$215+ 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 9/11. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — STT
Aug 16 — Aug 231
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 7 days in advance, depart on a Sunday or Wednesday and return on a Monday
Cheap flight deals from Philadelphia to Saint Thomas Island
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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 July 17, 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 July 17, 2026.
This FlightHub deal was found by Cheapflights users on 7/12. 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.
Tue 8/2512:57 pm
PHL
- STT
1 stop25h 58m
JetBlue
Fri 8/282:49 pm
STT
- PHL
2 stops17h 19m
JetBlue
Deal found 7/12![JetBlue logo]()
$414
This Priceline deal was found by Cheapflights users on 7/12. 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.
Thu 9/2412:00 pm
PHL
- STT
1 stop26h 41m
JetBlue
Mon 9/283:40 pm
STT
- PHL
1 stop19h 25m
JetBlue
Deal found 7/12![JetBlue logo]()
$422
This CheapOair deal was found by Cheapflights users on 7/12. 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.
Mon 8/2412:38 pm
PHL
- STT
1 stop26h 17m
JetBlue
Thu 8/273:45 pm
STT
- PHL
1 stop20h 01m
JetBlue
Deal found 7/12![JetBlue logo]()
$423
This Justfly.com deal was found by Cheapflights users on 7/12. 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 7/12![JetBlue logo]()
$437
This Priceline deal was found by Cheapflights users on 7/14. 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.
Mon 8/3112:38 pm
PHL
- STT
1 stop26h 17m
JetBlue
Thu 9/33:45 pm
STT
- PHL
1 stop20h 01m
JetBlue
Deal found 7/14![JetBlue logo]()
$438
This FlightHub deal was found by Cheapflights users on 7/14. 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 8/2612:57 pm
PHL
- STT
1 stop25h 58m
JetBlue
Tue 9/11:53 pm
STT
- PHL
2 stops18h 29m
JetBlue
Deal found 7/14![JetBlue logo]()
$442
This Justfly.com deal was found by Cheapflights users on 7/14. 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.
Mon 8/2412:38 pm
PHL
- STT
1 stop26h 17m
JetBlue
Mon 8/313:45 pm
STT
- PHL
1 stop20h 01m
JetBlue
Deal found 7/14![JetBlue logo]()
$443
This FlightHub deal was found by Cheapflights users on 7/14. 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.
Tue 8/2512:57 pm
PHL
- STT
1 stop25h 58m
JetBlue
Tue 9/82:58 pm
STT
- PHL
2 stops18h 52m
JetBlue
Deal found 7/14![JetBlue logo]()
$444
This FlightHub deal was found by Cheapflights users on 7/13. 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.
Thu 8/2712:38 pm
PHL
- STT
1 stop26h 31m
JetBlue
Tue 9/11:53 pm
STT
- PHL
2 stops18h 29m
JetBlue
Deal found 7/13![JetBlue logo]()
$446
This Justfly.com deal was found by Cheapflights users on 7/12. 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 8/2712:38 pm
PHL
- STT
1 stop26h 31m
JetBlue
Mon 8/313:45 pm
STT
- PHL
1 stop20h 01m
JetBlue
Deal found 7/12![JetBlue logo]()
$452
This Justfly.com deal was found by Cheapflights users on 7/12. 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 8/1912:57 pm
PHL
- STT
1 stop25h 58m
JetBlue
Wed 8/263:45 pm
STT
- PHL
1 stop20h 01m
JetBlue
Deal found 7/12![JetBlue logo]()
$458
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 July 17, 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 July 17, 2026.
This FlightHub deal was found by Cheapflights users on 7/12. 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 8/1512:38 pm
PHL
- STT
1 stop26h 17m
JetBlue
Fri 8/212:49 pm
STT
- PHL
2 stops17h 19m
JetBlue
Deal found 7/12![JetBlue logo]()
$563
This Delta deal was found by Cheapflights users on 7/12. 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.
Sun 1/106:35 am
PHL
- STT
1 stop7h 30m
Delta
Thu 1/141:50 pm
STT
- PHL
1 stop10h 06m
Delta
Deal found 7/12![Delta logo]()
$650
This United Airlines deal was found by Cheapflights users on 7/15. 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.
