Flights from Seattle (SEA) to Seoul (ICN)

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

Show route on mapAll flights from SEAAll flights to ICN

Direct flights

6 direct option(s) across 6 airline(s) · 8,373 km route distance.

  • Delta Air Lines · 710 min · 8373 km
  • Korean Air · 710 min · 8373 km
  • Alaska Airlines · 715 min · 8373 km
  • Thai Airways International · 730 min · 8373 km
  • Asiana Airlines · 730 min · 8373 km
  • Singapore Airlines · 730 min · 8373 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.

Delta Air Lines route map →Korean Air route map →Alaska Airlines route map →Thai Airways International route map →Asiana Airlines route map →Singapore Airlines route map →

Stopover options

  • No stopover itineraries available.

Timetable coverage

Published flight numbers: AS171, DL197, DL7838, KE234, KE262, KE42, KE5020, OZ241, OZ243, OZ271, SQ5771, TG6752

Published schedule snapshot may be stale

Flight number: AS 171

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

  • SEA 14:40 → ICN 18:35

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 ICN →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 ICN when return timing is important.
  • Use Guides for alliance and hub strategy playbooks.
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