Originally Posted by
destere
Thanks for the replies. Apologies for not being clearer - I do mean paying he fare difference in money. Either PE or J, depending on the fares. However it seems that there is no way to do this on a O fare. Oh well! Y is Y, but at least Cathay make a decent job of it!
If I were you I'd just call CX and ask whats up.
Although I still wouldnt do it if I was you, since you most likely have to pay the additional 300+ USD change fee. So why not just book PEY/J in the beginning and save yourself that amount...