Are there nonstop flights from Zhanjiang (ZHA) to Seoul (ICN)?

No. The fastest connection is via Nanjing, about 3h 45m of total flying time.

What is the fastest connection from Zhanjiang (ZHA) to Seoul (ICN)?

via Nanjing ≈ 3h 45m, via Guangzhou ≈ 3h 47m, via Hangzhou ≈ 3h 47m (estimated flying time, excluding layovers).

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

Zhanjiang Wuchuan International Airport (ZHA) to Incheon International Airport (ICN)・2,342 km

No nonstop flights. The fastest connection is via Nanjing (NKG), about 3h 45m of flying time (layover not included).

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

None.

21 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.