$200+ 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 8/28. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — STT
Aug 31 — Sep 71
Round-trip
1 adult, Economy
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Find cheap flights from Philadelphia to Saint Thomas Island with Cheapflights
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Philadelphia to Saint Thomas Island Cyril E King are usually found in November or February, booked 12 days in advance, depart on a Sunday or Monday and return on a Monday
Cheap flight deals from Philadelphia to Saint Thomas Island
Cheapest
Best
Last-minute
One-way
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 August 1, 2026.
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 August 1, 2026.
This Orbitz deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/76:00 am
PHL
- STT
2 stops8h 55m
JetBlue
Wed 9/163:00 pm
STT
- PHL
2 stops8h 07m
JetBlue
Deal found 7/28![JetBlue logo]()
$480
This Justfly.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1511:53 am
PHL
- STT
1 stop26h 08m
JetBlue
Sat 9/193:00 pm
STT
- PHL
1 stop20h 03m
JetBlue
Deal found 7/29![JetBlue logo]()
$484
This FlightHub deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/118:15 am
PHL
- STT
2 stops31h 29m
JetBlue
Mon 11/165:40 pm
STT
- PHL
1 stop18h 11m
JetBlue
Deal found 7/27![JetBlue logo]()
$496
This Justfly.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2611:53 am
PHL
- STT
1 stop26h 08m
JetBlue
Sat 10/33:00 pm
STT
- PHL
1 stop20h 03m
JetBlue
Deal found 7/30![JetBlue logo]()
$498
This FlightHub deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/296:00 am
PHL
- STT
2 stops8h 57m
JetBlue
Tue 9/13:45 pm
STT
- PHL
2 stops24h 21m
JetBlue
Deal found 7/28![JetBlue logo]()
$499
This FlightHub deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2812:57 pm
PHL
- STT
1 stop26h 00m
JetBlue
Sat 9/52:05 pm
STT
- PHL
2 stops18h 17m
JetBlue
Deal found 7/28![JetBlue logo]()
$503
This Justfly.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2412:00 pm
PHL
- STT
1 stop27h 45m
JetBlue
Mon 10/264:40 pm
STT
- PHL
1 stop18h 12m
JetBlue
Deal found 7/29![JetBlue logo]()
$504
This FlightHub deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2412:38 pm
PHL
- STT
1 stop26h 17m
JetBlue
Fri 8/282:49 pm
STT
- PHL
2 stops17h 19m
JetBlue
Deal found 7/29![JetBlue logo]()
$507
This Justfly.com deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2612:57 pm
PHL
- STT
1 stop25h 58m
JetBlue
Sun 8/303:45 pm
STT
- PHL
1 stop20h 01m
JetBlue
Deal found 7/27![JetBlue logo]()
$510
This Justfly.com deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/812:00 pm
PHL
- STT
1 stop27h 54m
JetBlue
Thu 10/154:54 pm
STT
- PHL
1 stop18h 11m
JetBlue
Deal found 7/28![JetBlue logo]()
$512
Best flights from Philadelphia to Saint Thomas IslandDiscover 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 August 1, 2026.
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 August 1, 2026.
