Are there nonstop flights from Xining (XNN) to Shiquanhe (NGQ)?

Yes. Tibet Airlines fly this route. Flight time is about 2h 56m.

What is the fastest connection from Xining (XNN) to Shiquanhe (NGQ)?

via Shannan ≈ 3h 49m, via Shache ≈ 4h 28m, via Ürümqi ≈ 4h 28m (estimated flying time, excluding layovers).

from 23,000 JAL miles (economy, one way, based on the published award charts).

Xining Caojiabao International Airport (XNN) to Ngari Gunsa Airport (NGQ)・2,073 km

Nonstop flights available (1 airline). Flight time about 2h 56m. Nonstop return flights also operate.

With milesJAL 23,000 miles+ (via XIY)Economy, one way, estimate. Tap a connection for miles by cabin.

5 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.