Flights from Seattle (SEA) to Reykjavík (KEF)

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

Show route on mapAll flights from SEAAll flights to KEF

Direct flights

No direct flights currently listed. See stopover options below.

Stopover options

  • No stopover itineraries available.

Timetable coverage

Published flight numbers: AS5550, FI680, AS5552, FI682, AS354, AS5556, FI684

Flight number: AS 5550

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

  • SEA 15:40 → KEF 06:15

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 SEA →Explore all arrivals to KEF →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 KEF when return timing is important.
  • Use Guides for alliance and hub strategy playbooks.
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