Aer Lingus has confirmed that it is exploring options around the possibility of being able to run the Public Service Obligation route between Dublin and Donegal.
Stobart Air had previously operated the Dublin to Donegal Route but the board recently placed the company into liquidation.
Stobart Air had run the Aer Lingus Regional franchise and was due to continue doing so until the end of next year.
One of the challenges it has is that Aer Lingus’ existing fleet of aircraft is too large for the runway at Carrickfinn.
The Department of Transport said it is actively considering all options, taking legal advice, and working to ensure a replacement service is in place on the routes as quickly as possible.