$223+ Cheap flights from Philadelphia (PHL) to Saint Thomas Island (STT)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/21. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — STT
Oct 23 — Oct 301
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 February or January, booked 68 days in advance, depart on a Sunday or Monday and return on a Tuesday
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 September 23, 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 September 23, 2026.
This CheapOair deal was found by Cheapflights users on 9/23. 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 10/2311:43 am -
1 stop28h 11m
Tue 10/274:40 pm -
1 stop18h 10m
Deal found 9/23![JetBlue logo]()
$438
This Priceline deal was found by Cheapflights users on 9/20. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1911:43 am -
1 stop28h 11m
Mon 10/264:40 pm -
1 stop18h 10m
Deal found 9/20![JetBlue logo]()
$456
This FlightHub deal was found by Cheapflights users on 9/18. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2411:43 am -
1 stop28h 01m
Wed 10/284:40 pm -
1 stop18h 10m
Deal found 9/18![JetBlue logo]()
$464
This FlightHub deal was found by Cheapflights users on 9/19. 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.
Mon 10/2611:42 am -
1 stop28h 02m
Sat 10/314:40 pm -
1 stop19h 07m
Deal found 9/19![JetBlue logo]()
$465
This Priceline deal was found by Cheapflights users on 9/19. 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.
Sun 10/2511:42 am -
1 stop28h 02m
Wed 10/284:40 pm -
1 stop18h 10m
Deal found 9/19![JetBlue logo]()
$470
This CheapOair deal was found by Cheapflights users on 9/23. 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.
Sun 10/2511:42 am -
1 stop28h 02m
Sat 10/314:40 pm -
1 stop19h 07m
Deal found 9/23![JetBlue logo]()
$473
This FlightHub deal was found by Cheapflights users on 9/19. 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.
Mon 10/2611:42 am -
1 stop28h 02m
Thu 10/295:04 pm -
1 stop17h 46m
Deal found 9/19![JetBlue logo]()
$479
This Priceline deal was found by Cheapflights users on 9/22. 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.
Fri 10/2311:43 am -
1 stop28h 11m
Fri 10/304:40 pm -
1 stop18h 10m
Deal found 9/22![JetBlue logo]()
$488
This FlightHub deal was found by Cheapflights users on 9/19. 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.
Tue 10/2711:42 am -
1 stop28h 02m
Thu 10/295:04 pm -
1 stop17h 46m
Deal found 9/19![JetBlue logo]()
$489
This CheapOair deal was found by Cheapflights users on 9/22. 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.
Thu 10/1511:43 am -
1 stop28h 11m
Sun 10/184:54 pm -
1 stop17h 58m
Deal found 9/22![JetBlue logo]()
$491
This CheapOair deal was found by Cheapflights users on 9/18. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1411:43 am -
1 stop28h 11m
Sun 10/184:54 pm -
1 stop17h 58m
Deal found 9/18![JetBlue logo]()
$496
This CheapOair deal was found by Cheapflights users on 9/19. 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.
Thu 10/811:43 am -
1 stop28h 11m
Thu 10/154:54 pm -
1 stop17h 58m
Deal found 9/19![JetBlue logo]()
$501
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 September 23, 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 September 23, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/188:02 pm -
1 stop11h 48m
Sun 10/255:45 pm -
2 stops39h 45m
Deal found 9/18![Multiple Airlines logo]()
$582
This Delta deal was found by Cheapflights users on 9/22. 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.
Thu 1/76:35 am -
1 stop8h 40m
Mon 1/113:10 pm -
1 stop10h 41m
Deal found 9/22![Delta logo]()
$640
This Priceline deal was found by Cheapflights users on 9/18. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/911:35 am -
1 stop25h 08m
Sun 12/132:35 pm -
1 stop21h 10m
Deal found 9/18![JetBlue logo]()
$651
This Southwest deal was found by Cheapflights users on 9/18. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/96:25 am -
1 stop7h 10m
Sun 12/132:40 pm -
2 stops10h 15m
Deal found 9/18![Southwest logo]()
$724
This United Airlines deal was found by Cheapflights users on 9/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/237:30 pm -
2 stops20h 13m
Sun 10/2512:07 pm -
1 stop21h 42m
Deal found 9/18![United Airlines logo]()
$751
This Delta deal was found by Cheapflights users on 9/21. 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.
