Getting to and from Denver International Airport (DEN)
Denver, Colorado KDEN #4 US airport by passengers
Train, bus, shuttle, rideshare and rental cars at DEN.
Ways to reach DEN
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Rail
RTD A Line
Commuter rail from the terminal to Denver Union Station in about 37 minutes. It is usually the fastest option at rush hour. Purchase a ticket at the station before boarding.
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Bus
RTD bus and regional routes
Local and regional buses link the airport with nearby suburbs and mountain towns. Several private shuttles run to Boulder and the ski areas.
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Rideshare and taxi
Terminal curbs
Follow the ground transportation signs after baggage claim.
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Shuttle
Ski-country shuttles
In winter, scheduled shuttles connect the airport with many mountain resorts. Pre-booking is recommended for weekends.
Reviewed October 8, 2026. Confirm details on the official airport website. Spotted a change?
Frequently asked questions
How far is Denver International from downtown?
About 25 miles. The A Line takes roughly 37 minutes to Union Station. By car it is usually 30 to 45 minutes depending on traffic.
How do you get to Concourses B and C?
Take the automated train from the terminal. A pedestrian bridge serves Concourse A only.