I found WestJet gives you these flights that feel cheaper, because they split them into the 2 parts of the flights, and you have to go through the entire picking of options before you get the total...... momondo.com
shows the WestJet flights, including the total. And flyairnorth does the same thing of not showing the total, and indeed do not seem to show up in momondo.
The one that always shows cheaper options is JustFly/FlightHub - but have never used them, yet....
@JimBaker - ~ how much cheaper was WestJet, or can you give some measure of comparison? I have played the numbers from so many angles and would like something to compare