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Frontier Airlines is among the major budget carriers in the United States with its headquarters in Denver, Colorado. The airline operates regular commercial passenger flights to more than 100 domestic destinations and 30+ international routes.

Denver International Airport (DEN) is the primary operating hub for Frontier Airlines. The other key focus cities for the airline include Miami, Atlanta, Chicago–O’Hare, Cleveland, Las Vegas, Orlando, Philadelphia, Phoenix–Sky Harbor, Tampa, and Trenton.

In this informative travel guide, we are exploring Frontier Airlines at Denver Airport including terminal maps, services, amenities, important travel tips, and more.

So, let’s get started.

What terminal is Frontier at Denver International Airport (DEN)?

Denver International Airport (DEN) is currently ranked the third busiest airport in the United States as it handles more than 50 million passenger traffic each year. The airport is also commonly known as DIA.

Denver Airport is equipped with 6 concrete runways each with a minimum length of 12,000 ft (3,658 m). Regarding terminal infrastructure, there is only one terminal named ‘Jeppesen Terminal’ that accommodates three Concourses: Concourse A, Concourse B, and Concourse C.

The West section of Jeppesen Terminal holds Concourses A, and B while the East section features Concourse C. There are a total of 146 gates in these three Concourses (51 gates in Concourse A, 66 gates in Concourse B, and 29 gates in Concourse C).

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Frontier Airlines is the third highest market shareholder at Denver Airport. The first, and second positions are occupied by United Airlines, and Southwest Airlines respectively.

Frontier Airlines operates from Terminal East (Concourse A) at Denver Airport. The arrivals, and departures are handled from this terminal. Baggage Services, Online Check-in, and Ticket Counter are the major services offered by Frontier at DEN.

Facilities offered by Frontier at DEN

  • TSA PreCheck
  • Customer Service
  • Ticket Counters
  • Board First Service 
  • Airport Agent Assistance
  • Courtesy Boarding
  • Zone 1 Boarding
  • Special Services
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The ticket counters for Frontier Airlines are located outside security, and operate 2 hours prior to departure time until 45 minutes prior to departure time.

Frontier customers can use self-service airport kiosks, online check-in, or Frontier Mobile App for an easier check-in process at Denver Airport.

Passengers with certain travel needs must make a trip to the ticket counter before boarding their flight. This includes those with oversized baggage, unpaid balances, unaccompanied minors, and animals. Additionally, passengers who need to make itinerary changes, require special services, or need to declare firearms must also visit the ticket counter.

For customers who purchase a carry-on bag, Frontier offers a special perk known as the Board First Service, which includes Zone 1 Boarding. Additionally, customers who purchase the Works bundle or become Elite members of myFrontier Miles are also eligible for Zone 1 Boarding.

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In addition to these services, Frontier also provides a Courtesy Boarding service for families traveling with young children (under 3 years old) and any passenger who needs extra time or assistance. Whether you need help getting to your seat or require special accommodations, Frontier is committed to providing the best possible experience for all of our passengers.


Are you traveling with your pets via Frontier Flights? If yes, please go through Frontier Pet Policy to travel safely with your furry friend.

Denver Airport Ground Transporation Facilities

  • A Line Commuter Train – The A Line commuter train, operated by the Regional Transportation District (RTD), offers convenient transportation between DEN and downtown Denver.
  • Car Sharing Services – DEN has partnered with Avail and Turo car-sharing services to provide customers with an alternate way to get to their destinations across the state.
  • Charter Buses – Charter bus companies provide pre-arranged service to various locations within Colorado and surrounding states. 
  • Hotel Shuttle – Offers shuttle and public transit services, including the A Line commuter train, to downtown Denver.
  • Limousines – Luxury limousines offer pre-arranged services to destinations within the Denver metro area and the state of Colorado. 
  • Mountain Carriers – Mountain carriers provide pre-arranged, charter, and some on-demand shuttle and/or coach services to many of Colorado’s ski and resort areas.
  • Public bus service – To and from DEN within the metro area is provided by the Regional Transportation District (RTD) and the “Bustang” service, is provided by the Colorado Department of Transportation. 
  • Ride Share Services – Ride Apps like Lyft and Uber offer pickup and drop-off transportation services for passengers at Denver International Airport.
  • Taxicabs – Taxicabs are readily available and provide service to the Denver metro area and surrounding counties.
  • Share-Ride Services – Shared-ride service, also known as commuter shuttles, operate regularly from Denver International Airport. 

Frontier Airlines Denver Terminal Map

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As shown in the DEN Terminal Map above, Terminal East serves various airlines including Frontier. Doors 601-603 are available for Frontier entrance.

After clearing security, Frontier Boarding Gates are located in Concourse A; both on the east and west sides.

Frontier Airlines Denver Terminal Departures

Frontier Departure flights from Denver Airport are handled from Terminal East (Gates A). Passengers are advised to check their flight status for terminal changes, or updates.

All departure terminal facilities including baggage service, check-in, customer service, security screening, priority boarding, curb-side check-in, and so on are offered.

Frontier Airlines Denver Terminal Arrivals

Like departures, all Frontier Arrival flights at Denver are received at Terminal East (Gates A).

Arrival services including baggage claim, security clearance, customer service, and other basic amenities are offered at the arrival terminal.

