United Flights from Denver (DEN) starting at $ 97* or from $/mo
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Airport information for your flight from Denver (DEN)
Denver is served by the Denver International Airport (DEN), one of the largest airports in the United States, located 25 miles (40 km) east of downtown.
Denver International Airport has two United ClubSM locations.
Reaching Denver Airport
The RTD Train Line A connects downtown’s Union Station to the airport every 15 minutes, and the ride takes less than 40 minutes. Several public bus routes also connect to the airport. Some area hotels provide airport shuttle service and taxis offer fixed-price fares. For the most convenience and flexibility, drive and park onsite or add a rental car to your reservation when booking your Denver flights.