Shoppers looking to earn air miles from their everyday spending now have a new option after last week's new tie-up between British Airways and Nectar. American Express' Nectar credit card is now one of the most generous ways of earning Avios points from everyday spending, with customers able to earn 1.25 Avios for every £1 they spend. This is a better conversion rate than the free Avios-earning British Airways American Express credit card and even the American Express gold card, which costs £140 a year after the first 12 months - although that comes with added benefits like airport lounge passes. American Express offers multiple credit cards which let users earn Avios points