SeaTac to Seoul Flight Time, Distance, Route Map

Flight time from SeaTac, United States to Seoul, South Korea is 10 hours 22 minutes under avarage conditions. Our flight time calculator assumes an average flight speed for a commercial airliner of 500 mph, which is equivalent to 805 km/hr or 434 knots. Actual flight times may vary depending on aircraft type, cruise speed, routing, weather conditions, passenger load, and other factors.

What is the Flight Distance Between SeaTac and Seoul?

The flight distance from SeaTac (United States) to Seoul (South Korea) is 5180 miles. This is equivalent to 8336 kilometers or 4498 nautical miles. The calculated distance (air line) is the straight line distance or direct flight distance between cities. The nearest airport to SeaTac, is Seattle/Tacoma International Airport (SEA) and the nearest airport to Seoul, is Gimpo International Airport (GMP).

SeaTac - Seoul Timezones & Time Difference

Current local time in SeaTac is 2025-08-13, 19:58:30 MDT
Current local time in Seoul is 2025-08-14, 10:58:30 KST.
Time difference between SeaTac (United States) and Seoul (South Korea) is 15 Hours.
Seoul time is 15 Hours ahead of SeaTac.

SeaTac to Seoul Flight Route Map

Flight map from SeaTac, United States to Seoul, South Korea is given below.
Click the map to view SeaTac to Seoul nonstop flight path and travel direction.

The distance between cities calculated based on their latitudes and longitudes. This is also called distance as the crow flies. Bird flight distance is calculated by drawing a straight line between two point coordinates. The length of this drawn line will give the shortest distance value. This distance may be very much different from the actual travel distance.


SeaTac GPS Coordinates: Latitude: N 47° 26' 36.9'' Longitude: W 122° 17' 45.9''
Seoul GPS Coordinates: Latitude: N 37° 33' 59.5'' Longitude: E 126° 58' 40.7''

SeaTac Map, Where is SeaTac located?

Seoul Map, Where is Seoul located?