Cheapest return flights from St. Thomas to San Juan in April from 117€

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

Return flights

07 Apr - 08 Apr jetBlue direct
15 Apr - 17 Apr Spirit Airlines
15 Apr - 24 Apr Spirit Airlines
15 Apr - 16 Apr Spirit Airlines
15 Apr - 23 Apr Spirit Airlines
19 Apr - 24 Apr Spirit Airlines
20 Apr - 24 Apr Spirit Airlines
15 Apr - 01 May Spirit Airlines
19 Apr - 23 Apr Spirit Airlines
20 Apr - 23 Apr Spirit Airlines
19 Apr - 01 May Spirit Airlines
20 Apr - 01 May Spirit Airlines
15 Apr - 30 Apr Spirit Airlines
19 Apr - 07 May Spirit Airlines
20 Apr - 07 May Spirit Airlines
26 Apr - 01 May Spirit Airlines
26 Apr - 14 May Spirit Airlines
26 Apr - 15 May Spirit Airlines
26 Apr - 07 May Spirit Airlines
19 Apr - 08 May Spirit Airlines

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

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