If you're flying on Frontier Airlines through Denver International Airport (DEN), chances are high that you'll be using one of the busiest and most important concourses for domestic low-cost air travel: the flagship hub for Frontier Airlines, the Denver terminal is a pivotal access point to over 100 destinations across the United States, Mexico, and the Caribbean.
This blog is your very detailed, start-to-finish guide covering everything about the frontier airlines denver terminal—from check-in to boarding, food to amenities, and even insider tips that frequent flyers swear by. Whether you're a first-time flier or a frequent budget traveler, here’s everything you need to navigate Denver’s Frontier terminal like a pro.
For direct access to detailed terminal information, flight schedules, and gate maps, refer to the frontier airlines denver terminal official guide.
Frontier Airlines and Denver International Airport: A Strategic Partnership
Denver International Airport is more than just an operational location for Frontier—it’s the airline’s home base. As one of the fastest-growing carriers in the U.S., Frontier uses Denver as its central hub to operate the majority of its connections. From short-haul hops to the Midwest to tropical getaways in Cancun, all of it begins at the frontier airlines denver terminal.
Where to Find Frontier at DEN: Terminal & Concourse Overview
Frontier Airlines operates exclusively from Concourse A at Denver International Airport. This concourse is accessible by:
Automated People Mover (Train): This underground train system runs every few minutes and connects passengers from Jeppesen Terminal to Concourses A, B, and C.
Pedestrian Bridge: Located on Level 6 of Jeppesen Terminal, this bridge directly links to the upper level of Concourse A and has a dedicated TSA checkpoint. Bonus: The views of the Rockies from the bridge are breathtaking!
Check-In Options at the frontier airlines denver terminal
Frontier has adopted a digitally efficient model that encourages self-service. Here’s how to check in:
Mobile App or Website: Available 24 hours prior to departure. Best way to save time and money on baggage.
Airport Kiosks: Located near the Frontier counters in Jeppesen Terminal. Use your confirmation number to print boarding passes and pay for bags.
Check-In Desks: Only recommended if you have special needs, oversized baggage, or flight complications.
Security Checkpoints and TSA Tips
Security screening is available at three main checkpoints:
South Checkpoint: Near baggage claim and generally the busiest.
North Checkpoint: Often faster during peak times.
Bridge Checkpoint (to Concourse A): Usually the least crowded and highly recommended for Frontier passengers.
Pro Tip: Use the bridge if you’re traveling light—it’s faster, less stressful, and scenic.
Baggage Policies and Fees at a Glance
Frontier is known for ultra-low base fares, but they charge for everything beyond a personal item.
Personal Item: Free. Must fit under the seat (14" x 18" x 8").
Carry-On Bag: Fee applies. Must fit in overhead bin (24" x 16" x 10").
Checked Bag: Additional charge. Weight must be under 40 lbs.
Overweight Bags: Subject to high fees.
Important: Always pre-pay for baggage online to avoid higher charges at the airport.
Boarding Process at Concourse A
Boarding usually begins 30-40 minutes before departure at Gates A30–A49, which are primarily assigned to Frontier Airlines. The airline follows a zone-based boarding system. Boarding groups are printed on your boarding pass.
While waiting, travelers can enjoy comfortable seating, device charging stations, and restrooms in close proximity.
Dining Options at the frontier airlines denver terminal
Concourse A offers a mix of local flavors and popular national chains. Some must-visit food and drink spots include:
Quick Eats
Einstein Bros. Bagels: Great for early-morning flights
Panda Express: Hot and fast Asian cuisine
McDonald’s: Reliable and budget-friendly
Smashburger: Denver-born gourmet burger chain
Sit-Down & Local Favorites
Root Down DIA: Upscale, organic eatery with global influences
Mesa Verde Bar & Grill: Tex-Mex with a Colorado spin
Elway’s: Steaks and cocktails, named after Denver Broncos legend John Elway
Coffee & Snacks
Starbucks
Caribou Coffee
Dazbog Coffee: A local favorite
Shopping and Retail Therapy
Forgot your phone charger or want to pick up a Denver-themed souvenir? You're covered.
Hudson News: Snacks, books, and travel essentials
Tattered Cover: Denver’s iconic indie bookstore
Spirit of the Red Horse: Native American art and gifts
Tech on the Go: Chargers, headphones, and travel tech
Frontier’s Customer Support and Help Desks
If you need help with flight changes, rebooking, or luggage issues, Frontier has dedicated help desks in the Jeppesen Terminal and gate representatives at Concourse A. You can also use the Frontier mobile app to live chat with agents, receive real-time flight notifications, and manage bookings.
Amenities at the frontier airlines denver terminal
Despite its budget focus, the terminal is fully equipped to make your journey easier:
Free Wi-Fi
Accessible Restrooms
Nursing Rooms
Pet Relief Areas
Family Waiting Zones
Power Outlets at Every Gate
Medical Services Nearby
Parking and Ground Transport Options
Denver International Airport is massive, so planning your transport ahead is key.
On-Site Parking:
Garage Parking: Covered and close to the terminal
Economy Lot: Budget-friendly with free shuttles
Short-Term Parking: For quick drop-offs and pickups
Public Transport:
RTD A Line Train: Direct from Union Station to DEN in under 40 minutes
Rideshare:
Uber/Lyft Pickups: Available on Level 5, Island 5, west side
Car Rentals:
Shuttle buses are available from the terminal to the rental car center
Expansion Projects and What’s Coming Next
Due to increased demand and Frontier’s rapid growth, Denver International Airport is undergoing major renovations and expansions. The new developments will include:
More Gates at Concourse A
Enhanced Digital Signage
Expanded Food Court Area
Additional TSA Lanes
Upgraded Seating with USB and Power Access
These upgrades aim to streamline passenger flow, improve comfort, and support the ever-growing number of Frontier travelers.
Tips for Traveling via the frontier airlines denver terminal
Pre-Pay for Bags Online: It’s cheaper and faster.
Use the Pedestrian Bridge: Especially during peak hours.
Pack Snacks and Entertainment: Frontier doesn’t provide free snacks or in-flight entertainment.
Download the App: Manage your entire journey on your phone.
Arrive Early: At least 2 hours before domestic, 3 hours for international flights.
Stay Charged: Use gate-side USB ports to power up devices.
Pack Light: Avoid checked bag fees by packing smart.
Final Thoughts
The Denver International Airport is more than just a gateway—it’s the lifeblood of Frontier’s vast network and a key location for domestic and international travel. Though designed with budget travelers in mind, the terminal doesn’t compromise on convenience, accessibility, or essential comforts. Whether you’re jetting off for a family vacation, business trip, or weekend getaway, understanding this terminal’s layout and amenities can significantly enhance your travel experience.
