional options to choose from.

Which layover airport has the shortest travel time from Philadelphia to Saint Thomas Island?

Flights connecting via Orlando (MCO) have the shortest average one-way travel time: 6h 58m.

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

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

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

As of March 2026, there are 6 operators available to choose from for flights from Philadelphia Airport to Saint Thomas Island Cyril E King Airport.

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Philadelphia Airport to Saint Thomas Island Cyril E King Airport.

What documentation or ID do you need to fly to Saint Thomas Island Cyril E King Airport?

The travel and health documents required for your trip to Saint Thomas Island Cyril E King Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Saint Thomas Island Cyril E King Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$136 Cheap Flights from Philadelphia to Saint Thomas Island in 2026

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Find the cheapest flights from Philadelphia to Saint Thomas Island

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:48 am - 3:28 pm

PHL

STT

8h 40m

1 stop

4:35 pm - 11:10 am

STT

PHL

18h 35m

1 stop

$281Spirit Airlines

Thu, Apr 9 - Tue, Apr 14

5:32 pm - 3:28 pm

PHL

STT

21h 56m

1 stop

4:35 pm - 11:10 am

STT

PHL

18h 35m

1 stop

$283Multiple Airlines

Sun, Apr 12 - Tue, Apr 14

8:18 am - 3:28 pm

PHL

STT

7h 10m

1 stop

4:35 pm - 11:10 am

STT

PHL

18h 35m

1 stop

$285Spirit Airlines

Mon, Apr 13 - Tue, Apr 14

8:18 am - 3:28 pm

PHL

STT

7h 10m

1 stop

4:35 pm - 11:10 am

STT

PHL

18h 35m

1 stop

$286Spirit Airlines

Sat, Apr 11 - Tue, Apr 14

6:08 pm - 3:28 pm

PHL

STT

21h 20m

1 stop

5:10 pm - 11:37 pm

STT

PHL

6h 27m

1 stop

$287Spirit Airlines

Fri, Apr 10 - Fri, Apr 17

6:08 pm - 3:28 pm

PHL

STT

21h 20m

1 stop

5:10 pm - 11:37 pm

STT

PHL

6h 27m

1 stop

$288Spirit Airlines

Fri, Apr 10 - Fri, Apr 17

5:44 pm - 3:28 pm

PHL

STT

21h 44m

1 stop

12:25 pm - 11:10 pm

STT

PHL

10h 45m

1 stop

$290Multiple Airlines

Sat, Apr 11 - Sat, Apr 18

6:48 am - 3:28 pm

PHL

STT

8h 40m

1 stop

5:10 pm - 11:37 pm

STT

PHL

6h 27m

1 stop

$291Spirit Airlines

Wed, Apr 8 - Wed, Apr 15

8:18 am - 3:28 pm

PHL

STT

7h 10m

1 stop

4:35 pm - 11:10 am

STT

PHL

18h 35m

1 stop

$293Spirit Airlines

Mon, Apr 13 - Tue, Apr 14

6:48 am - 3:28 pm

PHL

STT

8h 40m

1 stop

2:36 pm - 11:10 am

STT

PHL

20h 34m

2 stops

$294Spirit Airlines

Thu, Apr 9 - Tue, Apr 14

Spirit Airlines flights from Philadelphia to Saint Thomas Island

Our best Spirit Airlines deals on Philadelphia to Saint Thomas Island flight tickets

