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 6 hours ago

October 2026

Mon

Tue

Wed

Thu

Fri

Sat

Sun

28$574 29 30 1$958 2$685 3$564 4$574 5$650 6 7 8$1,092 9$1,061 10$575 11$915 12$573 13$589 14$530 15$543 16$543 17$490 18$543 19$462 20$431 21$499 22$499 23$431 24$533 25$431 26$400 27$462 28$462 29$619 30$619 31$490 1$543

Extremely Rare Availability

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

Tuesday, October 20th, 2026

2 round-trip options

Returning

Sun, Oct 25, 2026•5 Day Trip

$770 USD

Returning

Sat, Oct 31, 2026•11 Day Trip

$431 USD