$209+ Cheap flights from Philadelphia (PHL) to Saint Thomas Island (STT)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/30. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — STT
Aug 5 — Aug 121
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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
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 July 6, 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 6, 2026.
This Justfly.com deal was found by Cheapflights users on 7/5. 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 9/1012:00 pm
PHL
- STT
1 stop26h 41m
JetBlue
Mon 9/143:40 pm
STT
- PHL
1 stop19h 25m
JetBlue
Deal found 7/5![JetBlue logo]()
$412
This FlightHub deal was found by Cheapflights users on 7/5. 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 7/5![JetBlue logo]()
$414
This CheapOair deal was found by Cheapflights users on 7/5. 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 7/5![JetBlue logo]()
$437
This Priceline deal was found by Cheapflights users on 7/4. 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 8/1912:57 pm
PHL
- STT
1 stop25h 58m
JetBlue
Thu 8/273:45 pm
STT
- PHL
1 stop20h 01m
JetBlue
Deal found 7/4![JetBlue logo]()
$438
This CheapOair deal was found by Cheapflights users on 7/5. 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 9/712:04 pm
PHL
- STT
1 stop27h 28m
JetBlue
Sun 9/133:40 pm
STT
- PHL
1 stop19h 25m
JetBlue
Deal found 7/5![JetBlue logo]()
$444
This Justfly.com deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2612:00 pm
PHL
- STT
1 stop26h 41m
JetBlue
Sat 10/33:40 pm
STT
- PHL
1 stop19h 25m
JetBlue
Deal found 7/6![JetBlue logo]()
$446
This Justfly.com deal was found by Cheapflights users on 7/5. 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 9/212:57 pm
PHL
- STT
1 stop25h 58m
JetBlue
Sun 9/64:27 pm
STT
- PHL
1 stop18h 34m
JetBlue
Deal found 7/5![JetBlue logo]()
$452
This CheapOair deal was found by Cheapflights users on 7/5. 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 8/1212:57 pm
PHL
- STT
1 stop25h 58m
JetBlue
Wed 8/193:45 pm
STT
- PHL
1 stop20h 01m
JetBlue
Deal found 7/5![JetBlue logo]()
$458
This FlightHub deal was found by Cheapflights users on 7/2. 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 7/2![JetBlue logo]()
$466
This Justfly.com deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1912:00 pm
PHL
- STT
1 stop26h 41m
JetBlue
Fri 9/253:40 pm
STT
- PHL
1 stop19h 25m
JetBlue
Deal found 7/4![JetBlue logo]()
$471
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 6, 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 6, 2026.
This Southwest deal was found by Cheapflights users on 7/3. 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
Sat 9/192:05 pm
STT
- PHL
1 stop7h 20m
Southwest
Deal found 7/3![Southwest logo]()
$495
This Justfly.com deal was found by Cheapflights users on 7/1. 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 8/1212:57 pm
PHL
- STT
1 stop25h 58m
JetBlue
Wed 8/193:45 pm
STT
- PHL
1 stop20h 01m
JetBlue
Deal found 7/1![JetBlue logo]()
$558
This Delta deal was found by Cheapflights users on 7/3. 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 9/276:30 am
PHL
- STT
1 stop7h 12m
Delta
Sun 10/42:52 pm
STT
- PHL
1 stop9h 49m
Delta
Deal found 7/3![Delta logo]()
$670
This United Airlines deal was found by Cheapflights users on 7/3. 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 11/147:40 pm
PHL
- STT
2 stops15h 25m
United Airlines
Sat 11/213:00 pm
STT
- PHL
1 stop9h 13m
United Airlines
Deal found 7/3![United Airlines logo]()
$827
This CheapOair deal was found by Cheapflights users on 7/5. 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 7/238:05 am
PHL
- STT
2 stops31h 04m
Multiple Airlines
Thu 7/305:40 pm
STT
- PHL
1 stop18h 06m
Multiple Airlines
Deal found 7/5![Multiple Airlines logo]()
$833
This Expedia deal was found by Cheapflights users on 7/6. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/258:55 pm
PHL
- STT
2 stops17h 53m
JetBlue
Thu 7/303:38 pm
STT
- PHL
2 stops16h 52m
JetBlue
Deal found 7/6![JetBlue logo]()
$916
This United Airlines deal was found by Cheapflights users on 7/1. 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 stops16h 59m
United Airlines
Deal found 7/1![United Airlines logo]()
$951
This United deal was found by Cheapflights users on 7/5. 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.
