Which airports does Korean Air flies between for Seoul-London?
For flights between Seoul and London, Korean Air flies from the following airport routes: Incheon Intl (ICN) to Heathrow (LHR)
What do Korean Air flights from Seoul to London cost?
One of Korean Air cheapest prices for a Seoul to London flight we have right now is £ 776.
On average though, flights with Korean Air cost £ 830.41 for the route Seoul to London, though it depends a lot on the season and how far in advance you book your tickets.