Sign up for a British Airways Visa Signature® Card from Chase and receive 50,000 bonus British Airways Avios after you make $2,000 in purchases within the first three months of account opening. (It's valid for first-time cardmembers only; allow 6 to 8 weeks for the bonus British Airways Avios to post to your account.) Cardmembers also earn 2.5 Avios for every $1 spent on British Airways purchases.