Originally Posted by
elitelite
Understood (I think). So in my hypothetical example above, it's $800 upfare, but at least that's better than one passenger having a $400 upfare and the other having to essentially pay walkup to F.
Last question - does/would this happen via a merchandised offer, or could one simply call and upfare?
Up-fare offers usually appear on the app/website in the seat selection tab, with notable exceptions when booked through some corporate travel portals.