Tokyo is not itself a cruise port, but is served by the port of Yokohama. Together, the port of Yokohama functions as the embarkation for around one hundred cruises anually from Holland America, Norwegian, Celebrity and more to Asia.
On average Tokyo is somewhat inexpensive compared to other ports. Sailings scheduled from Tokyo during the the peak season of spring are more expensive than the low seasons of winter, summer, and fall. See the graph below for the average cost per day by month (Cruises only depart from Tokyo between February and November).