Are there nonstop flights from Altay (AAT) to Beijing (PKX)?

Yes. China Southern Airlines fly this route. Flight time is about 3h 22m.

What is the fastest connection from Altay (AAT) to Beijing (PKX)?

via Turpan ≈ 4h 20m, via Ürümqi ≈ 4h 22m, via Lanzhou ≈ 4h 28m (estimated flying time, excluding layovers).

from 15,000 JAL miles (economy, one way, based on the published award charts).

Altay Xuedu Airport (AAT) to Beijing Daxing International Airport (PKX)・2,440 km

Nonstop flights available (1 airline). Flight time about 3h 22m. Nonstop return flights also operate.

With milesJAL 15,000 miles+ (via XIY)Economy, one way, estimate. Tap a connection for miles by cabin.

11 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.