ICN → SEA
Flights from Seoul to Seattle
Seoul to Seattle (ICN–SEA) is a international nonstop air route served by scheduled passenger airlines. Use Flyroz to compare current fares, then continue to a partner flight provider to complete your booking — Flyroz does not add a booking fee.
Cheapest one-way from
Search to see current fares for your dates.
How long is the flight?
Nonstop flights from Seoul (ICN) to Seattle (SEA) take roughly 10h 51m–11h 21m in the air, estimated from the approximately 8,373 km great-circle distance. This is an estimate rather than a published block time; actual schedules vary with aircraft, routing and conditions.
Airlines flying this route
Current nonstop operators on ICN–SEA include Asiana Airlines, Delta Air Lines and Korean Air. The list excludes known cargo-only, codeshare-only, stale and third-country tag-flight artifacts identified during the July 2026 route audit. Check live results because operating days and seasonal schedules can change.
Direct vs. connecting flights
This route has current nonstop passenger service. A nonstop itinerary is normally fastest, while connecting options may add flexibility or a lower fare depending on the travel date.
Best time to fly & book
Prices vary with local holidays, school breaks and peak travel periods. Searching flexible dates and booking earlier generally provides a wider choice of nonstop schedules and fares.
Frequently asked questions
Is there a nonstop flight from Seoul to Seattle?
Yes. ICN–SEA has current scheduled nonstop passenger service. Search your dates to compare the operating schedule and fares.
How long is the flight from Seoul to Seattle?
The estimated nonstop air time is roughly 10h 51m–11h 21m, based on the approximately 8,373 km great-circle distance. Published block times vary.
Which airlines fly nonstop from Seoul to Seattle?
Current nonstop operators include Asiana Airlines, Delta Air Lines and Korean Air. Schedules can change, so confirm the airlines operating on your dates.
Ready to compare Seoul → Seattle?
Live fares from partner flight providers · book at the source, no fees.