Are there nonstop flights from Kolkata (CCU) to Agartala (IXA)?

Yes. IndiGo, Air India Express fly this route. Flight time is about 52m.

What is the fastest connection from Kolkata (CCU) to Agartala (IXA)?

via Aizawl ≈ 1h 41m, via Silchar ≈ 1h 52m, via Guwahati ≈ 1h 53m (estimated flying time, excluding layovers).

Netaji Subhash Chandra Bose International Airport (CCU) to Agartala - Maharaja Bir Bikram Airport (IXA)・317 km

Nonstop flights available (2 airlines). Flight time about 52m. Nonstop return flights also operate.

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.