e200 each (roughly) at the minute if:
dublin - stansted, sunday morning, first flight
stansted - bari, monday morning
bari - stansted, friday morning
stansted - dublin, friday evening
so that's 400, plus 400 for accommodation for yourself and the good wife here:
http://www.hostelworld.com/availabil...ano/Bari/16724
plus car rental for about 100 from autoeurope (the cheapest i could find)....
all in all, the trip could currently be arranged for about half of what you have paid already.... just to make you feel better, you understand.