AirHint found the following cheapest return flights from Boston (BOS) to San Jose (SJO) in June 2026 (see full year).
Return flights
| 17 Jun - 21 Jun | Copa | ||
| 08 Jun - 13 Jun | Spirit Airlines | ||
| 18 Jun - 21 Jun | Copa | ||
| 23 Jun - 06 Jul | Avianca | ||
| 22 Jun - 29 Jun | Spirit Airlines | ||
| 27 Jun - 04 Jul | Spirit Airlines | ||
| 22 Jun - 06 Jul | Spirit Airlines |
Also check the deals for one-way flights from Boston to San Jose in June.
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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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