Originally Posted by
marcolau317
Generally the tax is based on ITA matrix calculation (which should be close enough to what you will be quoted). Therefore, in some cases (e.g. QR) where cash YQ is much more expensive than simple Avios YQ, you could be charged a much higher YQ instead. Other charges should be more or less the same but expect some minor differences.
thanks. But I still cannot get any agent that would help me to hold a seat on the alternate flight and advise me the tax difference without the seat being released again …. The delay in the tax calculation is too long