AirHint found the following cheapest one-way flights from Boston (BOS) to San Jose (SJO) in September 2026 (see full year).
One-Way flights
| 08 Sep | Delta | ||
| 09 Sep | United | ||
| 14 Sep | Copa | ||
| 16 Sep | Copa | ||
| 17 Sep | Copa | ||
| 18 Sep | Copa | ||
| 19 Sep | Copa | ||
| 20 Sep | Copa | ||
| 21 Sep | Copa | ||
| 22 Sep | Copa |
Also check the deals for return flights from Boston to San Jose in September.
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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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