Originally Posted by
Jeff_
Because he is not sure he will find an opportunity to use its voucher after and I am not an expert but I thought departing from CDG award upgrade was better than award ticket given all the surcharges
Award upgrade will not be much cheaper in terms of miles than an award redemption, and of course there is no guarantee there will be availability for an upgrade.
Having said that, if otherwise the voucher expires, probably better to use it ^