Are there nonstop flights from Kolkata (CCU) to Bangkok (DMK)?

Yes. Thai AirAsia, Thai Lion Air fly this route. Flight time is about 2h 24m.

What is the fastest connection from Kolkata (CCU) to Bangkok (DMK)?

via Yangon ≈ 2h 53m, via Guwahati ≈ 3h 31m, via Siem Reap ≈ 3h 46m (estimated flying time, excluding layovers).

Netaji Subhash Chandra Bose International Airport (CCU) to Don Mueang International Airport (DMK)・1,609 km

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

12 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.