A passenger airbag door includes a frame provided in an instrument panel; a skin layer disposed to face the frame; a foamed layer disposed between the frame and the skin layer; and a fabric layer formed in the frame through an insert injection molding process, the frame includes a frame body mounted to the instrument panel; and a deployment line configured to be torn such that the frame body is opened and divided into parts, the deployment line includes a plurality of slots disposed at positions spaced apart from each other along a longitudinal direction of the frame body, and each of the plurality of slots may be formed such that a width thereof is reduced toward opposite ends thereof.