The flight between Calcutta (CCU) and Doha (DOH) typically takes about 5 hours and 40 minutes.
There are 7 direct flights between Calcutta and Doha every week.
The flight number is QR541 and it's operated by Qatar Airways.
From Calcutta you will fly out from Netaji Subhash Chandra Bose International (CCU) and you will be landing at Doha International (DOH).
Boeing 787 Dreamliner flies this route operated by Qatar Airways.
Qatar Airways have non-stop flights to Doha.