HEL → SEA
Cheap flights from Helsinki to Seattle
We track fares from Helsinki to Seattle, United States every day. Across 50 prices we've logged, the cheapest was €598 return and a typical fare runs around €712. The cheapest month to fly is usually Oct 2026.
Cheapest seen
€598
Typical price
€712
Cheapest month
Oct 2026
Non-stop
With a stop
No live deal on this exact route right now — but the typical fare is around €712. Search your dates below, or browse all deals to United States.
Cheapest months to fly
The typical cheapest fare by month, from our tracking — a guide only. Check the live price on Aviasales before booking.
| Month | Typical from | Check price |
|---|---|---|
| Oct 2026 | €598 | Check on Aviasales → |
Each link opens the live Aviasales search for that month, where you can pick the exact cheapest dates.
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Helsinki to Seattle: the basics
- Route
- Helsinki (HEL) → Seattle (SEA)
- Distance
- 7,673 km
- Non-stop
- No (with a stop)
- Airlines seen
- Finnair, airBaltic, KLM, SAS
Planning the trip? United States: what to see and when to go covers where to go and when.
Where these flights connect
There is no non-stop flight from Helsinki to Seattle. Based on the airlines that fly this route, connections are usually through Amsterdam, Copenhagen — worth checking when you compare fares.