$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 8/31. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — STT
Jul 5 — Jul 121
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 5, 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 5, 2026.
This FlightHub deal was found by Cheapflights users on 6/2. 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.
Tue 8/412:38 pm
PHL
- STT
1 stop26h 17m
JetBlue
Tue 8/112:58 pm
STT
- PHL
2 stops16h 40m
JetBlue
Deal found 6/2![JetBlue logo]()
$448
This FlightHub deal was found by Cheapflights users on 6/1. 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.
Mon 8/38:55 pm
PHL
- STT
1 stop17h 08m
JetBlue
Fri 8/72:58 pm
STT
- PHL
2 stops16h 40m
JetBlue
Deal found 6/1![JetBlue logo]()
$455
This FlightHub deal was found by Cheapflights users on 6/1. 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.
Mon 7/208:55 pm
PHL
- STT
1 stop17h 08m
JetBlue
Fri 7/242:49 pm
STT
- PHL
2 stops17h 41m
JetBlue
Deal found 6/1![JetBlue logo]()
$457
This FlightHub deal was found by Cheapflights users on 6/1. 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 8/2212:04 pm
PHL
- STT
1 stop27h 28m
JetBlue
Sat 8/292:00 pm
STT
- PHL
2 stops17h 38m
JetBlue
Deal found 6/1![JetBlue logo]()
$466
This FlightHub deal was found by Cheapflights users on 6/2. 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 7/278:55 pm
PHL
- STT
1 stop17h 08m
JetBlue
Fri 7/312:49 pm
STT
- PHL
2 stops29h 11m
JetBlue
Deal found 6/2![JetBlue logo]()
$467
This FlightHub deal was found by Cheapflights users on 6/3. 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 FlightHub 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
Tue 8/182:58 pm
STT
- PHL
2 stops16h 40m
JetBlue
Deal found 6/3![JetBlue logo]()
$468
This FlightHub deal was found by Cheapflights users on 6/1. 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.
Mon 6/158:55 pm
PHL
- STT
1 stop17h 08m
JetBlue
Fri 6/193:18 pm
STT
- PHL
2 stops16h 20m
JetBlue
Deal found 6/1![JetBlue logo]()
$490
This FlightHub deal was found by Cheapflights users on 6/4. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/712:04 pm
PHL
- STT
1 stop27h 13m
JetBlue
Tue 8/112:58 pm
STT
- PHL
2 stops16h 40m
JetBlue
Deal found 6/4![JetBlue logo]()
$500
Best flights from Philadelphia to Saint Thomas IslandDiscover carefully curated flight deals from Philadelphia to Saint Thomas Island that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 5, 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 5, 2026.
This American Airlines deal was found by Cheapflights users on 6/4. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/146:00 am
PHL
- STT
1 stop8h 59m
American Airlines
Mon 8/174:42 pm
STT
- PHL
1 stop16h 19m
American Airlines
Deal found 6/4![American Airlines logo]()
$650
This United Airlines deal was found by Cheapflights users on 6/1. 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 10/246:15 am
PHL
- STT
1 stop6h 43m
United Airlines
Sat 10/312:05 pm
STT
- PHL
1 stop9h 02m
United Airlines
Deal found 6/1![United Airlines logo]()
$680
This FlightHub deal was found by Cheapflights users on 5/31. 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 7/139:20 am
PHL
- STT
1 stop28h 43m
JetBlue
Sat 7/183:48 pm
STT
- PHL
2 stops30h 41m
JetBlue
Deal found 5/31![JetBlue logo]()
$837
This Southwest deal was found by Cheapflights users on 5/31. 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 10/186:10 pm
PHL
- STT
2 stops19h 50m
Southwest
Fri 10/232:45 pm
STT
- PHL
2 stops20h 50m
Southwest
Deal found 5/31![Southwest logo]()
$860
This American Airlines deal was found by Cheapflights users on 6/4. 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 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 6/4![American Airlines logo]()
$685
This United Airlines deal was found by Cheapflights users on 6/4. 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 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
Sat 7/182:10 pm
STT
- PHL
1 stop10h 47m
United Airlines
Deal found 6/4![United Airlines logo]()
$766
This American Airlines deal was found by Cheapflights users on 5/31. 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.
