Are there nonstop flights from Beijing (PKX) to Kolkata (CCU)?

No. The fastest connection is via Dhaka, about 4h 49m of total flying time.

What is the fastest connection from Beijing (PKX) to Kolkata (CCU)?

via Dhaka ≈ 4h 49m, via Kunming ≈ 5h 10m, via Kathmandu ≈ 5h 27m (estimated flying time, excluding layovers).

from 18,000 ANA miles, from 23,000 JAL miles (economy, one way, based on the published award charts).

Beijing Daxing International Airport (PKX) to Netaji Subhash Chandra Bose International Airport (CCU)・3,234 km

No nonstop flights. The fastest connection is via Dhaka (DAC), about 4h 49m of flying time (layover not included).

With milesANA 18,000 miles+ (via BKK)JAL 23,000 miles+ (via KMG)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

9 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.