Cheapest return flights from Boston to St. Croix Island in April from $332

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

Return flights

11 Apr - 18 Apr Spirit Airlines
20 Apr - 02 May Spirit Airlines
11 Apr - 17 Apr Spirit Airlines
11 Apr - 20 Apr Spirit Airlines
17 Apr - 02 May Spirit Airlines
17 Apr - 20 Apr Spirit Airlines

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

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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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