What is the flight time from Seoul to London?

The flight time from Incheon International Airport (ICN) in Seoul, South Korea to Heathrow Airport (LHR) in London, UK is approximately 11 hours and 30 minutes for a direct flight. However, the actual flight time may vary depending on factors such as weather conditions, wind direction, and the airline's route. Some flights may take slightly longer or shorter than this estimated time. It's always best to check with the airline or refer to the flight schedule for the most up-to-date information on flight times.