Originally Posted by
98103
what if you factor in a SEA-LAS oneway?
One way SEA-LAS
+
RT- LAS-SEA-YYC-SEA-LAS?
if you don't take the last flight, they can't cancel the rest of your itinerary (though technically, still a violation of the terms and conditions fine print.
or a LAS-SEA RT?
longer trip, but more miles.

Not sure i follow you. Why would i want to book a SEA-LAS oneway if what i really want is a SEA-YYC-SEA that won't get cancelled? I must be missing something...