Milano Malpensa Airport "City of Milan" (IATA: MXP, ICAO: LIMC), former "Aeroporto Città di Busto Arsizio"  is Milan's largest airport. It is located 39.97 km (24.83 mi) northwest of central Milan, Italy. It is one of 3 airports in the Milan metropolitan area.

The airport is connected to Milan by the Milano-Varese highway as well as by the "Malpensa Express" train starting from the Milan Cadorna railway station (LeNord regional railways) and taking about 40 minutes. It is also connected to Linate Airport by a scheduled bus service and by Milan's local transportation. The Milan airport system has a third international airport, Orio al Serio Airport, which serves low-cost traffic.

Malpensa was the 23rd busiest airport in Europe in terms of passengers, handling 17,551,635 passengers in 2009 (25.8 million with Linate, the second airport of Milan, closer to downtown and over 33 million with Orio al Serio Airport, Milan's low-cost airport). As of early 2008, Malpensa remains the top Italian airport in terms of international traffic, together with Rome Leonardo da Vinci Airport in terms of total passengers. As far as hub transit passengers are concerned it is also the second airport in Italy after Rome, according to ASSAEROPORTI traffic data. It is also the leading air freight gateway to Italy. Malpensa serves a population of over 15 million inhabitants.

easyJet has a dedicated Terminal (T2) and Malpensa is that company's biggest base outside the UK.

In 2008 Lufthansa announced plans to create its first Hub outside Germany, and its fourth European hub. In October 2008 Lufthansa set up its Italian division, Lufthansa Italia. SEA (the company which controls Milan's airports) and Lufthansa have a memorandum of understanding for future development and improvement of current facilities. In July 2009 Lufthansa announced that it had requested 10 additional daily slots at Malpensa.[4] As of July 2010, "Lufhtansa Italia" serves fifteen destinations from Milan.

Malpensa has two terminals and a third runway has been announced, with completion set for 2012. There is also a dedicated cargo terminal called "CargoCity", which currently handles over 410,000 tons of yearly traffic.