In additional to pricing difference, there are other considerations for choosing WS:
1. You get Air Mile for booking WS @ 1 AM/$20. (May lead to Gold Status on AM.)
2. Get a Bank of Montreal Mosiak Gold WS MasterCard to purchase your WS travel, you get double AM.
3. Special discount as BMO Mosiak Gold WS M/C holder when redeeming AM on WS.
4. Free Companion ticket when you spent $3,000 on WS each calendar year on
www.westjet.com with BMO Mosiak WS M/C. (A common sense revenue approach to reward, not distance flown like AC where C = Y = M = H = V = Q on most international flights).
Go to:
http://c3dsp.westjet.com/guest/rewar...tsTemplate.jsp and
http://c3dsp.westjet.com/guest/rewards/faqsTemplate.jsp (both from the
www.westjet.com site).
You may redeem AM on many other airlines including AC.