Are there nonstop flights from Katowice (KTW) to Seoul (ICN)?

No. The fastest connection is via Warsaw, about 10h 21m of total flying time.

What is the fastest connection from Katowice (KTW) to Seoul (ICN)?

via Warsaw ≈ 10h 21m, via Budapest ≈ 10h 58m, via Frankfurt am Main ≈ 11h 56m (estimated flying time, excluding layovers).

from 30,000 ANA miles (economy, one way, based on the published award charts).

Katowice Wojciech Korfanty International Airport (KTW) to Incheon International Airport (ICN)・7,943 km

No nonstop flights. The fastest connection is via Warsaw (WAW), about 10h 21m of flying time (layover not included).

With milesANA 30,000 miles+ (via WAW)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

7 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.