This Southwest deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/127:05 am
PHL
- STT
1 stop6h 15m
Southwest
Sat 9/192:05 pm
STT
- PHL
1 stop7h 25m
Southwest
Deal found 7/29![Southwest logo]()
$580
This Delta deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/255:30 am
PHL
- STT
1 stop8h 35m
Delta
Tue 2/21:50 pm
STT
- PHL
1 stop10h 06m
Delta
Deal found 7/30![Delta logo]()
$640
This United Airlines deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/236:10 am
PHL
- STT
1 stop9h 08m
United Airlines
Mon 2/11:02 pm
STT
- PHL
2 stops11h 11m
United Airlines
Deal found 7/28![United Airlines logo]()
$734
This United Airlines deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/307:40 pm
PHL
- STT
2 stops19h 40m
United Airlines
Sat 11/73:00 pm
STT
- PHL
1 stop8h 57m
United Airlines
Deal found 7/29![United Airlines logo]()
$790
This Delta deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/15:30 am
PHL
- STT
1 stop9h 55m
Delta
Tue 1/54:15 pm
STT
- PHL
1 stop7h 41m
Delta
Deal found 7/31![Delta logo]()
$886
This United Airlines deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/310:30 am
PHL
- STT
1 stop6h 20m
United Airlines
Fri 1/81:02 pm
STT
- PHL
2 stops11h 11m
United Airlines
Deal found 7/29![United Airlines logo]()
$835
This United Airlines deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/16:00 am
PHL
- STT
1 stop6h 56m
United Airlines
Fri 11/61:07 pm
STT
- PHL
2 stops11h 02m
United Airlines
Deal found 7/28![United Airlines logo]()
$857
This United Airlines deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/46:26 am
PHL
- STT
2 stops10h 24m
United Airlines
Mon 1/111:02 pm
STT
- PHL
2 stops11h 11m
United Airlines
Deal found 7/27![United Airlines logo]()
$940
This United Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/58:00 pm
PHL
- STT
2 stops19h 18m
United Airlines
Sat 12/125:25 pm
STT
- PHL
2 stops21h 57m
United Airlines
Deal found 7/30![United Airlines logo]()
$965
This United Airlines deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/258:00 pm
PHL
- STT
2 stops15h 00m
United Airlines
Tue 2/23:05 pm
STT
- PHL
2 stops19h 19m
United Airlines
Deal found 7/28![United Airlines logo]()
$986
Last-minute flights from Philadelphia to Saint Thomas IslandDiscover last-minute flight deals from Philadelphia to Saint Thomas Island. Data last updated August 1, 2026 and is based on user searches.
Discover last-minute flight deals from Philadelphia to Saint Thomas Island. Data last updated August 1, 2026 and is based on user searches.
This FlightHub deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2412:38 pm
PHL
- STT
1 stop26h 17m
JetBlue
Fri 8/282:49 pm
STT
- PHL
2 stops17h 19m
JetBlue
Deal found 7/29![JetBlue logo]()
$507
This Priceline deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2612:57 pm
PHL
- STT
1 stop25h 58m
JetBlue
Wed 9/23:45 pm
STT
- PHL
1 stop20h 01m
JetBlue
Deal found 7/27![JetBlue logo]()
$480
This Justfly.com deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2612:57 pm
PHL
- STT
1 stop25h 58m
JetBlue
Sun 8/303:45 pm
STT
- PHL
1 stop20h 01m
JetBlue
Deal found 7/27![JetBlue logo]()
$510
This FlightHub deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2812:57 pm
PHL
- STT
1 stop26h 00m
JetBlue
Tue 9/13:45 pm
STT
- PHL
2 stops24h 21m
JetBlue
Deal found 7/28![JetBlue logo]()
$496
This CheapOair deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2812:57 pm
PHL
- STT
1 stop26h 00m
JetBlue
Sat 9/53:48 pm
STT
- PHL
1 stop19h 58m
JetBlue
Deal found 7/31![JetBlue logo]()
$498
This FlightHub deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/296:00 am
PHL
- STT
2 stops8h 57m
JetBlue
Tue 9/13:45 pm
STT
- PHL
2 stops24h 21m
JetBlue
Deal found 7/28![JetBlue logo]()
$499
One-way flights from Philadelphia to Saint Thomas IslandSearch for one-way flight options from Philadelphia to Saint Thomas Island. Find affordable one-way fares based on user searches. Data last updated August 1, 2026.
Search for one-way flight options from Philadelphia to Saint Thomas Island. Find affordable one-way fares based on user searches. Data last updated August 1, 2026.
