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
Tuesday, December 29th, 2026
5 round-trip options
Returning
Tue, Jan 5, 2027•7 Day Trip
$1,021 USD
Returning
Thu, Jan 7, 2027•9 Day Trip
$985 USD
Returning
Sat, Jan 9, 2027•11 Day Trip
$928 USD
Returning
Sun, Jan 10, 2027•12 Day Trip
$892 USD
Returning
Mon, Jan 11, 2027•13 Day Trip
$813 USD