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 5 hours agoOctober 2026
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Extremely Rare Availability
1% of dates checked are available within 10% of the lowest price
Thursday, October 29th, 2026
2 round-trip options
Returning
Tue, Nov 3, 2026•5 Day Trip
$650 USD
Returning
Mon, Nov 9, 2026•11 Day Trip
$619 USD
