SeattleHelsinkiNonstop Flight TimeSEA–HEL
Seattle (Seattle-Tacoma International Airport) to Helsinki (Helsinki-Vantaa Airport).
Direct flights from SEA to HEL have an estimated flight time of about 10h 25m, based on the 4,768-mile great-circle distance. Our current captured departure sample includes 3×/wk across 1 captured airline, with Finnair appearing most often in that sample. Captured departure times run from 17:40 to 17:40 local time.
Plan this routeAt a glance
| Est. flight time | Distance | Route type | Captured freq. | Market |
|---|---|---|---|---|
| ~10h 25m Estimated from great-circle distance — no tracked flights yet. | 4,768 mi | Nonstop | 3×/wk From the current provider sample; confirm live timetables before booking. | International |
Airlines on this route
Captured nonstop airlines for SEA to HEL
Our current provider sample includes 3×/wk direct flights from SEA to HEL across 1 captured airline.
- First departure
- 17:40
- Last departure
- 17:40
- Captured departures/day
- 1
| Airline | Captured daily freq. | Aircraft | Departures (local) |
|---|---|---|---|
| Finnair | 3×/wk | Airbus A330 · Seat map | 17:40 |
Aircraft on this route
Flying the other way?
HEL to SEA flights — 3×/wk on 1 airline →Methodology: airline, aircraft, terminal, and departure-time details come from the rolling scheduled-departures window for SEA to HEL, last seen June 15, 2026. Frequency uses 3 scheduled departures across 3 observed days; flight time is estimated from great-circle distance until this route has enough tracked flights for an observed average. Provider coverage can miss operators on some routes, so confirm live timetables before booking.
Route FAQ
How long is the flight from SEA to HEL?
The SEA to HEL flight time is estimated at about 10h 25m from great-circle distance until enough tracked flights are available.
How far is SEA from HEL?
SEA to HEL is about 4,768 miles by air.
Are there nonstop flights from SEA to HEL?
Yes. Captured schedules show 3×/wk from SEA to HEL on Finnair. Confirm live timetables before booking.
Which airlines fly from SEA to HEL?
Our current provider sample for SEA to HEL includes Finnair. Confirm live timetables before booking.
What aircraft fly from SEA to HEL?
Aircraft captured in our current provider sample for SEA to HEL include Airbus A330.
Route hubs
Nearby airport options
Near Helsinki
- TLL - TallinnTallinn Airport · 63 mi from HELFlights to TLL