Originally Posted by
Shareholder
There's generally a 7-day advance booking requirement on most transborder carriers for the lowest fares, then they jump up to the levels you've found. It's called "open skies"...
Not necessarily. Recently flew CVG-YYZ, with a connection in ORD. Booked for $390 in November, then looked the day before I was going to fly. Same dates of travel, same flights were now $330. I've never seen anything like that before, however, just shows you it can happen.