To add TSA PreCheck to Saudia, contact their customer service at 1-866-564-8331 or update your profile online. TSA PreCheck appears on your boarding pass. Traveling internationally can be stressful, especially when dealing with long airport security lines. For passengers flying with Saudia, the national airline of Saudi Arabia, adding TSA PreCheck to your booking can make the journey smoother and more efficient. TSA PreCheck is a program offered by the Transportation Security Administration in the United States that allows eligible travelers to use expedited security lanes at participating airports. This guide will explain in detail how to add TSA PreCheck to your Saudia booking, what requirements you need to meet, and how to ensure that your Known Traveler Number is correctly applied to your reservation.