Beijing is served by the port of Tianjin, but is not itself a cruise port. Together, Tianjin serves as the port of embarkation for approximately forty-five sailings yearly from Royal Caribbean to Asia.
Cruises scheduled from Beijing during the the peak season of summer are much more expensive than the low months of spring and fall. Overall Beijing is fairly expensive compared to other ports. Check the diagram below for the average cost per day by month (Cruises only depart from Beijing between March and October).