Are there nonstop flights from Indore (IDR) to Ahmedabad (AMD)?

Yes. IndiGo fly this route. Flight time is about 53m.

What is the fastest connection from Indore (IDR) to Ahmedabad (AMD)?

via Mumbai ≈ 2h 7m, via Navi Mumbai ≈ 2h 8m, via Jaipur ≈ 2h 9m (estimated flying time, excluding layovers).

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

Devi Ahilya Bai Holkar International Airport (IDR) to Sardar Vallabh Patel International Airport (AMD)・327 km

Nonstop flights available (1 airline). Flight time about 53m. Nonstop return flights also operate.

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

5 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.