Cheapest return flights from Austin to San Juan in April from 150€

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

Return flights

21 Apr - 25 Apr Spirit Airlines
11 Apr - 25 Apr Spirit Airlines
11 Apr - 14 Apr Spirit Airlines
11 Apr - 16 Apr Spirit Airlines
14 Apr - 21 Apr Spirit Airlines
10 Apr - 16 Apr Spirit Airlines
15 Apr - 20 Apr Spirit Airlines
10 Apr - 25 Apr Spirit Airlines
10 Apr - 14 Apr Spirit Airlines
16 Apr - 25 Apr Spirit Airlines
30 Apr - 13 May Spirit Airlines
30 Apr - 16 May Spirit Airlines
21 Apr - 11 May Spirit Airlines
30 Apr - 14 May Spirit Airlines
30 Apr - 15 May Spirit Airlines
30 Apr - 11 May Spirit Airlines
30 Apr - 18 May Spirit Airlines
30 Apr - 20 May Spirit Airlines
21 Apr - 10 May Spirit Airlines
16 Apr - 03 May Spirit Airlines

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

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