FSX/Prepar3D – Scenery MMLO-El Bajio, Guanajuato International Airport. Del Bajyo International Airport, officially known as Aeropuerto Internacional de Guanajuato (Guanajuato International Airport) (IATA: BJX, ICAO: MMLO) is an international airport located in Silao, Guanajuato, metropolitan area of Leon, Guanajuato, Mexico. It handles national and international air traffic of the area that includes the city and the state capital, Guanajuato. Guanajuato International Airport is an important connecting point for some flights from Mexico City to the United States. The general interior director announce plans to build a cargo terminal and for the construction of a second runway. By Fernando Angel G.