An aircraft luggage system comprising a luggage compartment which comprises an upper side directed towards a ceiling of an aircraft when the luggage compartment is assembled in the aircraft, a lower side directed towards a floor of the aircraft, a rear side directed towards an outer contour of the aircraft, and two side faces connect the upper side to the lower side. The lower side of the luggage compartment is rigidly connected to the side faces and the rear side of the luggage compartment. A flap, movable between a closed position and an open position, is configured to make an inner space of the luggage compartment accessible or to close it. At least one additional luggage compartment is arranged adjacent to at least one of the upper side and the lower side of the luggage compartment.