A vehicle control system includes a position identifying unit, a route information acquiring unit, a control information determining unit, and a control unit. The position identifying unit is configured to identify an expected boarding position where an occupant is to get in a vehicle. The route information acquiring unit is configured to acquire route information of the occupant to the expected boarding position. The control information determining unit is configured to determine, on the basis of the route information, a set temperature, a control start timing, or both as control information to be used for pre-air conditioning control for a vehicle compartment space of the vehicle. The control unit is configured to perform at least the pre-air conditioning control on the basis of the control information.