Boston (BOS) to San José (SJO) flight deal from $439 USD in business class – flightdeals.net

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United Airlines

UAUnited Airlines

One Way•Business Class

Logan International Airport

Boston, United States

Juan Santamaría International Airport (SJO)

San José, Costa Rica

$692 USD

-37%$439 USD

Verified Mar 21, 2026 at 6:20 PM

April 2026

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30$454 31$590 1$664 2$1,442 3$729 4$733 5$875 6$664 7$439 8$550 9$508 10$508 11$439 12$439 13$439 14$439 15$468 16$581 17$695 18$468 19$468 20$452 21$452 22$439 23$439 24$439 25$439 26$439 27$439 28$439 29$439 30$669 1 2 3

Limited Availability

17% of dates checked are available within 10% of the lowest price

Wednesday, April 15th, 2026

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