- In August 1910 the first passenger flight from Northern Ireland took place with the legendary Harry Ferguson as pilot.
- Regular civil services began in 1933 with just 4 passengers flown twice daily between Northern Ireland and Renfrew in Scotland
- In 1938 'Belfast Harbour Airport' was opened by Mrs Neville Chamberlain. The first flight was to Glasgow.
- During the war the airport became known as RAF Belfast and was home to the development and deployment of many famous aircraft.
- In 1952 the runway was extended to its present length of 6000ft.
- In 1960 the airport was the setting for the maiden flight by the world's first Vertical Take Off and Landing Jet (The SC1), a forerunner to the Harrier JumpJet.
- In February 1983 scheduled passenger flights re-commenced but the terminal buildings comprised only of converted sheds and a wartime Nissen Hut.
- In November 1995 Belfast Airport played host to US President Bill Clinton.
- There was continual development after the reopening in 1983 and finally in 2001 a newly constructed terminal building was opened.
- In 2003 the Ferrovial Group - Madrid based and interested in the construction industry and airports around the world - became owners of the airport.