Frontier Airlines DFW Terminal Operating out of Dallas/Fort Worth International Airport's Terminal E is Frontier Airlines DFW Terminal (DFW). This terminal, which is shared with Spirit Airlines and other low-cost airlines, provides necessary facilities for customers on a tight budget. Given that Frontier is notorious for its stringent baggage regulations and add-on costs, arrive early (at least two hours prior to your departure) to guarantee a seamless stay. To save time in queue at the airport, check in online. It is free to bring personal belongings, but there are fees for checked and carry-on baggage. Enjoy the complimentary Wi-Fi and eating options available at DFW while you await your fligh