Singapore's Changi Airport has announced it would offer free internet video conferencing for passengers in a move aimed at enhancing its reputation as one of the most modern aviation hubs in Asia.

Thirty computers enabled with web cameras and audio systems have been hooked up to the internet at Changi's Terminal two, the airport's operators said in a statement on Monday.

"These allow travellers at Changi Airport to log on and conduct a video conference with their friends, families and even business associates all for free," it said.

The new internet hub at the airport is called iConnect.