Cheapest return flights from Boston to St. Croix Island in January from $228

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

Return flights

26 Jan - 07 Feb Spirit Airlines
10 Jan - 17 Jan Spirit Airlines
10 Jan - 26 Jan Spirit Airlines
26 Jan - 13 Feb Spirit Airlines
05 Jan - 17 Jan Spirit Airlines
06 Jan - 12 Jan jetBlue
05 Jan - 09 Jan Spirit Airlines
06 Jan - 11 Jan American Airlines
02 Jan - 17 Jan Spirit Airlines
02 Jan - 09 Jan Spirit Airlines

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

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