Which airports does Korean Air flies between for London-Seoul?
For flights between London and Seoul, Korean Air flies from the following airport routes: Heathrow (LHR) to Incheon Intl (ICN)
What do Korean Air flights from London to Seoul cost?
One of Korean Air cheapest prices for a London to Seoul flight we have right now is £ 774.
On average though, flights with Korean Air cost £ 794.97 for the route London to Seoul, though it depends a lot on the season and how far in advance you book your tickets.