Restaurants in DEN Terminal East (Gates A)

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Frontier Airlines doesn’t feature its own lounge amenity so, passengers are required to access restaurants to enjoy food, and beverages. There are several top-quality restaurants in Terminal East (Gates A) offering a variety of dining options.

Ben & Jerry’s Ice CreamSnacks & Sweet Treats
Blue Sky BarDelicious Food & Beverages
Caribou CoffeeBreakfast, Coffee, Snacks, & Sweet Treats
Denver ChophouseAmerican, Gluten-Free, Healthy Choice & Vegetarian
Dunkin’ DonutsBreakfast, Coffee, Snacks & Sweet Treats
Einstein Bros BagelsBreakfast & Coffee
Freshens Food StudioCoffee, Healthy Choice & Vegetarian
KFC Express/Pizza Hut ExpressAmerican 
LavazzaBreakfast & Coffee
McDonald’sAmerican, Breakfast & Coffee
Mercantile Dining & ProvisionAmerican & Coffee
Mesa Verde Bar & GrillBreakfast, Mexican, and Vegetarian
Novo CoffeeCoffee, Snacks & Sweet Treats
Panda ExpressAsian, Vegetarian
Pizza Hut Tuk TukAmerican
QuiznosAmerican, Breakfast, and Coffee

Where to park at DEN for Frontier Airlines?

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Frontier Airlines passengers, and visitors can park their vehicles at various on-site airport parking spaces at Denver Airport. 

The available parking lots at the airport include Garage Parking, Economy Parking, Shuttle Parking, Short-Term Parking, and 61st and Pena Parking.

Garage Parking (East, and West)$7 per hour$30 per day
Economy Parking (East, and West)$6 per hour$18 per day ($16 for fourth, and subsequent days)
Shuttle Parking$8 per day (No Hourly rate available)
Short-Term Parking$7 per hour$168 per day
61st and Pena$5 (12 hours)$7 per day 

Car Rental Services at Denver Airport

If you’re traveling to Denver and need a reliable mode of transportation, consider renting a car from one of the many rental car companies available at DEN Airport. You can choose from several trusted providers, including Budget, Avis, Hertz, Alamo, Fox Rent A Car, National, Thrifty, Enterprise, Dollar, Payless, and SiXT.

All of these rental car companies are located conveniently near Island 4 and the Rental Car Lots in the Jeppesen Terminal, so you can quickly and easily pick up your car and hit the road. Whether you need a small, economical car or a spacious SUV, these rental car companies have a variety of options to suit your needs and budget.

When you rent a car from DEN Airport, you can enjoy the freedom and flexibility of exploring the beautiful city of Denver and its surroundings at your own pace. With so many rental car options available, you can easily find the perfect vehicle for your needs and preferences.

If you are an AAA member, AARP member, active-duty military personnel, national guard, and federal government employee, you get exclusive car rental discounts, and benefits.
(Check out the following blogs to grab the discounts, and amenities.)
How to get car rental discounts with AAA?
A Comprehensive Guide to Car Rental Discounts with AARP.
Discover Military Discounts for Car rental services.
Explore 15+ PRO TIPS to get cheaper car rental discounts every time.

Conclusion on ‘What terminal is Frontier Airlines at Denver?’

In conclusion, Denver Airport is the primary hub for Frontier Airlines which operates numerous daily flights to major domestic, and international destinations.

The airline uses Terminal East (Gates A) for arrivals, and departures. If you’re traveling with Frontier via DEN Airport, this guide may be beneficial as we discussed important travel tips, airport navigation, food options, arrivals/departures, and more.

Let’s wrap up with the key points listed below.

  • Denver International Airport (DEN) is one of the major airports in the DC area, and the third-highest busiest airport in the United States.
  • DEN airport is equipped with one passenger terminal named ‘Jeppesen Terminal’. There are three concourses; Concourse A, Concourse B, and Concourse C. 
  • Frontier Airlines operates from Terminal East (Concourse A) at DEN Airport. All arrival, and departure flights are handled from this terminal.
  • Frontier passengers can enjoy various amenities at the airport such as dining at popular restaurants, and shopping at retail stores.
  • Parking space is sufficient at Denver Airport with the availability of different lots including Garage Parking, Economy Parking, Shuttle Parking, and Short-Term Parking.

FAQs on Frontier Terminal at Denver Airport

What concourse is Frontier Airlines at Denver?

Frontier Airlines uses Concourse A (Terminal East) at Denver International Airport (DEN). Gates A are used for arrival, and departure flights.

Where is Frontier located in DIA?

Frontier Airlines is located in Terminal East of Denver International Airport (DIA). Specifically, their ticket counter is located on Level 6 on the east side of the terminal, while their gates are situated on the east side of Concourse A.

Can you walk between terminals at Denver Airport?

To access Concourses B and C at Denver International Airport (DIA), simply take the Train to the Gates from Jeppesen Terminal. If you need to reach Concourse A, you have the choice of walking across the passenger bridge or taking the train from the terminal. To expedite your travel time, make sure to take advantage of the moving walkways located throughout the Gates and the terminal. 

How early should I arrive at Denver Airport?

For domestic flights, you are recommended to arrive at least 2 hours before your departure. Likewise, you are advised to arrive at least 3 hours prior to your international departure from Denver Airport. This will give you enough time to check in, enjoy airport amenities, go through security screening, and reach your gate before your flight departs.

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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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