Flights from Seattle to Seoul
The lowest fare Aviasales travellers found for every month, with the airline and stops. Pick a month to open that flight, or search your own dates. Results stay here on 365Vistas.
Seattle to Seoul fares by month
Lowest one-way fare per month that Aviasales travellers found (as of Oct 31). Fares change daily; tap a month to see that flight's live price.
| Month | From | Date | Airline | Stops | |
|---|---|---|---|---|---|
| November 2026 | $423 | Nov 10 | Cathay Pacific | 1 stop | See flight › |
| December 2026 | $462 | Dec 5 | United | 1 stop | See flight › |
In Seoul
Plan a trip to Seoul: the best time to go, getting around on the subway, top things to do from Gyeongbokgung Palace to the DMZ, and practical tips.
Seattle to Seoul flight FAQ
What is the lowest fare from Seattle to Seoul?
The lowest one-way fare Aviasales travellers found was $423 for a flight on Nov 10 (November 2026) with Cathay Pacific, 1 stop. Fares change daily; search your dates for today's live price.
Which month has the lowest fares from Seattle to Seoul?
In the fares found as of Oct 31, November 2026 had the lowest price ($423). The table above lists the lowest fare found for every month.
Which airlines fly from Seattle to Seoul?
In the lowest fares found for this route: Cathay Pacific, United. More airlines show up when you search your exact dates.
Are there direct flights from Seattle to Seoul?
The lowest fares found for this route all have at least one stop. Search your dates to see every option, including direct flights when they run.
How long is the flight from Seattle to Seoul?
The quickest of the lowest fares found takes 15 h 19 min (1 stop, United). Direct flights, when available, are shorter.