$234+ 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 9/21. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — STT
Jul 24 — Jul 311
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 August, booked 20 days in advance, depart on a Sunday or Thursday 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 June 24, 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 June 24, 2026.
This CheapOair deal was found by Cheapflights users on 6/22. 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.
Sat 9/2612:00 pm
PHL
- STT
1 stop26h 41m
JetBlue
Sat 10/33:40 pm
STT
- PHL
1 stop19h 25m
JetBlue
Deal found 6/22![JetBlue logo]()
$466
This FlightHub deal was found by Cheapflights users on 6/21. 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 8/1212:57 pm
PHL
- STT
1 stop25h 58m
JetBlue
Tue 8/181:53 pm
STT
- PHL
2 stops18h 29m
JetBlue
Deal found 6/21![JetBlue logo]()
$468
This Justfly.com deal was found by Cheapflights users on 6/18. 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 9/3012:00 pm
PHL
- STT
1 stop26h 41m
JetBlue
Sun 10/43:40 pm
STT
- PHL
1 stop19h 25m
JetBlue
Deal found 6/18![JetBlue logo]()
$476
This FlightHub deal was found by Cheapflights users on 6/23. 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 6/23![JetBlue logo]()
$478
This Priceline deal was found by Cheapflights users on 6/22. 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.
Sat 8/2912:38 pm
PHL
- STT
1 stop26h 17m
JetBlue
Wed 9/23:45 pm
STT
- PHL
1 stop20h 01m
JetBlue
Deal found 6/22![JetBlue logo]()
$481
This FlightHub deal was found by Cheapflights users on 6/20. 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 7/178:55 pm
PHL
- STT
1 stop16h 04m
JetBlue
Fri 7/242:49 pm
STT
- PHL
2 stops17h 41m
JetBlue
Deal found 6/20![JetBlue logo]()
$484
This FlightHub deal was found by Cheapflights users on 6/23. 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 7/208:55 pm
PHL
- STT
1 stop17h 08m
JetBlue
Fri 7/242:49 pm
STT
- PHL
2 stops17h 41m
JetBlue
Deal found 6/23![JetBlue logo]()
$486
This CheapOair deal was found by Cheapflights users on 6/22. 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 6/22![JetBlue logo]()
$488
This Justfly.com deal was found by Cheapflights users on 6/21. 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.
Sun 9/2012:00 pm
PHL
- STT
1 stop26h 41m
JetBlue
Fri 9/253:40 pm
STT
- PHL
1 stop19h 25m
JetBlue
Deal found 6/21![JetBlue logo]()
$491
This CheapOair deal was found by Cheapflights users on 6/23. 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 10/212:00 pm
PHL
- STT
1 stop26h 41m
JetBlue
Mon 10/53:40 pm
STT
- PHL
1 stop19h 25m
JetBlue
Deal found 6/23![JetBlue logo]()
$496
This FlightHub deal was found by Cheapflights users on 6/19. 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.
Sun 8/2312:04 pm
PHL
- STT
1 stop27h 28m
JetBlue
Tue 8/252:58 pm
STT
- PHL
2 stops17h 24m
JetBlue
Deal found 6/19![JetBlue logo]()
$497
This FlightHub deal was found by Cheapflights users on 6/23. 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 8/412:38 pm
PHL
- STT
1 stop26h 17m
JetBlue
Tue 8/111:53 pm
STT
- PHL
2 stops18h 29m
JetBlue
Deal found 6/23![JetBlue logo]()
$500
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 June 24, 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 June 24, 2026.
This CheapOair deal was found by Cheapflights users on 6/19. 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 8/1212:04 pm
PHL
- STT
1 stop27h 28m
JetBlue
Wed 8/194:27 pm
STT
- PHL
1 stop18h 34m
JetBlue
Deal found 6/19![JetBlue logo]()
$563
This Delta deal was found by Cheapflights users on 6/21. 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.
