Are there nonstop flights from Ahmedabad (AMD) to Shenzhen (SZX)?

No. The fastest connection is via Hanoi, about 6h of total flying time.

What is the fastest connection from Ahmedabad (AMD) to Shenzhen (SZX)?

via Hanoi ≈ 6h, via Bangkok ≈ 6h 40m, via Bangkok ≈ 6h 42m (estimated flying time, excluding layovers).

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

Sardar Vallabh Patel International Airport (AMD) to Shenzhen Bao'an International Airport (SZX)・4,204 km

No nonstop flights. The fastest connection is via Hanoi (HAN), about 6h of flying time (layover not included).

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

None.

8 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.