Barcelona International Airport (IATA: BCN, ICAO: LEBL) known as El Prat is an airport that serves Barcelona, Spain. It is located 10 km away at the town of El Prat de Llobregat.

Barcelona El Prat Airport is Spain's second largest airport after Madrid Barajas International Airport. It is the largest airport on the country's Mediterranean coast, and it is a hub for Spanair as well as low cost carrier: Vueling Airlines and it is a focus city for Air Europa, Air Madrid and Iberia Airlines. El Prat is the main airport for the city of Barcelona. Its domestic flights are mostly operated by Iberia and Spanair. The airport also serves many European destinations.

The Barcelona-Madrid air shuttle service, known as the "Pont Aeri" (in Catalan) or "Puente Aéreo" (in Spanish), literally "Air Bridge", is the world's busiest route, with the highest number of flight operations (971 per week) in 2007. The schedule has been reduced since February 2008, when a Madrid-Barcelona high-speed rail line was opened, covering the distance in 2½ hours, and quickly has become popular.

In 2008, 30,208,134 passengers used Barcelona International Airport.