Originally Posted by
Raptor
I may have misread for my reply above. When you select an amount on your upgrade form, I don't know if that's the amount extra you're willing to pay for the first class ticket or the total ticket amount? Sorry I wasted your time reading my reply post above!
It is the amount you are willing to pay back to the company for difference between FC and coach on that flight. Makes no difference what FC and coach are on different flights.