Sat 11/2810:30 am
PHL
- STT
2 stops28h 50m
Multiple Airlines
Fri 12/45:45 pm
STT
- PHL
2 stops24h 37m
Multiple Airlines
Deal found 7/5![Multiple Airlines logo]()
$1,020
This United Airlines deal was found by Cheapflights users on 7/2. 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 7/256:10 am
PHL
- STT
1 stop10h 50m
United Airlines
Sat 8/14:45 pm
STT
- PHL
1 stop17h 00m
United Airlines
Deal found 7/2![United Airlines logo]()
$999
This United Airlines deal was found by Cheapflights users on 7/5. 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 11/96:00 am
PHL
- STT
2 stops29h 05m
United Airlines
Sat 11/143:35 pm
STT
- PHL
2 stops19h 43m
United Airlines
Deal found 7/5![United Airlines logo]()
$1,004
Last-minute flights from Philadelphia to Saint Thomas IslandDiscover last-minute flight deals from Philadelphia to Saint Thomas Island. Data last updated July 6, 2026 and is based on user searches.
Discover last-minute flight deals from Philadelphia to Saint Thomas Island. Data last updated July 6, 2026 and is based on user searches.
This FlightHub deal was found by Cheapflights users on 7/2. 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 7/2![JetBlue logo]()
$466
This FlightHub deal was found by Cheapflights users on 7/5. 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 7/3112:44 pm
PHL
- STT
1 stop26h 13m
JetBlue
Fri 8/72:49 pm
STT
- PHL
2 stops17h 19m
JetBlue
Deal found 7/5![JetBlue logo]()
$510
This CheapOair deal was found by Cheapflights users on 7/5. 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 8/1212:57 pm
PHL
- STT
1 stop25h 58m
JetBlue
Wed 8/193:45 pm
STT
- PHL
1 stop20h 01m
JetBlue
Deal found 7/5![JetBlue logo]()
$458
This FlightHub deal was found by Cheapflights users on 7/1. 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 8/156:00 am
PHL
- STT
2 stops8h 57m
JetBlue
Fri 8/212:49 pm
STT
- PHL
2 stops17h 19m
JetBlue
Deal found 7/1![JetBlue logo]()
$517
This Priceline deal was found by Cheapflights users on 7/4. 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 8/1912:57 pm
PHL
- STT
1 stop25h 58m
JetBlue
Thu 8/273:45 pm
STT
- PHL
1 stop20h 01m
JetBlue
Deal found 7/4![JetBlue logo]()
$438
This CheapOair deal was found by Cheapflights users on 7/1. 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 8/248:55 pm
PHL
- STT
1 stop16h 08m
JetBlue
Thu 8/273:45 pm
STT
- PHL
1 stop20h 01m
JetBlue
Deal found 7/1![JetBlue logo]()
$485
This FlightHub deal was found by Cheapflights users on 7/5. 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 7/5![JetBlue logo]()
$414
This CheapOair deal was found by Cheapflights users on 7/5. 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 7/5![JetBlue logo]()
$437
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 6, 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 6, 2026.
This Southwest deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/305:45 am
PHL
- STT
1 stop7h 40m
Southwest
Deal found 7/2![Southwest logo]()
$209
This Priceline deal was found by Cheapflights users on 7/5. 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 8/38:55 pm
PHL
- STT
1 stop17h 08m
JetBlue
Deal found 7/5![JetBlue logo]()
$231
This Southwest deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/164:35 pm
PHL
- STT
2 stops21h 15m
Southwest
Deal found 7/3![Southwest logo]()
$240
This Justfly.com deal was found by Cheapflights users on 7/1. 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
Deal found 7/1![JetBlue logo]()
$247
This Priceline deal was found by Cheapflights users on 7/3. 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 7/208:55 pm
PHL
- STT
1 stop17h 08m
JetBlue
Deal found 7/3![JetBlue logo]()
$251
This Justfly.com deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/312:00 pm
PHL
- STT
1 stop26h 41m
JetBlue
Deal found 7/6![JetBlue logo]()
$257
This Priceline deal was found by Cheapflights users on 7/3. 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 8/1612:38 pm
PHL
- STT
1 stop26h 17m
JetBlue
Deal found 7/3![JetBlue logo]()
$272
This Southwest deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/25:30 am
PHL
- STT
2 stops8h 30m
Southwest
Deal found 7/3![Southwest logo]()
$278
This CheapOair deal was found by Cheapflights users on 7/3. 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 10/112:00 pm
PHL
- STT
1 stop26h 41m
JetBlue
Deal found 7/3![JetBlue logo]()
$279
This Kiwi.com deal was found by Cheapflights users on 7/4. 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 8/3110:59 pm
PHL
- STT
1 stop8h 51m
Multiple Airlines
Deal found 7/4![Multiple Airlines logo]()
$281
This Kiwi.com deal was found by Cheapflights users on 7/3. 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.
