PHL - STT

$128 Find Cheap Flights from Philadelphia to Saint Thomas Island

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Philadelphia to Saint Thomas Island departing on 10/6. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy

KAYAK searches hundreds of travel sites at once for deals on flights to Saint Thomas Island

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Philadelphia to Saint Thomas Island, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Philadelphia to Saint Thomas Island, as well as popular online travel agencies
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Cheap Flights from Philadelphia to Saint Thomas Island (PHL-STT)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Philadelphia to Saint Thomas Island that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Philadelphia to Saint Thomas Island

Wed, Dec 3 - Sat, Dec 6
Spirit Airlines Logo
8:05 pm - 12:28 pmPHL-STT
15h 23m1 stop
Spirit Airlines Logo
1:33 pm - 12:32 amSTT-PHL
11h 59m1 stop
$259Spirit Airlines
Find Deal
Sat, Oct 25 - Sat, Nov 1
Spirit Airlines Logo
5:20 am - 12:59 pmPHL-STT
7h 39m1 stop
Spirit Airlines Logo
2:01 pm - 9:24 pmSTT-PHL
7h 23m1 stop
$261Spirit Airlines
Find Deal
Sat, Oct 25 - Sat, Nov 1
Spirit Airlines Logo
7:54 pm - 9:56 amPHL-STT
14h 02m1 stop
Spirit Airlines Logo
11:01 am - 6:49 pmSTT-PHL
7h 48m1 stop
$263Spirit Airlines
Find Deal
Wed, Nov 12 - Tue, Nov 18
Spirit Airlines Logo
7:00 am - 3:11 pmPHL-STT
7h 11m1 stop
Spirit Airlines Logo
1:33 pm - 12:32 amSTT-PHL
11h 59m1 stop
$264Spirit Airlines
Find Deal
Sat, Oct 4 - Tue, Oct 7
Spirit Airlines Logo
9:50 pm - 9:56 amPHL-STT
12h 06m1 stop
Spirit Airlines Logo
11:01 am - 11:36 pmSTT-PHL
12h 35m1 stop
$265Spirit Airlines
Find Deal
Fri, Oct 3 - Tue, Oct 7
Spirit Airlines Logo
9:50 pm - 9:44 amPHL-STT
11h 54m1 stop
Spirit Airlines Logo
11:01 am - 11:36 pmSTT-PHL
12h 35m1 stop
$268Spirit Airlines
Find Deal
Wed, Nov 12 - Wed, Nov 19
Spirit Airlines Logo
8:05 pm - 12:28 pmPHL-STT
15h 23m1 stop
Spirit Airlines Logo
1:33 pm - 12:32 amSTT-PHL
11h 59m1 stop
$273Spirit Airlines
Find Deal
Sat, Oct 4 - Tue, Oct 7
Spirit Airlines Logo
9:50 pm - 9:56 amPHL-STT
12h 06m1 stop
Spirit Airlines Logo
11:01 am - 12:53 pmSTT-PHL
25h 52m2 stops
$277Spirit Airlines
Find Deal
Sun, Oct 26 - Sun, Nov 2
 Logo
5:05 am - 1:35 pmPHL-STT
8h 30m1 stop
 Logo
3:37 pm - 1:14 amSTT-PHL
10h 37m1 stop
Mon, Oct 27 - Thu, Oct 30
 Logo
5:05 am - 9:56 amPHL-STT
28h 51m1 stop
 Logo
2:40 pm - 1:17 amSTT-PHL
10h 37m1 stop

Everything you should know

Our travelers' advice
AI-generated summary based on content written by travel experts
PHL offers Philly-focused dining like cheesesteaks.
At STT, use USVI-licensed taxis and confirm rates.
Expert advice
Expert advice
Expert advice
Expert advice
When to book
2 weeks
in advance
Our data shows that travelers who book at least 2 weeks in advance save around 20% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
September
Cheapest • 12% price drop
February
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
Nonstop flights
1 day a week
There are direct flights from Philadelphia to Saint Thomas Island 1 day a week: Sat.
Direct flights
Direct flights
Direct flights
Direct flights
Cheapest round-trip
$259
Overall average: $658
Spirit Airlines
Wed 12/3Sat 12/6
PHL - STT • 1 stop
Cheapest non-stop
$570
Typical prices: $488-969
American Airlines
Fri 3/6Wed 3/11
PHL - STT • Non-stop
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Saint Thomas Island!
Expert advice

