Are there nonstop flights from Ganzhou (KOW) to Seoul (ICN)?

No. The fastest connection is via Nanjing, about 3h of total flying time.

What is the fastest connection from Ganzhou (KOW) to Seoul (ICN)?

via Nanjing ≈ 3h, via Hangzhou ≈ 3h 1m, via Shanghai ≈ 3h 2m (estimated flying time, excluding layovers).

from 11,000 ANA miles, from 15,000 JAL miles (economy, one way, based on the published award charts).

Ganzhou Huangjin Airport (KOW) to Incheon International Airport (ICN)・1,697 km

No nonstop flights. The fastest connection is via Nanjing (NKG), about 3h of flying time (layover not included).

With milesANA 11,000 miles+ (via PEK)JAL 15,000 miles+ (via PVG)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

20 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.