Cheapest return flights from Boston to St. Thomas in April from $224

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

Return flights

08 Apr - 13 Apr jetBlue
11 Apr - 14 Apr Spirit Airlines
08 Apr - 14 Apr Spirit Airlines
24 Apr - 02 May jetBlue
30 Apr - 07 May Spirit Airlines
08 Apr - 13 Apr Delta direct
15 Apr - 02 May Spirit Airlines
30 Apr - 02 May Spirit Airlines
02 Apr - 12 Apr Spirit Airlines
21 Apr - 07 May Spirit Airlines
21 Apr - 02 May Spirit Airlines
24 Apr - 07 May Spirit Airlines
02 Apr - 14 Apr Spirit Airlines
11 Apr - 13 Apr Spirit Airlines
30 Apr - 08 May Spirit Airlines
21 Apr - 08 May Spirit Airlines
02 Apr - 13 Apr Spirit Airlines
24 Apr - 08 May Spirit Airlines
08 Apr - 12 Apr Spirit Airlines
08 Apr - 27 Apr Spirit Airlines

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

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