Find and book Finnair flights from Seattle

Your journey starts here

Round-trip price per adult from
–

Flight offers from Seattle (SEA)

SEA – HEL
Seattle - Helsinki
Mon 28 Sep 2026 – Tue 6 Oct 2026
From
1,018 USD

Cheap Finnair flights from Seattle and (SEA) airports

SEA – HEL
Seattle - Helsinki
Mon 28 Sep 2026 – Tue 6 Oct 2026
From
1,018 USD

Explore more flights and destinations

Seattle - Dublin
Seattle - Helsinki
Seattle - London