Cheapest return flights from Boston to St. Thomas in July from 242€

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

Return flights

31 Jul - 04 Aug Spirit Airlines
31 Jul - 21 Aug Spirit Airlines
31 Jul - 07 Aug Spirit Airlines
30 Jul - 04 Aug Spirit Airlines
30 Jul - 07 Aug Spirit Airlines
19 Jul - 24 Jul jetBlue
21 Jul - 04 Aug Spirit Airlines
21 Jul - 07 Aug Spirit Airlines
19 Jul - 04 Aug Spirit Airlines
17 Jul - 04 Aug Spirit Airlines
19 Jul - 07 Aug Spirit Airlines
19 Jul - 21 Jul Spirit Airlines
17 Jul - 21 Jul Spirit Airlines
17 Jul - 24 Jul Spirit Airlines
23 Jul - 24 Jul Spirit Airlines
18 Jul - 21 Jul Spirit Airlines
20 Jul - 21 Jul Spirit Airlines
18 Jul - 24 Jul Spirit Airlines
16 Jul - 21 Jul Spirit Airlines
20 Jul - 24 Jul Spirit Airlines

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

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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