Add TSA PreCheck to your Volaris flight by entering your KTN online or calling 1-866-284-2457 for assistance. To add TSA PreCheck to your Volaris Airlines flight, you need to enter your Known Traveler Number (KTN) during booking or by managing your reservation online. Visit the Volaris website, log in to “My Trips,” and update your passenger information with your KTN. Ensure your full name matches exactly with your TSA PreCheck enrollment details. If you’ve already checked in, call Volaris customer service at 1-866-284-2457 for assistance in updating your booking. Adding your KTN allows you to enjoy expedited TSA screening at participating U.S. airports, saving time with shorter lines, no need to remove shoes, belts, or laptops.