If you've been collecting Avios with a British Airways American Express Card, you might have heard of the exciting Companion Voucher, a golden ticket to getting far more value from your points. But what exactly is a Companion Voucher? How do you get one? And how can you make the most of it? The British Airways Companion Voucher is a fantastic way to fly long-haul for less Whether you're a seasoned Avios collector or just getting started, this guide to British Airways Companio