Originally Posted by
natcho
Many thanks, I wasn't aware that was the case. Guess I have been lucky to be flying paid J so no need to upgrade in the last years. I wonder though why the hotline would not be able to tell me that, instead asking me to call again in a few weeks
To be honest i am now in doubt as on the FB website states that one indeed can use miles to upgrade to higher cabin.
https://www.flyingblue.com/en/spend/flights/upgrades
I just nevr heard anyone about it.