Originally Posted by
Crisu69
you do it online in real-time. For that you log into your account and choose the option "Upgrade" at your "Dashboard"
if upgrade is possible for one or all legs they show it in the next window and can choose the leg which you want to upgrade and if you want upgrade with miles or Qcredits.
You receive the confirmation for your upgraded seat at once if upgrade is possible.
There are no fees. QR just deduct Qcredits/Qmiles from your account.
Thank you. Very well explained