It's a lot easier than you think to cancel your British Airways flight booking, and it's a lot easier if you understand British Airways' comprehensive cancellation policy. British Airways Cancellation gives you the option to cancel your flight online quickly and easily. Whatever the reason for cancellation, you can cancel at any time and receive a refund in minutes. In this article, you'll learn How to cancel British Airways flight (online and over the phone), British Airways' refund policy, 24-hour cancellation policy and how to speak with a British Airways live representative. British Airways cancellation policy is in place for 24 hours. British Airways has the right to change its 24 hour cancellation policy at any time. For more information on the United Kingdom, click here. Call the British Airways cancellation hotline, which is always available to help travellers, for more information on the airline's cancellation policy.