Cheapest return flights from San Juan to St. Croix Island in May from $56
AirHint found the following cheapest return flights from San Juan (SJU) to St. Croix Island (STX) in May 2025 (see full year).
Return flights
| 18 May - 25 May | Frontier Airlines | direct | |
| 01 May - 05 May | Frontier Airlines | direct | |
| 03 May - 04 May | Silver Airways | direct | |
| 09 May - 11 May | Silver Airways | direct | |
| 02 May - 04 May | jetBlue | direct |
Also check the deals for one-way flights from San Juan to St. Croix Island in May.
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.
