Frontier Airlines serves from Terminal 3 at Cancun International Airport (CUN), providing travelers with a convenient and dynamic entrance to the gorgeous beaches and resorts of the Mexican Caribbean. Frontier's CUN terminal, with its modern amenities and efficient services, provides passengers with a smooth and enjoyable experience from check-in to departure as they embark on their travels in this tropical paradise. https://airportsterminal.com/frontier-airlines/frontier-airlines-cun-terminal-cancun-international-airport/