$230+ 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 9/14. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — STT
Jul 18 — Jul 251
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 18, 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 18, 2026.
This Justfly.com deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1512:00 pm
PHL
- STT
1 stop26h 41m
JetBlue
Tue 9/223:40 pm
STT
- PHL
1 stop19h 25m
JetBlue
Deal found 6/17![JetBlue logo]()
$446
This FlightHub deal was found by Cheapflights users on 6/17. 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 8/2412:04 pm
PHL
- STT
1 stop27h 28m
JetBlue
Fri 8/282:58 pm
STT
- PHL
2 stops16h 40m
JetBlue
Deal found 6/17![JetBlue logo]()
$466
This FlightHub deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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 6/15![JetBlue logo]()
$476
This Justfly.com deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1912:00 pm
PHL
- STT
1 stop26h 41m
JetBlue
Sat 9/263:40 pm
STT
- PHL
1 stop19h 25m
JetBlue
Deal found 6/16![JetBlue logo]()
$478
This FlightHub deal was found by Cheapflights users on 6/17. 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 8/1012:04 pm
PHL
- STT
1 stop27h 28m
JetBlue
Fri 8/142:58 pm
STT
- PHL
2 stops16h 40m
JetBlue
Deal found 6/17![JetBlue logo]()
$488
This Justfly.com deal was found by Cheapflights users on 6/17. 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 6/17![JetBlue logo]()
$498
This FlightHub deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2612:04 pm
PHL
- STT
1 stop27h 28m
JetBlue
Tue 9/12:58 pm
STT
- PHL
2 stops16h 40m
JetBlue
Deal found 6/17![JetBlue logo]()
$500
This FlightHub deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/1512:04 pm
PHL
- STT
1 stop27h 28m
JetBlue
Fri 8/212:58 pm
STT
- PHL
2 stops16h 40m
JetBlue
Deal found 6/15![JetBlue logo]()
$505
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 18, 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 18, 2026.
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/105:15 am
PHL
- STT
1 stop8h 19m
Delta
Sat 8/224:13 pm
STT
- PHL
1 stop9h 06m
Delta
Deal found 6/18![Delta logo]()
$670
This American Airlines deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/235:00 am
PHL
- STT
1 stop10h 55m
American Airlines
Sat 12/126:17 pm
STT
- PHL
1 stop7h 29m
American Airlines
Deal found 6/14![American Airlines logo]()
$670
This CheapOair deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/1112:38 pm
PHL
- STT
1 stop26h 10m
JetBlue
Sat 7/183:48 pm
STT
- PHL
1 stop19h 58m
JetBlue
Deal found 6/16![JetBlue logo]()
$800
This CheapOair deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/195:02 pm
PHL
- STT
2 stops21h 46m
Multiple Airlines
Sun 7/2611:26 am
STT
- PHL
1 stop24h 20m
Multiple Airlines
Deal found 6/13![Multiple Airlines logo]()
$815
This United Airlines deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/58:00 pm
PHL
- STT
2 stops19h 18m
United Airlines
Sat 12/123:35 pm
STT
- PHL
2 stops23h 47m
United Airlines
Deal found 6/16![United Airlines logo]()
$968
This American Airlines deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/196:00 am
PHL
- STT
1 stop7h 48m
American Airlines
Sun 7/264:50 pm
STT
- PHL
1 stop16h 48m
American Airlines
Deal found 6/13![American Airlines logo]()
$712
This United deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/16:00 am
PHL
- STT
2 stops11h 00m
Multiple Airlines
Thu 8/68:39 am
STT
- PHL
2 stops16h 18m
Multiple Airlines
Deal found 6/15![Multiple Airlines logo]()
$833
This Delta deal was found by Cheapflights users on 6/17. 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.
Sat 7/257:15 am
PHL
- STT
1 stop9h 22m
Delta
Wed 7/293:33 pm
STT
- PHL
1 stop9h 26m
Delta
Deal found 6/17![Delta logo]()
$908
This FlightHub deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/195:02 pm
PHL
- STT
2 stops21h 46m
JetBlue
Sun 7/263:38 pm
STT
- PHL
2 stops30h 51m
JetBlue
Deal found 6/13![JetBlue logo]()
$920
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/116:10 am
PHL
- STT
1 stop10h 50m
United Airlines
Sun 7/122:10 pm
STT
- PHL
2 stops19h 35m
United Airlines
Deal found 6/18![United Airlines logo]()
$984
This United Airlines deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/276:15 am
PHL
- STT
1 stop9h 28m
United Airlines
Sat 8/14:45 pm
STT
- PHL
1 stop6h 35m
United Airlines
Deal found 6/15![United Airlines logo]()
$1,030
Last-minute flights from Philadelphia to Saint Thomas IslandDiscover last-minute flight deals from Philadelphia to Saint Thomas Island. Data last updated June 18, 2026 and is based on user searches.
Discover last-minute flight deals from Philadelphia to Saint Thomas Island. Data last updated June 18, 2026 and is based on user searches.
This FlightHub deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/74:36 pm
PHL
- STT
2 stops22h 36m
JetBlue
Tue 7/142:53 pm
STT
- PHL
2 stops17h 37m
JetBlue
Deal found 6/15![JetBlue logo]()
$542
This Justfly.com deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/168:55 pm
PHL
- STT
1 stop17h 04m
JetBlue
Thu 7/233:38 pm
STT
- PHL
1 stop20h 08m
JetBlue
Deal found 6/16![JetBlue logo]()
$591
This FlightHub deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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 6/15![JetBlue logo]()
$476
This FlightHub deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/248:55 pm
PHL
- STT
1 stop16h 04m
JetBlue
Fri 7/312:49 pm
STT
- PHL
2 stops17h 44m
JetBlue
Deal found 6/16![JetBlue logo]()
$515
This FlightHub deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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 stops16h 40m
JetBlue
Deal found 6/16![JetBlue logo]()
$546
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 18, 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 18, 2026.
