What Terminal is Frontier Airlines at DFW operates out of Terminal E at Dallas/Fort Worth International Airport (DFW). Frontier’s gates are clearly marked, and the signage throughout Terminal E is helpful for directing passengers to their flights. The proximity to parking and the DART Rail station also adds convenience, especially for those looking for easy access to transportation options. Overall, flying Frontier out of Terminal E at DFW provides a smooth and straightforward experience, thanks to the terminal’s efficiency and user-friendly design.