Belfast International Airport (IATA: BFS, ICAO: EGAA) is an airport 11.5 NM (21.3 km; 13.2 mi)[2] northwest of Belfast in Northern Ireland, is the main airport for the city of Belfast. Until 1983, it was known as Aldergrove Airport, after the nearby village of Aldergrove. In 2018, over 6.2 million passengers travelled through the airport, a 7.4% increase compared with 2017. The majority of flights from Belfast International are operated by easyJet, Northern Ireland's biggest airline. It features flights to some European metropolitan and several leisure destinations.

Belfast International has a CAA Public Use Aerodrome Licence that allows flights for the public transport of passengers or for flying instruction.