Bumper apparatus for vehicle

A bumper apparatus for a vehicle includes a bumper reinforcement (2) extending in a vehicle width direction and a bumper stay (4) fastened to one side of the bumper reinforcement and including a body extending in a front-rear direction of a vehicle and a first plate (5) fastened to one end of the body. The bumper apparatus for a vehicle is characterized in that the first plate includes a contacting surface portion (10) provided along the bumper reinforcement, a slanting surface portion (11) branching from the bumper reinforcement, a first flange portion (14) extending outside the body of the bumper stay, and second flange portions (9) provided at both side ends of the first plate contacting with side surfaces of the body of the bumper stay.