Chicago O’Hare International Airport (ORD) stands as one of the busiest airports in the United States, handling massive passenger volume every year. If you are packing your bags for a budget-friendly trip with Frontier Airlines, your very first question is likely: what terminal is Frontier at Chicago O’Hare Airport?

Frontier Airlines operates primarily out of Terminal 5 at Chicago O’Hare Airport. It operates domestic and international flights from this terminal, where you will find check-in counters, baggage services, security checkpoints, boarding gates, restaurants, and other essential passenger facilities.

Let’s dive deep into a complete breakdown of what to expect at Frontier Airlines ORD Terminal 5 and help you travel with confidence.

What Terminal is Frontier at Chicago O’Hare Airport (ORD)?

Knowing exactly what terminal is Frontier at Chicago O’Hare Airport saves you from the panic of getting dropped off at the wrong side of this massive airport complex. Frontier flights are entirely situated inside Terminal 5 at ORD.

Frontier Airlines ORD Terminal features its own dedicated road access, parking facilities, spacious waiting areas, digital flight information displays, dining options, retail stores, and customer service desks. Because it serves a heavy volume of international flag carriers alongside some domestic airlines like Frontier, it is built to be a self-sustaining powerhouse. 

AirlineFrontier Airlines
AirportChicago O’Hare International Airport (ORD)
Frontier Airline O’Hare TerminalTerminal 5
Arrival TerminalTerminal 5
Departure TerminalTerminal 5
Check-In LevelUpper Level
WebsiteAirline:- www.flyfrontier.com
Airport:- www.flychicago.com/

Various Levels of Frontier Airlines Terminal at O’Hare Airport

One of the biggest advantages of Terminal 5 is its organized layout. To keep the heavy passenger traffic moving smoothly, the Frontier Airlines Terminal at O’Hare Airport is divided logically by vertical levels. Instead of mixing arriving crowds with departing passengers, the terminal splits these functionalities across dedicated floors:-

Lower Level Roadway & Floor (Arrivals)

  • Lower-Level Roadway:- This is the ground-level curb where arriving travelers exit the terminal building. If you are coordinating a ride home, this level features designated pick-up zones for private vehicles, traditional taxis, charter buses, reserved rideshares, and regional transit.
  • Lower Level:- Located just inside the lower doors, this floor houses the main baggage claim carousels assigned to Frontier flights. It is also home to the Customs and Border Protection (CBP) checkpoints for international arrivals, currency exchange booths, and ground transportation desks.

Upper Level Roadway & Floor (Departures)

  • Upper-Level Roadway:- The upper-level roadway is reserved for departing passengers. This high-flying overpass is used exclusively for dropping off travelers right outside the terminal doors.
  • Upper Level:- This is where your journey begins. This level of Frontier Airlines O’Hare Terminal contains the primary check-in desks, self-service ticketing kiosks, standard and expedited TSA security checkpoints, and the pedestrian walkways leading directly to the boarding gates.

Note:- Connected seamlessly across these main levels, you will find quick access to the automated Airport Transit System (ATS), pedestrian bridges linking directly to the main terminal parking garages, and multi-level elevator banks.

Frontier Airlines ORD Terminal Departures

Passengers flying with Frontier should report to Terminal 5 for all departures at Chicago O’Hare International Airport.

To enjoy a smooth start to your trip, you must to arrive at the airport well before your departure time, especially during weekends, holidays, and busy travel seasons.

Check-In Process:-

The departure experience begins at the Frontier check-in counters located on the upper level of Terminal 5. Passengers have several options to complete check-in:

  • Online check-in before arriving at the airport
  • Mobile boarding pass
  • Airport check-in counters
  • Self-service options where available

Baggage Drop:-

If you’re checking luggage, be sure to arrive early. Frontier’s baggage check counters generally close one hour before the scheduled departure, so arriving with enough time is important.

Once your baggage has been accepted, you can proceed directly to the security checkpoint.

Security Screening:-

ORD Terminal 5 features multiple TSA screening lanes to help passengers move efficiently through security. Eligible travelers can use:-

  • TSA PreCheck
  • CLEAR lanes (where available)

Boarding Process:-

Frontier departures typically operate from Gate 5B, while Gate 5A is commonly used for check-in services.

Although gate assignments may occasionally change, passengers should always confirm the latest gate information on:-

  • Airport display screens
  • Boarding pass
  • Frontier mobile app

Boarding generally begins about 45 minutes before departure and usually closes around 20 minutes before takeoff.

O’Hare Frontier Arrival Terminal Process


Passengers arriving with Frontier Airlines at O’Hare Airport will also use Terminal 5. When your flight touches down, the post-arrival loop is designed to get you out of the airport and onto your final destination efficiently.

