At O'Hare International Airport , the Frontier Airlines ORD Terminal is housed in Terminal 5, a state-of-the-art building built to handle both domestic and international travel. Along with quick and easy TSA screening, Frontier travelers can take advantage of self-service kiosks and smartphone check-in. The airline doesn't have lounges, however Terminal 5 has free Wi-Fi, a variety of restaurants, and retail stores. The terminal has facilities for families, including family restrooms and nursing rooms, and is accessible to travelers with impairments. To get to and from the terminal, ground transportation alternatives such as public transportation, rideshares, taxis, and the Airport Transit System are convenient. For assistance with any travel requirements, baggage services and customer support are easily accessible.

Upon arrival at Terminal 5, travelers will find clearly marked signage that directs them to the Frontier Airlines check-in area. The airline offers multiple check-in options to suit various traveler needs, including traditional counter check-ins staffed by airline representatives, self-service kiosks for printing boarding passes and bag tags, and digital check-in via the Frontier mobile app or website. The self-service options help reduce wait times and offer convenience, especially for passengers traveling without checked luggage. Additionally, Frontier Airlines encourages mobile check-in to streamline the process even further, allowing passengers to bypass the counter altogether.

After check-in, passengers proceed to the Transportation Security Administration (TSA) screening area. Terminal 5 has several TSA checkpoints that are efficient and staffed with well-trained agents to ensure a secure and timely experience. Passengers are advised to arrive at least two hours before domestic flights and three hours prior to international departures to allow ample time for check-in, security, and boarding. TSA PreCheck is also available at this terminal, which allows eligible passengers to move through security faster with less hassle.

Once through security, passengers enter the airside of Terminal 5, where they will find a wide range of amenities. Although Frontier is a budget airline and does not operate dedicated lounges like legacy carriers, passengers can enjoy the general services and facilities available at Terminal 5. The terminal features a variety of dining options, including quick-service restaurants, fast food, coffee shops, and sit-down eateries offering local and international cuisines. Whether you're looking for a Chicago-style hot dog or a gourmet sandwich, you’ll find something that suits your taste.

Shopping is another highlight of Terminal 5. Travelers can browse through a selection of retail outlets, ranging from duty-free shops and souvenir stores to electronics and travel essentials. These shops provide an opportunity to pick up last-minute items or gifts before departure. Terminal 5 also offers free Wi-Fi, charging stations, and comfortable seating areas, making it easier for passengers to stay connected and relaxed while waiting for their flights.

For families traveling with children, the terminal offers family restrooms and designated baby care facilities. These family-friendly services are designed to make air travel more convenient and less stressful for parents and young children. The terminal is also fully accessible, with wheelchair assistance available upon request, elevators, and ramps to facilitate movement for passengers with limited mobility.

Ground transportation to and from Terminal 5 is efficient and well-organized. The terminal is connected to the rest of the airport via the Airport Transit System (ATS), a fully automated people mover that links all terminals, parking areas, and rental car facilities. This makes it easy for passengers to navigate between terminals or access other services within the airport complex. Rideshare services like Uber and Lyft, traditional taxis, public buses, and hotel shuttles all have designated pick-up and drop-off zones near Terminal 5. For travelers driving themselves, the airport provides various parking options, including hourly, daily, and economy lots, as well as valet services.

Baggage services at Frontier Airlines at ORD Terminal are reliable, with clearly marked baggage claim areas located on the lower level of Terminal 5. Airline staff are on hand to assist with lost or delayed baggage and to answer any customer service queries. Frontier’s staff members are trained to handle customer concerns efficiently, offering rebooking assistance, travel documentation help, and other support services as needed.