Originally Posted by
Rosenamit
Is it possible to book a PE ticket with 22500 miles and then change it to business for the difference between the award tickets (30,000 - 22,500 = 7,500 ; so in this case paying 7,500 extra miles for the upgrade)?
You may also be charged $125 if you do this within 60 days and you do not have Mileage Plan elite status, since it is not an
upgrade but a ticket reissue and voluntary change from CX PE award type to J award type that incurs new charges (AS reissues tickets when the award type changes).