The average bus between Boulder and Aspen takes 6h 42m and the fastest bus takes 6h 15m. The bus service runs several times per day from Boulder to Aspen. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.
Buses run 5 times a day between Boulder and Aspen. The earliest departure is at 5:04 AM in the morning, and the last departure from Boulder is at 11:03 PM which arrives into Aspen at 11:45 AM. All services require a transfer at Union Station Gate B17 and take an average of 6h 42m. The schedules shown below are for the next available departures.


6h 40m • 2 changes


6h 40m • 2 changes


6h 32m • 2 changes


6h 47m • 2 changes


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6h 40m • 2 changes


6h 32m • 2 changes


6h 47m • 2 changes


6h 40m • 2 changes


6h 40m • 2 changes


6h 32m • 2 changes


6h 47m • 2 changes


6h 40m • 2 changes


6h 40m • 2 changes


6h 32m • 2 changes


6h 47m • 2 changes


6h 40m • 2 changes


6h 40m • 2 changes


6h 32m • 2 changes


6h 47m • 2 changes
Want to know about travelling from Boulder to Aspen? We have put together a list of the most frequently asked questions from our users such as: What is the cheapest mode of transport? What is the quickest option? How much do tickets usually cost? and many more.
No, there is no direct bus from Boulder to Aspen. However, there are services departing from Boulder station and arriving at Aspen station via Union Station Gate B17 station. The journey, including transfers, takes approximately 6h 42m.
Boulder to Aspen bus services, operated by Regional Transportation District, depart from Broadway & 20th St station.
Boulder to Aspen bus services, operated by Regional Transportation District, arrive at Garmisch St + Hopkins Ave station.
The distance between Boulder and Aspen is 161.5 km. The road distance is 378 km.
You can take a bus from Broadway & 20th St to Garmisch St + Hopkins Ave via Union Station Gate B17, Union Station Gate B19, and West Glenwood Park & Ride in around 7h 15m.