Expert advice for your flight from Philadelphia to Saint Thomas Island

 
Snippets provided in this section are AI-generated based on a summarization of KAYAK-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Airports
PHL

PHL offers Philly-focused dining with local treats like cheesesteaks and Tastykake snacks. Check the "OrderatPHL" program for online ordering and pickup.

Read more about PHLby Harriet Baskas
STT

At STT, USVI-licensed taxis are available. Confirm rates before boarding to avoid surprises. Look for taxis with a dome light and TP on plates.

Read more about STTby Marisa Garcia
Our travel experts
Marisa Garcia

Marisa Garcia

Expert on STT

Marisa Garcia

Marisa Garcia

Marisa knows planes inside and out, spending 16 years working on aircraft in hangars at airports around the world. She is an aviation industry expert, specialized in airline interiors and regulations. Ten years ago, she pivoted to journalism. She shares her insights in leading aviation, travel, and business publications and on her site FlightChic.

Read more
Harriet Baskas

Harriet Baskas

Expert on PHL

Harriet Baskas

Harriet Baskas

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Read more
Booking Insights

KAYAK's insights & trends for Philadelphia to Saint Thomas Island flights

Get data-powered insights and trends into flights from Philadelphia to Saint Thomas Island to help you find the cheapest flights, the best time to fly and much more.

What’s the cheapest day of the week to fly from Philadelphia to Saint Thomas Island?

The average price of all round-trip flights from Philadelphia to Saint Thomas Island clicked on KAYAK for each day over the last 12 months.

For Philadelphia to Saint Thomas Island, Sunday is the cheapest day to fly on average and Saturday is the most expensive. Flying from Saint Thomas Island back to Philadelphia, the best deals are generally found on Friday, with Saturday being the most expensive.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Philadelphia to Saint Thomas Island, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Philadelphia to Saint Thomas Island is September, where tickets cost $509 (return) on average. On the other hand, the most expensive months are December and February, where the average cost of round-trip tickets is $658 and $632 respectively.

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

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Philadelphia to Saint Thomas Island, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Philadelphia to Saint Thomas Island, you should book around 2 weeks before departure, which saves you about 20% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 11 weeks before departure.

Good to know

Low seasonSeptember
Cheapest flight$128
Best time to beat the crowds with an average 13% drop in price.
Most popular time to fly with an average 8% increase in price.
Flight from Philadelphia to Saint Thomas Island

When to book flights from Philadelphia to Saint Thomas Island

Are your dates flexible? Find out the best times to travel from Philadelphia to Saint Thomas Island based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Philadelphia to Saint Thomas Island

  • What transit options are available from Cyril E. King Airport (STT) to the city center?

    The VITRAN public bus system operates from STT to various destinations on the island. Bus route 10 goes to the city center and typically takes around 15-20 minutes. Taxis are also readily available outside the airport terminal. The duration of the journey to the city center is approximately 10-15 minutes, depending on traffic conditions.

  • What is the luggage allowance on flights from Philadelphia to Saint Thomas Island with United Airlines?

    For passengers traveling on a Basic Economy fare, only one personal item is allowed on board, and it must fit under the seat in front of you. No carry-on luggage is permitted with this ticket type. For passengers traveling on a standard economy fare, one personal item and one carry-on item are allowed on board.

  • What seat selection options are available on flights from Philadelphia to Saint Thomas Island with American Airlines?

    American Airlines offers a variety of seat selection options on their flights from Philadelphia to Saint Thomas Island. In Basic Economy, you will not be able to select a seat in advance but in Main Cabin, you will be allowed to select a seat when you book your flight or at any time up until check-in. Passengers also have the option to choose preferred seats that offer additional legroom for an additional fee.

  • Which nearby cities are served by Cyril E. King Airport (STT)?

