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

Southwest and Delta are the most popular carriers operating from Philadelphia to Saint Thomas Island Cyril E King

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

Flights via Orlando (MCO) offer the lowest average round-trip price of $452.

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.

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

14 flights are operational weekly from Philadelphia to Saint Thomas Island as of May 2026. The most popular departure day for this route is Mon, with 14% of flights per week taking off on this day.

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 44% 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 connection time from Philadelphia to Saint Thomas Island?

Orlando (MCO) has the shortest average layover time for this route: 1h 10m.

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

Orlando (MCO) was the most common stop: 92% of momondo users choosing 1-stop flights on this route connected there.

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

As of May 2026, 2 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.

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 May 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.

$236 Cheap Flights from Philadelphia to Saint Thomas Island in 2026

Q: What is the typical price of a round-trip flight between Philadelphia and Saint Thomas Island?

Prices are currently low for flights on this route. Typical prices usually range from $901 to $365. The lowest price recently found on this route was $454.

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

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

Trusted and free

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

Price Alerts

Not ready to book? to track prices.

Search flight deals

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.

9:29 pm - 2:03 pm

PHL

STT

16h 34m

1 stop

3:18 pm - 7:38 am

STT

PHL

16h 20m

2 stops

$454JetBlue

Mon, Jun 29 - Fri, Jul 3

8:55 pm - 2:23 pm

PHL

STT

17h 28m

1 stop

2:58 pm - 7:38 am

STT

PHL

16h 40m

2 stops

$455JetBlue

Thu, Jul 2 - Tue, Jul 21

8:55 pm - 2:03 pm

PHL

STT

17h 08m

1 stop

3:18 pm - 7:38 am

STT

PHL

16h 20m

2 stops

$457JetBlue

Mon, Jun 15 - Fri, Jun 19

8:55 pm - 2:23 pm

PHL

STT

17h 28m

1 stop

2:58 pm - 7:38 am

STT

PHL

16h 40m

2 stops

$465JetBlue

Thu, Jun 18 - Tue, Jun 23

8:55 pm - 2:23 pm

PHL

STT

17h 28m

1 stop

2:58 pm - 7:38 am

STT

PHL

16h 40m

2 stops

$467JetBlue

Thu, Jun 18 - Tue, Jun 23

11:18 am - 2:42 pm

PHL

STT

27h 24m

1 stop

2:58 pm - 7:38 am

STT

PHL

16h 40m

2 stops

$468JetBlue

Tue, Jun 9 - Tue, Jun 16

5:45 am - 1:25 pm

PHL

STT

7h 40m

1 stop

2:10 pm - 11:30 pm

STT

PHL

9h 20m

1 stop

$472Southwest

Sun, Aug 23 - Sun, Aug 30

8:55 pm - 12:59 pm

PHL

STT

16h 04m

1 stop

2:58 pm - 7:38 am

STT

PHL

16h 40m

2 stops

$478JetBlue

Fri, Aug 21 - Fri, Aug 28

8:55 pm - 2:23 pm

PHL

STT

17h 28m

1 stop

2:58 pm - 7:38 am

STT

PHL

16h 40m

2 stops

$489JetBlue

Thu, Jun 18 - Tue, Jun 23

8:55 pm - 2:23 pm

PHL

STT

17h 28m

1 stop

2:58 pm - 7:38 am

STT

PHL

16h 40m

2 stops

$490JetBlue

Thu, Jun 18 - Tue, Jun 23

JetBlue flights from Philadelphia to Saint Thomas Island

Our best JetBlue deals on Philadelphia to Saint Thomas Island flight tickets

JetBlue

Jul 2

PHL8:55 pmPhiladelphia

17h 28m

1 stop

STT2:23 pmSaint Thomas Island Cyril E King

Jul 21

STT2:58 pmSaint Thomas Island Cyril E King

16h 40m

2 stops

PHL7:38 amPhiladelphia

$455

JetBlue

Jun 15

PHL8:55 pmPhiladelphia

17h 08m

1 stop

STT2:03 pmSaint Thomas Island Cyril E King

Jun 19

STT3:18 pmSaint Thomas Island Cyril E King

16h 20m

2 stops

PHL7:38 amPhiladelphia

$457

JetBlue

Jun 18

PHL8:55 pmPhiladelphia

17h 28m

1 stop

STT2:23 pmSaint Thomas Island Cyril E King

Jun 23

STT2:58 pmSaint Thomas Island Cyril E King

16h 40m

2 stops

PHL7:38 amPhiladelphia

$465

Southwest flights from Philadelphia to Saint Thomas Island

Our best Southwest deals on Philadelphia to Saint Thomas Island flight tickets

Southwest

Aug 23

PHL5:45 amPhiladelphia

7h 40m

1 stop

STT1:25 pmSaint Thomas Island Cyril E King

Aug 30

STT2:10 pmSaint Thomas Island Cyril E King

9h 20m

1 stop

PHL11:30 pmPhiladelphia

$472

Southwest

Aug 22

PHL4:50 pmPhiladelphia

20h 35m

2 stops

STT1:25 pmSaint Thomas Island Cyril E King

Aug 29

STT2:05 pmSaint Thomas Island Cyril E King

7h 20m

1 stop

PHL9:25 pmPhiladelphia

$548

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

Mon 6/29

9:29 pm-2:03 pm

1 stop16h 34m

Saint Thomas Island Cyril E King

Fri 7/3

3:18 pm-7:38 am

2 stops16h 20m

$454

PhiladelphiaSaint Thomas Island

PHL - STT

PHLSTT

Philadelphia

Thu 7/2

8:55 pm-2:23 pm

1 stop17h 28m

Saint Thomas Island Cyril E King

Tue 7/21

2:58 pm-7:38 am

2 stops16h 40m

$455

PhiladelphiaSaint Thomas Island

PHL - STT

PHLSTT

Philadelphia

Mon 6/15

8:55 pm-2:03 pm

1 stop17h 08m

Saint Thomas Island Cyril E King

Fri 6/19

3:18 pm-7:38 am

2 stops16h 20m

$457

PhiladelphiaSaint Thomas Island

PHL - STT

PHLSTT

Philadelphia

Thu 6/18

8:55 pm-2:23 pm

1 stop17h 28m

Saint Thomas Island Cyril E King

Tue 6/23

2:58 pm-7:38 am

2 stops16h 40m

$465

PhiladelphiaSaint Thomas Island

PHL - STT

PHLSTT

Philadelphia

Thu 6/18

8:55 pm-2:23 pm

1 stop17h 28m

Saint Thomas Island Cyril E King

Tue 6/23

2:58 pm-7:38 am

2 stops16h 40m

