Are there nonstop flights from Bishkek (BSZ) to Guangzhou (CAN)?

Yes. China Southern Airlines fly this route. Flight time is about 5h 24m.

What is the fastest connection from Bishkek (BSZ) to Guangzhou (CAN)?

via Chengdu ≈ 5h 54m, via Almaty ≈ 5h 56m, via Ürümqi ≈ 6h 5m (estimated flying time, excluding layovers).

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

Manas International Airport (BSZ) to Guangzhou Baiyun International Airport (CAN)・4,168 km

Nonstop flights available (1 airline). Flight time about 5h 24m. Nonstop return flights also operate.

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

15 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.