Boston (BOS) to San José (SJO) cheap flight deal from $251 USD in economy class

B6JetBlue Airways

Round Trip•Economy

BOS

Logan International Airport

Boston, United States

SJO

Juan Santamaría International Airport (SJO)

San José, Costa Rica

$486 USD

-48%$251 USD

Verified Sep 21, 2025 at 5:32 PM

October 2025

Today

Mon

Tue

Wed

Thu

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Sun

29$399 30$351 1$420 2$443 3$252 4$280 5$407 6$613 7$487 8$412 9$447 10$560 11$548 12$383 13$412 14$487 15$374 16$539 17$374 18$531 19$374 20$324 21$324 22$324 23$374 24$374 25$374 26$374 27$252 28$252 29$274 30$301 31$324 1 2

Limited Availability

17% of dates checked are available within 10% of the lowest price

Monday, October 27th, 2025

10 round-trip options

Returning

Sat, Nov 1, 2025•5 Day Trip

$252 USD

Google Flights

Returning

Sun, Nov 2, 2025•6 Day Trip

$407 USD

Google Flights

Returning

Mon, Nov 3, 2025•7 Day Trip

$252 USD

Google Flights

Returning

Tue, Nov 4, 2025•8 Day Trip

$252 USD

Google Flights

Returning

Wed, Nov 5, 2025•9 Day Trip

$252 USD

Google Flights

Returning

Thu, Nov 6, 2025•10 Day Trip

$252 USD

Google Flights

Returning

Fri, Nov 7, 2025•11 Day Trip

$252 USD

Google Flights

Returning

Sat, Nov 8, 2025•12 Day Trip

$252 USD

Google Flights

Returning

Sun, Nov 9, 2025•13 Day Trip

$616 USD

Google Flights

Returning

Mon, Nov 10, 2025•14 Day Trip

$316 USD

Google Flights