Start here:
http://forum.calgarypuck.com/showthr...=74271&page=47
Also here:
http://www.yycdeals.com/ If you scroll down to the August 31 post, there is a good post by CP's cmyden as to why it's hard to get a good flight deal within Canada. No such thing as flying on standby as far as I know; I see some people on kijiji trying to buy buddy passes on Westjet but I would be surprised if that ever works out...