$467

PhiladelphiaSaint Thomas Island

PHL - STT

PHLSTT

Philadelphia

Tue 6/9

11:18 am-2:42 pm

1 stop27h 24m

Saint Thomas Island Cyril E King

Tue 6/16

2:58 pm-7:38 am

2 stops16h 40m

$468

Quickest round-trip

PhiladelphiaSaint Thomas Island

PHL - STT

PHLSTT

Philadelphia

Sun 8/23

5:45 am-1:25 pm

1 stop7h 40m

Saint Thomas Island Cyril E King

Sun 8/30

2:10 pm-11:30 pm

1 stop9h 20m

$472

PhiladelphiaSaint Thomas Island

PHL - STT

PHLSTT

Philadelphia

Fri 8/21

8:55 pm-12:59 pm

1 stop16h 04m

Saint Thomas Island Cyril E King

Fri 8/28

2:58 pm-7:38 am

2 stops16h 40m

$478

PhiladelphiaSaint Thomas Island

PHL - STT

PHLSTT

Philadelphia

Thu 6/18

8:55 pm-2:23 pm

1 stop17h 28m

Saint Thomas Island Cyril E King

Tue 6/23

2:58 pm-7:38 am

2 stops16h 40m

$489

PhiladelphiaSaint Thomas Island

PHL - STT

PHLSTT

Philadelphia

Thu 6/18

8:55 pm-2:23 pm

1 stop17h 28m

Saint Thomas Island Cyril E King

Tue 6/23

2:58 pm-7:38 am

2 stops16h 40m

$490

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

Layovers

Other information

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

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 $695. 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 $901.

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 from Philadelphia 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 $664 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 $533 on momondo.

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

You could potentially save up to 67% 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 May 2026, prices for Philadelphia to Saint Thomas Island flights are approximately 56% 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	$418
Fastest flight time	4h 00m
Direct flights	Wed, Thu and Sun
Airports in Saint Thomas Island	1 airport

The best one-way flight to Saint Thomas Island from Philadelphia in the past 72 hours is $418. The best round-trip flight deal from Philadelphia to Saint Thomas Island found on momondo in the last 72 hours is $741.

The fastest flight from Philadelphia to Saint Thomas Island takes 4h 00m

Direct flights go from Philadelphia to Saint Thomas Island on Wednesday, Thursday and Sunday. The only airline offering direct flights is American Airlines.

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

Search flight deals

Frequently asked questions about flying from Philadelphia to Saint Thomas Island

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 4h 00m 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 May 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 93.39% of all bookings. The subsequent popular models are Boeing 757 at 2.48%, Boeing 737 MAX 8 at 0.83%, and Airbus A318/A319/A320/A321 at 0.83%.
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 3%, 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 5.6 2,964 reviews	Search Frontier flights
Spirit Airlines	PriceFrom $251	Free Cancellation	Rating 6.3 8,637 reviews	Search Spirit Airlines flights
JetBlue	PriceFrom $284	Free Cancellation	Rating 7.1 2,980 reviews	Search JetBlue flights
Delta	PriceFrom $308	Free Cancellation	Rating 7.9 8,459 reviews	Search Delta flights
United Airlines	PriceFrom $559	Free Cancellation	Rating 7.4 9,692 reviews	Search United Airlines flights
American Airlines	PriceFrom $570	Free Cancellation	Rating 7.1 11,670 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 $570 round-trip, up to an average price of $814. 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.

An easier way to manage your Saint Thomas Island 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

Sat 6/6

Sat 6/13

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

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

Nearby airports

Airlines

Cabin classes

Other flights from Philadelphia

Complete your trip

Feeling lucky

Airports servicing U.S. Virgin Islands

Saint Croix Airport

Cheap flights from Philadelphia to Saint Thomas Island from $236

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Philadelphia to Saint Thomas Island

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

JetBlue flights from Philadelphia to Saint Thomas Island

Our best JetBlue deals on Philadelphia to Saint Thomas Island flight tickets

Southwest flights from Philadelphia to Saint Thomas Island

Our best Southwest deals on Philadelphia to Saint Thomas Island flight tickets

momondo Fare Finder

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

See travel insights to Saint Thomas Island from

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

What is the typical price of a round-trip flight between Philadelphia and 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 from Philadelphia to Saint Thomas Island?

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

Frequently asked questions about flying from Philadelphia to 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

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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

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

Airports servicing U.S. Virgin Islands

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.

Fly to other destinations from Philadelphia

According to popular flight searches on momondo this year

Complete your trip to Saint Thomas Island

Explore popular destinations other users love

According to popular flight searches on momondo this year