In this study, it has been endeavoured to discuss all respects of the air transportation in the EU. The meaning of the air transportation and the policies of the union in this respect since the foundation of the EU up to now has been analysed. And this sector has been analysed with its sub-sectors in detail and it's endeavoured to make understand the place of the EU in the world. The process of expansion of the EU and what this means for the air transportation have been touched upon.The analysis of where the air transportation is going towards in terms of the future has been made and the suggestions on what can be done for increasing the importance of the EU in the world in terms of air transportation have been put forward in this environment. The aim of the study is to indicate that the air transportation is the basic milestone of the EU's target enlargement in the future and also to present objective ideas to the readers on the precautions which should be taken in terms of air transportation, the policies the EU should improve so that the it can sustain the stability of this development and how it should form its relation with the other countries.