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

Friday, September 18th, 2026

2 round-trip options

Returning
Mon, Sep 28, 202610 Day Trip
$648 USD
Returning
Thu, Oct 1, 202613 Day Trip
$850 USD