Seattle to Helsinki (Vantaa) (SEA–HEL) — Airlines, Schedules & Connections
No flights match your filters.
No scheduled airline flights on this route — it's flown by charter / private operators (). No nonstop flights on this route. connecting options below.
Most recently operated nonstop flights — the month shown is when each was last scheduled. Most destinations remain reachable with a connection.
No discontinued nonstop flights on record for this route.
SEA–HEL is served by 1 airline with nonstop service. Finnair leads the route. The flight covers 4,768 miles in approximately 9h 55m. Beyond nonstop, 1-stop connecting options are also available.
Airline Landscape
| Airline | Freq/wk | Aircraft | Duration | Dep OTP | Alliance | Codeshares |
|---|---|---|---|---|---|---|
| AY Finnair | 4 | 333 | 9h55 | Oneworld | – |
Weekly Schedule Pattern
Connection Landscape
On-Time Performance
Travel Essentials
SEA: PDT · HEL: EEST
When it's 6:00 PM in Seattle, it's 4:00 AM (next day) in Helsinki (Vantaa).
US passport holders enter Finland visa-free for stays up to 90 days within any 180-day period. This falls under the Schengen area rules, so the 90-day limit is shared across all Schengen countries. No advance application is needed. Passport must be valid for at least 3 months beyond the planned departure from the Schengen area.
Link Light Rail runs from downtown Seattle (Westlake station) to the airport in 38 minutes ($3.50 peak). Trains run every 6–12 minutes during peak hours from 5am to 1am. Ride-shares run $30–50 from downtown; SR-99 and I-5 can be heavily congested southbound during afternoon rush (3–7pm).
Sound Transit 574 express bus serves Tacoma ($2.50–4). Sounder commuter rail connects Tacoma to the airport area via a shuttle.
SEA–HEL Quick Facts
Frequently Asked Questions
Flights from SEA to HEL
Seattle–Tacoma International Airport (SEA) and Helsinki Vantaa Airport (HEL) are connected by nonstop service from Finnair. With 4 weekly departures, this is a regularly served route.
SEA to HEL Flight Duration and Schedule
Nonstop flight time from SEA to HEL is about 9 hours 55 minutes gate to gate. The route covers a distance of 4,768 miles (7,673 km). There are approximately 4 weekly flights outbound and 4 return, totaling 8 flights per week in both directions.
Connecting Options and Alternatives
1-stop connecting options are also available, commonly via Keflavik, London Heathrow and Copenhagen Kastrup. Two-stop connections are also available via intermediate hubs.