Originally Posted by
beachfan
I did not see any information about Fare Class Z in the KLM search.
Originally Posted by beachfan
PS Still have no idea what Fare Class Z is on KLM
It looks like you found the information on the website and answered your own question as to what KLM Z class is:
Originally Posted by beachfan
The website says :
Business - Upgrade with DL SWU/Global Upgrades & Fare Class (Z).