Orio al Serio International Airport, (IATA: BGY, ICAO: LIME) the third busiest international airport in Italy, is in Orio al Serio, 3.7 km (2.3 mi) southeast of Bergamo and 45 km (28 mi) north-east of Milan, where it operates alongside Malpensa Airport and Linate Airport, the city's other two primary airports. The airport served almost 13 million passengers in 2018.