- Iberia Airport refers to the airline known as Iberia, which is the flag carrier and largest airline of Spain. However, there is no specific airport named Iberia Airport. Iberia operates from several airports in Spain, including Madrid-Barajas Airport (MAD) in Madrid, Barcelona-El Prat Airport (BCN) in Barcelona, and Adolfo Suárez Madrid-Barajas Airport (MAD) in Madrid, among others.