Cheapest return flights from Boston to San Juan in April from 125€

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

Return flights

01 Apr - 07 Apr Spirit Airlines direct
01 Apr - 04 Apr Spirit Airlines direct
01 Apr - 03 Apr Spirit Airlines direct
01 Apr - 17 Apr Spirit Airlines direct
01 Apr - 13 Apr Spirit Airlines direct
01 Apr - 14 Apr Spirit Airlines direct
01 Apr - 10 Apr Spirit Airlines direct
01 Apr - 15 Apr Spirit Airlines direct
01 Apr - 21 Apr Spirit Airlines direct
11 Apr - 30 Apr Spirit Airlines
25 Apr - 14 May Spirit Airlines
28 Apr - 14 May Spirit Airlines
27 Apr - 14 May Spirit Airlines
24 Apr - 14 May Spirit Airlines
26 Apr - 14 May Spirit Airlines
28 Apr - 05 May Frontier Airlines
11 Apr - 01 May Spirit Airlines
22 Apr - 05 May Spirit Airlines
24 Apr - 09 May Spirit Airlines
14 Apr - 01 May Spirit Airlines

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

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