  • Deplaning:- You will exit the aircraft via the jet bridge on the upper concourse level. After that, you must follow the clear directional signage guiding you toward the main exit and baggage claim.
  • Baggage & Customs:- Take the escalators or elevators down to the lower floor. Here, domestic passengers can head straight to their designated baggage carousel to retrieve checked luggage. International arrivals will transition through the CBP customs area first.
  • Ground Transportation:- Exit through the lower doors to the lower-level roadway. You will find immediate access to airport rental car shuttles, regional buses, the Pace bus stop, and paths leading to the CTA Blue Line metro train for easy access into downtown Chicago.


Frontier Airlines O’Hare Terminal Map

Because ORD Terminal 5 is physically separated from Terminals 1, 2, and 3, navigating it relies heavily on understanding its standalone linear footprint. Having a digital overview of the Frontier Airlines O’Hare Terminal map makes a huge difference.

Terminal 5 at O’Hare Airport is divided into multiple levels; here’s a quick overview:-

LevelMain Service
Upper-Level RoadwayPassenger drop-off for departures
Upper LevelCheck-in counters, baggage drop, security checkpoints, boarding gates, restaurants, shopping
Lower LevelBaggage claim, customs, immigration, currency exchange, transportation services
Lower-Level RoadwayFlight arrivals, taxi and ride-share pick-up, charter buses

Moving Between ORD Terminals

If you are transferring from a domestic flight on another airline in Terminal 1, 2, or 3 to an international or domestic Frontier flight in Terminal 5, you must change buildings. Because Terminal 5 is not physically connected airside to the other terminals, you will need to utilize the airport’s transit system.

The best way to move between terminals is the Airport Transit System (ATS). The ATS is a free, automated people mover train that runs 24/7, connecting all passenger terminals, the main parking garages, and the Multi-Modal Facility (Rental Car Center).

Important Note:- Taking the ATS means you will exit the secure side of the airport. When you arrive at Terminal 5, you must clear TSA security again before accessing the Frontier gates. Always budget an extra 30 to 45 minutes if your trip requires a terminal transfer.

Key Services at Frontier Airlines O’Hare Terminal 5

Terminal 5 provides an extensive array of passenger amenities to keep you comfortable while waiting for your Frontier flight. Key services include:-

  • Information Desks:- Standard customer helpdesks and interactive flight status screens are placed near the check-in areas and main concourses to help you track gate changes or delays. To speak with the ORD customer services team, you can dial +1 800-832-6352.
  • Dining and Retail:- Terminal 5 features a diverse selection of sit-down restaurants, quick-service fast food, local Chicago eateries, bars, and duty-free shopping options.
  • Financial Amenities:- Foreign currency exchange desks and multiple ATMs are accessible on both the upper ticketing and lower arrival levels.
  • Lounges:- While Frontier does not host a dedicated lounge, ORD Terminal 5 features several airline-partnered lounges that can sometimes be accessed via specific premium lounge memberships or day passes.

Ground Transportation at O’Hare
Once outside Frontier Airlines ORD Terminal 5, passengers can choose from several transportation options to reach their final destination.

Available services include:-

  • Taxi services
  • Ride-share pick-up
  • Rental cars
  • Hotel shuttles
  • Pace buses
  • Regional buses
  • Airport Transit System
  • Passenger pick-up zones

With so many options available, reaching downtown Chicago or nearby suburbs is quick and convenient. Before stepping inside, you can check out the layout through our ORD Guide.

Wrap Up!

Now you know that navigating Frontier Airlines Terminal at O’Hare Airport is a highly predictable experience once you realize everything is self-contained within Terminal 5. By arriving early, downloading your boarding pass to your phone in advance, and keeping track of the rigid 60-minute bag drop cutoff, you can bypass the stress of long lines and head straight to your gate. Whether you are touching down on the lower level or taking off from the upper concourses, ORD Terminal 5 gives you all the tools needed for a smooth journey.

Important Queries!

Q. What is the terminal for Frontier Airlines at O’Hare Airport?

Frontier Airlines uses Terminal 5 at Chicago O’Hare International Airport (ORD) for all inbound and outbound flights.

Q. How busy is ORD airport?

Chicago O’Hare is consistently ranked among the top 10 busiest airports globally. So, security queues and check-in lines can extend rapidly during peak morning and late afternoon travel banks.

Q. How early should I arrive for a Frontier flight?

Because Frontier enforces a strict 60-minute cutoff for checking bags and printing boarding passes at the counter, it is highly recommended to arrive at least 2 hours prior to domestic departures and 3 hours prior to international departures.

Q. What time does CLEAR open at ORD?

While standard TSA PreCheck lanes open early in the morning (typically around 4:00 AM) across the airport, but CLEAR availability inside Terminal 5 varies based on flight schedules. 

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