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 agoOctober 2026
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Fair Availability
20% of dates checked are available within 10% of the lowest price
Tuesday, October 13th, 2026
7 round-trip options
Returning
Sun, Oct 18, 2026•5 Day Trip
$433 USD
Returning
Mon, Oct 19, 2026•6 Day Trip
$427 USD
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Wed, Oct 21, 2026•8 Day Trip
$433 USD
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Fri, Oct 23, 2026•10 Day Trip
$427 USD
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Sat, Oct 24, 2026•11 Day Trip
$427 USD
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Sun, Oct 25, 2026•12 Day Trip
$427 USD
Returning
Mon, Oct 26, 2026•13 Day Trip
$427 USD