Tue 8/186:15 am
PHL
- STT
1 stop7h 19m
Delta
Mon 8/242:49 pm
STT
- PHL
1 stop6h 48m
Delta
Deal found 6/21![Delta logo]()
$670
This American Airlines deal was found by Cheapflights users on 6/23. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/237:35 pm
PHL
- STT
1 stop15h 28m
American Airlines
Thu 7/304:50 pm
STT
- PHL
1 stop17h 53m
American Airlines
Deal found 6/23![American Airlines logo]()
$677
This Kiwi.com deal was found by Cheapflights users on 6/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/1310:59 pm
PHL
- STT
1 stop8h 51m
Multiple Airlines
Sun 8/165:40 pm
STT
- PHL
2 stops31h 08m
Multiple Airlines
Deal found 6/23![Multiple Airlines logo]()
$686
This FlightHub deal was found by Cheapflights users on 6/19. 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 7/318:55 pm
PHL
- STT
1 stop16h 04m
JetBlue
Fri 8/72:58 pm
STT
- PHL
2 stops29h 02m
JetBlue
Deal found 6/19![JetBlue logo]()
$583
This Delta deal was found by Cheapflights users on 6/22. 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.
Tue 8/116:15 am
PHL
- STT
1 stop7h 19m
Delta
Mon 8/242:49 pm
STT
- PHL
1 stop10h 30m
Delta
Deal found 6/22![Delta logo]()
$670
This Kiwi.com deal was found by Cheapflights users on 6/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/2510:59 pm
PHL
- STT
1 stop8h 51m
Multiple Airlines
Sat 8/18:39 am
STT
- PHL
1 stop13h 10m
Multiple Airlines
Deal found 6/23![Multiple Airlines logo]()
$733
This FlightHub deal was found by Cheapflights users on 6/23. 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 8/138:55 pm
PHL
- STT
1 stop17h 04m
JetBlue
Sun 8/163:45 pm
STT
- PHL
2 stops48h 21m
JetBlue
Deal found 6/23![JetBlue logo]()
$687
This Delta deal was found by Cheapflights users on 6/21. 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 8/145:15 am
PHL
- STT
1 stop8h 19m
Delta
Mon 8/242:49 pm
STT
- PHL
1 stop10h 30m
Delta
Deal found 6/21![Delta logo]()
$720
This FlightHub deal was found by Cheapflights users on 6/20. 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 7/185:02 pm
PHL
- STT
2 stops21h 46m
JetBlue
Sat 7/252:00 pm
STT
- PHL
2 stops18h 22m
JetBlue
Deal found 6/20![JetBlue logo]()
$703
This Delta deal was found by Cheapflights users on 6/21. 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 8/136:15 am
PHL
- STT
1 stop7h 19m
Delta
Mon 8/242:49 pm
STT
- PHL
1 stop10h 30m
Delta
Deal found 6/21![Delta logo]()
$720
Last-minute flights from Philadelphia to Saint Thomas IslandDiscover last-minute flight deals from Philadelphia to Saint Thomas Island. Data last updated June 24, 2026 and is based on user searches.
Discover last-minute flight deals from Philadelphia to Saint Thomas Island. Data last updated June 24, 2026 and is based on user searches.
This FlightHub deal was found by Cheapflights users on 6/22. 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 7/108:55 pm
PHL
- STT
1 stop16h 04m
JetBlue
Tue 7/142:53 pm
STT
- PHL
2 stops17h 37m
JetBlue
Deal found 6/22![JetBlue logo]()
$504
This FlightHub deal was found by Cheapflights users on 6/21. 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 7/148:05 am
PHL
- STT
2 stops30h 43m
JetBlue
Fri 7/172:49 pm
STT
- PHL
2 stops17h 36m
JetBlue
Deal found 6/21![JetBlue logo]()
$588
This FlightHub deal was found by Cheapflights users on 6/21. 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 7/1512:38 pm
PHL
- STT
1 stop26h 10m
JetBlue
Tue 7/212:53 pm
STT
- PHL
2 stops17h 37m
JetBlue
Deal found 6/21![JetBlue logo]()
$560
This FlightHub deal was found by Cheapflights users on 6/20. 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 7/178:55 pm
PHL
- STT
1 stop16h 04m
JetBlue
Fri 7/242:49 pm
STT
- PHL
2 stops17h 41m
JetBlue
Deal found 6/20![JetBlue logo]()
$484
This FlightHub deal was found by Cheapflights users on 6/21. 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 7/179:20 am
PHL
- STT
1 stop27h 39m
JetBlue
Tue 7/282:53 pm
STT
- PHL
2 stops17h 37m
JetBlue
Deal found 6/21![JetBlue logo]()
$533
This FlightHub deal was found by Cheapflights users on 6/21. 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.
