UK Belfast International Airport is investing £10m to upgrade the facilities throughout its terminal.
The airport will relocate its central security search to the departures concourse to start the for the upgrade, to help speed up the passengers' journey.
The project also includes the construction of a new two-storey glazed façade in front of the terminal which will facilitate lifts, stairs and escalators to reach the departures concourse and provide space for more than 20 retail, food and beverage outlets by reconfiguring the duty free area.
The project is expected to be complete by summer 2010.
In total, the airport will have spent £25m to improve its facilities in the last five years.
Belfast International Airport managing director John doron said the redesign will make the airport more user-friendly by easing passenger flow from check-in to departure gates, while improving its retail and catering offer.
Russell Simpson Construction is the contractor carrying out the project.