Southwest Airlines DEN Terminal operates from Concourse C, part of the airport’s extensive and modernized terminal system. As one of the busiest airlines at DEN, Southwest offers a wide array of domestic destinations, ensuring easy connections for passengers traveling across the United States. Concourse C is equipped with a variety of amenities, including dining options, shops, and comfortable seating areas, designed to enhance the passenger experience. Southwest passengers can benefit from the airport’s efficient design, making it easy to navigate between check-in, security, and departure gates.