British Airways together with their partner American Airlines offer an alternative solution to Canada. Open-jaw flights from Europe are available for €375. You would have to look for departures from Dublin and returning back to Germany, Italy or Vienna. You have to look for flights to Montreal with return back to Toronto or you can switch to where you will fly first.
In case of interest please look for travel dates between 23rd of August 2014 and 28th of March 2015 except black out period during Christmas holidays. Max stay 3 months. Promotional fares with British Airways are available for bookings made till 31st of July 2014 or until sold out.
Alternative: If you would like to visit Canada at the end of summer period you may consider this great offer with Air Transat. Open-jaw flights from Dublin to Toronto and return back to Prague or UK (London, Manchester) are available from €292 or Ł246!
We recommed to use Skyscanner tool to quickly find out your connection possibilities from your home town. For instance Dublin and Dusseldorf is connected with Aer Lingus. One-way tickets are currently available for €60. This is bookable directly with the airline.
Booking sample fo chepa open-jaw flights to Canada from Europe with British Airways for €375. In this case you would be departing from Dublin to Montreal on 2nd of February and returning from Toronto back to Dusseldorf on 15th of February 2015.