Seattle to Helsinki, Finland for only $452 roundtrip

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Cheap flights from Seattle to Helsinki, Finland for only $452 roundtrip with Scandinavian Airlines.

The example dates listed below range between $452 and $465 roundtrip.

DEPART:
Seattle, USA

ARRIVE:
Helsinki, Finland

RETURN:
Seattle, USA

DATES:
Availability from September to October 2026

Example dates:
1st-9th Sep
13th-22nd Sep
13th-27th Sep
15th-22nd Sep
15th-27th Sep
15th-28th Sep
15th-29th Sep
20th-27th Sep
20th-28th Sep
20th-29th Sep
21st Sep – 1st Oct
22nd-29th Sep

and more…

STOPS:
Copenhagen
Stockholm

AIRLINES:
Scandinavian Airlines
Norwegian Air Sweden