Are there nonstop flights from Yulin (UYN) to Changsha (CSX)?

Yes. Tianjin Airlines, GX Airlines fly this route. Flight time is about 1h 53m.

What is the fastest connection from Yulin (UYN) to Changsha (CSX)?

via Xi'an ≈ 2h 28m, via Ankang ≈ 2h 30m, via Nanchang ≈ 2h 44m (estimated flying time, excluding layovers).

from 12,000 JAL miles (economy, one way, based on the published award charts).

Yulin Yuyang Airport (UYN) to Changsha Huanghua International Airport (CSX)・1,180 km

Nonstop flights available (2 airlines). Flight time about 1h 53m. Nonstop return flights also operate.

With milesJAL 12,000 miles+ (via XIY)Economy, one way, estimate. Tap a connection for miles by cabin.

28 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.