Milan is linked to the rest of the world by an extensive network of flights into its three airports:
Linate, Malpensa (Terminal 1 and 2) and Orio al Serio.

For flight schedules to and from Linate and Malpensa, http://www.sea-aeroportimilano.it/en/ 

For flights from the Orio al Serio airport, phone SACBO, domestic and international arrivals: 035.326323. http://www.sacbo.it/Airpor/portalProcess.jsp?languageID=2

Central Railway Station

http://www.ferroviedellostato.it/homepage_en.html