University of Colorado A Line (Recommended)
The University of Colorado A Line commuter rail connects DEN to Union Station in downtown Denver in approximately 37 minutes. The station is located inside the main terminal. Fares are approximately $10.50. The A Line also serves several intermediate stations including 40th & Colorado and Central Park.
Taxi
Taxis are available from the designated taxi zones outside baggage claim. The journey to downtown Denver takes approximately 35–45 minutes and costs approximately $55–75 plus tip, depending on traffic.
Rideshare (Uber, Lyft)
Rideshare services are available from the designated pickup area. Prices vary by demand. The journey to downtown Denver takes approximately 35–45 minutes.
Rental Car
All major rental car companies operate from the on-airport Rental Car Center, accessible via shuttle from the terminal. A car is recommended for day trips to Rocky Mountain National Park, ski resorts, and other Colorado destinations.
Key Tips
The A Line is the best option for most travelers — it is fast, affordable, and avoids Denver's highway traffic.
The A Line station is inside the main terminal — follow signs from baggage claim.
Denver is the gateway to Colorado's ski resorts — rental cars and shuttle services connect the airport to Vail, Breckenridge, Aspen, and other mountain destinations.
Allow at least 90 minutes from downtown Denver to DEN for international departures.