Are there nonstop flights from Yanji (YNJ) to Kashgar (KHG)?

No. The fastest connection is via Beijing, about 6h 22m of total flying time.

What is the fastest connection from Yanji (YNJ) to Kashgar (KHG)?

via Beijing ≈ 6h 22m, via Beijing ≈ 6h 23m, via Chongqing ≈ 7h 27m (estimated flying time, excluding layovers).

from 10,000 ANA miles, from 23,000 JAL miles (economy, one way, based on the published award charts).

Yanji Chaoyangchuan Airport (YNJ) to Kashgar Laining International Airport (KHG)・4,409 km

No nonstop flights. The fastest connection is via Beijing (PEK), about 6h 22m of flying time (layover not included).

With milesANA 10,000 miles+ (via PEK)JAL 23,000 miles+ (via SHA)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

8 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.