An air guidance arrangement for a motor vehicle, having - an air guidance channel, wherein the air guidance channel has a channel wall which delimits a cavity for conducting the air, said cavity lying between at least one first through opening for the inlet of air and at least one second through opening for the outlet of air, and wherein the channel wall has an outer side and an inner side, wherein the air guidance channel is produced in a single piece in a blow-molding method or in a thermoforming method, wherein the air guidance channel has, in the region of at least one of its through openings (4, 5), a connection section formed in a single piece with the air guidance channel for connecting, in an air-conducting manner, the air guidance channel to a further air guidance channel or for connecting, in an air-conducting manner, the air guidance channel to an air distribution element, wherein the connection section is a flange which partially or completely surrounds the through opening, wherein the flange has a double-wall design at least in some regions and the flange encloses a cavity in the double-wall regions between the opposite flange sides, and wherein within the flange, at least one latching element receiver for connection to a latching element of the further air guidance channel or for connection to a latching element of the air distribution element is formed, characterized in that the latching element receiver is a passage that penetrates the flange and the passage is sealed with respect to the cavity of the flange. - an air guidance channel, wherein the air guidance channel has a channel wall which delimits a cavity for conducting the air, said cavity lying between at least one first through opening for the inlet of air and at least one second through opening for the outlet of air, and wherein the channel wall has an outer side and an inner side, wherein the air guidance channel is produced in a single piece in a blow-molding method or in a thermoforming method, wherein the air guidance channel has, in the region of at least one of its through openings (4, 5), a connection section formed in a single piece with the air guidance channel for connecting, in an air-conducting manner, the air guidance channel to a further air guidance channel or for connecting, in an air-conducting manner, the air guidance channel to an air distribution element, wherein the connection section is a flange which partially or completely surrounds the through opening, wherein the flange has a double-wall design at least in some regions and the flange encloses a cavity in the double-wall regions between the opposite flange sides, and wherein within the flange, at least one latching element receiver for connection to a latching element of the further air guidance channel or for connection to a latching element of the air distribution element is formed, characterized in that the latching element receiver is a passage that penetrates the flange and the passage is sealed with respect to the cavity of the flange. wherein the air guidance channel is produced in a single piece in a blow-molding method or in a thermoforming method, wherein the air guidance channel has, in the region of at least one of its through openings (4, 5), a connection section formed in a single piece with the air guidance channel for connecting, in an air-conducting manner, the air guidance channel to a further air guidance channel or for connecting, in an air-conducting manner, the air guidance channel to an air distribution element, wherein the connection section is a flange which partially or completely surrounds the through opening, wherein the flange has a double-wall design at least in some regions and the flange encloses a cavity in the double-wall regions between the opposite flange sides, and wherein within the flange, at least one latching element receiver for connection to a latching element of the further air guidance channel or for connection to a latching element of the air distribution element is formed, characterized in that the latching element receiver is a passage that penetrates the flange and the passage is sealed with respect to the cavity of the flange.