Cheapest return flights from Philadelphia to St. Thomas in August from 238€

AirHint found the following cheapest return flights from Philadelphia (PHL) to St. Thomas (STT) in August 2025 (see full year).

Return flights

19 Aug - 25 Aug Spirit Airlines
14 Aug - 25 Aug Spirit Airlines
11 Aug - 12 Aug Spirit Airlines
11 Aug - 25 Aug Spirit Airlines
17 Aug - 05 Sep Spirit Airlines
20 Aug - 05 Sep Spirit Airlines
19 Aug - 05 Sep Spirit Airlines
30 Aug - 05 Sep Spirit Airlines
17 Aug - 25 Aug Spirit Airlines
20 Aug - 25 Aug Spirit Airlines
01 Aug - 12 Aug Spirit Airlines
19 Aug - 22 Aug Spirit Airlines
14 Aug - 22 Aug Spirit Airlines
11 Aug - 22 Aug Spirit Airlines
22 Aug - 05 Sep Spirit Airlines
21 Aug - 05 Sep Spirit Airlines
19 Aug - 03 Sep Spirit Airlines
14 Aug - 03 Sep Spirit Airlines
30 Aug - 03 Sep Spirit Airlines
17 Aug - 03 Sep Spirit Airlines

Also check the deals for one-way flights from Philadelphia to St. Thomas in August.

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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