Direct flights from Seattle to Vantaa INTL
2 nonstop flights a week on 1 airline. Zero layovers — one hop from SEA to HEL.
Flight time: about 8h49m nonstop
Which days does it fly?
When does it fly?
Departure times in Seattle local time, from flights observed over the last 7 days.
| Flight | Departs | Duration | Days |
|---|---|---|---|
| Finnair FIN34 | 7:11p | 9h1m | Mon |
| Finnair FIN34 | 7:21p | 8h37m | Fri |
The route
One hop: SEA → HELDrag to pan · scroll with ⌘/Ctrl to zoom · arrow keys when focused
Nonstop from Seattle (SEA) to Vantaa (HEL)
Seattle–Tacoma International Airport (SEA) has 2 nonstop flights a week to Vantaa (HEL), operated by Finnair. No layovers, no connections — one hop out of SEA and you're there.
This route flies on Monday and Friday — check the schedule grid above before you pick a travel day. Vantaa is an international destination — don't forget your passport. Route data updated October 2026 from observed departures.
Route data updated October 2026 from observed flight departures. Schedules change — always confirm with the airline before booking.
How long is the flight from Seattle to Vantaa?
The nonstop flight from Seattle (SEA) to Vantaa (HEL) takes about 8h49m in the air, based on recently observed nonstop departures.