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 19th, 2026

2 round-trip options

Returning
Thu, Sep 24, 20265 Day Trip
$1,076 USD
Returning
Fri, Oct 2, 202613 Day Trip
$685 USD