PHL - STT

$219 Find Cheap Flights from Philadelphia to Saint Thomas Island - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$428
Typical prices: $533-$905
JetBlue
Mon 9/24Fri 9/28
PHL - STT • 1 stop
Cheapest non-stop
$631
Typical prices: $713-$995
American Airlines
Sun 2/4Sun 2/11
PHL - STT • Non-stop
Nonstop flights
There are currently no direct flights between Philadelphia and Saint Thomas Island. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to book
in advance
Our data shows that travelers who book at least 3 weeks in advance save around 24% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 21% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $314 (round-trip)
Shortest trip • 6h 33m (one-way)
Insights
Insights
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We hope you love your trip to Saint Thomas Island!
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Expert advice
Flight Deals

Cheap Flights from Philadelphia to Saint Thomas Island (PHL-STT)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

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

Thu, Sep 24 - Mon, Sep 28
JetBlue Logo
11:53 am - 2:01 pmPHL  Philadelphia-STT Saint Thomas Island Cyril E King
26h 08m1 stop San Juan Luis Munoz Marin Intl
JetBlue Logo
3:00 pm - 11:03 amSTT  Saint Thomas Island Cyril E King-PHL Philadelphia
20h 03m1 stop San Juan Luis Munoz Marin Intl
$428JetBlue
Fri, Sep 25 - Mon, Sep 28
JetBlue Logo
11:53 am - 2:01 pmPHL  Philadelphia-STT Saint Thomas Island Cyril E King
26h 08m1 stop San Juan Luis Munoz Marin Intl
JetBlue Logo
3:00 pm - 11:03 amSTT  Saint Thomas Island Cyril E King-PHL Philadelphia
20h 03m1 stop San Juan Luis Munoz Marin Intl
$453JetBlue
Mon, Nov 16 - Fri, Nov 20
Southwest Logo
6:25 am - 2:35 pmPHL  Philadelphia-STT Saint Thomas Island Cyril E King
7h 10m1 stop Orlando
Southwest Logo
3:45 pm - 9:30 amSTT  Saint Thomas Island Cyril E King-PHL Philadelphia
18h 45m2 stops Baltimore/Washington Orlando
$488Southwest
Thu, Oct 22 - Mon, Nov 2
Southwest Logo
5:15 pm - 2:00 pmPHL  Philadelphia-STT Saint Thomas Island Cyril E King
20h 45m2 stops Denver Intl Orlando
Southwest Logo
2:40 pm - 11:05 pmSTT  Saint Thomas Island Cyril E King-PHL Philadelphia
9h 25m1 stop Orlando
$551Southwest
Mon, Jan 25 - Tue, Feb 2
American Airlines Logo
8:39 am - 1:46 pmPHL  Philadelphia-STT Saint Thomas Island Cyril E King
4h 07mnonstop
American Airlines Logo
2:26 pm - 5:42 pmSTT  Saint Thomas Island Cyril E King-PHL Philadelphia
4h 16mnonstop
$631American Airlines
Thu, Feb 4 - Thu, Feb 11
American Airlines Logo
8:39 am - 1:46 pmPHL  Philadelphia-STT Saint Thomas Island Cyril E King
4h 07mnonstop
American Airlines Logo
3:13 pm - 6:31 pmSTT  Saint Thomas Island Cyril E King-PHL Philadelphia
4h 18mnonstop
$631American Airlines
Mon, Feb 1 - Fri, Feb 5
United Airlines Logo
6:10 am - 4:18 pmPHL  Philadelphia-STT Saint Thomas Island Cyril E King
9h 08m1 stop Chicago O'Hare Intl
United Airlines Logo
1:02 pm - 11:13 pmSTT  Saint Thomas Island Cyril E King-PHL Philadelphia
11h 11m2 stops Washington, D.C. Dulles Intl Chicago O'Hare Intl
$650United Airlines
Mon, Nov 30 - Fri, Dec 4
United Airlines Logo
6:00 am - 1:56 pmPHL  Philadelphia-STT Saint Thomas Island Cyril E King
6h 56m1 stop Washington, D.C. Dulles Intl
United Airlines Logo
1:02 pm - 11:13 pmSTT  Saint Thomas Island Cyril E King-PHL Philadelphia
11h 11m2 stops Washington, D.C. Dulles Intl Chicago O'Hare Intl
$650United Airlines
Sun, Jan 17 - Wed, Jan 20
Delta Logo
5:30 am - 4:15 pmPHL  Philadelphia-STT Saint Thomas Island Cyril E King
9h 45m1 stop Atlanta Hartsfield-Jackson
Delta Logo
4:15 pm - 12:51 amSTT  Saint Thomas Island Cyril E King-PHL Philadelphia
9h 36m1 stop Atlanta Hartsfield-Jackson
$650Delta
Sun, Jan 10 - Thu, Jan 14
Delta Logo
5:30 am - 4:15 pmPHL  Philadelphia-STT Saint Thomas Island Cyril E King
9h 45m1 stop Atlanta Hartsfield-Jackson
Delta Logo
1:50 pm - 10:56 pmSTT  Saint Thomas Island Cyril E King-PHL Philadelphia
10h 06m1 stop Atlanta Hartsfield-Jackson
$650Delta
Booking Insights