Sun 7/195:02 pm
PHL
- STT
2 stops21h 46m
JetBlue
Tue 7/282:53 pm
STT
- PHL
2 stops17h 37m
JetBlue
Deal found 6/21![JetBlue logo]()
$584
This FlightHub deal was found by Cheapflights users on 6/23. 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 7/208:55 pm
PHL
- STT
1 stop17h 08m
JetBlue
Fri 7/242:49 pm
STT
- PHL
2 stops17h 41m
JetBlue
Deal found 6/23![JetBlue logo]()
$486
This FlightHub deal was found by Cheapflights users on 6/21. 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 7/205:02 pm
PHL
- STT
2 stops22h 16m
JetBlue
Tue 7/282:53 pm
STT
- PHL
2 stops17h 37m
JetBlue
Deal found 6/21![JetBlue logo]()
$559
This FlightHub deal was found by Cheapflights users on 6/19. 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 7/318:55 pm
PHL
- STT
1 stop16h 04m
JetBlue
Fri 8/72:58 pm
STT
- PHL
2 stops29h 02m
JetBlue
Deal found 6/19![JetBlue logo]()
$583
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 June 24, 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 June 24, 2026.
This Southwest deal was found by Cheapflights users on 6/23. 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 9/217:10 am
PHL
- STT
1 stop6h 40m
Southwest
Deal found 6/23![Southwest logo]()
$234
This Southwest deal was found by Cheapflights users on 6/23. 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 8/214:05 pm
PHL
- STT
2 stops21h 15m
Southwest
Deal found 6/23![Southwest logo]()
$240
This Justfly.com deal was found by Cheapflights users on 6/20. 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 9/1712:00 pm
PHL
- STT
1 stop26h 41m
JetBlue
Deal found 6/20![JetBlue logo]()
$247
This FlightHub deal was found by Cheapflights users on 6/21. 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
Deal found 6/21![JetBlue logo]()
$250
This Justfly.com deal was found by Cheapflights users on 6/23. 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 8/208:55 pm
PHL
- STT
1 stop17h 04m
JetBlue
Deal found 6/23![JetBlue logo]()
$251
This Justfly.com deal was found by Cheapflights users on 6/23. 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.
Sun 9/2012:00 pm
PHL
- STT
1 stop26h 41m
JetBlue
Deal found 6/23![JetBlue logo]()
$257
This FlightHub deal was found by Cheapflights users on 6/21. 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 8/1812:57 pm
PHL
- STT
1 stop25h 58m
JetBlue
Deal found 6/21![JetBlue logo]()
$260
This Southwest deal was found by Cheapflights users on 6/23. 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 8/77:10 am
PHL
- STT
1 stop6h 40m
Southwest
Deal found 6/23![Southwest logo]()
$266
This Priceline deal was found by Cheapflights users on 6/19. 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.
