How far in advance is the best time to book a flight with airmiles?
If you can’t do it that far ahead, book as soon as you can for the best prices & most choices. A couple of years ago they changed their system so it’s more like booking a normal flight – cheaper the sooner you book. But a) don’t believe what the website says is available – in my experience you always need to phone & be prepared to spend 45-60 mins on the phone, and b) watch out for the winter-to-summer timetable change. Sources: http://fodors.com/forums/threadselect.jsp?