Cheapest return flights from Philadelphia (PHL) to St. Thomas (STT), October

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Dates, airline, and price
Dates Airline Price
28 Oct 05 Nov Frontier Airlines
21 Oct 26 Oct Frontier Airlines
19 Oct 25 Oct Frontier Airlines
12 Oct 18 Oct Frontier Airlines
09 Oct 16 Oct Southwest Airlines
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deals for one-way flights from Philadelphia to St. Thomas in October.

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Updated Aug 25, 2026.

About these fares

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