Originally Posted by
Ausriver
Q or N are very low fare classes, they did not even earn any asia miles few years ago. it will be a big price difference if you would like to pay fare difference + change fee (if allowed), similar or even more expansive than buying another discounted business class i fare.
So the questions is, why would like to do it if you can spend less by buying another ticket outright.
Umm...I think ex-Taiwan it is always cheaper to change from an existing ticket, even if it is a Q or N ticket, as the change fee is quite low and certainly lower than the fare itself. For O class, it depends... I don't know about ex-Malaysia tickets, though, or the specific provision that may come with this ticket bought from TA (e. g., IT fare, etc.).