This work approaches the relation behavior-built environment to the light of the ergonomics. Through the ergonomic methodology, a study of case in the terminal of passengers of the International Airport of Brasilia President Juscelino Kubitschek was become fulfilled, to evaluate the passenger`s constraints during the execution of the departure, transit and landing processes. Questions as disoriented movement and extreme displacements had led to a deeper inquiry concerning the process of spatial orientation. With the objective to improve the conditions of comfort of the passengers at this airport, this research formulated the ergonomic recommendations, result of all the inquiry.