Fri 7/178:55 pm
PHL
- STT
1 stop16h 04m
JetBlue
Deal found 6/19![JetBlue logo]()
$271
This Southwest deal was found by Cheapflights users on 6/19. 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 8/64:05 pm
PHL
- STT
2 stops21h 45m
Southwest
Deal found 6/19![Southwest logo]()
$272
This Priceline deal was found by Cheapflights users on 6/21. 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 7/68:55 pm
PHL
- STT
1 stop17h 08m
JetBlue
Deal found 6/21![JetBlue logo]()
$274
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 June 24, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $466 (CheapOair) |
One-way from | $234 (Southwest) |
Popular in | December |
Cheapest in | November |
Average price | $800 |
Good round-trip deal | $750 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 June 24, 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
Wed 8/12
12:04 pm-3:32 pm
1 stop27h 28m
Saint Thomas Island Cyril E King
Wed 8/19
4:27 pm-11:01 am
1 stop18h 34m
$563
PhiladelphiaSaint Thomas Island
PHL - STT
PHLSTT
Philadelphia
Fri 7/31
8:55 pm-12:59 pm
1 stop16h 04m
Saint Thomas Island Cyril E King
Fri 8/7
2:58 pm-8:00 pm
2 stops29h 02m
$583
Quickest round-trip
PhiladelphiaSaint Thomas Island
PHL - STT
PHLSTT
Philadelphia
Tue 8/18
6:15 am-1:34 pm
1 stop7h 19m
Saint Thomas Island Cyril E King
Mon 8/24
2:49 pm-9:37 pm
1 stop6h 48m
$670
PhiladelphiaSaint Thomas Island
PHL - STT
PHLSTT
Philadelphia
Tue 8/11
6:15 am-1:34 pm
1 stop7h 19m
Saint Thomas Island Cyril E King
Mon 8/24
2:49 pm-1:19 am
1 stop10h 30m
$670
PhiladelphiaSaint Thomas Island
PHL - STT
PHLSTT
Philadelphia
Thu 7/23
7:35 pm-11:03 am
1 stop15h 28m
Saint Thomas Island Cyril E King
Thu 7/30
4:50 pm-10:43 am
1 stop17h 53m
$677
PhiladelphiaSaint Thomas Island
PHL - STT
PHLSTT
Philadelphia
Thu 8/13
10:59 pm-7:50 am
1 stop8h 51m
Saint Thomas Island Cyril E King
Sun 8/16
5:40 pm-12:48 am
2 stops31h 08m
$686
PhiladelphiaSaint Thomas Island
PHL - STT
PHLSTT
Philadelphia
Thu 8/13
8:55 pm-1:59 pm
1 stop17h 04m
Saint Thomas Island Cyril E King
Sun 8/16
3:45 pm-4:06 pm
2 stops48h 21m
$687
PhiladelphiaSaint Thomas Island
PHL - STT
PHLSTT
Philadelphia
Sat 7/18
5:02 pm-2:48 pm
2 stops21h 46m
Saint Thomas Island Cyril E King
Sat 7/25
2:00 pm-8:22 am
2 stops18h 22m
$703
PhiladelphiaSaint Thomas Island
PHL - STT
PHLSTT
Philadelphia
Fri 8/14
5:15 am-1:34 pm
1 stop8h 19m
Saint Thomas Island Cyril E King
Mon 8/24
2:49 pm-1:19 am
1 stop10h 30m
$720
PhiladelphiaSaint Thomas Island
PHL - STT
PHLSTT
Philadelphia
Thu 8/13
6:15 am-1:34 pm
1 stop7h 19m
Saint Thomas Island Cyril E King
Mon 8/24
2:49 pm-1:19 am
1 stop10h 30m
$720
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 June.
| 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
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 19 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 $547). Flying from Philadelphia to Saint Thomas Island in December is currently the most expensive (average of $866). 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 June 24, 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.
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 June 24, 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.
Food
7.2
Overall
7.8
Comfort
7.8
Crew
8.5
Boarding
8.1
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Food
7.2
Overall
7.8
Comfort
7.8
Crew
8.5
Boarding
8.1
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Food
7.2
Overall
7.8
Comfort
7.8
Crew
8.5
Boarding
8.1
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Food
7.2
Overall
7.8
Comfort
7.8
Crew
8.5
Boarding
8.1
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Food
7.2
Overall
7.8
Comfort
7.8
Crew
8.5
Boarding
8.1
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Food
7.2
Overall
7.8
Comfort
7.8
Crew
8.5
Boarding
8.1
Entertainment
7.8
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 June 24, 2026.
Other flights from Philadelphia
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Other flights to Saint Thomas Island
Explore flights to Saint Thomas Island departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on June 24, 2026.
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 June 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$126 | Average$227 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$284 | Average$539 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$572 | Average$812 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$604 | Average$825 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$670 | Average$781 | FlexibilityNo cancel fee | On-time69% |