Find and book Finnair flights from Seattle

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Round-trip price per adult from
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Flight offers from Seattle (SEA)

SEA – HEL
Seattle - Helsinki
Wed 14 Jan 2026 – Thu 22 Jan 2026
From
804 USD

Cheap Finnair flights from Seattle and (SEA) airports

SEA – HEL
Seattle - Helsinki
Wed 14 Jan 2026 – Thu 22 Jan 2026
From
804 USD

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