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.
The Frequent Flyer Concierge team takes the hard work out of finding reward seat availability. Using their expert knowledge and specialised tools, they'll help you book a great trip that maximises the value for your points.
From just $6 we'll remove all advertisements so that you can enjoy a cleaner and uninterupted viewing experience.And you'll be supporting us so that we can continue to provide this valuable resource :)