Are you wondering does Southwest fly to DCA? Yes, it does! Southwest Airlines at DCA (Ronald Reagan Washington National Airport) offers convenient and affordable flights to major U.S. cities like Chicago, Dallas, and Nashville. Operating from Terminal 1, Southwest provides an easy travel experience with short security lines, friendly service, and fast access to downtown Washington, D.... https://airlinesterminaloffice.com/southwest-airlines/southwest-airlines-dca-terminal-ronald-reagan-washington-national-airport/