Southwest Airlines DEN Terminal provides a quick and easy flying experience from Concourse C at Denver International Airport (DEN). The terminal has a contemporary layout with lots of places to sit, eat, and shop. In keeping with Southwest's customer-friendly standards, passengers enjoy free checked luggage and a variety of check-in options. Security lines are usually well-managed, and the airport's layout makes travel easy. Concourse C improves Southwest Airlines passengers' entire travel experience at DEN with its friendly ambiance and helpful crew.