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.

  • Air Baltic · 480 min · 5811 km
  • Alaska Airlines · 485 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.

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

Stopover options

  • 1 stop(s) · 10h 58m · KEF → SEA
  • 1 stop(s) · 10h 58m · KEF → SEA
  • 1 stop(s) · 10h 58m · KEF → SEA
  • 1 stop(s) · 10h 58m · KEF → SEA
  • 1 stop(s) · 10h 58m · KEF → SEA
  • 1 stop(s) · 10h 5m · KEF → SEA
  • 1 stop(s) · 10h 5m · KEF → SEA
  • 1 stop(s) · 10h 5m · KEF → SEA
  • 1 stop(s) · 10h 5m · KEF → SEA
  • 1 stop(s) · 10h 5m · KEF → SEA
  • 1 stop(s) · 10h 5m · KEF → SEA
  • 1 stop(s) · 10h 5m · KEF → SEA

Timetable coverage

Published flight numbers: AS5551, AS5553, FI681, FI683

Published schedule snapshot may be stale

Flight number: AS 5551

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

  • KEF 16:50 → SEA 17:55

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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