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, July 31st, 2026

5 round-trip options

Returning
Thu, Aug 6, 20266 Day Trip
$1,436 USD
Returning
Fri, Aug 7, 20267 Day Trip
$1,528 USD
Returning
Sat, Aug 8, 20268 Day Trip
$1,528 USD
Returning
Wed, Aug 12, 202612 Day Trip
$1,325 USD
Returning
Fri, Aug 14, 202614 Day Trip
$1,325 USD