Wondering does southwest fly to dca? Yes—Southwest Airlines at DCA offers convenient service to several major U.S. cities, including Chicago, Dallas, and Nashville. If you're flying through Washington, D.C., you'll find Southwest operating from Terminal 1 at Ronald Reagan Washington National Airport. This terminal, formerly known as Terminal A, is compact, efficient, and ideal for quick travel. Travelers can expect easy check-in, shorter security lines, and access to basic dining and retail services. Whether you're flying for business or leisure, knowing what terminal is Southwest Airlines at DCA airport can help streamline your trip. Enjoy Southwest's trademark benefits like two free checked bags, no change fees, and reliable service right from the heart of the nation’s capital.