Southwest Airlines CUN Terminal operates from Terminal 4 at Cancun International Airport (CUN), the largest and most modern terminal at the airport. Travelers flying with Southwest can enjoy streamlined check-in counters, efficient security checks, and easy access to their departure gates. The terminal offers a wide range of services, including duty-free shopping, dining options, currency exchange, and comfortable waiting areas. Being a hub for many international airlines, Terminal 4 is well-equipped to handle high passenger volumes while maintaining convenience.