Originally Posted by
Dpetryszyn
What happens if I use miles to upgrade a NYC-HOUSTON-Mexico flight and only the NYC-Houston flight clears?
Still charged the same 25k miles?
The upgrade charge for EWR-IAH is 20K miles (for S/T/K/L/G fares) , so any refund would be small. The general policy is no refund but you might be able to get something.