Overview
You'll need at least 30,000 to fly from London Heathrow to Phoenix in economy, and that's on an off-peak day. At peak times it will cost 35,000 Avios.
Premium Economy seats will cost between 47,500 (off peak) to 67,500 (peak).
The Business Class cabin requires an extra 90,000 Avios versus the Premium Economy cabin. 90,000(off peak) or 100,000 (peak) Avios.
There is no first class cabin on flights from London Heathrow to Phoenix.
Avios needed table
| Cabin | Avios Needed (Off-Peak) | Avios Needed (Peak) |
| Economy | 30,000 | 35,000 |
| Premium Economy | 47,500 | 67,500 |
| Business | 90,000 | 100,000 |
How to make your Avios go further
Is a BA companion voucher worth it?
Find Avios requirements for other cities
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