A foldable electronic device is provided. The electronic device includes a flexible display, a first window including a first surface facing the flexible display and a second surface facing the opposite direction to the first surface, the first surface adhered to at least partial region of the flexible display via a first adhesive, and a second window adhered to at least partial region of the second surface of the first window via a second adhesive, in which the first adhesive has a greater thickness than the second adhesive.