Cheapest return flights from Boston to St. Thomas in May from 172€

Best time to book flights for Boston (BOS) to St. Thomas (STT) flights at AirHint

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

Return flights

06 May - 13 May Spirit Airlines
01 May - 08 May Spirit Airlines
13 May - 20 May United
14 May - 21 May United
08 May - 15 May United
15 May - 21 May United
09 May - 16 May United
16 May - 23 May United
26 May - 10 Jun United
11 May - 18 May United
29 May - 03 Jun United
16 May - 25 May United

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

Skyscanner

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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