DUR and MEX are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. DUR to MEX refers to a flight route from Durban King Shaka Intl Airport to Mexico City Benito Juarez Airport. Cancun Airport (CUN), Guadalajara Miguel Hidal Airport (GDL), Puerto Vallarta Ordaz Airport (PVR), San José del Cabo Los Cabos Airport (SJD), Monterrey Gen Mariano Escobedo Airport (MTY) are other airports near this flight route and their unique identifiers/IATA codes.