Are there nonstop flights from Ahmedabad (AMD) to Kolkata (CCU)?

Yes. IndiGo, Akasa Air, SpiceJet fly this route. Flight time is about 2h 24m.

What is the fastest connection from Ahmedabad (AMD) to Kolkata (CCU)?

via Indore ≈ 2h 55m, via Ranchi ≈ 2h 55m, via Raipur ≈ 2h 58m (estimated flying time, excluding layovers).

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

Sardar Vallabh Patel International Airport (AMD) to Netaji Subhash Chandra Bose International Airport (CCU)・1,620 km

Nonstop flights available (3 airlines). Flight time about 2h 24m. Nonstop return flights also operate.

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

24 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.