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

Thursday, September 3rd, 2026

2 round-trip options

Returning
Tue, Sep 8, 20265 Day Trip
$752 USD
Returning
Sun, Sep 13, 202610 Day Trip
$902 USD