Christchurch Airport (IATA: CHC, ICAO: NZCH) is the main airport that serves Christchurch, New Zealand. It is located 12 kilometres (7.5 mi) to the northwest of the city centre, in the suburb of Harewood. Christchurch (Harewood) Airport officially opened on 18 May 1940 and became New Zealand's first international airport on 16 December 1950. It is the third busiest airport in New Zealand, after Auckland and Wellington by annual passengers, and the second busiest, after Auckland, by aircraft movements.