The average bus between Thornton and Aspen takes 7h 23m and the fastest bus takes 5h 53m. The bus service runs several times per day from Thornton 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 every 4 hours between Thornton and Aspen. The earliest departure is at 11:17 AM in the morning, and the last departure from Thornton is at 11:07 PM which arrives into Aspen at 11:45 AM. All services require a transfer at Union Station and take an average of 7h 23m. The schedules shown below are for the next available departures.


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Want to know about travelling from Thornton 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 Thornton to Aspen. However, there are services departing from Thornton station and arriving at Aspen station via Glenwood Springs. The journey, including transfers, takes approximately 7h 23m.
Thornton to Aspen bus services, operated by Regional Transportation District, depart from Denver Union Station.
Thornton to Aspen bus services, operated by Regional Transportation District, arrive at Garmisch St + Hopkins Ave station.
The distance between Thornton and Aspen is 175.7 km. The road distance is 345 km.
You can take a train from Original Thornton - 88th Station Track 1 to Garmisch St + Hopkins Ave via Union Station, Denver Union Station, Glenwood Springs, Hwy 6 + Soccer Field Rd, and 27th St Station in around 6h 34m.