Are there nonstop flights from Seoul (ICN) to Beihai (BHY)?

No. The fastest connection is via Nanjing, about 3h 50m of total flying time.

What is the fastest connection from Seoul (ICN) to Beihai (BHY)?

via Nanjing ≈ 3h 50m, via Changsha ≈ 3h 52m, via Hangzhou ≈ 3h 53m (estimated flying time, excluding layovers).

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

Incheon International Airport (ICN) to Beihai Fucheng Airport (BHY)・2,420 km

No nonstop flights. The fastest connection is via Nanjing (NKG), about 3h 50m of flying time (layover not included).

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

None.

19 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.