BOS to SJO from $176 in economy – flightdeals.net

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United Airlines

UAUnited Airlines

One Way•Economy

Logan International Airport

Boston, United States

Juan Santamaría International Airport (SJO)

San José, Costa Rica

$239 USD

-26%$176 USD

Verified 14 days ago

July 2026

Mon

Tue

Wed

Thu

Fri

Sat

Sun

29 30 1 2 3 4 5$181 6$306 7$213 8$329 9$310 10$311 11$378 12$510 13$410 14$329 15$462 16$442 17$378 18$512 19$635 20$406 21$311 22$378 23$311 24$412 25$311 26$506 27$311 28$181 29$233 30$191 31$410 1$311 2$434

Good Availability

50% of dates checked are available within 10% of the lowest price

Friday, July 3rd, 2026

No flight details available for this date.