Traveling through Denver International Airport (DEN) can be an overwhelming experience, especially if you’re flying with a budget carrier like Frontier Airlines. As the main hub for Frontier, Denver International Airport is one of the most important departure and arrival points for the airline’s expansive domestic network. Knowing what to expect at the frontier airlines denver terminal can make your entire journey far more efficient, pleasant, and stress-free.

In this in-depth guide, we’ll walk you through every aspect of navigating the terminal, from the moment you arrive at the airport to boarding your flight and everything in between. Whether you’re a seasoned flyer or preparing for your first flight, this blog will leave no stone unturned when it comes to maximizing your experience with Frontier Airlines at DEN.

Introduction to Frontier Airlines and Denver International Airport

Frontier Airlines, known for its ultra-low-cost fares, operates primarily out of Denver International Airport. DEN is not just another stop—it’s Frontier’s headquarters and largest hub. This partnership means that the airline has dedicated gates, check-in counters, and support services within Concourse A.

Located roughly 25 miles from downtown Denver, the airport spans 33,531 acres, making it the largest airport in North America by total land area. For travelers, that size means more walking, more transportation options, and a need for better planning to ensure a smooth trip.

How to Get to the frontier airlines denver terminal

There are several convenient ways to reach the airport and ultimately get to Frontier’s terminal:

By Car

You can access Denver International Airport via Peña Boulevard. Several parking options are available, including:

  • Short-Term Parking: Located close to the terminal, ideal for pick-ups and drop-offs.

  • Garage Parking: Covered parking connected to the Jeppesen Terminal.

  • Economy and Shuttle Lots: Affordable long-term options with frequent shuttle services.

By Public Transit

Denver’s RTD A-Line commuter rail connects Union Station in downtown Denver with the airport in under 40 minutes. It drops you off directly at the airport’s main terminal, Jeppesen Terminal.

Rideshare & Taxi Services

Designated pick-up and drop-off points for Uber, Lyft, and traditional taxis are located curbside on Level 5 of Jeppesen Terminal.

Where Frontier Airlines Operates in DEN

The frontier airlines denver terminal primarily operates out of Concourse A at Denver International Airport. Passengers can access Concourse A in two ways:

  • The Pedestrian Bridge: Located on Level 6 of Jeppesen Terminal, this bridge takes you directly to the security checkpoint at Concourse A.

  • The Automated People Mover (Train): Trains run every few minutes and stop at all three concourses: A, B, and C.

Pro tip: If you're only carrying a personal item and traveling light, the pedestrian bridge is a faster way to access security and your gate in Concourse A.

Check-In and Baggage Drop

Online and Mobile Check-In

Frontier strongly encourages passengers to check in online or through its mobile app, which opens 24 hours before the scheduled flight time. You can select seats, pay for bags, and download your boarding pass.

Airport Check-In

For those who prefer in-person assistance, Frontier’s check-in counters are located in Jeppesen Terminal, near the entrance to Concourse A.

Self-Service Kiosks

These kiosks allow you to print boarding passes and bag tags. They're a great way to avoid lines and save time.

Baggage Policy

One of the biggest differences with Frontier Airlines is their baggage fee structure:

  • Personal Item: Free (must fit under the seat)

  • Carry-On Bag: Fee applies

  • Checked Baggage: Fee applies, varies by route and booking method

Make sure to weigh and measure your bags ahead of time to avoid paying extra fees at the airport.

Navigating Security

Once you're checked in and have your boarding pass in hand, you'll head to the security checkpoint. Denver International offers three security locations:

  • South Checkpoint: Best for standard screening

  • North Checkpoint: Open 24/7 and usually has shorter lines

  • Bridge Security: Located on the pedestrian bridge, often overlooked and faster

TSA PreCheck and CLEAR lanes are available at all security checkpoints. After clearing security, you’ll be free to explore Concourse A.

What to Expect Inside Concourse A

Dining Options

Frontier’s terminal is well-stocked with food and beverage options for all tastes:

  • Root Down DIA: A modern eatery focused on fresh, organic meals.

  • Einstein Bros. Bagels: Perfect for breakfast or a quick snack.

  • Cantina Grill: Serves Mexican fare and offers both sit-down and to-go options.

  • Modern Market Eatery: Health-conscious meals with a focus on sustainability.

Shopping

Need a last-minute gift or travel accessory? You’ll find:

  • Hudson News: A go-to for books, magazines, and snacks.

  • Tech on the Go: Offers electronics and chargers for your devices.

  • Colorado Limited: Local souvenirs and apparel.

Relaxation and Services

  • Free Wi-Fi throughout the airport.

  • Charging stations and work-friendly seating areas.

  • Nursing rooms, family restrooms, and accessible facilities.

  • Massage chairs and travel spa kiosks for relaxation.

Boarding Your Frontier Flight

Frontier Airlines uses a zone-based boarding system:

  • Zone 1: Priority and paid early boarding

  • Zone 2 to 5: General boarding by seat or group

Gates for Frontier flights usually range from A30 to A50. Make sure to keep an eye on monitors for gate changes and announcements. Boarding typically starts 30–45 minutes before departure.

Be ready with:

  • A valid government-issued ID

  • Boarding pass (paper or digital)

  • Compliant carry-on and personal item

Arriving at the frontier airlines denver terminal

If you're arriving on a Frontier flight at DEN, you'll deplane at Concourse A. Follow the overhead signs to reach:

  • The Train to Jeppesen Terminal: Ideal for those with checked baggage.

  • The Pedestrian Bridge: A quicker option if you only have a personal item.

Once at Jeppesen Terminal:

  • Baggage claim is located on Level 5.

  • Ground transportation (buses, shuttles, rideshare) is also on Level 5.

  • Rental car shuttles pick up passengers outside the terminal.

Tips for a Smooth Experience

To make your trip through the frontier airlines denver terminal even more efficient:

  • Download the Frontier mobile app: For boarding passes, alerts, and gate changes.

  • Arrive early: At least two hours before domestic flights.

  • Check baggage policies ahead of time to avoid surprise fees.

  • Use the pedestrian bridge if traveling light.

  • Bring snacks and refillable water bottles to save money.

Upcoming Enhancements and Expansion Projects

Denver International Airport is undergoing major improvements as part of its “Great Hall” project and terminal expansion initiatives. These include:

  • More gates in Concourse A for Frontier and other airlines

  • Additional retail and food outlets

  • Modernized restrooms, lounges, and waiting areas

  • Smart technology for passenger tracking and alerts

These developments will make the frontier airlines denver terminal even more accommodating and traveler-friendly in the future.

Conclusion

Flying with Frontier Airlines through Denver International Airport doesn’t have to be a confusing or stressful experience. With the right preparation and knowledge, you can easily navigate every stage of your journey—from check-in and security to dining, shopping, and boarding. Whether you’re traveling for business, leisure, or a spontaneous adventure, Concourse A at DEN offers the convenience, amenities, and efficiency to get you where you need to go.