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Flights from Philadelphia to St Thomas Island, US Virgin Islands
Philadelphia to St Thomas Island Last modified: May 8, 2025 14:33 -04:00
We've scanned 122,775,531 round trip itineraries and found the cheapest flights to St Thomas Island. Frontier & Spirit frequently offer the best deals to St Thomas Island flights, or select your preferred carrier below to see the cheapest days to fly.
Where To Buy Cheap Flights from Philadelphia to St Thomas Island?
The best way to find a great deal on airfare is to search multiple sites. When you run a search on FareCompare, we search multiple sites and fare sources all at once so you don't have to - which is why we think FareCompare is the best place to find cheap tickets. Airlines can adjust prices for tickets from Philadelphia to St Thomas Island based on the day and time that you decide to book your flight. We have collected data from all airlines, and have found that Tuesdays, Wednesdays, and Saturdays are often the best days to book flights. If you'd like to learn more, read our article about the best time to buy airline tickets.
How far in advance should I book tickets from Philadelphia to St Thomas Island?
The chart below shows up-to-date information regarding how far in advance to book your flight from Philadelphia to St Thomas Island.
| Advanced Purchase | Non Stop | Connecting |
|---|---|---|
| < 7 days | $1,119 | $206 |
| 7-14 days | $1,049 | $266 |
| 14-21 days | $830 | $317 |
| 21-30 days | $1,604 | $206 |
| 30-60 days | $980 | $206 |
| 60-90 days | $1,000 | $369 |
| 90+ days | $640 | $375 |
Cheapest Day To Fly from Philadelphia to St Thomas Island
We've examined 245,551,062 itinerary searches that we've seen for departures in the next 90 days and found that the cheapest day to fly from Philadelphia to St Thomas Island is Sunday. See the chart below to compare prices for other days of the week.
Compare Flight Prices from Philadelphia to St Thomas Island by Month
Low priced flights are most commonly available by purchasing between one and three months in advance. International or holiday flights may need to be purchased even further in advance. The chart below shows the cheapest flight prices by month for Philadelphia to St Thomas Island flights.
| Month | Origin | Destination | Carrier | Depart Date | Return Date | Stops | Price |
|---|---|---|---|---|---|---|---|
| April | Philadelphia | St Thomas Island | Spirit | 4/30/25 | 5/14/25 | 1 | $560 |
| May | Philadelphia | St Thomas Island | Frontier | 5/5/25 | 5/19/25 | 1 | $206 |
| June | Philadelphia | St Thomas Island | Frontier | 6/9/25 | 6/13/25 | 1 | $206 |
Cheap Last Minute Flights from Philadelphia to St Thomas Island
Looking for cheap last minute flights or a weekend getaway? We've got you covered with weekend flight deals from Philadelphia to St Thomas Island. The chart below shows the best last minute deals and cheap flights this weekend we could find.
Next 30 Days
| Sun | Mon | Tue | Wed | Thu | Fri | Sat |
| 27 | 28 | 29 | 30 | 1 | 2 | 3 |
| $609 | ||||||
| 4 | 5 | 6 | 7 | 8 | 9 | 10 |
| $609 | $266 | |||||
| 11 | 12 | 13 | 14 | 15 | 16 | 17 |
| $266 | $337 | |||||
| 18 | 19 | 20 | 21 | 22 | 23 | 24 |
| $337 | $355 | |||||
| 25 | 26 | 27 | 28 | 29 | 30 | 31 |
| $355 | $312 | |||||
| 1 | 2 | 3 | 4 | 5 | 6 | 7 |
| $312 | ||||||
Connecting Flights vs Direct Flights from Philadelphia to St Thomas Island
Flights between some cities may be significantly cheaper if you choose a multi-stop airline ticket. Although these connecting flights sacrifice some convenience, on average, travelers save 20%-60% when they choose to fly multi-stop versus a direct flight.
The average price for connecting flights from Philadelphia to St Thomas Island is $324.
The average price for direct flights from Philadelphia to St Thomas Island is $905.
The chart below shows up to date information regarding non-stop flights from Philadelphia to St Thomas Island.
| Carrier | Mon | Tue | Wed | Thu | Fri | Sat | Sun | Earliest Flight | Latest Flight |
| American | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 03:10 | 03:10 |
One Way Flights vs Round Trip Flights from Philadelphia to St Thomas Island
We have found that there is often no price difference between buying a round trip flight versus a one way flight. Increased flexibility is the main benefit when it comes to buying a one way flight from Philadelphia to St Thomas Island. However, booking a round trip flight can be a simpler process. You can compare round trip and one way flights by using our flight comparison.
The average price for one way flights from Philadelphia to St Thomas Island is $190.
The average price for round trip flights from Philadelphia to St Thomas Island is $324.
Philadelphia to St Thomas Island Flight Questions
Below are some common questions that asked about this flight route:
Farecompare Research Tools
FareCompare's Flight Schedule Search Tool helps you find information about airline schedule filings, including flight numbers, depart times, and travel distance.
Cheap Domestic Flights from Philadelphia - PHL Last modified: May 8, 2025 14:33 -04:00
| Flights | Lowest Price |
| Philadelphia to San Juan, Puerto Rico | $225 |
Cheap International Flights from Philadelphia - PHL Last modified: May 8, 2025 14:33 -04:00
| Flights | Lowest Price |
| Philadelphia to St Croix Island | $317 |
Cheap Domestic Flights to St Thomas Island - STT Last modified: May 8, 2025 14:33 -04:00
Cheap International Flights to St Thomas Island - STT Last modified: May 8, 2025 14:33 -04:00
