How to Add British Airways TSA PreCheck? To add British Airways TSA PreCheck to your travel experience, follow these simple steps. First and foremost, ensure that you are eligible for TSA PreCheck by being a U.S. citizen or a lawful permanent resident. Once confirmed, navigate to the official website of the Transportation Security Administration (TSA) and complete the application process. Read more about this: https://travelraval.com/blog/british-airways-tsa-precheck/