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 14 days agoJuly 2026
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Fair Availability
20% of dates checked are available within 10% of the lowest price
Thursday, July 30th, 2026
9 round-trip options
Returning
Wed, Aug 5, 2026•6 Day Trip
$550 USD
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Thu, Aug 6, 2026•7 Day Trip
$704 USD
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Fri, Aug 7, 2026•8 Day Trip
$552 USD
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Sat, Aug 8, 2026•9 Day Trip
$644 USD
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Sun, Aug 9, 2026•10 Day Trip
$682 USD
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Mon, Aug 10, 2026•11 Day Trip
$676 USD
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Tue, Aug 11, 2026•12 Day Trip
$681 USD
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Wed, Aug 12, 2026•13 Day Trip
$776 USD
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Thu, Aug 13, 2026•14 Day Trip
$716 USD