Buy one flight ticket get one totally free (incl taxes / charges) - today only!
Travel period May 1st - May 31st (bank holiday time!!!)
Award winning German airline, flying from the UK to several German destinations:
Stansted to: Dusseldorf, Hanover, Munster/Osnabrook, Nuremberg, Paderborn
Manchester to: Paderborn
NB - I tried the direct link several times but eventually got through! The AirBerlin website seems to be somwhat overburdened with the demand.