United flights from Seattle to Costa Rica from $ 506*

Find United's best fares from Seattle (SEA) to Costa Rica

$
Select travel class

*Prices have been available for round trips within the last 48 hours and may not be currently available. For Economy class, fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply.

Business class flights from Seattle (SEA) to Costa Rica

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Seattle (SEA)to

San Jose, CR (SJO)
11/25/24 - 12/03/24

Roundtrip

|

Business

from
$ 2,411*
Viewed: 1 day ago

Seattle (SEA)to

Liberia (Costa Rica) (LIR)
11/30/24 - 12/07/24

Roundtrip

|

Business

from
$ 2,413*
Viewed: 22 hours ago

*Prices have been available for round trips within the last 48 hours and may not be currently available. For Economy class, fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply.

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