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

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United Airlines

UAUnited Airlines

Round Trip•Economy

Juan Santamaría International Airport (SJO)

San José, Costa Rica

Logan International Airport

Boston, United States

$725 USD

-47%$381 USD

Verified about 8 hours ago

June 2026

Mon

Tue

Wed

Thu

Fri

Sat

Sun

1 2 3 4$383 5$383 6$383 7$383 8$383 9$383 10$383 11$383 12$383 13$383 14$434 15$592 16$449 17$449 18$554 19$508 20$638 21$770 22$489 23$489 24$671 25$594 26$501 27$594 28$683 29$621 30$621 1$628 2$678 3$755 4$717 5$762

Rare Availability

8% of dates checked are available within 10% of the lowest price

Monday, June 1st, 2026

0 round-trip options

No flight details available for this date.