Frontier Airlines ORD Terminal flies out of Terminal 5 at Chicago O'Hare International Airport, ORD. Terminal 5 is the primary terminal for international flights but also accommodates some domestic carriers, among them being Frontier. Travelers can check in at Frontier Airlines counter desks and use kiosks for self-service to ensure a smooth preparation for boarding. The terminal offers various dining venues, stores, and seating areas where travelers can relax. Good, and readily available rental cars and ground transportation, including the Airport Transit System (ATS), which will tie in to other terminals, make Frontier Airlines' experience at O'Hare an excellent, low-cost affair.