Originally Posted by
reiner
I booked a TG flight in Buchungsklasse Q and want to book an upgrade with LH miles but was told that upgrades only possible from BK B and Y.
That seems right. I foyu want to upgrade using miles from another *A partner, usually only the most expensive booking classes B and Y are eligible. AFAIK you can only upgrade the lower booking classes using miles of airlineīs FFP, i.e. TG ROP miles to upgrade a TG flight. (the same probably is also true the other way around: You can probably only upgrade B and Y fares on LH using TG miles, while you can upgrade many more fares on LH using M&M miles, though itīs a pretty bad deal most of the time)