There was a Belfast Aldergrove to Jersey Service which operated for many summer seasons with the Fokker 70s and 100s. Also Aldergrove (and later Belfast City) to East Midlands operated with Saab 340s and then Embraer jets before the route moved back to Aldergrove, operated by bmibaby.
According to this shot on A.net, there was also a LHR-ZRH service in the mid 90s:
http://www.airliners.net/photo/Briti...-0100)/0992966