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Flight distance & time
Keflavik International Airport → Seattle Tacoma International Airport
KEFSEA
- Distance
- 5,811 km · 3,610 mi
- Flight time
- 08h 00m
- CO₂ per passenger
- 522 kg
This Keflavik International Airport → Seattle Tacoma International Airport route is 5,811 km (3,610 mi) end to end. The estimated flight time is 08h 00m, and a passenger's share of CO₂ works out at roughly 522 kg.
See the reverse route: Seattle Tacoma International Airport → Keflavik International Airport
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Your route
- FromKEFKeflavik International AirportReykjavik, Southern Peninsula
- ToSEASeattle Tacoma International AirportSeattle, Washington
Flight map
Track your lifetime distance flown across every trip.
Route service
Average daily flights~4 flights/day
Airlines on this route
Alaska AirlinesIcelandair
Common questions
Keflavik International Airport to Seattle Tacoma International Airport FAQ
How far is Keflavik International Airport from Seattle Tacoma International Airport?
Keflavik International Airport (KEF) and Seattle Tacoma International Airport (SEA) are 5,811 km (3,610 mi) apart, measured along the great-circle route.
How long is the flight from Keflavik International Airport to Seattle Tacoma International Airport?
A direct KEF–SEA flight covers the distance in about 08h 00m, though the exact time shifts with aircraft type and winds.
How much CO₂ does a flight from Keflavik International Airport to Seattle Tacoma International Airport produce?
A passenger's share of CO₂ on the KEF–SEA route is roughly 522 kg.
Which airlines fly from Keflavik International Airport to Seattle Tacoma International Airport?
Alaska Airlines, Icelandair operate scheduled service between KEF and SEA.
Flight distance and time are estimates for ideal conditions — actual figures vary with aircraft type, routing and weather.
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