Price, demand and travel trends for Philadelphia to Saint Thomas Island flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Philadelphia to Saint Thomas Island with more confidence.

How much is a round-trip flight from Philadelphia to Saint Thomas Island?

Round-trip flights from Philadelphia to Saint Thomas Island start at $428. Prices are below average for this route right now, with typical round-trip fares ranging from $533 to $905. The lowest price found in the past 5 days was $428 on JetBlue.

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

Monday is the cheapest day of the week to fly from Philadelphia to Saint Thomas Island, it is 10% cheaper than the average day. Saturday is the most expensive day with flight prices 15% higher than average. Based on deals found by KAYAK users in the last 12 months.

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

  • February is the cheapest month to fly from Philadelphia to Saint Thomas Island at $570 round-trip.
  • July ($905) and May ($851) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 58% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from Philadelphia to Saint Thomas Island the cheapest?

Flights from Philadelphia to Saint Thomas Island are cheapest 3 weeks before departure. Booking in this window typically costs about 24% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Expert advice

Expert advice for your flight from Philadelphia to Saint Thomas Island

 
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Marisa Garcia

Marisa Garcia

Expert on STT

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.

Harriet Baskas

Harriet Baskas

Expert on PHL

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.

Key details for Philadelphia to Saint Thomas Island flights

Low season

September

Cheapest flight

$219
Best time to beat the crowds with an average 1% drop in price.
Most popular time to fly and prices are also 3% lower on average.
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

Your Philadelphia to Saint Thomas Island flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • 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.

  • Which airlines offer extra legroom and free seat selection on Philadelphia to Saint Thomas Island flights?

    Among airlines operating Philadelphia to Saint Thomas Island flights:

    • American Airlines: offers extra legroom; offers free seat selection

    Extra legroom and free seat selection availability depends on fare class and route.

  • What airlines are available from Philadelphia to Saint Thomas Island?

    Only American Airlines operates flights between Philadelphia and Saint Thomas Island.

  • Which airports can I use when flying from Philadelphia to Saint Thomas Island?

    Flights from Philadelphia to Saint Thomas Island usually depart from Philadelphia (PHL) and arrive at Saint Thomas Island Cyril E King (STT).

  • Which airlines include bags at no extra cost on Philadelphia to Saint Thomas Island flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • American Airlines: a cabin bag and a checked bag in Economy Class

    Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.

  • What cabin classes can I book on flights from Philadelphia to Saint Thomas Island?

    Two cabin classes are available on flights from Philadelphia to Saint Thomas Island:

    • Economy Class
    • Business Class

  • How much can I save by taking a layover when flying from Philadelphia to Saint Thomas Island?

    On this route, layover flights are cheaper than nonstop options on average. Layover fares average $314 round-trip via Philadelphia (PHL), compared to $852 for nonstop.

  • What is the standard checked-bag allowance on flights from Philadelphia to Saint Thomas Island?

    There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $50–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

  • Which aircraft model is used most often on flights from Philadelphia to Saint Thomas Island?

