Boston (BOS) to San José (SJO) flight deal in economy from $381
BOSLogan International Airport
Boston, United States
SJOJuan Santamaría International Airport (SJO)
San José, Costa Rica
$1,071 USD
-64%$381 USD
Verified about 6 hours agoDecember 2026
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Extremely Rare Availability
1% of dates checked are available within 10% of the lowest price
Tuesday, December 8th, 2026
2 round-trip options
Returning
Fri, Dec 18, 2026•10 Day Trip
$718 USD
Returning
Sun, Dec 20, 2026•12 Day Trip
$641 USD