    Cyril E. King Airport (STT) is located on the island of St. Thomas in the United States Virgin Islands. It serves several nearby cities in addition to Saint Thomas Island. These cities include Charlotte Amalie, Red Hook, Smith Bay, Frenchtown, Cruz Bay, Road Town, and East End.

  • How many flights are there between Philadelphia and Saint Thomas Island per day?

    There is a maximum of 1 nonstop flight a day that takes off from Philadelphia and lands in Saint Thomas Island, with an average flight time of 3h 50m. The most common departure time is 9:00 am and most flights take off in the morning. Each week, there are 1 flights.

  • What is the cheapest flight from Philadelphia to Saint Thomas Island?

    In the last 3 days, the lowest price for a flight from Philadelphia to Saint Thomas Island was $128 for a one-way ticket and $259 for a round-trip.

  • Do I need a passport to fly between Philadelphia and Saint Thomas Island?

    Yes

  • Which airports will I be using when flying from Philadelphia to Saint Thomas Island?

    Philadelphia and Saint Thomas Island are both served by 1 main airport. You will leave Philadelphia from Philadelphia and will be arriving at Saint Thomas Island Cyril E King.

  • Which airlines offer Wi-Fi service onboard planes from Philadelphia to Saint Thomas Island?

    American Airlines, Delta, and JetBlue offer inflight Wi-Fi service on the Philadelphia to Saint Thomas Island flight route.

  • Which aircraft models fly most regularly from Philadelphia to Saint Thomas Island?

    The Airbus A319 is the aircraft model that flies most regularly on the Philadelphia to Saint Thomas Island flight route.

  • Which airline alliances offer flights from Philadelphia to Saint Thomas Island?

    oneworld is the only airline alliance operating flights between Philadelphia and Saint Thomas Island.

  • On which days can I fly direct from Philadelphia to Saint Thomas Island?

    You can catch a nonstop flight from Philadelphia to Saint Thomas Island on on Saturday.

  • Which is the best airline for flights from Philadelphia to Saint Thomas Island, Delta or United Airlines?

    The two airlines most popular with KAYAK users for flights from Philadelphia to Saint Thomas Island are Delta and United Airlines. With an average price for the route of $782 and an overall rating of 7.9, Delta is the most popular choice. United Airlines is also a great choice for the route, with an average price of $707 and an overall rating of 7.4.

  • How does KAYAK find such low prices on flights from Philadelphia to Saint Thomas Island?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Philadelphia to Saint Thomas Island.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Philadelphia to Saint Thomas Island?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Saint Thomas Island from Philadelphia is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Philadelphia to Saint Thomas Island?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Saint Thomas Island with an airline and back to Philadelphia with another airline. Booking your flights between Philadelphia and STT can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Philadelphia to Saint Thomas Island?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Saint Thomas Island from Philadelphia up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from Philadelphia to Saint Thomas Island

  • Looking for a cheap flight? 25% of our users found flights on this route for $348 or less one-way and $730 or less round-trip.
  • Passengers can bring pets on Frontier flights from Philadelphia (PHL) to Saint Thomas Island (STT). Only small pets are allowed and there is a fee to bring your pet onboard. You will also need to make a reservation for your pet in advance, as there are restrictions on the number of pets allowed on each flight.
  • Delta, United, and American Airlines allow strollers and infant seats to be gate-checked free of charge for flights from Philadelphia (PHL) to Saint Thomas Island (STT). These airlines also offer an unaccompanied minor service for children ages 5 to 14 years old.
  • Flights from Philadelphia (PHL) to Saint Thomas Island (STT) generally involve stops which can be in various cities, depending on the airline chosen. Some common layovers for these flights include Newark (EWR), Orlando (MCO), Fort Lauderdale (FLL), San Juan Luiz (SJU), and Tampa (TPA).
  • Spirit Airlines provides services for people with reduced mobility, including wheelchair assistance at the airport and boarding the aircraft for flights from Philadelphia to Saint Thomas Island. Passengers who require assistance can request it when booking their flight or by calling Spirit Airlines' Special Services department at least 48 hours before their flight.
  • Delta offers several fare classes for flights from Philadelphia to Saint Thomas Island, and each fare class has a different upgrade eligibility for seat upgrades. Upgrades for Main Cabin passengers are based on availability and are available only through Delta's upgrade bidding program called “Delta Upgrade with Miles.” If you have enough Delta SkyMiles, you can use them to bid for upgrades to the premium cabin.

