Cheapest return flights from Boston to San Jose in April from $256

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

Return flights

23 Apr - 29 Apr United
30 Apr - 07 May Copa
06 Apr - 13 Apr Copa
22 Apr - 05 May Spirit Airlines
12 Apr - 16 Apr Frontier Airlines
22 Apr - 30 Apr Spirit Airlines
22 Apr - 06 May Spirit Airlines
22 Apr - 12 May Spirit Airlines
11 Apr - 15 Apr Spirit Airlines
15 Apr - 16 Apr Spirit Airlines
15 Apr - 05 May Spirit Airlines
15 Apr - 30 Apr Spirit Airlines
15 Apr - 17 Apr Spirit Airlines
15 Apr - 06 May Spirit Airlines
22 Apr - 07 May Spirit Airlines
23 Apr - 05 May Spirit Airlines
30 Apr - 05 May Spirit Airlines
23 Apr - 30 Apr Spirit Airlines
23 Apr - 06 May Spirit Airlines
11 Apr - 16 Apr Spirit Airlines

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

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