A friend was expressing frustration to me recently that he can't use a Latitude Flight Pass to fly into Saskatchewan, because flights are so frequently Y0.

...and yes, that YVR-YYJ leg that's so painfully expensive on its own, frequently adds only a few dollars to an international routing - that is to say, something like NRT-YVR-YYJ might only cost $20 more each way than flying only NRT-YVR on the same aircraft.