Originally Posted by
Smiley90
The rep is correct. You'll have to to the math on what's a better deal, paying the increased price or buying it separately with miles or cash.
Thank you for confirming! I made the change. 20k to add a J leg vs. 17.5k to buy Y class, I’ll take the first option. Especially since I might want to change dates later if it becomes available, so I’ll have to pay the additional 20k anyways.