An aircraft cabin floor arrangement with air distribution. The arrangement comprises a plurality of floor panels and at least one air supply. The at least one air supply is configured for being arranged in a longitudinal direction of an aircraft. The plurality of floor panels are configured for being arranged in a spanning direction transverse to the longitudinal direction of the aircraft. The plurality of floor panels each comprise a plurality of elongate cavities aligned with the spanning direction of the floor panels. The at least one air supply is fluidly connected to at least a part of the elongate cavities of the floor panels for supplying air from the at least one air supply to the elongate cavities. The fluidly connected elongate cavities are providing supply air to passenger seat areas in an aircraft cabin.