Originally Posted by vballny23

I saw this in the Wiki on 1st page:

Award cabin class "upgrades" (e.g. Y to J): If the change made is an increase of miles to another cabin class, fees are not normally charged

But, if I am booked on an economy anytime award in Y fare (27,500 miles) and see they have opened up Business saver Awards for 25,000 miles under a U fare, I was told there is a fee of $150 since despite "upgrade", it's less miles redeemed. I was going to HUCA, but figured I would ask the experts if that was correct??

Thanks