Fri 9/410:59 pm
PHL
- STT
1 stop8h 51m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$282
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 6, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $412 (Justfly.com) |
One-way from | $209 (Southwest) |
Popular in | December |
Cheapest in | November |
Average price | $755 |
Good round-trip deal | $1,095 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 6, 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
Fri 9/11
4:05 pm-1:20 pm
2 stops21h 15m
Saint Thomas Island Cyril E King
Sat 9/19
2:05 pm-9:25 pm
1 stop7h 20m
$495
PhiladelphiaSaint Thomas Island
PHL - STT
PHLSTT
Philadelphia
Wed 8/12
12:57 pm-2:55 pm
1 stop25h 58m
Saint Thomas Island Cyril E King
Wed 8/19
3:45 pm-11:46 am
1 stop20h 01m
$558
Quickest round-trip
PhiladelphiaSaint Thomas Island
PHL - STT
PHLSTT
Philadelphia
Sun 9/27
6:30 am-1:42 pm
1 stop7h 12m
Saint Thomas Island Cyril E King
Sun 10/4
2:52 pm-12:41 am
1 stop9h 49m
$670
PhiladelphiaSaint Thomas Island
PHL - STT
PHLSTT
Philadelphia
Sat 11/14
7:40 pm-12:05 pm
2 stops15h 25m
Saint Thomas Island Cyril E King
Sat 11/21
3:00 pm-11:13 pm
1 stop9h 13m
$827
PhiladelphiaSaint Thomas Island
PHL - STT
PHLSTT
Philadelphia
Thu 7/23
8:05 am-3:09 pm
2 stops31h 04m
Saint Thomas Island Cyril E King
Thu 7/30
5:40 pm-11:46 am
1 stop18h 06m
$833
PhiladelphiaSaint Thomas Island
PHL - STT
PHLSTT
Philadelphia
Sat 7/25
8:55 pm-2:48 pm
2 stops17h 53m
Saint Thomas Island Cyril E King
Thu 7/30
3:38 pm-8:30 am
2 stops16h 52m
$916
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-9:24 am
2 stops16h 59m
$951
PhiladelphiaSaint Thomas Island
PHL - STT
PHLSTT
Philadelphia
Sat 7/25
6:10 am-5:00 pm
1 stop10h 50m
Saint Thomas Island Cyril E King
Sat 8/1
4:45 pm-9:45 am
1 stop17h 00m
$999
PhiladelphiaSaint Thomas Island
PHL - STT
PHLSTT
Philadelphia
Mon 11/9
6:00 am-12:05 pm
2 stops29h 05m
Saint Thomas Island Cyril E King
Sat 11/14
3:35 pm-10:18 am
2 stops19h 43m
$1,004
PhiladelphiaSaint Thomas Island
PHL - STT
PHLSTT
Philadelphia
Sat 11/28
10:30 am-4:20 pm
2 stops28h 50m
Saint Thomas Island Cyril E King
Fri 12/4
5:45 pm-5:22 pm
2 stops24h 37m
$1,020
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 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
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 $870). 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 6, 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 July 6, 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.
Entertainment
7.8
Crew
8.5
Comfort
7.8
Food
7.2
Boarding
8.1
Overall
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Crew
8.5
Comfort
7.8
Food
7.2
Boarding
8.1
Overall
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Crew
8.5
Comfort
7.8
Food
7.2
Boarding
8.1
Overall
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Crew
8.5
Comfort
7.8
Food
7.2
Boarding
8.1
Overall
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Crew
8.5
Comfort
7.8
Food
7.2
Boarding
8.1
Overall
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Crew
8.5
Comfort
7.8
Food
7.2
Boarding
8.1
Overall
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
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from Philadelphia
Popular flights
Saint Thomas Island flight routes
Alternative routes for Philadelphia to Saint Thomas Island
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Saint Thomas Island by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Philadelphia to Saint Thomas Island by cabin class
Find flights from Philadelphia to Saint Thomas Island, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Philadelphia and Saint Thomas Island flights
Browse other Philadelphia and Saint Thomas Island flight options. Last updated on July 6, 2026.
Other flights from Philadelphia
Browse through other flights departing from Philadelphia. Flights are based on user searches made on Cheapflights and were last updated on July 6, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 July 6, 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 July 6, 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$575 | Average$819 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$604 | Average$825 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$670 | Average$832 | FlexibilityNo cancel fee | On-time69% |