Spirit Airlines

Apr 9

PHL6:48 amPhiladelphia

8h 40m

1 stop

STT3:28 pmSaint Thomas Island Cyril E King

Apr 14

STT4:35 pmSaint Thomas Island Cyril E King

18h 35m

1 stop

PHL11:10 amPhiladelphia

$281

Spirit Airlines

Apr 13

PHL8:18 amPhiladelphia

7h 10m

1 stop

STT3:28 pmSaint Thomas Island Cyril E King

Apr 14

STT4:35 pmSaint Thomas Island Cyril E King

18h 35m

1 stop

PHL11:10 amPhiladelphia

$285

Spirit Airlines

Apr 11

PHL8:18 amPhiladelphia

7h 10m

1 stop

STT3:28 pmSaint Thomas Island Cyril E King

Apr 14

STT4:35 pmSaint Thomas Island Cyril E King

18h 35m

1 stop

PHL11:10 amPhiladelphia

$286

momondo 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

Cheapest round-trip

PhiladelphiaSaint Thomas Island

PHL - STT

PHLSTT

Philadelphia

Thu 4/9

6:48 am-3:28 pm

1 stop8h 40m

Saint Thomas Island Cyril E King

Tue 4/14

4:35 pm-11:10 am

1 stop18h 35m

$281

PhiladelphiaSaint Thomas Island

PHL - STT

PHLSTT

Philadelphia

Sun 4/12

5:32 pm-3:28 pm

1 stop21h 56m

Saint Thomas Island Cyril E King

Tue 4/14

4:35 pm-11:10 am

1 stop18h 35m

$283

PhiladelphiaSaint Thomas Island

PHL - STT

PHLSTT

Philadelphia

Mon 4/13

8:18 am-3:28 pm

1 stop7h 10m

Saint Thomas Island Cyril E King

Tue 4/14

4:35 pm-11:10 am

1 stop18h 35m

$285

PhiladelphiaSaint Thomas Island

PHL - STT

PHLSTT

Philadelphia

Sat 4/11

8:18 am-3:28 pm

1 stop7h 10m

Saint Thomas Island Cyril E King

Tue 4/14

4:35 pm-11:10 am

1 stop18h 35m

$286

PhiladelphiaSaint Thomas Island

PHL - STT

PHLSTT

Philadelphia

Fri 4/10

6:08 pm-3:28 pm

1 stop21h 20m

Saint Thomas Island Cyril E King

Fri 4/17

5:10 pm-11:37 pm

1 stop6h 27m

$287

PhiladelphiaSaint Thomas Island

PHL - STT

PHLSTT

Philadelphia

Fri 4/10

6:08 pm-3:28 pm

1 stop21h 20m

Saint Thomas Island Cyril E King

Fri 4/17

5:10 pm-11:37 pm

1 stop6h 27m

$288

PhiladelphiaSaint Thomas Island

PHL - STT

PHLSTT

Philadelphia

Sat 4/11

5:44 pm-3:28 pm

1 stop21h 44m

Saint Thomas Island Cyril E King

Sat 4/18

12:25 pm-11:10 pm

1 stop10h 45m

$290

Quickest round-trip

PhiladelphiaSaint Thomas Island

PHL - STT

PHLSTT

Philadelphia

Wed 4/8

6:48 am-3:28 pm

1 stop8h 40m

Saint Thomas Island Cyril E King

Wed 4/15

5:10 pm-11:37 pm

1 stop6h 27m

$291

PhiladelphiaSaint Thomas Island

PHL - STT

PHLSTT

Philadelphia

Mon 4/13

8:18 am-3:28 pm

1 stop7h 10m

Saint Thomas Island Cyril E King

Tue 4/14

4:35 pm-11:10 am

1 stop18h 35m

$293

PhiladelphiaSaint Thomas Island

PHL - STT

PHLSTT

Philadelphia

Thu 4/9

6:48 am-3:28 pm

1 stop8h 40m

Saint Thomas Island Cyril E King

Tue 4/14

2:36 pm-11:10 am

2 stops20h 34m

$294

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

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

Prices

Airlines

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Other information

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

The month of September is another great option to travel to Saint Thomas Island, with average flight prices from Philadelphia averaging around $559.

What is the cheapest day to depart on your flight to Saint Thomas Island?

On average, the least expensive day to fly to Saint Thomas Island from Philadelphia is on a Sunday. momondo users have found tickets for Sunday departures for as low as $676. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Philadelphia to Saint Thomas Island for around $894.

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

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

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

You are more likely to see cheaper flights to Saint Thomas Island from Philadelphia when booking weeks ahead of your departure date. In general, you can expect to find flights to Saint Thomas Island for around $656 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Saint Thomas Island from Philadelphia for as low as $453 on momondo.

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

There is only 1 cabin class available to choose from on Philadelphia to Saint Thomas Island Cyril E King flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Philadelphia to Saint Thomas Island flights?

You could potentially save up to 71% on your flight if you consider stops on a Philadelphia to Saint Thomas Island flight.

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

As of March 2026, prices for Philadelphia to Saint Thomas Island flights are approximately 97% more expensive when compared to flights at the same time last year.

When to book flights from Philadelphia to Saint Thomas Island

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

Estimated round-trip price

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

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

Best Price Found	$831
Fastest flight time	7h 09m
Direct flights	Every day
Airports in Saint Thomas Island	1 airport

The best flight deal from Philadelphia to Saint Thomas Island found on momondo in the last 72 hours is $831

The fastest flight from Philadelphia to Saint Thomas Island takes 7h 09m

Direct flights go from Philadelphia to Saint Thomas Island every day.

There is 1 airport in Saint Thomas Island. From Philadelphia there are direct flights to Saint Thomas Island Cyril E King (STT).

