Cheapest return flights from Baltimore (BWI) to St. Thomas (STT), September

Select a price to book. see full year.

Dates, airline, and price
Dates Airline Price
05 Sep 11 Sep Southwest Airlines
30 Sep 05 Oct Frontier Airlines
01 Sep 04 Sep Frontier Airlines
13 Sep 17 Sep Southwest Airlines
17 Sep 22 Sep Frontier Airlines
17 Sep 20 Sep Southwest Airlines
24 Sep 27 Sep Southwest Airlines
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deals for one-way flights from Baltimore to St. Thomas in September.

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Updated Jul 3, 2026.

About these fares

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