A dishwasher with improved drying performance

A dishwasher (1) comprising a tub (2) wherein the washing items are washed, rinsed and dried, a fan (4) enables the hot and humid air to be sucked through a suction channel (3) that opens into the tub (2) during the drying process and to be mixed with the dry air from the outside environment in a certain ratio, an outlet port (5) that guides the air blown by the fan (4), a discharge channel (6) that is connected to the outlet port (5) and that enables the air blown by the fan (4) to be delivered to the outside environment and a return channel (7) that is connected to the outlet port (5) and that enables the air blown by the fan (4) to be redelivered into the tub (2), characterized in that a guiding means (8) that is positioned at the outlet port (5), that enables the air sucked from the suction channel (3) and from the outside environment and blown from the outlet port (5) by the fan (4) to be discharged directly to the outside environment by guiding it to the discharge channel (6) or to be redelivered into the tub (2) by guiding it to the return channel (7).