There are 5 ways to get from Boulder to Aspen by bus, plane, car, or bus (Greyhound)
Select an option below to see step-by-step directions and to compare ticket prices and travel times in Rome2Rio's travel planner.
Bus, fly
best- Take the bus from US 36 & Flatiron Station Gate A to Denver Airport Station Gate 6
- Fly from Denver (DEN) to Aspen–Pitkin County Airport (ASE)DEN - ASE
3h 35m$47–309Drive 165.4 mi
cheapest- Drive from Boulder to Aspen165.4 mi
3h 49m$31–44Bus, drive
- Take the bus from US 36 & Flatiron Station Gate A to Denver Airport Station Gate 6Ab1 / ...
- Take the bus from Denver International Airport to Vail Transportation Center
- Drive from Vail Transportation Center to Aspen
6h 1m$132–170Bus
- Take the bus from Broadway & 20th St to Union StationFf1 / ...
- Take the bus from Union Station Gate B19 to West Glenwood Park & Ride
- Take the bus from West Glenwood Park & Ride to Garmisch St + Hopkins AveBrt / ...
7h 10m$31–44Bus via Glenwood Springs
- Take the bus from Downtown Boulder Station Gate 1 to Union StationFf1 / ...
- Take the bus from Denver Union Station to Glenwood Springs
- Take the bus from 27th St Station to Garmisch St + Hopkins AveBrt / ...
7h 32m$35–92
Boulder to Aspen by bus
Questions & Answers
The cheapest way to get from Boulder to Aspen is to bus which costs $30 - $45 and takes 7h 10m.
The fastest way to get from Boulder to Aspen is to bus and fly which takes 3h 35m and costs $45 - $310.
No, there is no direct bus from Boulder to Aspen. However, there are services departing from Broadway & 20th St and arriving at Garmisch St + Hopkins Ave via Union Station Gate B19 and West Glenwood Park & Ride. The journey, including transfers, takes approximately 7h 10m.
The distance between Boulder and Aspen is 173 miles. The road distance is 166.4 miles.
The best way to get from Boulder to Aspen without a car is to bus which takes 7h 10m and costs $30 - $45.
It takes approximately 3h 35m to get from Boulder to Aspen, including transfers.
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 Union Station.
Yes, the driving distance between Boulder to Aspen is 166 miles. It takes approximately 3h 49m to drive from Boulder to Aspen.
There are 978+ hotels available in Aspen.
What companies run services between Boulder, CO, USA and Aspen, CO, USA?
You can take a bus from Broadway & 20th St to Garmisch St + Hopkins Ave via Union Station, Union Station Gate B19, and West Glenwood Park & Ride in around 7h 10m.
Transport is disrupted due to the Russia-Ukraine war. Read more
- Website
- united.com
Flights from Denver to Aspen–Pitkin County Airport
- Ave. Duration
- 56 min
- When
- Every day
- Estimated price
- $40–300
- Phone
- +1 303-299-6000
- Website
- rtd-denver.com
Bus from US 36 & Flatiron Station Gate A to Denver Airport Station Gate 6
- Ave. Duration
- 40 min
- Frequency
- Hourly
- Estimated price
- $3
- Website
- https://www.rtd-denver.com/
- Adult
- $3
Bus from Broadway & 20th St to Union Station
- Ave. Duration
- 45 min
- Frequency
- Hourly
- Estimated price
- $3
- Website
- https://www.rtd-denver.com/
- Adult
- $3
Bus from Downtown Boulder Station Gate 1 to Union Station
- Ave. Duration
- 55 min
- Frequency
- Every 30 minutes
- Estimated price
- $3
- Website
- https://www.rtd-denver.com/
- Adult
- $3
- Phone
- +1 970-754-7433
- Website
- epicmountainexpress.com
Bus from Denver International Airport to Vail Transportation Center
- Ave. Duration
- 1h 32m
- Frequency
- Every 4 hours
- Estimated price
- $110–140
- Website
- https://www.epicmountainexpress.com/
- Phone
- +1 800-900-3011
- Website
- ridebustang.com
Bus from Union Station Gate B19 to West Glenwood Park & Ride
- Ave. Duration
- 3h 55m
- Frequency
- Hourly
- Estimated price
- $24–35
- Website
- https://ridebustang.com
- Phone
- +1 970-925-8484
- Website
- rfta.com
Bus from West Glenwood Park & Ride to Garmisch St + Hopkins Ave
- Ave. Duration
- 1h 37m
- Frequency
- Every 15 minutes
- Estimated price
- $4–6
- Schedules at
- rfta.com
Bus from 27th St Station to Garmisch St + Hopkins Ave
- Ave. Duration
- 1h 22m
- Frequency
- Every 10 minutes
- Estimated price
- $4–6
- Schedules at
- rfta.com
Rome2Rio's guide to Greyhound USA
Contact Details
- Phone
- +1 214-849-8100
- ifsr@greyhound.com
- Website
- greyhound.com
Bus from Denver Union Station to Glenwood Springs
- Ave. Duration
- 3h 45m
- Frequency
- Once daily
- Estimated price
- $27–80
- Website
- https://www.greyhound.com/
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