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

$295 USD

-40%$176 USD

Verified about 8 hours ago

June 2026

Mon

Tue

Wed

Thu

Fri

Sat

Sun

1 2 3$318 4$224 5$208 6$176 7$181 8$176 9$176 10$176 11$176 12$176 13$176 14$418 15$232 16$213 17$251 18$238 19$208 20$176 21$318 22$287 23$318 24$228 25$228 26$382 27$228 28$370 29$308 30$282 1$257 2$307 3$224 4$370 5$502

Fair Availability

36% of dates checked are available within 10% of the lowest price

Monday, June 1st, 2026

No flight details available for this date.