Are there nonstop flights from Belgrade (BEG) to Beijing (PEK)?

Yes. Hainan Airlines fly this route. Flight time is about 9h 14m.

What is the fastest connection from Belgrade (BEG) to Beijing (PEK)?

via Astana ≈ 9h 46m, via Bucharest ≈ 9h 50m, via Moscow ≈ 9h 51m (estimated flying time, excluding layovers).

from 30,000 ANA miles (economy, one way, based on the published award charts).

Belgrade Nikola Tesla Airport (BEG) to Beijing Capital International Airport (PEK)・7,425 km

Nonstop flights available (1 airline). Flight time about 9h 14m. Nonstop return flights also operate.

With milesANA 30,000 miles+ (via WAW)Economy, one way, estimate. Tap a connection for miles by cabin.

32 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.