Are there nonstop flights from Saga (HSG) to Zhengzhou (CGO)?

No. The fastest connection is via Seoul, about 3h 5m of total flying time.

What is the fastest connection from Saga (HSG) to Zhengzhou (CGO)?

via Seoul ≈ 3h 5m, via Taipei ≈ 3h 59m (estimated flying time, excluding layovers).

Kyushu Saga International Airport (HSG) to Zhengzhou Xinzheng International Airport (CGO)・1,526 km

No nonstop flights. The fastest connection is via Seoul (ICN), about 3h 5m of flying time (layover not included).

None.

2 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.