This Southwest deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/147:00 am
PHL
- STT
1 stop6h 50m
Southwest
Deal found 6/17![Southwest logo]()
$230
This Southwest deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/117:00 am
PHL
- STT
1 stop6h 50m
Southwest
Deal found 6/14![Southwest logo]()
$234
This Southwest deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/134:05 pm
PHL
- STT
2 stops21h 45m
Southwest
Deal found 6/14![Southwest logo]()
$240
This Justfly.com deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/108:55 pm
PHL
- STT
1 stop17h 08m
JetBlue
Deal found 6/14![JetBlue logo]()
$246
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.
Fri 8/1412:04 pm
PHL
- STT
1 stop27h 13m
JetBlue
Deal found 6/18![JetBlue logo]()
$247
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/168:55 pm
PHL
- STT
1 stop17h 04m
JetBlue
Deal found 6/18![JetBlue logo]()
$251
This Justfly.com deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1112:04 pm
PHL
- STT
1 stop27h 28m
JetBlue
Deal found 6/14![JetBlue logo]()
$252
This Priceline deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/138:55 pm
PHL
- STT
1 stop17h 08m
JetBlue
Deal found 6/16![JetBlue logo]()
$255
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/1512:04 pm
PHL
- STT
1 stop27h 28m
JetBlue
Deal found 6/18![JetBlue logo]()
$257
This Priceline deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/512:38 pm
PHL
- STT
1 stop26h 54m
JetBlue
Deal found 6/15![JetBlue logo]()
$262
This Justfly.com deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/138:55 pm
PHL
- STT
1 stop17h 08m
JetBlue
Deal found 6/14![JetBlue 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 June 18, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $446 (Justfly.com) |
One-way from | $230 (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 18, 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
Mon 8/10
5:15 am-1:34 pm
1 stop8h 19m
Saint Thomas Island Cyril E King
Sat 8/22
4:13 pm-1:19 am
1 stop9h 06m
$670
PhiladelphiaSaint Thomas Island
PHL - STT
PHLSTT
Philadelphia
Mon 11/23
5:00 am-4:55 pm
1 stop10h 55m
Saint Thomas Island Cyril E King
Sat 12/12
6:17 pm-12:46 am
1 stop7h 29m
$670
PhiladelphiaSaint Thomas Island
PHL - STT
PHLSTT
Philadelphia
Sun 7/19
6:00 am-1:48 pm
1 stop7h 48m
Saint Thomas Island Cyril E King
Sun 7/26
4:50 pm-9:38 am
1 stop16h 48m
$712
PhiladelphiaSaint Thomas Island
PHL - STT
PHLSTT
Philadelphia
Sat 7/11
12:38 pm-2:48 pm
1 stop26h 10m
Saint Thomas Island Cyril E King
Sat 7/18
3:48 pm-11:46 am
1 stop19h 58m
$800
PhiladelphiaSaint Thomas Island
PHL - STT
PHLSTT
Philadelphia
Sun 7/19
5:02 pm-2:48 pm
2 stops21h 46m
Saint Thomas Island Cyril E King
Sun 7/26
11:26 am-11:46 am
1 stop24h 20m
$815
PhiladelphiaSaint Thomas Island
PHL - STT
PHLSTT
Philadelphia
Sat 8/1
6:00 am-5:00 pm
2 stops11h 00m
Saint Thomas Island Cyril E King
Thu 8/6
8:39 am-12:57 am
2 stops16h 18m
$833
PhiladelphiaSaint Thomas Island
PHL - STT
PHLSTT
Philadelphia
Sat 7/25
7:15 am-4:37 pm
1 stop9h 22m
Saint Thomas Island Cyril E King
Wed 7/29
3:33 pm-12:59 am
1 stop9h 26m
$908
PhiladelphiaSaint Thomas Island
PHL - STT
PHLSTT
Philadelphia
Sun 7/19
5:02 pm-2:48 pm
2 stops21h 46m
Saint Thomas Island Cyril E King
Sun 7/26
3:38 pm-10:29 pm
2 stops30h 51m
$920
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
3:35 pm-2:22 pm
2 stops23h 47m
$968
PhiladelphiaSaint Thomas Island
PHL - STT
PHLSTT
Philadelphia
Sat 7/11
6:10 am-5:00 pm
1 stop10h 50m
Saint Thomas Island Cyril E King
Sun 7/12
2:10 pm-9:45 am
2 stops19h 35m
$984
Showing 1-10 of 23 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 $524). Flying from Philadelphia to Saint Thomas Island in December is currently the most expensive (average of $872). 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 18, 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 18, 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
Overall
7.8
Food
7.2
Boarding
8.1
Comfort
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Overall
7.8
Food
7.2
Boarding
8.1
Comfort
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Overall
7.8
Food
7.2
Boarding
8.1
Comfort
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Overall
7.8
Food
7.2
Boarding
8.1
Comfort
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Overall
7.8
Food
7.2
Boarding
8.1
Comfort
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Overall
7.8
Food
7.2
Boarding
8.1
Comfort
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Related info for your journey
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Top 5 airlines flying from Philadelphia to Saint Thomas Island
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| 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$818 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$604 | Average$825 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$670 | Average$781 | FlexibilityNo cancel fee | On-time69% |