This Southwest deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/284:05 pm
PHL
- STT
2 stops21h 15m
Southwest
Deal found 7/29![Southwest logo]()
$200
This Southwest deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/297:05 am
PHL
- STT
1 stop6h 15m
Southwest
Deal found 7/29![Southwest logo]()
$209
This Southwest deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/308:50 pm
PHL
- STT
2 stops17h 00m
Southwest
Deal found 7/31![Southwest logo]()
$230
This Southwest deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/235:45 am
PHL
- STT
1 stop7h 40m
Southwest
Deal found 7/27![Southwest logo]()
$250
This Priceline deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2911:53 am
PHL
- STT
1 stop26h 08m
JetBlue
Deal found 7/30![JetBlue logo]()
$253
This Justfly.com deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2612:57 pm
PHL
- STT
1 stop25h 58m
JetBlue
Deal found 7/28![JetBlue logo]()
$254
This Southwest deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/222:10 pm
PHL
- STT
2 stops23h 15m
Southwest
Deal found 7/27![Southwest logo]()
$256
This Justfly.com deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/278:55 pm
PHL
- STT
1 stop17h 04m
JetBlue
Deal found 7/27![JetBlue logo]()
$259
This FlightHub deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/296:00 am
PHL
- STT
2 stops8h 57m
JetBlue
Deal found 7/29![JetBlue logo]()
$260
This Southwest deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/274:05 pm
PHL
- STT
2 stops21h 45m
Southwest
Deal found 7/28![Southwest logo]()
$272
This Justfly.com deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2512:57 pm
PHL
- STT
1 stop25h 58m
JetBlue
Deal found 7/27![JetBlue logo]()
$273
Find flight deals from Philadelphia to Saint Thomas Island
Discover tips and strategies to find the most affordable flight options for your journey from Philadelphia (PHL) to Saint Thomas Island (STT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 1, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $480 (Orbitz) |
One-way from | $200 (Southwest) |
Popular in | December |
Cheapest in | November |
Average price | $655 |
Good round-trip deal | $695 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Philadelphia to Saint Thomas Island that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 1, 2026.
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
Cheapest round-trip
Quickest round-trip
PhiladelphiaSaint Thomas Island
PHL - STT
PHLSTT
Philadelphia
Sat 9/12
7:05 am-1:20 pm
1 stop6h 15m
Saint Thomas Island Cyril E King
Sat 9/19
2:05 pm-9:30 pm
1 stop7h 25m
$580
PhiladelphiaSaint Thomas Island
PHL - STT
PHLSTT
Philadelphia
Mon 1/25
5:30 am-3:05 pm
1 stop8h 35m
Saint Thomas Island Cyril E King
Tue 2/2
1:50 pm-10:56 pm
1 stop10h 06m
$640
PhiladelphiaSaint Thomas Island
PHL - STT
PHLSTT
Philadelphia
Sat 1/23
6:10 am-4:18 pm
1 stop9h 08m
Saint Thomas Island Cyril E King
Mon 2/1
1:02 pm-11:13 pm
2 stops11h 11m
$734
PhiladelphiaSaint Thomas Island
PHL - STT
PHLSTT
Philadelphia
Fri 10/30
7:40 pm-3:20 pm
2 stops19h 40m
Saint Thomas Island Cyril E King
Sat 11/7
3:00 pm-10:57 pm
1 stop8h 57m
$790
PhiladelphiaSaint Thomas Island
PHL - STT
PHLSTT
Philadelphia
Sun 1/3
10:30 am-5:50 pm
1 stop6h 20m
Saint Thomas Island Cyril E King
Fri 1/8
1:02 pm-11:13 pm
2 stops11h 11m
$835
PhiladelphiaSaint Thomas Island
PHL - STT
PHLSTT
Philadelphia
Sun 11/1
6:00 am-1:56 pm
1 stop6h 56m
Saint Thomas Island Cyril E King
Fri 11/6
1:07 pm-11:09 pm
2 stops11h 02m
$857
PhiladelphiaSaint Thomas Island
PHL - STT
PHLSTT
Philadelphia
Fri 1/1
5:30 am-4:25 pm
1 stop9h 55m
Saint Thomas Island Cyril E King
Tue 1/5
4:15 pm-10:56 pm
1 stop7h 41m
$886
PhiladelphiaSaint Thomas Island
PHL - STT
PHLSTT
Philadelphia
Mon 1/4
6:26 am-5:50 pm
2 stops10h 24m
Saint Thomas Island Cyril E King
Mon 1/11
1:02 pm-11:13 pm
2 stops11h 11m
$940
PhiladelphiaSaint Thomas Island
PHL - STT
PHLSTT
Philadelphia
Sat 12/5
8:00 pm-4:18 pm
2 stops19h 18m
Saint Thomas Island Cyril E King
Sat 12/12
5:25 pm-2:22 pm
2 stops21h 57m
$965
PhiladelphiaSaint Thomas Island
PHL - STT
PHLSTT
Philadelphia
Mon 1/25
8:00 pm-12:00 pm
2 stops15h 00m
Saint Thomas Island Cyril E King
Tue 2/2
3:05 pm-9:24 am
2 stops19h 19m
$986
Showing 1-10 of 22 resultsSorted by cheapest first
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 August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*1 star |
- 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.
