BOS to SJO from $381 in economy – flightdeals.net

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JetBlue Airways

B6JetBlue Airways

Round Trip•Economy

Logan International Airport

Boston, United States

Juan Santamaría International Airport (SJO)

San José, Costa Rica

$1,071 USD

-64%$381 USD

Verified about 7 hours ago

September 2026

Mon

Tue

Wed

Thu

Fri

Sat

Sun

31$544 1$544 2$664 3$683 4 5$664 6$543 7$499 8$533 9 10$718 11 12$492 13$641 14$431 15 16 17$597 18 19$564 20$543 21$619 22 23 24$1,092 25 26$589 27$543 28$574 29 30 1$958 2$685 3$564 4$574

Extremely Rare Availability

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

Sunday, September 20th, 2026

2 round-trip options

Returning

Fri, Sep 25, 2026•5 Day Trip

$543 USD

Returning

Thu, Oct 1, 2026•11 Day Trip

$641 USD