Operating out of Terminal 2 at St. Louis Lambert International Airport Frontier Airlines STL Terminal mainly serves low-cost airlines, offering tourists on a tight budget a quick and easy travel experience. Self-service kiosks, check-in counters, and expedited security screening are all available to Frontier travelers. In addition, Terminal 2 offers a variety of retail establishments and culinary alternatives for travelers to enjoy prior to their trip. For passengers looking for inexpensive flights from St. Louis, Frontier Airlines is a popular option because it provides nonstop service to a number of domestic locations. Both business and leisure tourists are guaranteed a hassle-free trip thanks to the facility.