Are there nonstop flights from Beijing (PEK) to Manzhouli (NZH)?

Yes. Grand China Air fly this route. Flight time is about 1h 45m.

What is the fastest connection from Beijing (PEK) to Manzhouli (NZH)?

via Tongliao ≈ 2h 37m, via Hohhot ≈ 2h 44m, via Dalian ≈ 2h 57m (estimated flying time, excluding layovers).

from 10,000 ANA miles (economy, one way, based on the published award charts).

Beijing Capital International Airport (PEK) to Manzhouli Xijiao Airport (NZH)・1,057 km

Nonstop flights available (1 airline). Flight time about 1h 45m. Nonstop return flights also operate.

With milesANA 10,000 miles+ (via HET)Economy, one way, estimate. Tap a connection for miles by cabin.

5 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.