Helsinki (HEL) to Seattle (SEA) flights
One airline flies nonstop from Helsinki (HEL) to Seattle (SEA): Finnair. The two airports are 4,768 miles (7,673 km) apart. Finnair is in oneworld. There are also 18 ways to fly it with one stop, through Reykjavik, Copenhagen and Dublin and more.
Airlines flying nonstop from HEL to SEA
- Finnaironeworld · bookable with 9 programsWho books it
Book HEL to SEA with points
Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.
- Alaska Atmos RewardsBooks Finnair
- American AAdvantageBooks Finnair
- British Airways ClubBooks Finnair
- Cathay Pacific Asia MilesBooks Finnair
- Finnair PlusBooks Finnair
- Iberia ClubBooks Finnair
- JAL Mileage BankBooks Finnair
- Qantas Frequent FlyerBooks Finnair
- Qatar Airways Privilege ClubBooks Finnair
HEL to SEA with one stop
18 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Reykjavik (KEF)Icelandair the whole way
- Via Copenhagen (CPH)Scandinavian Airlines the whole way
- Via Dublin (DUB)Finnair, then Aer Lingus
- Via Amsterdam (AMS)Finnair and KLM, then Delta Air Lines
- Via London (LHR)Finnair, then British Airways, Virgin Atlantic and 2 more
+1 - Via Frankfurt (FRA)Finnair and Lufthansa City Airlines, then Condor and Lufthansa
- Via Chicago (ORD)Finnair, then American Airlines, Alaska Airlines and 2 more
+1 - Via Toronto (YYZ)Finnair, then Air Canada and Alaska Airlines
- Via Paris (CDG)Air France the whole way
- Via Munich (MUC)Lufthansa the whole way
- Via New York (JFK)Finnair, then Alaska Airlines, JetBlue Airways and 1 more
- Via Los Angeles (LAX)Finnair, then American Airlines, Alaska Airlines and 3 more+2
- Via Dallas (DFW)Finnair, then American Airlines, Alaska Airlines and 1 more
- Via Barcelona (BCN)Finnair and Norwegian Air Sweden, then Delta Air Lines
- Via Rome (FCO)Finnair, then Delta Air Lines and Alaska Airlines
HEL to SEA: common questions
Which airlines fly nonstop from HEL to SEA?
Finnair (oneworld) flies nonstop from Helsinki (HEL) to Seattle (SEA).
How far is Helsinki from Seattle by plane?
Helsinki (HEL) and Seattle (SEA) are 4,768 miles (7,673 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
Which points programs can book HEL to SEA award flights?
9 programs can book at least one of the nonstop airlines: Alaska Atmos Rewards, American AAdvantage, British Airways Club, Cathay Pacific Asia Miles, Finnair Plus, Iberia Club, JAL Mileage Bank, Qantas Frequent Flyer and 1 more. Which flights each can book depends on its partners, so check the airline before you transfer points.
How many miles does HEL to SEA cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for HEL to SEA with taxes and fees.
Where can I connect between Helsinki and Seattle?
The most direct connections are through Reykjavik (KEF), Copenhagen (CPH), Dublin (DUB), Amsterdam (AMS) and London (LHR). On 5 of them the same airline flies both flights, for example Icelandair through Reykjavik.
More routes
Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.