Frontier Airlines operates out of Terminal E at DFW Airport. This terminal is designed to handle a high volume of domestic travelers and provides easy access to check-in counters, security checkpoints, and boarding gates. The layout is traveler-friendly, with clear signage and a variety of passenger amenities located conveniently throughout the terminal. https://airportsterminalhub.com/airlines/frontier-airlines/frontier-airlines-dallas-fort-worth-international-airport-dfw-terminal/