Cheapest return flights from Boston to St. Croix Island in December from $543

AirHint found the following cheapest return flights from Boston (BOS) to St. Croix Island (STX) in December 2025 (see full year).

Return flights

19 Dec - 26 Dec American Airlines
27 Dec - 02 Jan jetBlue
29 Dec - 02 Jan jetBlue
29 Dec - 17 Jan Spirit Airlines
26 Dec - 02 Jan jetBlue
29 Dec - 09 Jan Spirit Airlines
28 Dec - 04 Jan jetBlue
27 Dec - 03 Jan jetBlue
27 Dec - 04 Jan jetBlue
19 Dec - 02 Jan Spirit Airlines

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

Powered by

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.

Book a cheap hotel in St. Croix Island

Cheap car rent in St. Croix Island

Feel free to contact us with any feedback or request another flight research.