Navigating Denver International Airport requires understanding its massive footprint, unique terminal design, and efficient transit systems. Spanning 53 square miles, DEN is the second-largest airport in the world by land area, handling over 77 million passengers annually. Its iconic tented Jeppesen Terminal connects to three midfield concourses via an underground train, making spatial awareness vital for avoiding missed connections.
Understanding how security, parking, and inter-concourse transit operate will save you hours of frustration. Whether you're flying out for a business trip or connecting through on a ski vacation, mastering DEN's layout ensures a smooth journey from curb to boarding gate.
Understanding DEN Terminal Layout and Concourses
The airport centers around the Jeppesen Main Terminal, divided into East and West sides for passenger drop-off and pick-up. Unlike many airports where concourses attach directly to check-in desks, DEN's concourses A, B, and C sit entirely separate from the main building out on the tarmac.
- Jeppesen Terminal: Houses check-in counters, baggage claim, international arrivals, and ground transportation. It's split into East (sides for international and specific domestic carriers) and West (primarily United Airlines and others).
- Concourse A: Accessible via an underground automated underground train or a pedestrian skybridge from the main terminal. It serves multiple major airlines and regional carriers.
- Concourse B: The largest concourse at DEN, primarily dominated by United Airlines operations, featuring massive dining and retail expansions.
- Concourse C: Primarily serves Southwest Airlines, Delta, and several other domestic carriers, located farthest from the main terminal on the train line.
You can reach Concourses A, B, and C by boarding the underground automated train system, which runs every few minutes beneath the apron. Alternatively, a pedestrian skybridge connects the main terminal directly to Concourse A if you prefer walking.
Navigating Security Checkpoints Efficiently
DEN features three main security screening areas: North and South security checkpoints on Level 5 of the Jeppesen Terminal, and a Bridge Security checkpoint that leads directly to Concourse A. Security wait times fluctuate wildly depending on the time of day, often peaking during early morning bank departures between 5:00 AM and 8:00 AM.
If you don't hold TSA PreCheck or CLEAR, check wait times on the official Denver International Airport Website before entering the terminal. The Bridge Security checkpoint on the fifth floor is often less crowded than the massive South security queue, making it a smart alternative for passengers flying out of Concourse A or B who want to bypass central terminal congestion.
Parking Strategies: Economy, Garage, and Cell Phone Lots
Finding a parking spot at DEN requires planning, as garage spaces near the terminal fill up fast during peak travel weeks and holidays.
- Garage Parking: Located immediately adjacent to the Jeppesen Terminal (Garages North and South). It's the most convenient option for short trips or quick drop-offs, priced hourly and daily.
- Economy Parking Lots (Pikes Peak and Mt. Elbert): Budget-friendly surface lots located further from the terminal. Free shuttle buses run 24/7 between these lots and the main terminal, arriving every 10 to 15 minutes.
- Cell Phone Waiting Lot: If you're picking up arriving passengers, wait here for free until your party has collected their bags and calls you at the curb. Parking along airport roadways is strictly prohibited and heavily ticketed.
Make sure to reserve garage or economy parking online ahead of time through the Official DEN Parking Portal to guarantee a spot and secure lower daily rates.
Ground Transportation and Getting to Downtown Denver
Once you land and collect your baggage, getting to your final destination in Denver or the surrounding mountains involves several clear transit choices.
- A Line Train (RTD): The University of Colorado A Line commuter train runs from the DEN Transit Center (located adjacent to the West side of the terminal) straight into Denver Union Station in downtown. Trains run every 15 minutes during peak hours and take roughly 37 minutes.
- Rental Cars: Rental car counters sit inside the terminal, but actual vehicle lots require a courtesy shuttle ride from the lower level curb.
- App-Based Rideshares: Uber and Lyft pickups are located on Level 5 on the island outside Jeppesen Terminal. Follow the overhead signs to reach the designated rideshare pickup zones.
Frequently Asked Questions
Can I walk from the main terminal to the concourses?
You can walk from the Jeppesen Terminal to Concourse A using the pedestrian skybridge. However, walking to Concourses B and C is not possible; you must take the underground automated underground train.
How early should I arrive at DEN for my flight?
For domestic flights, arrive at least two hours before departure. For international flights, give yourself three hours, especially during peak morning bank hours when security lines peak.
Where is the Westin hotel located at DEN?
The Westin Denver International Airport hotel is integrated directly into the Jeppesen Terminal above the transit center, making it easy to walk straight from your hotel room to security check-in.
What is the best way to check current security wait times?
You can view real-time security wait times for all checkpoints on the DEN Flight and Security Dashboard or via airport digital display monitors throughout the terminal.
