Frontier Airlines operates out of Terminal 5 at Chicago O'Hare International Airport (ORD). This terminal, commonly associated with international flights, is also used by Frontier Airlines for both domestic and international routes. The Frontier Airlines Chicago O’Hare Airport Terminal offers a range of amenities, including dining options, duty-free shops, and comfortable seating areas for travelers. Frontier Airlines' check-in counters and baggage claim are conveniently located within the terminal, ensuring a hassle-free travel experience. Additionally, the terminal is well-connected to public transit and offers multiple parking options. Passengers should arrive at least two hours before departure to allow time for security checks and boarding.