Cheapest return BOS–STT flights, May

AirHint found the following cheapest return flights from Boston (BOS) to St. Thomas (STT) in May 2026 (see full year).

Return flights

16 May - 20 May United
16 May - 19 May United
16 May - 23 May United
30 May - 02 Jun United
05 May - 12 May Delta
30 May - 01 Jun United
29 May - 31 May Delta
31 May - 02 Jun United
29 May - 01 Jun Delta
31 May - 01 Jun United
29 May - 02 Jun United

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

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