Tokyo is served by the port of Yokohama, but isn't actually a cruise port. Together, the port of Yokohama is the departure port for twenty sailings yearly from Norwegian, Celebrity, and Holland America to Asia.
On average Tokyo is rather expensive compared to other ports. Sailings leaving from Tokyo during the the peak season of winter are significantly more expensive than the the low season of fall. The illustration below shows the monthly average cost per day for cruises from Tokyo (Cruises only depart from Tokyo between February and November).
And More