Frontier Airlines is one of the famous ultra-low-cost carriers in the United States that operates more than 100 Airbus A320 aircraft. The airline flies to 120+ destinations in the U.S., the Caribbean, Mexico, and Central America.

Talking about hubs, Frontier has its main hub in Denver International Airport (DEN) as its headquarters is located in Denver, Colorado. Besides, there are 10 other focus cities from where Frontier operates regular commercial flights.

Today, we are going to explore ‘Where are Frontier Hubs?’ with terminal information, and other important details. So, let’s get started.

Where are Frontier Hubs? Explore Primary Hub + Focus Airports.

Frontier Airlines operates from its main hub at Denver International Airport, and numerous other focus airports across the United States. Atlanta, Chicago–Midway, Cleveland, Las Vegas, Miami, Orlando, Philadelphia, Phoenix–Sky Harbor, Tampa, and Trenton are the focus cities.

Frontier is also preparing to operate from Dallas/Forth Worth International Airport (DFW) beginning May 2023.

Denver International Airport (DEN): The primary hub for Frontier Airlines!

Denver International Airport (DEN) is the major hub for Frontier Airlines. DEN is commonly known as DIA and it is an international airport located in the Western United States. 

DEN Airport is currently the third busiest airport in the United States as it handles more than 50 million passenger traffic every year. The airport served almost 60 million passengers in 2021 and the number is set to cross 70 million by the end of 2022. Frontier Airlines serves more than 4.7 million passengers yearly.

The airport is equipped with 6 concrete runways with a minimum length of 12,000 ft (3,658 m). There is only one terminal named ‘Jeppesen Terminal’ equipped with three concourses; Concourse A, Concourse B, and Concourse C. 

These three concourses hold a total of 146 gates (51 gates in Concourse A, 66 gates in Concourse B, and 29 gates in Concourse C). 


Frontier Airlines operates from Concourse A (Terminal East) at Denver Airport. The ticket counter, and baggage claim section can be found in Terminal East. 

Recently, a new 120,000-square-foot ground boarding facility has been inaugurated on the east end of Concourse A. This new boarding facility offers charging stations, nursing room, customer service centers, a pet relief area, food courts, and much more.


In addition to the main hub at Denver, Frontier Airlines operates from 10 additional focus airports located at different major cities in the United States.

Among 10 focus cities, Orlando (MCO), Las Vegas (LAS), Philadelphia (PHL), Tampa (TPA), and Atlanta (ATL) are the top 5 markets for Frontier Airlines.

Explore Frontier Airlines Terminal at Denver Airport with a complete travel guide.

Orlando International Airport (MCO)

More than 2.7 million passengers depart yearly from Orlando International Airport through Frontier Airlines flights. MCO is one of the primary airports serving the Greater Orlando Region.

MCO serves as the primary hub for Silver Airways, and the focus city for Frontier Airlines, JetBlue Airways, Southwest Airlines, Spirit Airlines, and Sun Country Airlines.

orlando airport mco where are frontier hubs aviatechchannel
MCO Airport (Where are Frontier hubs?)

Orlando Airport is equipped with three terminals namely Terminal A, Terminal B, and Terminal C. The large main terminal building is segregated into the north and south sides. 

Terminal A is in the northern half of the main terminal whereas Terminal B is in the Southern half. Terminal C is recently opened at the airport.

Frontier Airlines operates from Terminal A at Orlando Airport. Gates available are 1-29, and 70-99. TSA PreCheck is offered at the airport with security checkpoints located in Gates 1-59.

If you are looking for a detailed guide on Frontier Terminal at MCO Airport, read this detailed travel guide.

Harry Reid International Airport (LAS)

Las Vegas is another top focus city for Frontier Airlines. More than 1.8 million passengers depart from Harry Reid International Airport (LAS) with Frontier flights.

LAS is the focus city for major U.S. airlines including Frontier Airlines, Southwest Airlines, Spirit Airlines, Sun Country Airlines, JSX, and Global Crossing Airlines.

frontier at las vegas airport aviatechchannel
LAS Airport (Where are Frontier hubs?)

The airport infrastructure accommodates two terminals (Terminal 1 or T1 and Terminal 3 or T3) with a total of 110 gates. Ticketing areas, parking spaces, and baggage claim services are available at these terminals.

LAS Terminal 1 features four concourses (Concourse A, B, C, and D) whereas Terminal 3 holds Concourses D and E.

Frontier Airlines operates from Terminal 3 at LAS Airport. All terminal facilities including check-in, ticket counter, baggage claim, food courts, and so on are available.

Looking for Frontier Terminal at Las Vegas Airport? Read our detailed article.

Philadelphia International Airport (PHL)

Frontier Airlines serves more than 1.2 million departing passengers from Philadelphia International Airport (PHL). Located in the U.S. state of Pennsylvania, PHL serves Delaware Valley.

PHL is the primary hub for American Airlines, and UPS Airlines while it is also the major focus city for Frontier Airlines.

