Cheap flights from Seattle to Seoul
from 560 US$
From 795 USD — compare hundreds of airlines
The cheapest month is usually 2026-08 · 560 US$
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About this route
Compare flights from Seattle to Seoul, a about 8,322 km route (around 10h 54m nonstop). We gather live prices from hundreds of airlines and agencies so you can find the cheapest and book on the official site, with no hidden fees. Direct flights are available. Airlines such as Delta, Korean Air, Asiana Airlines operate this route.
When to buy and when to fly
Prices by date
Fares found by date — cheapest days in green.
How to get the best price
Airlines on this route
FAQ
What's the cheapest month to fly Seattle to Seoul?
It's usually 2026-08, from 560 USD. Use the price calendar to compare other dates.
How long is the flight from Seattle to Seoul?
A nonstop flight takes about 10h 54m and covers around 8,322 km. Connecting itineraries take longer.
Are there direct flights from Seattle to Seoul?
Yes, this route has nonstop flights. Filter by "nonstop" to see them.
Which airlines fly from Seattle to Seoul?
Delta, Korean Air, Asiana Airlines, United Airlines operate this route, among others. Compare them all in the results.
When should I book Seattle–Seoul flights?
As a rule of thumb, booking 3–8 weeks ahead and avoiding weekends and holidays tends to give the best prices. Use the calendar to spot the cheapest dates.
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Seattle → Seoul · Live fares from 100+ sites — free, with no hidden fees.