Mon 3/226:40 am -
1 stop8h 05m
Fri 3/2612:50 pm -
1 stop10h 06m
Deal found 9/21![Delta logo]()
$736
This United Airlines deal was found by Cheapflights users on 9/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/226:10 am -
2 stops10h 40m
Thu 2/251:02 pm -
2 stops11h 06m
Deal found 9/19![United Airlines logo]()
$845
This United deal was found by Cheapflights users on 9/22. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/186:00 am -
2 stops7h 50m
Fri 1/225:25 pm -
2 stops21h 26m
Deal found 9/22![Multiple Airlines logo]()
$897
This United Airlines deal was found by Cheapflights users on 9/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/110:30 am -
1 stop26h 26m
Sat 11/71:07 pm -
1 stop11h 18m
Deal found 9/23![United Airlines logo]()
$897
This United Airlines deal was found by Cheapflights users on 9/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3010:30 am -
2 stops27h 01m
Sun 11/13:35 pm -
2 stops32h 55m
Deal found 9/19![United Airlines logo]()
$911
This United Airlines deal was found by Cheapflights users on 9/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/1610:15 am -
3 stops29h 05m
Fri 1/223:00 pm -
2 stops23h 51m
Deal found 9/22![United Airlines logo]()
$917
Last-minute flights from Philadelphia to Saint Thomas IslandDiscover last-minute flight deals from Philadelphia to Saint Thomas Island. Data last updated September 23, 2026 and is based on user searches.
Discover last-minute flight deals from Philadelphia to Saint Thomas Island. Data last updated September 23, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 9/19. 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.
Thu 10/811:43 am -
1 stop28h 11m
Thu 10/154:54 pm -
1 stop17h 58m
Deal found 9/19![JetBlue logo]()
$501
This CheapOair deal was found by Cheapflights users on 9/19. 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 10/1411:43 am -
1 stop28h 11m
Sun 10/184:54 pm -
1 stop17h 58m
Deal found 9/19![JetBlue logo]()
$496
This CheapOair deal was found by Cheapflights users on 9/22. 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.
Thu 10/1511:43 am -
1 stop28h 11m
Sun 10/184:54 pm -
1 stop17h 58m
Deal found 9/22![JetBlue logo]()
$491
This Priceline deal was found by Cheapflights users on 9/20. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1911:43 am -
1 stop28h 11m
Mon 10/264:40 pm -
1 stop18h 10m
Deal found 9/20![JetBlue logo]()
$456
This CheapOair deal was found by Cheapflights users on 9/23. 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 10/2311:43 am -
1 stop28h 11m
Tue 10/274:40 pm -
1 stop18h 10m
Deal found 9/23![JetBlue logo]()
$438
This Priceline deal was found by Cheapflights users on 9/22. 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.
Fri 10/2311:43 am -
1 stop28h 11m
Fri 10/304:40 pm -
1 stop18h 10m
Deal found 9/22![JetBlue logo]()
$488
This FlightHub deal was found by Cheapflights users on 9/18. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2411:43 am -
1 stop28h 01m
Wed 10/284:40 pm -
1 stop18h 10m
Deal found 9/18![JetBlue logo]()
$464
This Priceline deal was found by Cheapflights users on 9/19. 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.
Sun 10/2511:42 am -
1 stop28h 02m
Wed 10/284:40 pm -
1 stop18h 10m
Deal found 9/19![JetBlue logo]()
$470
This CheapOair deal was found by Cheapflights users on 9/23. 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.
Sun 10/2511:42 am -
1 stop28h 02m
Sat 10/314:40 pm -
1 stop19h 07m
Deal found 9/23![JetBlue logo]()
$473
This FlightHub deal was found by Cheapflights users on 9/19. 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.
Mon 10/2611:42 am -
1 stop28h 02m
Sat 10/314:40 pm -
1 stop19h 07m
Deal found 9/19![JetBlue logo]()
$465
This FlightHub deal was found by Cheapflights users on 9/19. 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.
Mon 10/2611:42 am -
1 stop28h 02m
Thu 10/295:04 pm -
1 stop17h 46m
Deal found 9/19![JetBlue logo]()
$479
This FlightHub deal was found by Cheapflights users on 9/19. 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.
Tue 10/2711:42 am -
1 stop28h 02m
Thu 10/295:04 pm -
1 stop17h 46m
Deal found 9/19![JetBlue logo]()
$489
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 September 23, 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 September 23, 2026.
This Priceline deal was found by Cheapflights users on 9/21. 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.
Wed 10/2111:43 am -
1 stop28h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![JetBlue logo]()
$223
This FlightHub deal was found by Cheapflights users on 9/20. 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.
Tue 10/2011:43 am -
1 stop28h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![JetBlue logo]()
$244
This Delta deal was found by Cheapflights users on 9/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/225:30 am -
1 stop8h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![Delta logo]()
$248
This Priceline deal was found by Cheapflights users on 9/22. 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 10/1711:43 am -
1 stop28h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![JetBlue logo]()
$252
This CheapOair deal was found by Cheapflights users on 9/23. 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.
Sun 10/2511:42 am -
1 stop28h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![JetBlue logo]()
$258
This Kiwi.com deal was found by Cheapflights users on 9/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1711:27 am -
1 stop26h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Multiple Airlines logo]()
$259
This Kiwi.com deal was found by Cheapflights users on 9/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/198:02 pm -
1 stop14h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Multiple Airlines logo]()
$260
This Kiwi.com deal was found by Cheapflights users on 9/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1811:27 am -
1 stop6h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Multiple Airlines logo]()
$265
This Kiwi.com deal was found by Cheapflights users on 9/23. 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.
