Aer Lingus
In August 2020, Aer Lingus subsidiary Aer Lingus Regional established a new base at the airport, operating five aircraft to six UK destinations. In June 2021, Aer Lingus Regional operator Stobart Air ceased operations, leading to the cancellation of all Aer Lingus Regional flights. Aer Lingus and British Airways commenced flights to the majority of Aer Lingus Regional's destinations from Belfast City Airport.