Which Airline Credit Card Offers The Highest Avios Signup Bonus In The US?

Lately, more airlines have offered co-branded credit cards with exciting sign-up bonus offers to attract more customers. A lucrative sign-up bonus means cardholders get a head start on their journey to points and benefits. This article notes five credit cards that offer the highest sign-up bonus for Avios points. All of these credit cards are supported and protected by VISA, and they are from Chase and Cardless.