Boston (BOS) to San José (SJO) flight deal in economy from $381

Extremely Rare Availability
1% of dates checked are available within 10% of the lowest price

Tuesday, September 1st, 2026

2 round-trip options

Returning
Sun, Sep 6, 20265 Day Trip
$588 USD
Returning
Sat, Sep 12, 202611 Day Trip
$544 USD