Louis Armstrong New Orleans International Airport (IATA: MSY, ICAO: KMSY, FAA LID: MSY) is a Class B public use international airport in Jefferson Parish, Louisiana, United States. It is owned by the city of New Orleans and is located 10 nautical miles (19 km) west of its central business district. The airport's address is 900 Airline Drive in Kenner, Louisiana.
A small portion of Runway 10/28 is located in unincorporated St. Charles Parish. Armstrong International is the primary commercial airport for the New Orleans metropolitan area and southeast Louisiana. The airport was formerly known as Moisant Field, and it is also known as Louis Armstrong International Airport and New Orleans International Airport.