Are there nonstop flights from Hyderabad (HYD) to Ahmedabad (AMD)?

Yes. IndiGo fly this route. Flight time is about 1h 33m.

What is the fastest connection from Hyderabad (HYD) to Ahmedabad (AMD)?

via Nanded ≈ 2h 3m, via Nashik ≈ 2h 6m, via Indore ≈ 2h 10m (estimated flying time, excluding layovers).

from 15,000 ANA miles (economy, one way, based on the published award charts).

Rajiv Gandhi International Airport (HYD) to Sardar Vallabh Patel International Airport (AMD)・888 km

Nonstop flights available (1 airline). Flight time about 1h 33m. Nonstop return flights also operate.

With milesANA 15,000 miles+ (via BOM)Economy, one way, estimate. Tap a connection for miles by cabin.

21 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.