Reykjavík to Seattle (KEF–SEA) — Airlines, Schedules & Connections
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No nonstop flights on this route. connecting options below.
KEF–SEA is served by 2 airlines with nonstop service. Icelandair and airBaltic lead the route. The flight covers 3,611 miles in approximately 6h 22m. Beyond nonstop, 27 hubs offer 1-stop connections.
Airline Landscape
| Airline | Freq/wk | Aircraft | Duration | Dep OTP | Alliance | Codeshares |
|---|---|---|---|---|---|---|
| FI Icelandair | 15 | 32Q, 75W | 6h22-8h | – | – | – |
| BT airBaltic | 2 | 32Q | 8h | – | – | – |
Weekly Schedule Pattern
Connection Landscape
On-Time Performance
Travel Essentials
KEF: GMT · SEA: MDT
When it's 6:00 PM in Reykjavík, it's 12:00 PM in Seattle.
Link Light Rail from the airport station (inside the terminal) to downtown Seattle takes 38 minutes ($3.50). No transfers needed; trains run 5am to 1am daily.Taxis and ride-shares to downtown cost $35–55. For Bellevue and Eastside destinations (across Lake Washington), ride-share is faster than Link. Car rentals are in the consolidated rental facility; take the free shuttle from baggage claim. Sound Transit buses serve Tacoma, Renton, and Federal Way.
Marine west coast climate. Winters are mild but persistently grey and rainy (3–9°C). Snow is rare at sea level but can occur December through February, causing significant disruptions when it does. The airport sits between Seattle and Tacoma in an area that receives more fog and low cloud than downtown Seattle.
Summers are famously pleasant (18–25°C) with low humidity and mostly clear skies, one of the best flying climates in the US from June through September. The wettest months are November through January.
KEF–SEA Quick Facts
Frequently Asked Questions
Flights from KEF to SEA
Keflavik International Airport (KEF) and Seattle–Tacoma International Airport (SEA) are connected by nonstop service from airBaltic and Icelandair. With 18 weekly departures, this is a well served route.
KEF to SEA Flight Duration and Schedule
Nonstop flight time from KEF to SEA ranges from 6 hours 22 minutes to 8 hours 0 minutes. The route covers a distance of 3,611 miles (5,811 km). There are approximately 18 weekly flights outbound and 16 return, totaling 34 flights per week in both directions.
Connecting Options and Alternatives
27 one-stop connections are available, with the fastest taking approximately 12 hours via PIT. Two-stop connections are also available via intermediate hubs.