Flights from Reykjavík (KEF) to Seattle (SEA)

Route intelligence for KEF → SEA: direct flights, stopover options, and timetable coverage in one place.

Show route on mapAll flights from KEFAll flights to SEA

Direct flights

3 direct option(s) across 3 airline(s) · 5,811 km route distance.

  • Alaska Airlines · 475 min · 5811 km
  • Air Baltic · 480 min · 5811 km
  • Icelandair · 485 min · 5811 km

Explore these airlines on this city pair

Open each airline route-map page to compare broader network depth before committing to a nonstop or one-stop strategy.

Alaska Airlines route map →Air Baltic route map →Icelandair route map →

Stopover options

  • 1 stop(s) · 10h 33m · KEF → SEA
  • 1 stop(s) · 12h 33m · KEF → SEA
  • 1 stop(s) · 12h 33m · KEF → SEA
  • 1 stop(s) · 12h 33m · KEF → SEA
  • 1 stop(s) · 12h 33m · KEF → SEA
  • 1 stop(s) · 12h 33m · KEF → SEA
  • 1 stop(s) · 12h 40m · KEF → SEA
  • 1 stop(s) · 12h 11m · KEF → SEA
  • 1 stop(s) · 12h 11m · KEF → SEA
  • 1 stop(s) · 12h 11m · KEF → SEA
  • 1 stop(s) · 12h 23m · KEF → SEA
  • 1 stop(s) · 12h 23m · KEF → SEA

Timetable coverage

Published flight numbers: AS5557, FI685, AS355, AS5551, FI681, AS5553, FI683

Flight number: AS 5557

Operating days: 1, 2, 3, 4, 5, 6, 7

  • KEF 10:40 → SEA 11:45

Plan this city pair

Compare nearby alternatives and airline networks to decide whether a direct trip, one-stop connection, or reverse search gives you better options.

Explore all departures from KEF →Explore all arrivals to SEA →Compare airline network coverage →Browse airports by country →

Route planning checklist

  • Compare direct duration with one-stop total duration before committing to a fare.
  • Check inbound alternatives on flights to SEA when return timing is important.
  • Use Guides for alliance and hub strategy playbooks.
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