FrequencyKorean Air
Seoul to Seattle adds two flights a week under Korean Air
Distance8,394 km
Aircraft787
From17 Dec 2026
Frequency14 weekly
AirlineKorean Air
AllianceSkyTeam
ScopeInternational
The second Korean Air route to the United States flown under KE codes alone
Korean Air will fly Seoul Incheon to Seattle fourteen times a week from 17 December 2026, up from twelve. Asiana’s OZ272/271 becomes Korean Air KE047/048 from 12 October and keeps running past the merger date, alongside KE041 and KE042. Boeing 787s operate all four daily flights. Asiana’s remaining OZ flight numbers move to KE codes through November and early December.
Source: AeroRoutes. Rewritten from the release; figures as published.
Also on the log: Seoul to Kobe starts in DecemberBangkok to Seoul ends after twelve yearsSeoul to Jeju adds a third flight a week
Route data from airline releases and schedule filings, rewritten and cited.
Weeks cut in Sydney, Australia time.