It is an object to provide a seat of which a seating comfort can be improved. The seat includes a seat cushion pad having an air passage formed inside and an air vent formed at an upper surface thereof, and is configured to allow air in the air passage to blow out through the air vent, wherein the seat cushion pad includes a pad body and a cover member which is disposed over the pad body to form the air passage between the pad body and the cover member and in which the air vent is formed, and a front end portion of the cover member extends downward over a front end portion of the pad body.