Direct (nonstop) flights from Helsinki to Seattle
1 airline flys nonstop from Helsinki Airport (HEL) to Seattle Tacoma International (SEA). It's 4,783 miles (7,697 km), about 9h 40m in the air. Operated by Finnair.
Finnair
Route data last updated: May 27, 2026
Airlines with non-stop flights
Alternative Routes
Other ways to fly from Helsinki to Seattle with one stop · direct emits 731 kg CO₂ per passenger
Looking for the return flight?
SEA → HEL: Flights from Seattle to HelsinkiOther direct flights from Helsinki
Direct flights from Seattle (SEA)
Frequently Asked Questions
How long is the direct flight from Helsinki to Seattle?
A nonstop flight from Helsinki (HEL) to Seattle (SEA) takes approximately 9 hours and 40 minutes. The distance is 4,783 miles (7,697 km).
Which airlines fly nonstop from Helsinki to Seattle?
Just Finnair.
Is there a nonstop flight from Helsinki to Seattle?
Yes. 1 airline: Finnair.
How far is Helsinki from Seattle?
The flight distance from Helsinki to Seattle is 4,783 miles (7,697 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as New York to Rome.
What is the time difference between Helsinki and Seattle?
Seattle is 10 hours behind Helsinki. (Europe/Helsinki vs America/Los_Angeles.)
Will I experience jet lag flying from Helsinki to Seattle?
Probably — 10-hour time difference means significant jet lag. Expect about 1 day of adjustment per hour of shift. Flying westward is generally easier to adjust to.
What type of aircraft flies from Helsinki to Seattle?
At 9h 40m, this route typically uses wide-body aircraft — Boeing 777, 787, or Airbus A330/A350. Varies by airline.
Do I need a visa to travel from Finland to USA?
Depends on your passport. Check with the USA embassy or an official visa portal before booking — requirements change.
What is the carbon footprint of a flight from Helsinki to Seattle?
Roughly 731 kg CO2 per passenger one-way. That's about the same as driving 3,655 km.
Is the return flight from Seattle to Helsinki also nonstop?
Yes — nonstop flights run both ways. Flight time may differ slightly due to wind patterns.
When is the cheapest time to fly from Helsinki to Seattle?
Midweek flights (Tue/Wed) outside holiday peaks are usually cheapest. For long-haul, booking 2-3 months out tends to help. Use "Check Prices" above to compare.
How early should I arrive at Helsinki Airport for this flight?
3 hours before departure for international flights. You need time for check-in, security, and immigration.