Barajas Airport is  the main international airport serving Madrid in Spain. In 2010, over 49.8 million passengers used Madrid-Barajas, making it the country's largest and busiest airport, and in 2009 it was the world's 11th busiest airpor and Europe's fourth busiest airport. It opened in 1928, and has grown to be one of the most important aviation centres of Europe. Located within the city limits of Madrid, just 9 km (5.6 mi) from the city's financial district and 13 km (8.1 mi) northeast of the Puerta del Sol, Madrid's historic centre.

Connected to the metro and bus system getting into the city centre via public transport is a cheap and effective option.