flights.net Airport · DEN
Denver International Airport
- Terminals
- 1
- Elevation
- 5,431 ft
- Hub airlines
- 3
Denver International Airport (DEN/KDEN) is the largest airport in the Western Hemisphere by land area and a major Rocky Mountain connecting hub for United, Southwest, and Frontier. It has 1 terminal and sits 5431 ft above sea level in Denver, United States.
Getting around Denver International Airport
Public transit & taxi
- Train RTD A Line — to Union Station, ~37 min
About Denver International Airport
Denver International Airport — IATA DEN, ICAO KDEN — is the principal airport serving Denver, Colorado, in United States, and is one of the the United States hubs profiled across this guide. The airfield lies at 39.86° latitude and -104.67° longitude, 5,431 feet above mean sea level, and observes America/Denver local time. Arriving and departing passengers are handled across 1 passenger terminal.
Day-to-day operations at Denver International Airport are anchored by United Airlines, Southwest Airlines and Frontier Airlines, which operate a hub or focus city here. Those carriers base aircraft and crews at Denver, scheduling banks of connecting flights that join short-haul feeder services to the longer trunk routes which make DEN a recognisable waypoint on the the United States network.
Principal nonstop destinations from Denver include Los Angeles (LAX), Chicago (ORD), Atlanta (ATL), Dallas–Fort Worth (DFW), Las Vegas (LAS), Phoenix (PHX), San Francisco (SFO), Seattle (SEA), Orlando (MCO), Newark (EWR), Houston (IAH), Salt Lake City (SLC), Austin (AUS) and Washington (IAD). Each of those airports carries its own profile in this guide, so you can compare terminals, field elevation, based carriers and the busiest routes on the same terms before you book. Those links form part of the guide's internal route graph, connecting DEN to its principal the United States and intercontinental markets.
Airport facts
| IATA / ICAO | DEN / KDEN |
|---|---|
| City | Denver, Colorado, United States |
| Coordinates | 39.86°, -104.67° |
| Elevation | 5431 ft |
| Terminals | 1 |
| Timezone | America/Denver |
| Hub airlines | United Airlines, Southwest Airlines, Frontier Airlines |
Terminals at Denver International Airport
| Concourse A | Frontier, international and others |
|---|---|
| Concourse B | United Airlines |
| Concourse C | Southwest and others |
Airlines occasionally relocate between terminals — confirm with your airline. As of 2026-06.
Live flights near Denver International Airport
Aircraft in the air near the airport right now — live ADS-B, not a scheduled board.
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Connecting airports
Principal destinations served from Denver International Airport. Live BTS T-100 traffic volumes and on-time rates appear here once this airport's data is baked.
Route guides from DEN
Directional route profiles departing Denver International Airport, with nonstop carriers, aircraft, typical flight time and where to search fares.
Tools for your trip
- Carry-on size checker Confirm your bag fits before you fly.
- Baggage-fee comparator Compare the all-in cost across carriers.
- Delay & cancellation compensation Check what you're owed if your flight is disrupted.
Frequently asked questions
- What is the airport code for Denver International Airport?
- Denver International Airport in Denver, United States, uses IATA code DEN and ICAO code KDEN.
- Which airlines are based at Denver (DEN)?
- United Airlines (UA), Southwest Airlines (WN), Frontier Airlines (F9) operate a hub or focus city at Denver International Airport.
- Where is Denver International Airport located?
- Denver International Airport sits at 39.86°, -104.67° and 5431 feet above sea level, in the America/Denver timezone.
- How many terminals does Denver International Airport have?
- Denver International Airport has 1 passenger terminal.
- What city and country does DEN serve?
- DEN (Denver International Airport) serves Denver, Colorado, in United States.
- Is Denver International Airport a hub airport?
- Yes. United Airlines, Southwest Airlines, Frontier Airlines operate a hub or focus city at DEN, giving Denver a dense schedule of connecting flights across its 1 terminal.
- Which destinations can you fly to nonstop from Denver?
- Major nonstop markets from Denver International Airport include Los Angeles (LAX), Chicago (ORD), Atlanta (ATL), Dallas–Fort Worth (DFW), Las Vegas (LAS), Phoenix (PHX), each with its own airport profile in this guide.
Data sources
- Airport identity and geography courtesy of OurAirports (ourairports.com) and Wikidata.