Are there nonstop flights from Busan (PUS) to Hengyang (HNY)?

No. The fastest connection is via Hangzhou, about 3h 8m of total flying time.

What is the fastest connection from Busan (PUS) to Hengyang (HNY)?

via Hangzhou ≈ 3h 8m, via Shanghai ≈ 3h 9m, via Nanjing ≈ 3h 9m (estimated flying time, excluding layovers).

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

Gimhae International Airport (PUS) to Hengyang Nanyue Airport (HNY)・1,815 km

No nonstop flights. The fastest connection is via Hangzhou (HGH), about 3h 8m of flying time (layover not included).

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

None.

10 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.