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 7 hours agoAugust 2026
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Extremely Rare Availability
1% of dates checked are available within 10% of the lowest price
Tuesday, August 18th, 2026
6 round-trip options
Returning
Sun, Aug 23, 2026•5 Day Trip
$1,204 USD
Returning
Mon, Aug 24, 2026•6 Day Trip
$1,058 USD
Returning
Tue, Aug 25, 2026•7 Day Trip
$1,807 USD
Returning
Fri, Aug 28, 2026•10 Day Trip
$1,140 USD
Returning
Sat, Aug 29, 2026•11 Day Trip
$1,140 USD
Returning
Sun, Aug 30, 2026•12 Day Trip
$1,374 USD