The transition from single-airport to multi-airport systems is going to be a basic tool by which air transportation systems will be able to meet future demand. There are many experiences related to the failure and success of managing the multi-airport systems worldwide. The main objective of the present study is to shed light on the different dimensions and international experiences of the multi-airport system including the Egyptian experience in this regard. The methodology of the study depends on the researcher's critical review based on his scientific background on the phenomenon of multi-airport systems through survey in secondary and primary data. Finally, the study presented a new comprehensive concept of the multi-airport system. The importance and originality of the current research is to ameliorate the concept of multiple-airport system in light of displaying some of international experiences