The port of Doha acts as the departure port for one sailings every year from both Norwegian and MSC to.
Cruises scheduled from Doha during the the peak season of winter are significantly more expensive than the the low season of spring. On average sailings from Doha are fairly inexpensive compared to other ports. Take a look at the diagram below for the monthly average cost per day (Cruises only depart from Doha between January and December).