Based out of Terminal Southwest Airlines MCO Terminal is the primary low-cost carrier and is well-known for its commitment to providing reasonably priced travel and first-rate customer care. The airline’s presence in this terminal ensures a seamless and efficient travel experience for travelers traveling to and from one of the most popular tourist destinations in the United States. Southwest’s focus on offering a cost-effective yet pleasurable travel experience is evident at MCO, where the terminal is designed to serve both business and leisure travelers.