San José (SJO) to Boston (BOS) flight deal in economy from $372

Extremely Rare Availability
1% of dates checked are available within 10% of the lowest price

Saturday, September 12th, 2026

2 round-trip options

Returning
Thu, Sep 17, 20265 Day Trip
$597 USD
Returning
Fri, Sep 25, 202613 Day Trip
$648 USD