Boston (BOS) to San José (SJO) flight deal from $274 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

$572 USD

-52%$274 USD

Verified Nov 29, 2025 at 4:13 PM

January 2026

Today

Mon

Tue

Wed

Thu

Fri

Sat

Sun

29$550 30$495 31$495 1$544 2$616 3$616 4$495 5$356 6$454 7$425 8$466 9$396 10$466 11$466 12$425 13$394 14$368 15$493 16$315 17$340 18$397 19$368 20$368 21$390 22$390 23$390 24$361 25$361 26$361 27$361 28$361 29$361 30$361 31$390 1

Extremely Rare Availability

1% of dates checked are available within 10% of the lowest price

Thursday, January 22nd, 2026

10 round-trip options

Returning

Tue, Jan 27, 2026•5 Day Trip

$423 USD

Google Flights

Returning

Wed, Jan 28, 2026•6 Day Trip

$397 USD

Google Flights

Returning

Thu, Jan 29, 2026•7 Day Trip

$397 USD

Google Flights

Returning

Fri, Jan 30, 2026•8 Day Trip

$397 USD

Google Flights

Returning

Sat, Jan 31, 2026•9 Day Trip

$425 USD

Google Flights

Returning

Sun, Feb 1, 2026•10 Day Trip

$616 USD

Google Flights

Returning

Mon, Feb 2, 2026•11 Day Trip

$425 USD

Google Flights

Returning

Tue, Feb 3, 2026•12 Day Trip

$425 USD

Google Flights

Returning

Wed, Feb 4, 2026•13 Day Trip

$390 USD

Google Flights

Returning

Thu, Feb 5, 2026•14 Day Trip

$397 USD

Google Flights