Abstract: An inflatable child seat for use in an airplane having a base panel having at least one inflatable air chamber is provided. The inflatable child seat also includes two side panels, each of which have at least one inflatable air chamber. Both side panels are connected to the base panel. A back panel is further provided, having at least one inflatable air chamber, and is connected to the two side panels and the base panel. The back panel is disposed at an angle relative to the base panel. The inflatable child seat also has a belt configured to restrain a child in the seat. The inflatable child seat additionally has a cavity disposed in the back panel and is configured for receiving a seat belt from an airplane or car seat for securing the child seat to the airplane or car seat. The inflatable child seat is provided with at least one port that is in communication with one or more of the air chambers and serves as the means for inflating and deflating these chambers.