Wed 7/87:55 pm
PHL
- STT
1 stop17h 04m
American Airlines
Sun 7/125:01 pm
STT
- PHL
1 stop14h 26m
American Airlines
Deal found 5/31![American Airlines logo]()
$715
This United Airlines deal was found by Cheapflights users on 6/2. 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 7/257:45 pm
PHL
- STT
2 stops17h 23m
United Airlines
Sat 8/14:45 pm
STT
- PHL
1 stop6h 35m
United Airlines
Deal found 6/2![United Airlines logo]()
$766
This United Airlines deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/76:15 am
PHL
- STT
1 stop9h 28m
United Airlines
Sun 7/122:10 pm
STT
- PHL
2 stops9h 10m
United Airlines
Deal found 5/31![United Airlines logo]()
$793
This United Airlines deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/86:10 am
PHL
- STT
1 stop6h 10m
United Airlines
Sun 7/122:10 pm
STT
- PHL
2 stops9h 10m
United Airlines
Deal found 5/31![United Airlines logo]()
$793
Last-minute flights from Philadelphia to Saint Thomas IslandDiscover last-minute flight deals from Philadelphia to Saint Thomas Island. Data last updated June 5, 2026 and is based on user searches.
Discover last-minute flight deals from Philadelphia to Saint Thomas Island. Data last updated June 5, 2026 and is based on user searches.
This FlightHub deal was found by Cheapflights users on 6/2. 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.
Fri 6/128:55 pm
PHL
- STT
1 stop16h 05m
JetBlue
Fri 6/193:18 pm
STT
- PHL
2 stops16h 20m
JetBlue
Deal found 6/2![JetBlue logo]()
$587
This FlightHub deal was found by Cheapflights users on 6/1. 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.
Mon 6/158:55 pm
PHL
- STT
1 stop17h 08m
JetBlue
Fri 6/193:18 pm
STT
- PHL
2 stops16h 20m
JetBlue
Deal found 6/1![JetBlue logo]()
$490
This FlightHub deal was found by Cheapflights users on 6/1. 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.
Sun 7/512:04 pm
PHL
- STT
1 stop27h 08m
JetBlue
Tue 7/72:57 pm
STT
- PHL
2 stops16h 47m
JetBlue
Deal found 6/1![JetBlue logo]()
$535
This FlightHub deal was found by Cheapflights users on 6/2. 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.
Fri 7/108:55 pm
PHL
- STT
1 stop16h 04m
JetBlue
Tue 7/142:53 pm
STT
- PHL
2 stops17h 37m
JetBlue
Deal found 6/2![JetBlue logo]()
$517
This FlightHub deal was found by Cheapflights users on 6/1. 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.
Mon 7/208:55 pm
PHL
- STT
1 stop17h 08m
JetBlue
Fri 7/242:49 pm
STT
- PHL
2 stops17h 41m
JetBlue
Deal found 6/1![JetBlue logo]()
$457
This FlightHub deal was found by Cheapflights users on 6/5. 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 7/248:55 pm
PHL
- STT
1 stop16h 04m
JetBlue
Fri 7/312:49 pm
STT
- PHL
2 stops17h 44m
JetBlue
Deal found 6/5![JetBlue logo]()
$558
This FlightHub deal was found by Cheapflights users on 6/2. 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 7/278:55 pm
PHL
- STT
1 stop17h 08m
JetBlue
Fri 7/312:49 pm
STT
- PHL
2 stops29h 11m
JetBlue
Deal found 6/2![JetBlue logo]()
$467
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 5, 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 5, 2026.
This Southwest deal was found by Cheapflights users on 6/3. 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.
Mon 8/317:00 am
PHL
- STT
1 stop6h 50m
Southwest
Deal found 6/3![Southwest logo]()
$230
This Southwest deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/287:00 am
PHL
- STT
1 stop6h 50m
Southwest
Deal found 5/31![Southwest logo]()
$234
This Justfly.com deal was found by Cheapflights users on 6/4. 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.
Thu 7/308:55 pm
PHL
- STT
1 stop17h 04m
JetBlue
Deal found 6/4![JetBlue logo]()
$236
This Southwest deal was found by Cheapflights users on 6/3. 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 8/304:35 pm
PHL
- STT
2 stops21h 15m
Southwest
Deal found 6/3![Southwest logo]()
$240
This Justfly.com deal was found by Cheapflights users on 6/2. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2812:04 pm
PHL
- STT
1 stop27h 13m
JetBlue
Deal found 6/2![JetBlue logo]()
$242
This Justfly.com deal was found by Cheapflights users on 6/5. 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.
Mon 8/38:55 pm
PHL
- STT
1 stop17h 08m
JetBlue
Deal found 6/5![JetBlue logo]()
$246
This Justfly.com deal was found by Cheapflights users on 6/1. 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.
