Are there nonstop flights from Beijing (PKX) to Islamabad (ISB)?

Yes. Serene Air fly this route. Flight time is about 5h 6m.

What is the fastest connection from Beijing (PKX) to Islamabad (ISB)?

via Ürümqi ≈ 5h 53m, via Kashgar ≈ 5h 53m, via Bishkek ≈ 6h 21m (estimated flying time, excluding layovers).

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

Beijing Daxing International Airport (PKX) to Islamabad International Airport (ISB)・3,912 km

Nonstop flights available (1 airline). Flight time about 5h 6m. Nonstop return flights also operate.

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

10 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.