Wondering does Southwest fly to DCA? Yes, Southwest Airlines offers service to Ronald Reagan Washington National Airport (DCA), giving travelers convenient access to Washington, D.C. Located just minutes from downtown, DCA is a preferred airport for business and leisure travelers alike. Southwest Airlines at DCA operates from Terminal 1, offering popular nonstop routes to cities like ... https://airlinesterminaloffice.com/southwest-airlines/southwest-airlines-dca-terminal-ronald-reagan-washington-national-airport/