Mon 7/279:20 am
PHL
- STT
1 stop28h 43m
JetBlue
Deal found 6/1![JetBlue logo]()
$252
This Priceline deal was found by Cheapflights users on 6/2. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/299:29 pm
PHL
- STT
1 stop16h 34m
JetBlue
Deal found 6/2![JetBlue logo]()
$256
This FlightHub deal was found by Cheapflights users on 6/3. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/16:00 am
PHL
- STT
2 stops9h 32m
JetBlue
Deal found 6/3![JetBlue logo]()
$262
This American Airlines deal was found by Cheapflights users on 5/31. 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.
Wed 8/265:40 pm
PHL
- STT
2 stops19h 13m
American Airlines
Deal found 5/31![American Airlines logo]()
$265
This American Airlines deal was found by Cheapflights users on 5/31. 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.
Tue 8/257:50 pm
PHL
- STT
2 stops17h 03m
American Airlines
Deal found 5/31![American Airlines logo]()
$270
Find flight deals from Philadelphia to Saint Thomas Island
Discover tips and strategies to find the most affordable flight options for your journey from Philadelphia (PHL) to Saint Thomas Island (STT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 5, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $448 (FlightHub) |
One-way from | $230 (Southwest) |
Popular in | December |
Cheapest in | November |
Average price | $692 |
Good round-trip deal | $890 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 5, 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 8/14
6:00 am-2:59 pm
1 stop8h 59m
Saint Thomas Island Cyril E King
Mon 8/17
4:42 pm-9:01 am
1 stop16h 19m
$650
PhiladelphiaSaint Thomas Island
PHL - STT
PHLSTT
Philadelphia
Sat 10/24
6:15 am-12:58 pm
1 stop6h 43m
Saint Thomas Island Cyril E King
Sat 10/31
2:05 pm-11:07 pm
1 stop9h 02m
$680
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
$685
PhiladelphiaSaint Thomas Island
PHL - STT
PHLSTT
Philadelphia
Wed 7/8
7:55 pm-12:59 pm
1 stop17h 04m
Saint Thomas Island Cyril E King
Sun 7/12
5:01 pm-7:27 am
1 stop14h 26m
$715
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
Sat 7/18
2:10 pm-12:57 am
1 stop10h 47m
$766
PhiladelphiaSaint Thomas Island
PHL - STT
PHLSTT
Philadelphia
Sat 7/25
7:45 pm-1:08 pm
2 stops17h 23m
Saint Thomas Island Cyril E King
Sat 8/1
4:45 pm-11:20 pm
1 stop6h 35m
$766
PhiladelphiaSaint Thomas Island
PHL - STT
PHLSTT
Philadelphia
Tue 7/7
6:15 am-3:43 pm
1 stop9h 28m
Saint Thomas Island Cyril E King
Sun 7/12
2:10 pm-11:20 pm
2 stops9h 10m
$793
Quickest round-trip
PhiladelphiaSaint Thomas Island
PHL - STT
PHLSTT
Philadelphia
Wed 7/8
6:10 am-12:20 pm
1 stop6h 10m
Saint Thomas Island Cyril E King
Sun 7/12
2:10 pm-11:20 pm
2 stops9h 10m
$793
PhiladelphiaSaint Thomas Island
PHL - STT
PHLSTT
Philadelphia
Mon 7/13
9:20 am-2:03 pm
1 stop28h 43m
Saint Thomas Island Cyril E King
Sat 7/18
3:48 pm-10:29 pm
2 stops30h 41m
$837
PhiladelphiaSaint Thomas Island
PHL - STT
PHLSTT
Philadelphia
Sun 10/18
6:10 pm-2:00 pm
2 stops19h 50m
Saint Thomas Island Cyril E King
Fri 10/23
2:45 pm-11:35 am
2 stops20h 50m
$860
Showing 1-10 of 21 resultsSorted by cheapest first
Compare providers for flights from Philadelphia to Saint Thomas Island
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Philadelphia to Saint Thomas Island in 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 $536). Flying from Philadelphia to Saint Thomas Island in December is currently the most expensive (average of $902). 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 5, 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 5, 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.
Crew
8.5
Overall
7.9
Comfort
7.8
Boarding
8.1
Entertainment
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Overall
7.9
Comfort
7.8
Boarding
8.1
Entertainment
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Overall
7.9
Comfort
7.8
Boarding
8.1
Entertainment
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Overall
7.9
Comfort
7.8
Boarding
8.1
Entertainment
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Overall
7.9
Comfort
7.8
Boarding
8.1
Entertainment
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Overall
7.9
Comfort
7.8
Boarding
8.1
Entertainment
7.8
Food
7.2
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$571 | Average$821 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$604 | Average$825 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$670 | Average$781 | FlexibilityNo cancel fee | On-time69% |