Cheapest return flights from Boston to St. Thomas in December from 285€

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

Return flights

30 Dec - 08 Jan Delta direct
17 Dec - 26 Dec Spirit Airlines
11 Dec - 15 Dec Spirit Airlines
11 Dec - 26 Dec Spirit Airlines
17 Dec - 28 Dec Spirit Airlines
11 Dec - 28 Dec Spirit Airlines
18 Dec - 26 Dec Frontier Airlines
22 Dec - 27 Dec Delta direct
19 Dec - 24 Dec Spirit Airlines
19 Dec - 23 Dec Spirit Airlines
08 Dec - 12 Dec United
30 Dec - 06 Jan Spirit Airlines
30 Dec - 06 Jan Delta direct
29 Dec - 01 Jan Delta direct
23 Dec - 02 Jan Frontier Airlines
23 Dec - 03 Jan Frontier Airlines
29 Dec - 03 Jan Frontier Airlines
23 Dec - 02 Jan Delta direct
29 Dec - 03 Jan Delta direct
23 Dec - 03 Jan Delta direct

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

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