The Dallas/Fort Worth International Airport's Terminal E is where Frontier Airlines is based, in case you were wondering What terminal is Frontier Airlines at DFW. Convenient check-in desks, speedy security checks, and cozy boarding spaces are all features of Terminal E, which is built for travelers flying with Frontier Airlines. While waiting for their aircraft, travelers can take use of a range of cuisines, shops, and necessary travel services. Frontier Airlines guests enjoy a smooth travel experience with convenient access to baggage claim, ground transportation, and links to other DFW terminals via the Skylink train. When flying with Frontier at DFW, Terminal E is easy, quick, and stress-free.