At a cost of $10 each way, travelers can use the A Line (see train schedule) to get from the airport to downtown Denver and vice versa, courtesy of the Regional Transportation District (RTD), metro Denver's public transit provider.

RTD provides bus and rail public transit service to Denver, Boulder, and surrounding cities in Colorado. Find station information, route maps, schedules, and fare options.

June 30, 2025 - A Line Train at Denver Airport Station. Often referred to as “the jewel in the crown” of the RTD system, the A Line opened in April 2016 and connects Denver Union Station to Denver International Airport (DEN).

The train from Denver Airport Station to Union Station takes 37 min including transfers and departs every 20 minutes.

Note that RTD train operators are unable to assist with loading or unloading, so ensure you can handle your luggage independently. 104L · Wagon Road / Denver Airport Limited · 145X · Brighton / Denver Airport · 169L · Buckley / Tower DIA Limited · A · Union Station to Denver Airport Station ·

September 22, 2023 - The Colorado Department of Transportation’s Bustang®, an interregional bus service, gives passengers traveling from outside of Denver options for getting to and from the airport via the A Line commuter train from Denver’s Union Station.

August 12, 2024 - The train does close for the night, but for less than 3 hours until it wakes up again. The Denver Airport Train schedule: (subject to change) Daily – The first train leaves Union Station at 3:00 am for the airport.

The RTD A Line provides a direct connection between Denver International Airport and downtown Denver via Union Station. It’s a reliable, affordable alternative to taxis and rideshares. ... The train station is located on Level 1 of the DEN Transit Center, next to the Westin Hotel.

At a cost of $10 each way, travelers can use the A Line to get from the airport to downtown Denver and vice versa, courtesy of the Regional Transportation District (RTD), metro Denver's public transit provider.

The train from Union Station to Denver Airport Station takes 37 min including transfers and departs every 20 minutes.

December 2, 2025 - The A Line begins at the airport and travels west to Union Station in Downtown Denver in about 37 minutes via six intermediate stops. Trains operate approximately every 15 minutes.

Denver Airport has direct train connection with downtown Denver. RTD (Regional Transportation District’s) “University of Colorado A-Line” provides rail transportation to and from the airport. ... Runs a distance of 23 miles between Denver Airport and downtown’s Denver Union Station.

2 weeks ago - Operated by the Regional Transportation District (RTD), the A Line connects Denver International Airport with Union Station in downtown Denver in about 37 minutes. Once leaving the airport, the train makes six brief stops before reaching its ...

Monday-Friday - To Denver Airport · Monday-Friday - To Union Station · Saturday - To Denver Airport · Saturday - To Union Station · Sunday - To Denver Airport · Sunday - To Union Station · Jump to Top · Jump to Top · Jump to Top · Jump to Top ·

Public transportation - Train (A Line): Travel by the A Line operated by the Regional Transportation District, which takes approximately 37 minutes from Denver International Airport (DEN) to Denver Union Station.

The train from Union Station to Denver Airport Station takes 37 min including transfers and departs every 20 minutes.