Germanwings have released Cologne at 3 weekly (Wed, Fri, Sun).
Meanwhile 570,000 people from the North used DUB last year up 11% and despite all the London capacity from BFS/BHD/LDY - LHR, LGW, STN are in 10 routes used.
http://www.dublinairport.com/gns/at-...ess_By_11.aspx