Boston (BOS) to San José (SJO) flight deal in economy from $376
BOSLogan International Airport
Boston, United States
SJOJuan Santamaría International Airport (SJO)
San José, Costa Rica
$628 USD
-40%$376 USD
Verified 15 days agoDecember 2026
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Fair Availability
20% of dates checked are available within 10% of the lowest price
Saturday, December 19th, 2026
5 round-trip options
Returning
Sat, Dec 26, 2026•7 Day Trip
$1,390 USD
Returning
Mon, Dec 28, 2026•9 Day Trip
$1,357 USD
Returning
Wed, Dec 30, 2026•11 Day Trip
$1,459 USD
Returning
Thu, Dec 31, 2026•12 Day Trip
$1,489 USD
Returning
Fri, Jan 1, 2027•13 Day Trip
$1,782 USD