For information on flights, deals, and pricing inside the United States as well as for customer service and complaints in Spanish and other languages, contact Southwest Airlines Telefono at 1-800-435-9792 & +1-860-364-8556. In the event that you are unable to communicate on the customer support line, Southwest Airlines offers other channels. Below are connections to social media platforms and the Southwest Airlines website, where you can discover contact details for the organization, including phone numbers, locations, service centers, technical support, and more.