Cheapest return flights from San Juan to St. Croix Island in May from 303€

AirHint found the following cheapest return flights from San Juan (SJU) to St. Croix Island (STX) in May 2026 (see full year).

Return flights

08 May - 10 May Frontier Airlines
08 May - 11 May Frontier Airlines
01 May - 03 May Frontier Airlines
01 May - 04 May Frontier Airlines
07 May - 10 May Cape Air direct
14 May - 17 May Cape Air direct
15 May - 17 May Cape Air direct
15 May - 18 May Cape Air direct
22 May - 25 May Cape Air direct
28 May - 31 May Cape Air direct
29 May - 01 Jun Cape Air direct

Also check the deals for one-way flights from San Juan to St. Croix Island in May.

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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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