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Boston (BOS) to San José (SJO) flight deal in economy from $176

United AirlinesUAUnited Airlines
One Way•Economy
United StatesBOS

Logan International Airport

Boston, United States
Costa RicaSJO

Juan Santamaría International Airport (SJO)

San José, Costa Rica
$295 USD
-40%$176 USD
Verified about 5 hours ago

August 2026

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Fair Availability
36% of dates checked are available within 10% of the lowest price

Sunday, August 2nd, 2026

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