Originally Posted by
xliioper
Since OP booked an award flight, it will just be mileage diff with the refare option (there will be no cash option). So an additional 195K miles to go to D1, or 68K for PS if OP originally booked C+ for 51K miles.
Indeed, and since we accumulate Star Alliance miles much more quickly, we don’t have sufficient Delta miles to change.
So, it appears like the currently offered prices for upgrades are probably as good as it’ll get, right?