Flights from Seoul (ICN) to Seattle (SEA)

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

Show route on mapAll flights from ICNAll flights to SEA

Direct flights

7 direct option(s) across 7 airline(s) · 8,373 km route distance.

  • Alaska Airlines · 595 min · 8373 km
  • Thai Airways International · 595 min · 8373 km
  • United Airlines · 595 min · 8373 km
  • Asiana Airlines · 595 min · 8373 km
  • Singapore Airlines · 595 min · 8373 km
  • Delta Air Lines · 600 min · 8373 km
  • Korean Air · 625 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.

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

Stopover options

  • No stopover itineraries available.

Timetable coverage

Published flight numbers: AS172, DL196, DL7837, KE41, KE5019, OZ272, SQ5772, TG6753, UA7291

Published schedule snapshot may be stale

Flight number: AS 172

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

  • ICN 20:35 → SEA 14:30

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 ICN →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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