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 agoAugust 2026
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Fair Availability
20% of dates checked are available within 10% of the lowest price
Thursday, August 27th, 2026
9 round-trip options
Returning
Wed, Sep 2, 2026•6 Day Trip
$587 USD
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Thu, Sep 3, 2026•7 Day Trip
$618 USD
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Fri, Sep 4, 2026•8 Day Trip
$622 USD
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Sat, Sep 5, 2026•9 Day Trip
$386 USD
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Sun, Sep 6, 2026•10 Day Trip
$494 USD
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Mon, Sep 7, 2026•11 Day Trip
$712 USD
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Tue, Sep 8, 2026•12 Day Trip
$427 USD
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Wed, Sep 9, 2026•13 Day Trip
$442 USD
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Thu, Sep 10, 2026•14 Day Trip
$442 USD