Southwest Airlines STL Terminal +1-888-839-0502 Hi, Southwest Airlines STL Terminal provides passengers with easy and effective airline services at the STL Terminal. With simple check-in, boarding, and luggage handling procedures, the terminal is meant to offer a seamless travel experience. In order to ensure comfort and dependability, Southwest's helpful crew helps customers with ticketing and flight information. Convenience is increased by features like kiosks and seating places. Southwest Airlines is a popular option for both business and leisure travelers flying through St. Louis since it offers frequent flights from STL that link passengers to a wide range of locations. Visit,......See More