Thu 1/76:10 am
PHL
- STT
2 stops10h 40m
United Airlines
Mon 1/115:25 pm
STT
- PHL
2 stops18h 02m
United Airlines
Deal found 7/15![United Airlines logo]()
$910
This United deal was found by Cheapflights users on 7/16. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/199:55 am
PHL
- STT
2 stops20h 55m
Multiple Airlines
Mon 11/235:45 pm
STT
- PHL
2 stops21h 31m
Multiple Airlines
Deal found 7/16![Multiple Airlines logo]()
$1,098
This Delta deal was found by Cheapflights users on 7/16. 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.
Thu 12/245:30 am
PHL
- STT
1 stop9h 55m
Delta
Thu 12/311:50 pm
STT
- PHL
1 stop12h 01m
Delta
Deal found 7/16![Delta logo]()
$866
This United Airlines deal was found by Cheapflights users on 7/12. 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 7/12![United Airlines logo]()
$946
This Delta deal was found by Cheapflights users on 7/16. 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 12/255:30 am
PHL
- STT
1 stop9h 55m
Delta
Wed 12/303:05 pm
STT
- PHL
1 stop10h 46m
Delta
Deal found 7/16![Delta logo]()
$949
This United Airlines deal was found by Cheapflights users on 7/16. 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 1/108:00 pm
PHL
- STT
2 stops19h 18m
United Airlines
Thu 1/143:05 pm
STT
- PHL
2 stops23h 46m
United Airlines
Deal found 7/16![United Airlines logo]()
$955
This Delta deal was found by Cheapflights users on 7/16. 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 12/255:30 am
PHL
- STT
1 stop9h 55m
Delta
Thu 12/311:50 pm
STT
- PHL
1 stop12h 01m
Delta
Deal found 7/16![Delta logo]()
$949
This United Airlines deal was found by Cheapflights users on 7/15. 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.
Tue 11/36:00 am
PHL
- STT
1 stop6h 56m
United Airlines
Fri 11/61:07 pm
STT
- PHL
2 stops11h 06m
United Airlines
Deal found 7/15![United Airlines logo]()
$995
This United Airlines deal was found by Cheapflights users on 7/13. 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.
Wed 12/24:56 pm
PHL
- STT
2 stops20h 00m
United Airlines
Mon 12/72:15 pm
STT
- PHL
2 stops21h 12m
United Airlines
Deal found 7/13![United Airlines logo]()
$1,038
Last-minute flights from Philadelphia to Saint Thomas IslandDiscover last-minute flight deals from Philadelphia to Saint Thomas Island. Data last updated July 17, 2026 and is based on user searches.
Discover last-minute flight deals from Philadelphia to Saint Thomas Island. Data last updated July 17, 2026 and is based on user searches.
This FlightHub deal was found by Cheapflights users on 7/13. 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 8/1712:38 pm
PHL
- STT
1 stop26h 17m
JetBlue
Fri 8/212:49 pm
STT
- PHL
2 stops17h 19m
JetBlue
Deal found 7/13![JetBlue logo]()
$469
This Justfly.com deal was found by Cheapflights users on 7/12. 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 8/1912:57 pm
PHL
- STT
1 stop25h 58m
JetBlue
Wed 8/263:45 pm
STT
- PHL
1 stop20h 01m
JetBlue
Deal found 7/12![JetBlue logo]()
$458
This CheapOair deal was found by Cheapflights users on 7/12. 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.
Mon 8/2412:38 pm
PHL
- STT
1 stop26h 17m
JetBlue
Thu 8/273:45 pm
STT
- PHL
1 stop20h 01m
JetBlue
Deal found 7/12![JetBlue logo]()
$423
This Justfly.com deal was found by Cheapflights users on 7/14. 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.
Mon 8/2412:38 pm
PHL
- STT
1 stop26h 17m
JetBlue
Mon 8/313:45 pm
STT
- PHL
1 stop20h 01m
JetBlue
Deal found 7/14![JetBlue logo]()
$443
This FlightHub deal was found by Cheapflights users on 7/12. 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.
