AirHint found the following cheapest one-way flights from Boston (BOS) to San Jose (SJO) in April 2026 (see full year).
One-Way flights
| 06 Apr | Spirit Airlines | ||
| 11 Apr | Spirit Airlines | ||
| 02 Apr | Spirit Airlines | ||
| 05 Apr | Spirit Airlines | ||
| 16 Apr | Copa | ||
| 19 Apr | Copa | ||
| 21 Apr | Copa | ||
| 17 Apr | Copa |
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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