Carcassone or Rodez, spend a week there, drive up to Paris for a short stay, then on to Dublin and home. Ryanair doesn't fly to those southern France airports every day, so we are very interested in finding out when they will reveal their summer 2013 timetable and open it up for booking. Thanks!
It should be out Nov/Dec. Bare in mind that FR only finalise there schedules 4 weeks before the summer season startes so it won't be set in stone until the week begining 4 March 2013. As said above EI can work out much cheeper than FR most of the time.
Rodz will most lighlty operate for 2013 on Sun/Wed or Tue/Sat.
Carcassone will most lightly operate for 2013 on Sun,Mon,Wed,Fri,Sat (some days will only be peak summer).
If the above is the general area you want to get to then you also have:
Air France/Cityjet operate to Pau once weekly dep DUB on Friday and return on Mon.
Aer Lingus operate to Toulouse 4 times weekly and they also fly 3 times weekly to Perpinan. I would reccomond them as FR double baggage charges in summer 15kg will cost you 30 euro. EI will offer 15kg for 15 euro.