Seattle (SEA) to Reykjavik (KEF) flights
2 airlines fly nonstop from Seattle (SEA) to Reykjavik (KEF): Alaska Airlines and Icelandair. The two airports are 3,610 miles (5,810 km) apart. Alaska Airlines is in oneworld. There are also 29 ways to fly it with one stop, through Edmonton, Calgary and Vancouver and more.
Airlines flying nonstop from SEA to KEF
- Alaska Airlinesoneworld · bookable with 9 programsWho books it
- IcelandairNot in an alliance · bookable with 3 programsWho books it
Book SEA to KEF with points
Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.
- Alaska Atmos RewardsBooks Alaska Airlines, Icelandair
- American AAdvantageBooks Alaska Airlines
- British Airways ClubBooks Alaska Airlines
- Cathay Pacific Asia MilesBooks Alaska Airlines
- Emirates SkywardsBooks Icelandair
- Finnair PlusBooks Alaska Airlines
- Iberia ClubBooks Alaska Airlines
- JAL Mileage BankBooks Alaska Airlines
- JetBlue TrueBlueBooks Icelandair
- Qantas Frequent FlyerBooks Alaska Airlines
- Qatar Airways Privilege ClubBooks Alaska Airlines
What SEA to KEF costs in miles
One way, from the Award Flight Pricer's charts (November 2026). Ranges run off-peak to peak; "from" is the floor of a dynamic price.
| Program | Economy | Business | Taxes and fees |
|---|---|---|---|
| Alaska Atmos Rewards | from 27,500 | from 55,000 | $126–176 |
| JetBlue TrueBlue | from 32,000 | 104,000 | $6 |
SEA to KEF with one stop
29 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Edmonton (YEG)Alaska Airlines, then WestJet
- Via Calgary (YYC)WestJet the whole way
- Via Vancouver (YVR)Air Canada, Alaska Airlines and 1 more, then Icelandair
- Via Portland (PDX)Alaska Airlines and Delta Air Lines, then Icelandair
- Via Minneapolis (MSP)Delta Air Lines the whole way
- Via Denver (DEN)Alaska Airlines, Delta Air Lines and 4 more, then Icelandair+3
- Via Montreal (YUL)Air Canada the whole way
- Via Toronto (YYZ)Air Canada the whole way
- Via Chicago (ORD)United Airlines the whole way
+1
- Via Detroit (DTW)Delta Air Lines the whole way
- Via Boston (BOS)Alaska Airlines, JetBlue Airways and 1 more, then Icelandair
- Via Pittsburgh (PIT)Alaska Airlines and American Airlines, then Icelandair
- Via New York (EWR)United Airlines the whole way
- Via New York (JFK)Delta Air Lines the whole way
- Via Philadelphia (PHL)American Airlines the whole way
SEA to KEF: common questions
Which airlines fly nonstop from SEA to KEF?
Alaska Airlines (oneworld) and Icelandair fly nonstop from Seattle (SEA) to Reykjavik (KEF).
How far is Seattle from Reykjavik by plane?
Seattle (SEA) and Reykjavik (KEF) are 3,610 miles (5,810 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
Which points programs can book SEA to KEF award flights?
11 programs can book at least one of the nonstop airlines: Alaska Atmos Rewards, American AAdvantage, British Airways Club, Cathay Pacific Asia Miles, Emirates Skywards, Finnair Plus, Iberia Club, JAL Mileage Bank and 3 more. Which flights each can book depends on its partners, so check the airline before you transfer points.
How many miles does SEA to KEF cost?
In the Award Flight Pricer it starts at from 27,500 miles in economy with Alaska Atmos Rewards and from 55,000 in business with Alaska Atmos Rewards, one way, plus taxes and fees. Prices change with season and availability, so search the dates you want before you transfer points.
Where can I connect between Seattle and Reykjavik?
The most direct connections are through Edmonton (YEG), Calgary (YYC), Vancouver (YVR), Portland (PDX) and Minneapolis (MSP). On 14 of them the same airline flies both flights, for example WestJet through Calgary.
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.