Disclosed is a flush handle for a door of a vehicle. The flush handle includes a housing installed in the door of the vehicle, a handle portion installed in the housing, a pivot portion formed on one side of the handle portion and including a rotating shaft, an interconnection groove formed in the pivot portion, a driving portion which is installed in the housing, includes an opening member having one side coupled to the interconnection groove, and is configured to linearly move and to transfer power to the handle portion, and a return spring installed on the rotating shaft. Here, when the opening member linearly moves, the pivot portion rotates on the rotating shaft through the interconnection groove such that the handle portion rotates.