There is described a feeding unit for feeding sealed packs of pourable food products to a folding unit configured to form folded packages from relative the packs; the feeding unit comprising a feeding conveyor adapted to receive packs at an inlet station of the feeding unit and to drive them to an outlet station of the feeding unit; the feeding conveyor comprising at least one push member movable cyclically and having a cooperating surface adapted to cooperate, in use, with a relative pack to push it towards the outlet station along a substantially rectilinear portion of an advancement path, wherein the cooperating surface has an involute-shaped profile. Furthermore, there is provided a corresponding method for feeding sealed packs of pourable food products to a folding unit.