Cheapest return flights from Boston to St. Thomas in December from 306€

AirHint found the following cheapest return flights from Boston (BOS) to St. Thomas (STT) in December 2025 (see full year).

Return flights

31 Dec - 07 Jan Delta direct
11 Dec - 15 Dec United
12 Dec - 22 Dec Spirit Airlines
11 Dec - 22 Dec Spirit Airlines
14 Dec - 22 Dec Spirit Airlines
31 Dec - 09 Jan Spirit Airlines
06 Dec - 09 Dec United
03 Dec - 08 Dec United
12 Dec - 15 Dec Spirit Airlines
13 Dec - 20 Dec Spirit Airlines
31 Dec - 11 Jan Spirit Airlines
12 Dec - 31 Dec Spirit Airlines
11 Dec - 31 Dec Spirit Airlines
29 Dec - 09 Jan Spirit Airlines
22 Dec - 09 Jan Spirit Airlines
23 Dec - 09 Jan Spirit Airlines
29 Dec - 11 Jan Spirit Airlines
31 Dec - 19 Jan Spirit Airlines
29 Dec - 07 Jan Spirit Airlines
22 Dec - 11 Jan Spirit Airlines

Also check the deals for one-way flights from Boston to St. Thomas in December.

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