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

Monday, September 21st, 2026

3 round-trip options

Returning
Sat, Sep 26, 20265 Day Trip
$601 USD
Returning
Thu, Oct 1, 202610 Day Trip
$850 USD
Returning
Sun, Oct 4, 202613 Day Trip
$648 USD