A vehicle air conditioning device includes: a sucking section provided at a seat that is disposed over a floor portion of a cabin, the sucking section configured to suck air via the seat from a vehicle front side relative to the seat, from a floor portion side relative to a vehicle vertical direction middle of the cabin; and a guiding section configured to guide air sucked by the sucking section toward the floor portion side at a vehicle rear side relative to the seat or toward a vehicle upper side.