Originally Posted by
oxymoron
Thanks for your reply. However, it is not clear what kind of extra taxes needs to be paid for upgrade awards. I would assume that these taxes would have already been paid for with the economy class ticket or ?
Departure/arrival/airport/etc taxes and fees vary from class to class, so any difference would have to be footed by the passenger. Not sure what the specific tax differences would be on your route. Easiest way to find out would be to call Flying Returns and ask...