Prefer to fly direct from Philadelphia to Saint Thomas Island?

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from Philadelphia to Saint Thomas Island Cyril E King.
Find which airlines fly direct from Philadelphia Airport to Saint Thomas Island Cyril E King Airport, which days they fly and book direct flights.

Direct departures

Philadelphia to Saint Thomas Island Cyril E King

Saturday

American Airlines

American Airlines

See more direct flights

Direct returns

Saint Thomas Island Cyril E King to Philadelphia

Saturday

American Airlines

American Airlines

See more direct flights

Reviews of the top 5 airlines serving from Philadelphia to Saint Thomas Island

 
See real verified KAYAK customer reviews for airlines flying from Philadelphia to Saint Thomas Island. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Philadelphia to Saint Thomas Island? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.9
DeltaOverall score based on 7954 reviews
7.9Comfort
7.9Entertainment
7.3Food
8.5Crew
8.2Boarding
Airline reviews

Perfect flight both ways. On time, courteous staff, plane comfortable and cool. Best domestic flights I’ve had in awhile.

10.0 ExcellentAnonymous, Sep 2025CLT - BOS
Read more Delta reviews

Perfect flight both ways. On time, courteous staff, plane comfortable and cool. Best domestic flights I’ve had in awhile.

The food was terrible especially for a 15 hour international flight. The crew was unpleasant as well.

Really low quality food especially for an international flight. The crew also was surprisingly unpleasant except couple of ladies. I know we were not in first class but that’s no reason to treat customers as less.

Flight delayed for two and half hours and then canceled altogether due to mechanical issues. No mechanic onsite to fix so had to send one from LAX.

Quick check in. Everything went smooth. I don't know what can be done about airline food.

Crew was good. The reservation got mixed up and they didn't have my TSA number. I am also a Silver Medallion and wasn't able to use Sky Priority.

Delta made it easy, comfortable and timely. The crew was fantastic.

This route with Delta always has delays or is cancelled. Aircrafts seem smaller and older. I fly Delta quite a bit - haven’t had issues with the international flights. But this route has always been the troublesome one

Nothing special. The crew never went out of their way for anything.

Three seats in first class were broken and while they were able to still acommodate us it was looking very touch and go and they had others they could not acommodate

We had to deboard 2 times due to maintenance issues. They changed the plane, and then we got deviated to LAX due to maibtenance issues on the other plane, had to sleep at LAX and los a full day.

Everything was good, except the seats in economy were so close together, you could barely get out when the seat in front of your was reclined. If the airlines keep jamming in more and more seats, it will become intolerable. I will look for another airline that considers customer comfort and does not keep adding more rows of seats for more profit.

The newer screen was super cool and had the option to watch many different shows or movies. Crew was polite and helpful. However again, many children screaming bloody murder and kicking my seat, and parents doing nothing about it as usual.

Flight was good and crew was super polite. However, there were around 5 kids screaming the WHOLE 2 hours. I understand kids have to come but parents need to do something to control their children. They make the experience terrible, especially after finishing 16 hour shifts at the hospital I needed some sleep, which I did not get.

IAD with the archaic people movers is just a place to be avoided.

Great service on board. Boarding a bit slow due to process. Food was pretty average.

Tastless food and too obvious lack of enthusiasm for service in the economy vesus business class

All of the United employees I interacted with were professional and courteous. The aircraft was clean, the food on the flight was good. No complaints here.

I had no checked baggage but was required to hand over carry on baggage at the door of the plane. There was a lot of overboard space in the plane and I was one of the last ones. I ran to get my carry on but it was gone. I was given back at the plane door in Toronto, so the wait was not as long as it would have been at the carousel.