Tue 8/2512:57 pm
PHL
- STT
1 stop25h 58m
JetBlue
Fri 8/282:49 pm
STT
- PHL
2 stops17h 19m
JetBlue
Deal found 7/12![JetBlue logo]()
$414
This FlightHub deal was found by Cheapflights users on 7/14. 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.
Tue 8/2512:57 pm
PHL
- STT
1 stop25h 58m
JetBlue
Tue 9/82:58 pm
STT
- PHL
2 stops18h 52m
JetBlue
Deal found 7/14![JetBlue logo]()
$444
This CheapOair deal was found by Cheapflights users on 7/13. 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.
Wed 8/2612:57 pm
PHL
- STT
1 stop25h 58m
JetBlue
Sun 8/303:45 pm
STT
- PHL
1 stop20h 01m
JetBlue
Deal found 7/13![JetBlue logo]()
$437
This FlightHub deal was found by Cheapflights users on 7/14. 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 8/2612:57 pm
PHL
- STT
1 stop25h 58m
JetBlue
Tue 9/11:53 pm
STT
- PHL
2 stops18h 29m
JetBlue
Deal found 7/14![JetBlue logo]()
$442
This FlightHub deal was found by Cheapflights users on 7/13. 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.
Thu 8/2712:38 pm
PHL
- STT
1 stop26h 31m
JetBlue
Tue 9/11:53 pm
STT
- PHL
2 stops18h 29m
JetBlue
Deal found 7/13![JetBlue logo]()
$446
This Justfly.com deal was found by Cheapflights users on 7/12. 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 8/2712:38 pm
PHL
- STT
1 stop26h 31m
JetBlue
Mon 8/313:45 pm
STT
- PHL
1 stop20h 01m
JetBlue
Deal found 7/12![JetBlue logo]()
$452
This Priceline deal was found by Cheapflights users on 7/14. 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.
Mon 8/3112:38 pm
PHL
- STT
1 stop26h 17m
JetBlue
Thu 9/33:45 pm
STT
- PHL
1 stop20h 01m
JetBlue
Deal found 7/14![JetBlue logo]()
$438
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 July 17, 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 July 17, 2026.
This Southwest deal was found by Cheapflights users on 7/12. 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 9/114:05 pm
PHL
- STT
2 stops21h 15m
Southwest
Deal found 7/12![Southwest logo]()
$215
This Southwest deal was found by Cheapflights users on 7/15. 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.
Mon 9/147:10 am
PHL
- STT
1 stop6h 40m
Southwest
Deal found 7/15![Southwest logo]()
$219
This Southwest deal was found by Cheapflights users on 7/13. 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 9/66:00 pm
PHL
- STT
2 stops19h 50m
Southwest
Deal found 7/13![Southwest logo]()
$234
This Southwest deal was found by Cheapflights users on 7/13. 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 7/13![Southwest logo]()
$236
This Southwest deal was found by Cheapflights users on 7/15. 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 8/144:05 pm
PHL
- STT
2 stops21h 15m
Southwest
Deal found 7/15![Southwest logo]()
$240
This Priceline deal was found by Cheapflights users on 7/13. 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 8/1212:57 pm
PHL
- STT
1 stop25h 58m
JetBlue
Deal found 7/13![JetBlue logo]()
$247
This Southwest deal was found by Cheapflights users on 7/13. 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.
Mon 10/127:25 am
PHL
- STT
1 stop6h 35m
Southwest
Deal found 7/13![Southwest logo]()
$254
This Priceline deal was found by Cheapflights users on 7/16. 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 9/1512:00 pm
PHL
- STT
1 stop26h 41m
JetBlue
Deal found 7/16![JetBlue logo]()
$259
This Justfly.com deal was found by Cheapflights users on 7/15. 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 8/1312:38 pm
PHL
- STT
1 stop26h 31m
JetBlue
Deal found 7/15![JetBlue logo]()
$262
This Priceline deal was found by Cheapflights users on 7/15. 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 10/1412:00 pm
PHL
- STT
1 stop27h 54m
JetBlue
Deal found 7/15![JetBlue logo]()
$269
This Justfly.com deal was found by Cheapflights users on 7/16. 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.