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How far is Philadelphia to Saint Thomas Island Cyril E King by plane?
Philadelphia and Saint Thomas Island Cyril E King are 1611.8 mi apart from one another. Typically, this will take 7h 09m by plane in normal conditions.
When did momondo last update prices for flights from Philadelphia Airport to Saint Thomas Island Cyril E King Airport?
Prices for flights from Philadelphia Airport to Saint Thomas Island Cyril E King Airport were last updated today.
How many operators does momondo search for flights from Philadelphia Airport to Saint Thomas Island Cyril E King Airport?
As of March 2026, there are 6 operators available to choose from for flights from Philadelphia Airport to Saint Thomas Island Cyril E King Airport.
How old do you have to be to fly from Philadelphia Airport to Saint Thomas Island Cyril E King Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Philadelphia Airport to Saint Thomas Island Cyril E King Airport.
What documentation or ID do you need to fly to Saint Thomas Island Cyril E King Airport?
The travel and health documents required for your trip to Saint Thomas Island Cyril E King Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Saint Thomas Island Cyril E King Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Philadelphia to Saint Thomas Island?
momondo data reveals that the most frequently booked plane model on the route from Philadelphia to Saint Thomas Island is Airbus A319, representing 95.00% of all bookings. The subsequent popular models are Boeing 757 at 2.14%, Airbus A320-100/200 at 1.43%, and Boeing 737 MAX 8 at 0.71%.
What is the most popular airline from Philadelphia to Saint Thomas Island?
Based on momondo bookings for flights between Philadelphia and Saint Thomas Island, the leading airline is American Airlines, making up 57% of the total bookings. Other popular airlines include Spirit Airlines with 34%, Frontier with 5%, and Delta with 2%.

Best airlines flying from Philadelphia to Saint Thomas Island

Compare and see reviews for airlines that fly from Philadelphia to Saint Thomas Island with momondo

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $172	Free Cancellation	Rating 5.7 3,020 reviews	Search Frontier flights
Spirit Airlines	PriceFrom $243	Free Cancellation	Rating 6.3 8,533 reviews	Search Spirit Airlines flights
JetBlue	PriceFrom $284	Free Cancellation	Rating 7.2 2,911 reviews	Search JetBlue flights
Delta	PriceFrom $308	Free Cancellation	Rating 7.9 8,317 reviews	Search Delta flights
United Airlines	PriceFrom $493	Free Cancellation	Rating 7.4 9,459 reviews	Search United Airlines flights
American Airlines	PriceFrom $557	Free Cancellation	Rating 7.1 11,485 reviews	Search American Airlines flights

American Airlines Flights From Philadelphia to Saint Thomas Island
American Airlines is one of the most popular airlines flying from Philadelphia to Saint Thomas Island, operating 7 flights/week on average for this route. A good American Airlines flight deal for Philadelphia to Saint Thomas Island starts from $557 round-trip, up to an average price of $772. Our users have rated American Airlines at 7.1/10.

St. John

Why use momondo?

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

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

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

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

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

Once all potential Philadelphia to Saint Thomas Island flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

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

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

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

What is the cheapest day to depart on your flight to Saint Thomas Island?

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

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

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

Can stopping save me money on Philadelphia to Saint Thomas Island flights?

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

What is the cheapest airline that flies from Philadelphia to Saint Thomas Island Cyril E King?

What airlines fly to Saint Thomas Island?

Which airport is the most popular layover for flights between Philadelphia and Saint Thomas Island?

Which layover airport offers the lowest fares from Philadelphia to Saint Thomas Island?

Which layover airport has the shortest travel time from Philadelphia to Saint Thomas Island?

Which layover airport has the shortest connection time from Philadelphia to Saint Thomas Island?

How many flights depart from Philadelphia to Saint Thomas Island on average per day?

How many flights depart from Philadelphia to Saint Thomas Island on average per week?

When to book flights from Philadelphia to Saint Thomas Island

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

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

Best Price Found

Fastest flight time

Direct flights

Airports in Saint Thomas Island

Best airlines flying from Philadelphia to Saint Thomas Island

Compare and see reviews for airlines that fly from Philadelphia to Saint Thomas Island with momondo

American Airlines Flights From Philadelphia to Saint Thomas Island

Traveling to a place near Saint Thomas Island?

Why use momondo?

An easier way to manage your Saint Thomas Island trip

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Find better results for your trip to the U.S. Virgin Islands

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Fly your favorite airline to Saint Thomas Island

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Saint Thomas Island

List of cabin classes available on flights landing in Saint Thomas Island. Availability may vary depending on flight origin and airline.

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