Direct flights from Seattle to Reykjavik
All flights from SEA to KEF non-stop. There are direct flights from Seattle Tacoma International (SEA), Washington, USA to Keflavík International Airport (KEF), Iceland with Icelandair and Alaska Airlines. 19 weekly departures are currently scheduled on this route. Departure times range from 14:35 to 23:25 depending on the schedule period. The flight distance is 3631 miles (5842 km). Flight time ranges from 7 hours and 25 minutes to 7 hours and 40 minutes.
Seattle
, USA
Reykjavik
, Iceland
Flight schedule from Seattle to Reykjavik with Icelandair
This is a weekly direct flight schedule for Icelandair. Use the arrows or click on the date to change week. Click on any flight departure time to show more information and check availability.
Flight
The timetable & schedule information was updated at 2026-10-12
Flight schedule from Seattle to Reykjavik with Alaska Airlines
This is a weekly direct flight schedule for Alaska Airlines. Use the arrows or click on the date to change week. Click on any flight departure time to show more information and check availability.
Flight
The timetable & schedule information was updated at
Seattle to Reykjavik scheduled departures
Select a date to see every published non-stop departure between SEA and KEF.
SEA - KEF route facts
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Distance3631 miles (5842 km)
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Flight time7 hours and 25 minutes to 7 hours and 40 minutes
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Airlines Icelandair
Alaska Airlines -
Airline alliancesoneworld
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CabinsEconomy Business First
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Hub airportsAlaska Airlines: SEA (Primary hub.)
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AircraftIcelandair: Airbus A321neo and Boeing 737MAX 8 PassengerAlaska Airlines: Boeing 737MAX 8 Passenger