Tue 9/296:24 am -
1 stop9h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![Multiple Airlines logo]()
$266
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 September 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $438 (CheapOair) |
One-way from | $223 (Priceline) |
Popular in | July |
Cheapest in | February |
Average price | $770 |
Good round-trip deal | $676 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 7,457,451 searches. Data last updated September 23, 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 Philadelphia - STT Saint Thomas Island Cyril E King
PHLSTT
Philadelphia
Sun 2/7
5:30 am-3:05 pm
1 stop8h 35m
Saint Thomas Island Cyril E King
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$248
PhiladelphiaSaint Thomas Island
PHL Philadelphia - STT Saint Thomas Island Cyril E King
PHLSTT
Philadelphia
Wed 3/17
5:30 am-2:45 pm
1 stop9h 15m
Saint Thomas Island Cyril E King
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$248
PhiladelphiaSaint Thomas Island
PHL Philadelphia - STT Saint Thomas Island Cyril E King
PHLSTT
Philadelphia
Mon 3/22
6:40 am-2:45 pm
1 stop8h 05m
Saint Thomas Island Cyril E King
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$248
PhiladelphiaSaint Thomas Island
PHL Philadelphia - STT Saint Thomas Island Cyril E King
PHLSTT
Philadelphia
Mon 3/15
5:30 am-2:45 pm
1 stop9h 15m
Saint Thomas Island Cyril E King
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$248
PhiladelphiaSaint Thomas Island
PHL Philadelphia - STT Saint Thomas Island Cyril E King
PHLSTT
Philadelphia
Wed 10/21
4:47 pm-7:50 am
2 stops15h 03m
Saint Thomas Island Cyril E King
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$297
PhiladelphiaSaint Thomas Island
PHL Philadelphia - STT Saint Thomas Island Cyril E King
PHLSTT
Philadelphia
Wed 12/16
9:52 am-5:44 pm
1 stop6h 52m
Saint Thomas Island Cyril E King
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$302
PhiladelphiaSaint Thomas Island
PHL Philadelphia - STT Saint Thomas Island Cyril E King
PHLSTT
Philadelphia
Mon 2/22
2:37 pm-10:14 am
2 stops18h 37m
Saint Thomas Island Cyril E King
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$343
PhiladelphiaSaint Thomas Island
PHL Philadelphia - STT Saint Thomas Island Cyril E King
PHLSTT
Philadelphia
Thu 3/18
6:00 am-3:04 pm
1 stop9h 04m
Saint Thomas Island Cyril E King
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$358
Quickest round-trip
PhiladelphiaSaint Thomas Island
PHL Philadelphia - STT Saint Thomas Island Cyril E King
PHLSTT
Philadelphia
Sat 1/2
5:15 am-12:47 pm
1 stop6h 32m
Saint Thomas Island Cyril E King
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$358
PhiladelphiaSaint Thomas Island
PHL Philadelphia - STT Saint Thomas Island Cyril E King
PHLSTT
Philadelphia
Sun 10/18
8:02 pm-7:50 am
1 stop11h 48m
Saint Thomas Island Cyril E King
Sun 10/25
5:45 pm-9:30 am
2 stops39h 45m
$582
Showing 1-10 of 20 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 September.
| 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 |
- 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
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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 67 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, February is the cheapest month in which you can book a flight from Philadelphia to Saint Thomas Island (average of $625). Flying from Philadelphia to Saint Thomas Island in July is currently the most expensive (average of $905). 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.
How much does it cost to fly round-trip from Philadelphia to Saint Thomas Island?
Airfare is below average for this route at the moment.
Philadelphia to Saint Thomas Island flights typically cost between $666 and $792 in October.The cheapest round-trip price found within the last 5 days was $438 on JetBlue (Oct 23-Oct 27).
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 September 23, 2026.
Read through reviews of airlines operating flights from Philadelphia to Saint Thomas Island, such as Delta,United Airlines, andJetBlue. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.5
Boarding
8.1
Food
7.2
Overall
7.8
Comfort
7.8
Entertainment
7.8
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Crew
8.5
Boarding
8.1
Food
7.2
Overall
7.8
Comfort
7.8
Entertainment
7.8
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Crew
8.5
Boarding
8.1
Food
7.2
Overall
7.8
Comfort
7.8
Entertainment
7.8
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Crew
8.5
Boarding
8.1
Food
7.2
Overall
7.8
Comfort
7.8
Entertainment
7.8
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Crew
8.5
Boarding
8.1
Food
7.2
Overall
7.8
Comfort
7.8
Entertainment
7.8
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
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 September 23, 2026.
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Other flights to Saint Thomas Island
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Top 4 airlines flying from Philadelphia to Saint Thomas Island
Discover the top 4 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 7,457,451 searches. Data last updated September 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$284 | Average$520 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$591 | Average$813 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$670 | Average$832 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$685 | Average$820 | FlexibilityNo cancel fee | On-timeN/A |