The slider doesn’t change the price. It changes the mix.
This looks like a redemption choice. That’s not exactly right.
What you’re shown
Qantas offers a slider:
Use more points → pay less cash
Use fewer points → pay more cash
In my case (Amsterdam to London City business class), the options were:
41,760 pts + €43
30,998 pts + €75
21,000 pts + €105
Qantas Points Plus Pay slider showing the fixed trade between points and cash
What the slider is doing
If we compare any two options and isolate the difference, each step works out to roughly the same rate:
~0.3 euro cents per Qantas point.
The ~0.5 cents often reported for Points Plus Pay is usually Australian cents. My ~0.3 euro cents works out at roughly the same level.
What you’re deciding
Not:
“Which option gives me the best value?”
But:
Do I want to use Qantas points at ~0.3 euro cents each?
Every move toward more cash means you’re declining to spend points at that rate.
Frequent Miler’s recent benchmark sits around 1.3 US cents per point (median closer to ~1.1). Still nowhere close.
Here’s what that looks like
Option | Points | Cash | Implied Rate |
|---|---|---|---|
Max | 41,760 | €43 | — |
Middle | 30,998 | €75 | ~0.30 euro cents |
Minimum | 21,000 | €105 | ~0.30 euro cents |
Within a single booking, the rate is effectively fixed. The interface just obscures it.
What follows from that
You don’t need to separately analyze the underlying cash fare. The slider has already priced the incremental trade between points and cash.
The constraint
I couldn’t go below 21,000 points.
So:
First 21,000 points → required
Everything above that → optional, at ~0.3 euro cents each
What I did
I transferred in just enough to hit the 21,000 minimum, then selected the lowest-points option.
Why that follows
Once you’re above the minimum, every extra point you use is being spent at ~0.3 euro cents.
That’s low.
So the move was simple: use the minimum required and pay cash for the rest.
Where people go wrong
Most people focus on the headline ‘value per point.’ In setups like this, that number moves as you slide the bar, creating the illusion of a better deal.
It isn’t. You’re just changing how the same price is divided.
A better way to look at it
Ignore the headline numbers.
Focus on the marginal trade:
What extra cash am I paying?
How many fewer points am I using?
Then ask:
At this price, do I want to use more points or fewer?
Bottom line
Qantas Points Plus Pay is a fixed exchange rate, revealed by the slider.
In this case, the rate was low enough that the decision was straightforward: use the minimum required points and pay cash for the rest.
The ExpatVista Redemption Framework — starting point for how these decisions are evaluated
Cash and Points and the Problem with “Value per Point” — why headline value numbers mislead
Why I Didn’t Automatically Choose Maximum Points — a similar decision in a different setting
When Points Pricing Ignores Room Hierarchies — how pricing structure distorts choices