How long is the flight from heathrow to seoul?

Question

I'm going soon and I only have the flight times in local time, I'm travelling with my school's sister school unfortunately none of my teachers are coming so finding out stuff if quite hard.

Thankyou! x

Answer 1

10h50 last time I flew to ICN (Seoul-Incheon) from LHR (london Heathrow).

Answer 2

12 hours.

Answer 3

Your airline should be able to tell you or who ever made your travel arrangements should be able to answer this question.