Seattle / Tacoma (SEA) to San José (SJO) flight deal from $450 USD in business class – flightdeals.net

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American Airlines

AAAmerican Airlines

One Way•Business Class

Seattle–Tacoma International Airport

Seattle / Tacoma, United States

Juan Santamaría International Airport (SJO)

San José, Costa Rica

$603 USD

-25%$450 USD

Verified Dec 1, 2025 at 4:14 AM

January 2026

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29$620 30$632 31$553 1$590 2$700 3$852 4$804 5$683 6$590 7$475 8$462 9$462 10$633 11$475 12$475 13$590 14$590 15$462 16$750 17$462 18$475 19$475 20$475 21$475 22$462 23$462 24$462 25$475 26$475 27$475 28$487 29$487 30$462 31$462 1

Fair Availability

21% of dates checked are available within 10% of the lowest price

Friday, January 16th, 2026

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