I had it happen on my CNS > SYD / SYD > CNS Flexi - Upgrade to business class with 9,900 points and it's not an actual charge to any of your credit cards. The lovely lady at Velocity explained it's just how the system processes the upgrade. She explained it better though.
- Earn up to 100,000 bonus Qantas Points* - Enjoy an annual $450 Qantas travel credit - Don't forget the two complimentary Qantas Club lounge invitations and two visits to the Amex Centurion Lounges in Melbourne and Sydney.
Join Australian Frequent Flyer (AFF) for free and unlock insider tips, exclusive deals, and global meetups with 65,000+ frequent flyers.AFF members can also access our Frequent Flyer Training courses, and upgrade to Fast-track your way to expert traveller status and unlock even more exclusive discounts!