Cheapest one-way flights from Philadelphia to St. Thomas in February from $114

AirHint found the following cheapest one-way flights from Philadelphia (PHL) to St. Thomas (STT) in February 2026 (see full year).

One-Way flights

10 Feb Spirit Airlines
23 Feb Spirit Airlines
02 Feb Spirit Airlines
07 Feb Spirit Airlines
21 Feb Spirit Airlines
06 Feb Spirit Airlines
15 Feb Frontier Airlines
28 Feb Spirit Airlines
14 Feb Spirit Airlines
15 Feb American Airlines direct

Also check the deals for return flights from Philadelphia to St. Thomas in February.

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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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