Are there nonstop flights from Bangkok (BKK) to Kashgar (KHG)?

No. The fastest connection is via Islamabad, about 6h 4m of total flying time.

What is the fastest connection from Bangkok (BKK) to Kashgar (KHG)?

via Islamabad ≈ 6h 4m, via Ürümqi ≈ 6h 28m, via Chengdu ≈ 6h 29m (estimated flying time, excluding layovers).

from 18,000 ANA miles, from 37,000 JAL miles (economy, one way, based on the published award charts).

Suvarnabhumi Airport (BKK) to Kashgar Laining International Airport (KHG)・3,756 km

No nonstop flights. The fastest connection is via Islamabad (ISB), about 6h 4m of flying time (layover not included).

With milesANA 18,000 miles+ (via TFU)JAL 37,000 miles+ (via PVG)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

16 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.