PHL-STT
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.
Cheapflights Insights
Everything you need to know about your flight from Philadelphia to Saint Thomas Island
Prices
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 6 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, November is the cheapest month in which you can book a flight from Philadelphia to Saint Thomas Island (average of $515). Flying from Philadelphia to Saint Thomas Island in December is currently the most expensive (average of $864). 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?
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 August 1, 2026.
When flying from Philadelphia to Saint Thomas Island, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
What’s the top layover airport for flights from Philadelphia to Saint Thomas Island?
Share of 1-stop round-trip flights from Philadelphia to Saint Thomas Island chosen by Cheapflights users in the past 12 months, using the same layover each way.
Miami (MIA) – chosen by Cheapflights users on 50% of 1-stop itineraries from Philadelphia to Saint Thomas Island on Cheapflights.
What’s the cheapest layover airport for flights from Philadelphia to Saint Thomas Island?
Average round-trip fare for 1-stop flights from Philadelphia to Saint Thomas Island, chosen by Cheapflights users in the past 12 months, with the same layover each way.
San Juan (SJU) is the most affordable 1-stop option, with an average round-trip price of $398.
What’s the fastest layover option from Philadelphia to Saint Thomas Island?
Shortest average travel time for 1-stop one-way flights from Philadelphia to Saint Thomas Island, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Miami (MIA) have the shortest average one-way travel time for 1-stop routes: 7h 40m.
Which airport typically offers the quickest layover for flights from Philadelphia to Saint Thomas Island?
Average layover duration for 1-stop one-way flights from Philadelphia to Saint Thomas Island, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Miami (MIA) offer the fastest connection on this route, with an average layover time of 2h 30m.
Reviews of airlines servicing Saint Thomas Island
Get insights into the airlines that provide service to Saint Thomas Island. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Saint Thomas Island. Reviews last updated August 1, 2026.
Read through reviews of airlines operating flights from Philadelphia to Saint Thomas Island, such as Delta,United Airlines, andAmerican Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.5
Entertainment
7.8
Overall
7.8
Food
7.2
Comfort
7.8
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Entertainment
7.8
Overall
7.8
Food
7.2
Comfort
7.8
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Entertainment
7.8
Overall
7.8
Food
7.2
Comfort
7.8
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Entertainment
7.8
Overall
7.8
Food
7.2
Comfort
7.8
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Entertainment
7.8
Overall
7.8
Food
7.2
Comfort
7.8
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Entertainment
7.8
Overall
7.8
Food
7.2
Comfort
7.8
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
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.
Traveling to a place near Saint Thomas Island?
Book flights to Saint Thomas Island if you plan to visit one of these locationsSt. John
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Philadelphia and Saint Thomas Island flights
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Top 5 airlines flying from Philadelphia to Saint Thomas Island
Discover the top 5 airlines that operate flights from Philadelphia to Saint Thomas Island. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 1, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$221 | Average$227 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$284 | Average$539 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$580 | Average$815 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$604 | Average$825 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$670 | Average$832 | FlexibilityNo cancel fee | On-time69% |