Yes, British Airways does offer a 24-hour cancellation policy. If you cancel your booking at+𝟏-𝟖𝟔𝟔-𝟕𝟑𝟖-𝟎𝟔𝟐𝟐 (OTA) OR + 𝟒𝟒-𝟖𝟎𝟖-𝟓𝟗𝟗-𝟖𝟕𝟎𝟐 within 24 hours of purchase and the flight is scheduled at least 7 days later, you can receive a full refund.