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
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Extremely Rare Availability
1% of dates checked are available within 10% of the lowest price
Friday, December 18th, 2026
2 round-trip options
Returning
Mon, Dec 28, 2026•10 Day Trip
$1,570 USD
Returning
Wed, Dec 30, 2026•12 Day Trip
$1,833 USD