Cheapest one-way flights from Boston to St. Thomas in December from 109€

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

One-Way flights

31 Dec Delta direct
17 Dec Spirit Airlines
29 Dec Delta direct
11 Dec Spirit Airlines
18 Dec Frontier Airlines
21 Dec Delta direct
25 Dec Delta direct
23 Dec Frontier Airlines
24 Dec Delta direct
23 Dec Delta direct

Also check the deals for return flights from Boston to St. Thomas in December.

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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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