Are there nonstop flights from New Delhi (DEL) to Chengdu (TFU)?

No. The fastest connection is via Kathmandu, about 4h 10m of total flying time.

What is the fastest connection from New Delhi (DEL) to Chengdu (TFU)?

via Kathmandu ≈ 4h 10m, via Hanoi ≈ 5h 44m, via Bishkek ≈ 6h 27m (estimated flying time, excluding layovers).

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

Indira Gandhi International Airport (DEL) to Chengdu Tianfu International Airport (TFU)・2,649 km

No nonstop flights. The fastest connection is via Kathmandu (KTM), about 4h 10m of flying time (layover not included).

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

None.

11 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.