Operating out of Terminal E at Dallas/Fort Worth International Airport (DFW), Frontier Airlines DFW Terminal is well-known for its low prices and straightforward service. DFW, a significant domestic travel hub, provides easy access to a range of facilities for Frontier travelers, including as food establishments, retail stores, and quick terminal transfers. Whether you’re planning a lengthy trip or just headed out for a short trip, Terminal E offers a simplified check-in, security, and boarding process.