There have been some interesting posts on the subject of new routes/new opportunities and I am convinced that the size of aircraft that are in place with Aer Lingus and Easyjet dont always lend themselves to new markets unless sunshine routes for peak season. But what about Flybe or Loganair looking at a few near continental european routes?
What about a daily Saab/Dash on Brussels? A daily Dash on Frankfurt?
What about a mon-fri Dusseldorf rotation on Saab?
If and when Ryanair lauch BHD to continental europe from the city airport no doubt they will jump onto Alicante, Girona, Malaga, Beauvais and Rome.
Aer Lingus' position will be most challenged rather than easyjet. The easyjet brand is very strong here and level of business on Stansted Belfast International is testimony to the brand. They match and exceed Ryanair's city numbers many months!