Armrest controller on my seat 35D and nextbooennseat 35E did not work right. Hard to press buttons to recognize and 35D had constantnpressure either upmost down somit was nearly impossible to make selections. .

Flight was delayed not sure why no explanation given and no apologies either. Otherwise the flight was fine

Did not get the seat I selected and paid for.

The flight was canceled 3 hours after original take off time

Plane was delayed for 6 hours, at first by weather, which is understandable, but was further delayed with NO given reason for 2 1/2 hours more. We had no clue when we were going to depart actually until they opened the ramp. VERY POOR to ZERO COMMUNICATION!!!

Flight was delayed and after being in the airport for like seven hours, it was canceled.

Flight delays numerous times. Everytime we would get close to boarding it would be delayed again. Strung along the entire time.

Overall very good, only complaint I have is the crew from CLT to SAT could have collected trash sooner.

Above and beyond effort from this crew in a tough situation. So helpful and understanding. Thank you!

We started with trouble checking in 24 hours early. Then my husband did not get his TSA precheck. Finally flight delayed due to no crew. I know things happen

Most miserable flight ever. We waited almost 2 hours on the runway because the flight was oversold. American offered $1200 credit. Then there was some nonsense about weight distribution. Ridiculous. No food for 8 plus hours on the flight. I will be writing a letter.

Everything was fine. I'm average height and I pack light. I'm ready for my Spirit flight.

Changing the flight time to 6:15 am on the return flight is extremely inconvenient. The flight was okay. It was on time. The crew was friendly. The seats were uncomfortable. All the upsells are annoying, and I would prefer paying a single higher fee and not have to purchase so much extra.

Spirit Airlines was ok but TRAVELHELPDESK, the 3rd party travel agent IS A JOKE! VERY RUDE CUSTOMER AGENTS ont he phone. NO HELP AT ALL. But the airlines was ok.

No Tumberlence smooth flight. Try to change the menu on Snacks.

Cancelled my flight last minute and did not help me rebook. It was a horrible experience.

No frills - because you get what you pay for. The crew was amazing!! I had plenty of room to spread out because the flight was half full. Which made it easy to sleep.

The terminal crew is so rude cabin crew is extremely rude flight is very good

Spirit is low fare air line. Food also cost you. No free food.

The flight was delayed twice with minimal explanation. The terminal and airplane were filthy. The food voucher didn’t even cover a tiny pizza from a kiosk in the terminal. All in all, a pretty miserable experience for a flight to attend a funeral

I will use spirit more New clean aircraft Excellent crew ! Quick boarding process !

Seats were new and comfortable. Staff was fine. Missed my connection due to weather -which wasn’t their fault- but got no help at all. Gate staff sent me to customer service, which was and stayed unstaffed. Sign with QR code directed me to call or chat. Chat was useless. Call was returned after an hour. No itinerary offered by Frontier could get me home in less than 30 hours. Rebooked with another airline and got a partial refund that came to about 10 percent of what I paid to get home.

Finally a Frontier on time and efficient. I've had problems before with your airline, but this time everything went fine.

The experience was good. No frills but I got there safe and sound and on time.

Great for the price. No wifi or entertainment, but gate agents and crew were fantastic and we boarded quickly and left on time.

sluggish boarding and arrival procedures, fake nice flight attendants, and lots of delays.

Disaster. They lied every step of the way. We ended up being delayed due to crew and then allegedly abandoned the flight because of a curfew at LGA. No rebooking to LGA at any reasonable time. No hotel. No meal vouchers. Had to sleep in the airport and fly to Newark instead. Will never fly Frontier again.

What I expected, nickeled and dined and a frontier flight attendant loudly complained about her job and lack of communication as she headed to the gate on her cell phone. Not professional.

As every law enforcement agency I could imagine surrounded the plane and we didn’t disembark for 2 hours and then had to stick around for another hour to go get our personal belongings after leaving them behind and being bused away from the plane, it was scary and inconvenient. We were given no information as to why this was happening. Lack of communication with passengers was disappointing.

After boarding and un-boarding twice over 6+hours, the flight was canceled.

Severe turbulence. Captain never came on to reassure passengers after things settled down.

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

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