barcelona–el prat airport (catalan: "aeroport de barcelona – el prat", spanish: "aeropuerto de barcelona-el prat"), simply known as barcelona airport, is spanish airport. it is southwest of the centre of barcelona, catalonia, spain. it is in the municipalities of el prat de llobregat, viladecans, and sant boi. barcelona's first airfield, located at el remolar, began operations in 1916.