Are there nonstop flights from Yanji (YNJ) to Changsha (CSX)?

No. The fastest connection is via Qingdao, about 3h 35m of total flying time.

What is the fastest connection from Yanji (YNJ) to Changsha (CSX)?

via Qingdao ≈ 3h 35m, via Yantai ≈ 3h 35m, via Dalian ≈ 3h 36m (estimated flying time, excluding layovers).

from 10,000 ANA miles, from 15,000 JAL miles (economy, one way, based on the published award charts).

Yanji Chaoyangchuan Airport (YNJ) to Changsha Huanghua International Airport (CSX)・2,189 km

No nonstop flights. The fastest connection is via Qingdao (TAO), about 3h 35m of flying time (layover not included).

With milesANA 10,000 miles+ (via ICN)JAL 15,000 miles+ (via YNT)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

13 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.