AirHint found the following cheapest return flights from Boston (BOS) to San Jose (SJO) in April 2026 (see full year).
Return flights
| 08 Apr - 12 Apr | Copa | ||
| 19 Apr - 02 May | Copa | ||
| 25 Apr - 02 May | Copa | ||
| 18 Apr - 25 Apr | Copa |
Also check the deals for one-way flights from Boston to San Jose in April.
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