A vehicle sunroof apparatus includes: a movable panel adapted to open and close an opening formed on a roof of a vehicle; a guide rail disposed in each edge portion of the opening; a slide member linked to each edge portion of the movable panel, disposed movable along the guide rail, and driven to move by an electrical driving source; a check mechanism regulating a movement of the movable panel; a first member supported by one of each edge portion of the movable panel and the slide member; a support shaft fixed to the other of each edge portion of the movable panel and the slide member; a second member supported by the support shaft; and a coil spring wound around the support shaft, and biasing the second member in the axial direction.