Denver International Airport (DEN) – Terminal Guide & Travel Tips
Denver, United States · DEN · North America
Terminal Guide
| Terminal | Airlines | Notes |
|---|---|---|
| Jeppesen Terminal / Concourse A | United domestic,International connections | |
| Concourse B | United Airlines (primary hub),Frontier Airlines | |
| Concourse C | Southwest,American,Delta,Alaska,Spirit |
Lounge Directory
| Lounge | Location | Access |
|---|---|---|
| United Club – Concourse B | United Club membership, United MileagePlus Club card | |
| United Club – Concourse C | United Club membership, United MileagePlus Club card | |
| Amex Centurion Lounge | Amex Platinum, Centurion cards | |
| Delta Sky Club | Delta Sky Club membership, Amex Platinum/Reserve (limited visits) | |
| American Admirals Club | Admirals Club membership, Citi AAdvantage Executive card |
Pro Tips
- The A-Line train is the single best transport option — Denver traffic on E-470 and Pena Blvd can add 30–60 minutes during rush hour.
- DEN is the highest-elevation major airport in the US (5,431 ft); altitude can affect some passengers — stay hydrated.
- Frontier's hub at Concourse A is often a bargain option for Rocky Mountain destinations — check their bundled fares.
- Winter weather delays are common December–March; check road and runway conditions before heading to the airport.
- The underground train between Concourses A, B, and C is free and runs inside security — use it, don't walk.
- Parking at the on-site economy lot is cheaper; the Pikes Peak shuttle lot is the most affordable long-term option.
- Denver's thin air means planes often need longer runways for takeoff — flight delays during hot summer afternoons are not unusual.