Originally Posted by newcx12345
Actually I think you are confused?
Do you mean you have a J Class ticket and want to Upgrade (using miles) to First Class. If so, the award class for that is Z Class.
A Class is a Revenue First Class cose (it is used for AONEX and also other discounted F Class).
Please Clarify
Actually not confused (for a change...). Want to buy, not upgrade using miles, A class as a discounted F class ticket. Idea is to fly F for fare that's very close or equal to J fare