Originally Posted by
sbpeat
I could easily be mistaken but I always thought that to MFU either leg both legs had to be in an upgradeable class? E.g. T out, Y back you could MFU outbound to Club but, say, T out, V/M/disc econ back you could not?
If this has changed then great news as obviously I've been booking return T fares as I thought it was the cheapest way to be able to MFU a leg.
Apparently. No idea if it ever was as you suggest, but no need for it now.