The Frontier Airlines ORD Terminal makes traveling straightforward and effortless. Check-in is easy and quick and the staff is polite. You have access to the shops food courts and seating places to pass the time before your flight. Traveling for business or pleasure is made easy and stress-free with Frontier Airlines. With obvious signage directing you through the terminal connecting to other aircraft is a breeze. At ORD Terminal Frontier Airlines makes sure that your trip is hassle-free and pleasurable from beginning to end.