Are there nonstop flights from Tashkent (TAS) to Guiyang (KWE)?

No. The fastest connection is via Chengdu, about 5h 32m of total flying time.

What is the fastest connection from Tashkent (TAS) to Guiyang (KWE)?

via Chengdu ≈ 5h 32m, via Ürümqi ≈ 5h 50m, via Xi'an ≈ 6h 11m (estimated flying time, excluding layovers).

from 18,000 ANA miles, from 23,000 JAL miles (economy, one way, based on the published award charts).

Tashkent International Airport (TAS) to Guiyang Longdongbao International Airport (KWE)・3,792 km

No nonstop flights. The fastest connection is via Chengdu (TFU), about 5h 32m of flying time (layover not included).

With milesANA 18,000 miles+ (via PEK)JAL 23,000 miles+ (via XIY)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.