Fri 8/148:55 pm
PHL
- STT
1 stop16h 04m
JetBlue
Deal found 7/16![JetBlue logo]()
$270
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 July 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $414 (FlightHub) |
One-way from | $215 (Southwest) |
Popular in | December |
Cheapest in | November |
Average price | $755 |
Good round-trip deal | $818 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 July 17, 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
PhiladelphiaSaint Thomas Island
PHL - STT
PHLSTT
Philadelphia
Sat 8/15
12:38 pm-2:55 pm
1 stop26h 17m
Saint Thomas Island Cyril E King
Fri 8/21
2:49 pm-8:08 am
2 stops17h 19m
$563
Quickest round-trip
PhiladelphiaSaint Thomas Island
PHL - STT
PHLSTT
Philadelphia
Sun 1/10
6:35 am-3:05 pm
1 stop7h 30m
Saint Thomas Island Cyril E King
Thu 1/14
1:50 pm-10:56 pm
1 stop10h 06m
$650
PhiladelphiaSaint Thomas Island
PHL - STT
PHLSTT
Philadelphia
Thu 12/24
5:30 am-4:25 pm
1 stop9h 55m
Saint Thomas Island Cyril E King
Thu 12/31
1:50 pm-12:51 am
1 stop12h 01m
$866
PhiladelphiaSaint Thomas Island
PHL - STT
PHLSTT
Philadelphia
Thu 1/7
6:10 am-5:50 pm
2 stops10h 40m
Saint Thomas Island Cyril E King
Mon 1/11
5:25 pm-10:27 am
2 stops18h 02m
$910
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
$946
PhiladelphiaSaint Thomas Island
PHL - STT
PHLSTT
Philadelphia
Fri 12/25
5:30 am-4:25 pm
1 stop9h 55m
Saint Thomas Island Cyril E King
Wed 12/30
3:05 pm-12:51 am
1 stop10h 46m
$949
PhiladelphiaSaint Thomas Island
PHL - STT
PHLSTT
Philadelphia
Fri 12/25
5:30 am-4:25 pm
1 stop9h 55m
Saint Thomas Island Cyril E King
Thu 12/31
1:50 pm-12:51 am
1 stop12h 01m
$949
PhiladelphiaSaint Thomas Island
PHL - STT
PHLSTT
Philadelphia
Sun 1/10
8:00 pm-4:18 pm
2 stops19h 18m
Saint Thomas Island Cyril E King
Thu 1/14
3:05 pm-1:51 pm
2 stops23h 46m
$955
PhiladelphiaSaint Thomas Island
PHL - STT
PHLSTT
Philadelphia
Tue 11/3
6:00 am-1:56 pm
1 stop6h 56m
Saint Thomas Island Cyril E King
Fri 11/6
1:07 pm-11:13 pm
2 stops11h 06m
$995
PhiladelphiaSaint Thomas Island
PHL - STT
PHLSTT
Philadelphia
Wed 12/2
4:56 pm-1:56 pm
2 stops20h 00m
Saint Thomas Island Cyril E King
Mon 12/7
2:15 pm-10:27 am
2 stops21h 12m
$1,038
Showing 1-10 of 21 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 July.
| 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 $867). 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 July 17, 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 July 17, 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.
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Overall
7.8
Crew
8.5
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Overall
7.8
Crew
8.5
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Overall
7.8
Crew
8.5
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Overall
7.8
Crew
8.5
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Overall
7.8
Crew
8.5
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Overall
7.8
Crew
8.5
Food
7.2
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
Browse other Philadelphia and Saint Thomas Island flight options. Last updated on July 17, 2026.
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Other flights to Saint Thomas Island
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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 July 17, 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$578 | Average$821 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$604 | Average$825 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$670 | Average$832 | FlexibilityNo cancel fee | On-time69% |