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PHL Airport (Where are Frontier hubs?)

Over 18 commercial airlines including domestic, and foreign carriers operate regular flights to and from PHL covering various domestic, and international destinations.

Talking about airport infrastructure, PHL is equipped with 6 terminals namely Terminal A, Terminal B, Terminal C, Terminal D, Terminal E, and Terminal F. Terminal A is further divided into Terminal A-West, and Terminal A-East. Terminals B, and C are connected by a shopping mall, and food court.

Frontier Airlines handles its flights from Terminal E at PHL. Gates, Baggage Claim, and Ticketing facility can be found in Terminal E.

If you are flying with Frontier via Philadelphia Airport, you can read this detailed travel guide that covers services, amenities, and travel tips.

Tampa International Airport (TPA)

Tampa is also the major focus city for Frontier Airlines. The airline serves 720K+ departing passengers yearly from Tampa International Airport (TPA).

TPA is an international airport located in Hillsborough County, Florida. It serves the Tampa Bay area, and is the hub for Silver Airways. Frontier Airlines, and Breeze Airways identify TPA as their focus airport.

frontier airlines at tampa intl airport aviatechchannel
Tampa Airport (Where are Frontier hubs?)

Tampa Airport features a central landside terminal that is surrounded by four Airside satellites: Airside A, Airside C, Airside E, and Airside F.

Frontier Airlines operates from Terminal E at TPA Airport and serves passengers flying to regular domestic, and seasonal destinations.

Hartsfield–Jackson Atlanta International Airport (ATL)

Atlanta Airport (ATL) is among the primary international airports in the United States that primarily serves Atlanta, the capital, and most populous city of the U.S. state of Georgia. The airport is officially known as Hartsfield–Jackson Atlanta International Airport.

ATL Airport is a primary hub for Delta Air Lines, and also a focus city for Frontier Airlines, Southwest Airlines, and Spirit Airlines. It is one of the busiest airports in the world and is served by domestic as well as international carriers.

Atlanta Airport (Where are Frontier hubs?)

ATL Airport features five concrete runways, and two passenger terminals (the Domestic Terminal, and the Maynard H. Jackson Jr. International Terminal). There are six Concourses (A, B, C, D, E, and T) at the Domestic terminal whereas the international terminal holds only one Concourse (F).

The Domestic Terminal is available on the western side of the Atlanta Airport, and is divided into North, and South Terminals by an atrium. Frontier Airlines operates from the Domestic Terminal at Atlanta Airport.

Read this detailed article on Frontier Terminal at Atlanta Airport.

Chicago Midway International Airport (MDW)

Chicago Midway Airport is the focus airport for Frontier Airlines and Southwest Airlines. It is one of the important commercial airports serving the Chicago Metropolitan Area. Over 720k seats are occupied yearly by Frontier Airlines departure flights from MDW.

MDW Airport is equipped with a passenger terminal that holds three Concourses: A, B, and C. Frontier Airlines operate from Concourse C at Chicago Midway.

Cleveland Hopkins International Airport (CLE)

Cleveland Hopkins is another major focus city for Frontier Airlines. More than 700K seats are occupied yearly by Frontier flights departing from the Cleveland Hopkins International Airport (CLE).

Talking about the airport infrastructure, CLE features only one passenger terminal with a two-level structure. There are four Concourses at the airport which are Concourse A, Concourse B, Concourse C, and Concourse D.

Frontier Airlines operates from Concourse A, and uses Gates A1, A8, A10, and A12.

Conclusion on ‘Where are Frontier Hubs?’

We explored the main hub for Frontier Airlines which is Denver International Airport (DEN) in Colorado. Besides, we also discussed the top focus cities from where Frontier operates its regular passenger flights.

Let’s wrap up with the following table that lists all hubs, and focus airports along with the operating terminals for Frontier Airlines.

Denver International Airport (DEN) – MAIN HUBConcourse A (Terminal East)
Orlando International Airport (MCO) – Focus AirportTerminal A
Harry Reid International Airport (LAS) – Focus AirportTerminal 3
Philadelphia International Airport (PHL) – Focus AirportTerminal E
Tampa International Airport (TPA) – Focus AirportTerminal E
Hartsfield–Jackson Atlanta International Airport (ATL) – Focus AirportDomestic Terminal
Chicago–Midway International Airport (MDW) – Focus AirportConcourse C
Cleveland International Airport (CLE) – Focus AirportConcourse A
Miami International Airport (MIA) – Focus AirportCentral Terminal
Phoenix–Sky Harbor International Airport (PHX) – Focus AirportTerminal 3
Trenton–Mercer Airport (TTN) – Focus AirportTerminal 1
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Suman Karki
Suman Karki is the founder of the AviaTech Channel blog and YouTube Channel. He is a passionate aviation enthusiast and holds experience working as a Ground Operations Officer for Swissport International. He is currently serving as a Flight Data Feeder for FlightAware (a US-based company for Flight Tracking). Besides, he has worked as an aviation content editor for various aviation media.



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