Reykjavik (KEF) to Seattle (SEA) flights

An economy award from Reykjavik (KEF) to Seattle (SEA) starts at 18,000 miles one way with Iberia Club on Alaska Airlines, plus taxes and fees from $73.59. 2 airlines fly nonstop from Reykjavik (KEF) to Seattle (SEA): 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.
How many miles KEF to SEA costs
Economy, one way, on the nonstop flights, from the Award Flight Pricer's award charts. Ranges run off-peak to peak; "from" is the floor of a dynamic price.
| Program | Economy | Taxes and fees |
|---|---|---|
| Iberia ClubOn Alaska Airlines | 18,000 | $73.59–373.59 |
| British Airways ClubOn Alaska Airlines | 20,750 | $73.59–373.59 |
| Qatar Airways Privilege ClubOn Alaska Airlines | 20,750 | $73.59–268.59 |
| Alaska Atmos RewardsOn Alaska Airlines | 22,500 | $38.59–73.59 |
| JAL Mileage BankOn Alaska Airlines | 23,000 | $38.59–73.59 |
| Cathay Pacific Asia MilesOn Alaska Airlines | 27,000 | $61.99–96.99 |
| American AAdvantageOn Alaska Airlines | 30,000 | $38.59–73.59 |
| JetBlue TrueBlueOn Icelandair | 32,000 | $38.59–73.59 |
| Qantas Frequent FlyerOn Alaska Airlines | 34,700 | $38.59–73.59 |
| Starlux (COSMILE)On Alaska Airlines | 35,000 | $71.59–106.59 |
Business and first class prices are in the Award Flight Pricer. Chart prices need award space on your date, so search it before you transfer points.
Compare every program in the Award Flight PricerAirlines flying nonstop from KEF to SEA
- Alaska Airlinesoneworld · bookable with 9 programsWho books it

- IcelandairNot in an alliance · bookable with 3 programsWho books it

Book KEF to SEA 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
KEF to SEA with one stop
29 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Edmonton (YEG)WestJet, then Alaska Airlines


- Via Calgary (YYC)WestJet the whole way



- Via Vancouver (YVR)Icelandair, then Air Canada, Alaska Airlines and 1 more




- Via Portland (PDX)Icelandair, then Alaska Airlines and Delta Air Lines



- Via Minneapolis (MSP)Delta Air Lines the whole way





- Via Denver (DEN)Icelandair, then Alaska Airlines, Delta Air Lines and 4 more


+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)Icelandair, then Alaska Airlines, JetBlue Airways and 1 more




- Via Pittsburgh (PIT)Icelandair, then Alaska Airlines and American Airlines



- 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




KEF to SEA: common questions
How many miles does KEF to SEA cost?
In economy it starts at 18,000 miles one way with Iberia Club on Alaska Airlines, plus taxes and fees from $73.59. Next cheapest: British Airways Club (20,750), Qatar Airways Privilege Club (20,750) and Alaska Atmos Rewards (22,500). These are award chart prices from the Award Flight Pricer. Programs that price dynamically can cost more on busy dates, so check yours before you transfer points. Business and first class prices are in the pricer too.
Which airlines fly nonstop from KEF to SEA?
Alaska Airlines (oneworld) and Icelandair fly nonstop from Reykjavik (KEF) to Seattle (SEA).
How far is Reykjavik from Seattle by plane?
Reykjavik (KEF) and Seattle (SEA) 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 KEF to SEA 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.
Where can I connect between Reykjavik and Seattle?
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.





