A flexible display device with a flexible touch screen includes, a window substrate divided into an active area and a non-active area outside of the active area, a touch screen panel including a plurality of sensing patterns on the active area and a plurality of sensing lines on the non-active area, the sensing lines coupled to the sensing patterns, a display panel on one surface of the touch screen panel, a transparent adhesive having at least two layers configured to attach the window substrate, the touch screen panel, and the display panel to one another, and a bending compensation portion on the same layer as at least one layer of the transparent adhesive. The flexible display device includes a folding axis in a first direction along which the window substrate, the touch screen panel, and the display panel are to be repeatedly bent.