Via Rail are offering business class from $59 when you book by August 13.  Travel must be completed by September 22.  Tickets are exchangeable & refundable for a 25% service charge (minimum $20) but there are no additional discounts for seniors (60+), youth (12–25) or children (2–11).

Montréal – Ottawa      $59*
Montréal – Québec City     $69*
Toronto – London     $59*
Toronto – Ottawa     $99*
Toronto – Windsor     $79*
Toronto – Kingston     $89*
Toronto – Montréal     $99*
Québec City – Ottawa     $119*

Click here to buy these business class tickets on Via Rail