The duration of a flight between Seattle and Seoul, South Korea, varies based on several factors. Nonstop flights generally range from 10 to 12 hours. Connecting flights, which involve one or more layovers, can significantly extend the total travel time, sometimes up to 20 hours or more depending on the layover duration and location. Factors influencing flight time include wind conditions, air traffic control, and the specific route taken.
Understanding the typical flight duration is crucial for travelers planning trips between Seattle and Seoul. This knowledge allows for more accurate itinerary planning, including scheduling connecting flights, ground transportation, and accommodations. Being aware of the potential range in travel time allows for flexibility in case of delays. Historically, advancements in aviation technology have gradually reduced flight times on this route, making travel between these two major cities more efficient.