Cheapest return flights from San Antonio to St. Thomas in April from $359

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

Return flights

25 Apr - 07 May Spirit Airlines
25 Apr - 13 May Spirit Airlines
28 Apr - 07 May Spirit Airlines
28 Apr - 13 May Spirit Airlines
28 Apr - 16 May Spirit Airlines
22 Apr - 07 May Spirit Airlines
25 Apr - 28 Apr Spirit Airlines
25 Apr - 04 May Spirit Airlines
28 Apr - 04 May Spirit Airlines
16 Apr - 22 Apr Spirit Airlines
22 Apr - 28 Apr Spirit Airlines
22 Apr - 04 May Spirit Airlines
16 Apr - 28 Apr Spirit Airlines
16 Apr - 04 May Spirit Airlines
22 Apr - 25 Apr Spirit Airlines
16 Apr - 25 Apr Spirit Airlines
19 Apr - 22 Apr Spirit Airlines
19 Apr - 28 Apr Spirit Airlines
19 Apr - 25 Apr Spirit Airlines
16 Apr - 19 Apr Spirit Airlines

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

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