Cheapest one-way flights from Boston to San Jose in April from 90€

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

One-Way flights

15 Apr United
08 Apr Spirit Airlines
22 Apr Spirit Airlines
28 Apr Spirit Airlines
14 Apr Spirit Airlines
07 Apr Spirit Airlines
18 Apr United
19 Apr United
06 Apr Spirit Airlines
13 Apr Spirit Airlines

Also check the deals for return flights from Boston to San Jose in April.

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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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