Are there nonstop flights from Luton (LTN) to Seoul (ICN)?

No. The fastest connection is via Amsterdam, about 11h 29m of total flying time.

What is the fastest connection from Luton (LTN) to Seoul (ICN)?

via Amsterdam ≈ 11h 29m, via Warsaw ≈ 11h 48m, via Wrocław ≈ 11h 50m (estimated flying time, excluding layovers).

London Luton Airport (LTN) to Incheon International Airport (ICN)・8,823 km

No nonstop flights. The fastest connection is via Amsterdam (AMS), about 11h 29m of flying time (layover not included).

None.

14 one-stop options, sorted by estimated flying time. Tap one to see the airlines on each leg and booking links.

Times are estimated from distance. Check schedules, frequency and availability with the airline or a booking site.