Are there nonstop flights from Dhaka (DAC) to Beijing (PKX)?

Yes. China Southern Airlines fly this route. Flight time is about 4h 2m.

What is the fastest connection from Dhaka (DAC) to Beijing (PKX)?

via Kunming ≈ 4h 54m, via Kathmandu ≈ 5h 29m, via Guangzhou ≈ 5h 53m (estimated flying time, excluding layovers).

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

Hazrat Shahjalal International Airport (DAC) to Beijing Daxing International Airport (PKX)・2,997 km

Nonstop flights available (1 airline). Flight time about 4h 2m. Nonstop return flights also operate.

With milesJAL 23,000 miles+ (via KMG)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.