Are there nonstop flights from New Delhi (DEL) to Guangzhou (CAN)?

Yes. China Southern Airlines, IndiGo fly this route. Flight time is about 4h 48m.

What is the fastest connection from New Delhi (DEL) to Guangzhou (CAN)?

via Kathmandu ≈ 5h 18m, via Dhaka ≈ 5h 26m, via Hanoi ≈ 5h 29m (estimated flying time, excluding layovers).

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

Indira Gandhi International Airport (DEL) to Guangzhou Baiyun International Airport (CAN)・3,650 km

Nonstop flights available (2 airlines). Flight time about 4h 48m. Nonstop return flights also operate.

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

22 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.