Over the past decade or more, Donegal Airport has also been the air support base for the offshore oil and gas industry for many of the major oil companies. It is strategically located for the support of air services to offshore operations off the West and North West coasts of Ireland. Helicopters are based at the Airport and fixed wing charters operate to/from Scotland and Norway for the duration of the contracts. Other airport operations include Air Corps, Marine Search and Rescue Services, private charters and general aviation.
Facilities at the airport include Café Bar Carraigfhinne & Shop, Tourist Information, ATM, Wifi, Enterprise Car Rental, taxi services and hangar and office space rental.