Cheapest return flights from St. Thomas to San Juan in April from 228€

AirHint found the following cheapest return flights from St. Thomas (STT) to San Juan (SJU) in April 2026 (see full year).

Return flights

16 Apr - 21 Apr jetBlue direct
15 Apr - 21 Apr Spirit Airlines
15 Apr - 16 Apr Spirit Airlines
15 Apr - 17 Apr Spirit Airlines
17 Apr - 21 Apr Spirit Airlines
22 Apr - 10 May Spirit Airlines
22 Apr - 11 May Spirit Airlines
22 Apr - 02 May Spirit Airlines
15 Apr - 02 May Spirit Airlines
17 Apr - 02 May Spirit Airlines
10 Apr - 21 Apr Cape Air direct
10 Apr - 19 Apr Cape Air direct
01 Apr - 06 Apr Cape Air direct
15 Apr - 22 Apr Spirit Airlines
17 Apr - 22 Apr Spirit Airlines
19 Apr - 02 May Spirit Airlines
16 Apr - 02 May Spirit Airlines

Also check the deals for one-way flights from St. Thomas to San Juan 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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