Helsinki (Vantaa) to Seattle (HEL–SEA) — 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.
HEL–SEA is served by 1 airline with nonstop service. Finnair leads the route. The flight covers 4,768 miles in approximately 9h 40m. Beyond nonstop, 1-stop connecting options are also available.
Airline Landscape
| Airline | Freq/wk | Aircraft | Duration | Dep OTP | Alliance | Codeshares |
|---|---|---|---|---|---|---|
| AY Finnair | 4 | 333 | 9h40 | – | Oneworld | – |
Weekly Schedule Pattern
Connection Landscape
On-Time Performance
Travel Essentials
HEL: EEST · SEA: PDT
When it's 6:00 PM in Helsinki (Vantaa), it's 8:00 AM in Seattle.
Finland is part of the US Visa Waiver Program. Finnish passport holders can enter the United States for up to 90 days for tourism or business by obtaining an ESTA (Electronic System for Travel Authorization) before departure. The ESTA costs $21 and is valid for 2 years or until the passport expires, whichever comes first. Apply at least 72 hours before departure.
You must hold an e-passport (biometric chip). Passport must be valid for at least 6 months beyond the intended stay. Travelers who have visited Iraq, Syria, Iran, North Korea, Sudan, Libya, Somalia, Yemen, or Cuba after March 2011 may be ineligible and need a B1/B2 visa instead.
Link Light Rail from the airport station (inside the terminal) to downtown Seattle takes 38 minutes ($3.50). No transfers needed; trains run 5am to 1am daily.Taxis and ride-shares to downtown cost $35–55. For Bellevue and Eastside destinations (across Lake Washington), ride-share is faster than Link. Car rentals are in the consolidated rental facility; take the free shuttle from baggage claim. Sound Transit buses serve Tacoma, Renton, and Federal Way.
Marine west coast climate. Winters are mild but persistently grey and rainy (3–9°C). Snow is rare at sea level but can occur December through February, causing significant disruptions when it does. The airport sits between Seattle and Tacoma in an area that receives more fog and low cloud than downtown Seattle.
Summers are famously pleasant (18–25°C) with low humidity and mostly clear skies, one of the best flying climates in the US from June through September. The wettest months are November through January.
HEL–SEA Quick Facts
Frequently Asked Questions
Flights from HEL to SEA
Helsinki Vantaa Airport (HEL) and Seattle–Tacoma International Airport (SEA) are connected by nonstop service from Finnair. With 4 weekly departures, this is a regularly served route.
HEL to SEA Flight Duration and Schedule
Nonstop flight time from HEL to SEA is about 9 hours 40 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 Copenhagen Kastrup, Keflavik and Los Angeles. Two-stop connections are also available via intermediate hubs.