Boston (BOS) to San José (SJO) flight deal in economy from $381
Logan International Airport
Boston, United States
Juan Santamaría International Airport (SJO)
San José, Costa Rica
$1,071 USD
-64%$381 USD
Verified about 7 hours agoSeptember 2026
Mon
Tue
Wed
Thu
Fri
Sat
Sun
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, 2026•5 Day Trip
$588 USD
Returning
Sat, Sep 12, 2026•11 Day Trip
$544 USD