    The Airbus A319 family is used most often on this route, operated mainly by American Airlines. Other aircraft seen on the route include Airbus A320-100/200 variants.

  • Which airports do connecting flights from Philadelphia to Saint Thomas Island pass through?

    One-stop flights from Philadelphia to Saint Thomas Island most commonly connect through:

    • Miami (MIA) - 31% of one-stop connections
    • Fort Lauderdale (FLL) - 27% of one-stop connections
    • Orlando (MCO) - 20% of one-stop connections
    • Washington, D.C. Dulles Intl (IAD) - 9% of one-stop connections

    Miami (MIA) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from Philadelphia to Saint Thomas Island?

    Yes. Being flexible with your travel dates can save you up to 22% on the Philadelphia to Saint Thomas Island route. Monday is the cheapest departure day at $651 round-trip on average, while Saturday is the most expensive at $834, a difference of $183. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What popular places can I visit in Saint Thomas Island?

    Some of the most popular sights in Saint Thomas Island are Sapphire Beach, Magens Bay and Coki Beach. These are among the most viewed places in Saint Thomas Island on KAYAK.

  • How long is a flight from Philadelphia to Saint Thomas Island?

    A nonstop flight from Philadelphia to Saint Thomas Island takes 4h 05m, covering 1,608 miles.

  • What are the earliest and latest flights from Philadelphia to Saint Thomas Island?

    These are the earliest and latest flight times available from Philadelphia to Saint Thomas Island:

    • Earliest: departs at 9:36 am and lands at 1:41 pm
    • Latest: departs at 9:45 am and lands at 1:50 pm.

    The flight takes about 4h 05m.

  • How expensive are last-minute Philadelphia to Saint Thomas Island flights?

    Last-minute fares on this route - booked within 2 weeks of departure - run 9% above the route average of $720. Book 3 weeks before departure for the lowest fares.

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

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • Have flight prices from Philadelphia to Saint Thomas Island changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $428 to $4,221. That means the highest observed fare was about 10x higher than the lowest one.

  • How are flight prices from Philadelphia to Saint Thomas Island looking right now?

    One-way fares from Philadelphia to Saint Thomas Island are currently lower than usual. Average one-way flight prices are about $321, which is 21% below the typical average for this route.

  • How much time can I save by choosing a different layover airport from Philadelphia to Saint Thomas Island?

    Flying via Washington, D.C. Dulles Intl (IAD) gives the shortest average 1-stop total travel time at 6h 33m, compared with 6h 44m via Charlotte Douglas (CLT) and 7h 30m via Miami (MIA).

  • What car rental options are available at Saint Thomas Island Cyril E King Airport (STT)?

    Saint Thomas Island Cyril E King Airport (STT) hosts 5 major car rental companies, with daily rates starting from around $19 for economy cars. Top options include:
    · Budget
    · Thrifty
    · Dollar
    · Alamo
    · Hertz

  • How much should I expect to pay for a Philadelphia to Saint Thomas Island flight?

    Round-trip flights from Philadelphia to Saint Thomas Island range from $533 to $905, with an average of $720 over the past 12 months. Anything below $533 counts as a good deal.

  • Which airlines offer Wi-Fi on Philadelphia to Saint Thomas Island flights?

    American Airlines is the only airline on the Philadelphia to Saint Thomas Island route offering in-flight Wi-Fi. Pricing depends on fare class.

Your guide to booking Philadelphia to Saint Thomas Island flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Monday departure instead of Saturday. On this route, Monday flights average $651 - about $183 less than Saturday (22% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 3 weeks before you fly. On this route, that window historically saves about 24% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Philadelphia to Saint Thomas Island trip for February. Fares historically average $570 round-trip in that month - typically $335 less than the most expensive month, which is July (based on the last 12 months).
  • If you have the time, taking a 1-stop flight through Philadelphia Airport (PHL) can be cheaper than flying direct. The cheapest layover option averages $314 round-trip on this route - about $538 less than direct flights (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Saint Thomas Island Cyril E King Airport.
    - Starz Hotel
    - Sunset Gardens Guesthouse
    - Island View Guesthouse
  • 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.

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

Information on your arrival and departure airports