Boston (BOS) to San José (SJO) flight deal in economy from $176
BOSLogan International Airport
Boston, United States
SJOJuan Santamaría International Airport (SJO)
San José, Costa Rica
$451 USD
-61%$176 USD
Verified 15 days agoAugust 2026
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Extremely Rare Availability
4% of dates checked are available within 10% of the lowest price
Friday, August 21st, 2026
Outbound Flights
7h 3m·1 stop
$176 USD
BOSAug 21 07:54
→FLLAug 21 11:20
B6 669Airbus A320
40m layover
FLLAug 21 12:00
→SJOAug 21 12:57
B6 39Airbus A320
9h 17m·1 stop
$295 USDBOSAug 21 05:16
→JFKAug 21 06:30
B6 917Airbus A320
2h 36m layover
JFKAug 21 09:06
→SJOAug 21 12:33
B6 1793Airbus A320