The group, which operates Aer Lingus Regional services, has cancelled all international departures from 28 March until further notice.
It will continue to operate routes from Dublin to both Kerry and Donegal.
International services will be going ahead as normal until 11.59pm tomorrow (24 March), and from 25 to 28 March only from Dublin to Glasgow and Edinburgh.
Stobart Air is also temporarily laying-off staff during the changes.