Denver International Airport (DEN)
Denver International Airport serves Denver and the surrounding region. 72.1M (2023). Located near the city centre, it handles domestic and international flights with 1 terminal. Southwest Airlines, United Airlines, Frontier Airlines, American Airlines, Delta Air Lines, Spirit Airlines, British Airways
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Terminal layout
Denver International Airport operates with 1 terminal, handling both domestic and international flights. Check-in counters, security screening, departure gates, and arrivals are all within the same building.
Terminal maps, signage, and information desks are available throughout to assist with navigation. Allow sufficient time for security and boarding, especially during peak hours.
Single terminal — simple navigation
All airlines operate from the same terminal. Follow the colour-coded signage for departures (usually blue/green) and arrivals (usually yellow).
Emergency Numbers
24/7 emergency services in United States
Customs & Duty-Free
Arrival regulations for United States
Mobile Connectivity
Local operators & SIM cards in United States
Passenger tips by type
Practical advice tailored to different traveller profiles passing through Denver International Airport.
First-time visitors
- Arrive at least 2 hours before domestic and 3 hours before international flights.
- Download the airline app for real-time gate and boarding updates.
- Keep your boarding pass and ID accessible — you'll need them at security and the gate.
Transit & connections
- Check if your connection requires terminal transfer — allow extra time.
- Stay airside if possible to avoid re-clearing security.
- Look for flight connection desks if your incoming flight is delayed.
Families with children
- Family lanes are usually available at security — look for signs.
- Baby changing facilities are located throughout the terminal.
- Bring snacks and entertainment for children during waits.
Business travellers
- Priority security lanes may be available with business-class tickets or elite status.
- Lounge access included with many premium tickets — check your boarding pass.
- Power outlets and USB charging are available at most gates and seating areas.
Airport-specific information
Detailed information about Denver International Airport terminals, transport, facilities, and local travel tips.
Terminals: Jeppesen Terminal with three concourses (A: 60 gates Alaska/Delta/Frontier/JetBlue/United/international, B: 72 gates United, C: 47 gates Southwest/American/regional). International arrivals in Concourse A (A380/747-8 capable gates). 169 gates total. Located 25 miles northeast of downtown Denver. Iconic peaked roof imitating snowcapped Rocky Mountains.
Transport: RTD A Line rail to Denver Union Station (37 min, every 15 min). RTD skyRide bus to Arapahoe County/Boulder. Route 104L to Thornton, 145X to Brighton, 169L to Aurora. Peña Boulevard to I-70. Consolidated rental car facility with shuttles (Level 5, Island 4). Scheduled bus to Fort Collins, van services to Nebraska/Wyoming/Colorado resorts. Bicycle access (shoulder on Peña Blvd).
Facilities: 8 lounges (5 with day pass). Dining and shopping. Free Wi-Fi. Parking.
Local tips: Colorado's primary airport. RTD A Line to Denver Union Station fastest (37 min). Peña Boulevard to I-70. Concourse B exclusive to United. Concourse A for international arrivals. Iconic peaked roof terminal. Consolidated rental car facility.
Airlines & routes
DEN carriers
International destinations
- Asia: Tokyo, Seoul, Bangkok, Singapore, Kuala Lumpur, Dubai
- Europe: London, Paris, Frankfurt, Amsterdam, Rome
- North America: New York, Los Angeles, Vancouver, Toronto
- Domestic: Beijing, Shanghai, Guangzhou, Shenzhen, Chengdu
Frequently asked questions
For international flights, arrive at least 2–3 hours before departure. Domestic flights typically require 1–2 hours. Allow extra time during peak travel periods and holidays.
Yes, Denver International Airport offers free Wi-Fi throughout the terminal buildings. Look for the airport network on your device and connect without registration for basic access.
Denver International Airport operates a single terminal handling both domestic and international flights. All check-in, security, gates, and arrivals are within the same building.