Beijing is served by the port of Tianjin, but isn't itself a cruise port. Added up, Tianjin serves as the point of embarkation for just twenty-five annual sailings from Royal Caribbean to Japan.
On average cruises from Beijing are rather expensive compared to other ports. The graph below shows the monthly average cost per day for cruises from Beijing (Cruises only depart from Beijing between March and October). Cruises departing from Beijing during the peak months of summer and fall are considerably more expensive than the the low season of spring.