There are 4 ways to get from Casper to Boulder by plane, bus, taxi, or car
Select an option below to see step-by-step directions and to compare ticket prices and travel times in Rome2Rio's travel planner.
Fly, bus
best- Fly from Casper (CPR) to Denver (DEN)CPR - DEN
- Take the bus from Denver Airport Station Gate 8 to Downtown Boulder Station
3h 20m$76–408Drive 268.2 mi
cheapest- Drive from Casper to Boulder268.2 mi
4h 10m$49–71Bus, taxi
- Take the bus from Casper Amtrak Station to Wheatland Amtrak Bus Stop
- Take the bus from Wheatland Amtrak Bus Stop to Cheyenne, WY
- Take the bus from Cheyenne to Harmony Transfer Centre
- Take the taxi from Harmony Transfer Centre to Boulder
6h 28m$253–343Bus
- Take the bus from Casper Amtrak Station to Denver Union StationBuffalo
- Take the bus from Union Station Gate B17 to Broadway & Regent DrFf1 / ...
7h 2m$86–98
Casper to Boulder by bus
Questions & Answers
The cheapest way to get from Casper to Boulder is to drive which costs $45 - $75 and takes 4h 10m.
The fastest way to get from Casper to Boulder is to fly and bus which takes 3h 20m and costs $75 - $410.
No, there is no direct bus from Casper station to Boulder. However, there are services departing from Casper Amtrak Station and arriving at Broadway & Regent Dr via Union Station Gate B17. The journey, including transfers, takes approximately 7h 2m.
The distance between Casper and Boulder is 289 miles. The road distance is 269.7 miles.
The best way to get from Casper to Boulder without a car is to bus and taxi which takes 6h 28m and costs $250 - $350.
It takes approximately 3h 20m to get from Casper to Boulder, including transfers.
Casper to Boulder bus services, operated by Express Arrow, depart from Casper Amtrak Station.
Casper to Boulder bus services, operated by Express Arrow, arrive at Denver Union Station.
Yes, the driving distance between Casper to Boulder is 270 miles. It takes approximately 4h 10m to drive from Casper to Boulder.
There are 126+ hotels available in Boulder.
What companies run services between Casper, WY, USA and Boulder, CO, USA?
You can take a bus from Casper Amtrak Station to Broadway & Regent Dr via Denver Union Station and Union Station Gate B17 in around 7h 2m.
Transport is disrupted due to the Russia-Ukraine war. Read more
- Website
- united.com
Flights from Casper to Denver
- Ave. Duration
- 1h 26m
- When
- Every day
- Estimated price
- $60–390
- Phone
- +1 303-299-6000
- Website
- rtd-denver.com
Bus from Denver Airport Station Gate 8 to Downtown Boulder Station
- Ave. Duration
- 1h 7m
- Frequency
- Hourly
- Estimated price
- $3
- Website
- https://www.rtd-denver.com/
- Adult
- $3
Bus from Union Station Gate B17 to Broadway & Regent Dr
- Ave. Duration
- 45 min
- Frequency
- Every 30 minutes
- Estimated price
- $3
- Website
- https://www.rtd-denver.com/
- Adult
- $3
- Phone
- +1-877-779-2999
- tony@expressarrow.com
- Website
- expressarrow.com
Bus from Casper Amtrak Station to Wheatland Amtrak Bus Stop
- Ave. Duration
- 1h 45m
- Frequency
- 4 times a week
- Estimated price
- $50–60
- Website
- https://expressarrow.com
Bus from Wheatland Amtrak Bus Stop to Cheyenne, WY
- Ave. Duration
- 1h 10m
- Frequency
- 4 times a week
- Estimated price
- $40–50
- Website
- https://expressarrow.com
Bus from Casper Amtrak Station to Denver Union Station
- Ave. Duration
- 6h 5m
- Frequency
- 4 times a week
- Estimated price
- $80–95
- Website
- https://expressarrow.com
Rome2Rio's guide to Greyhound USA
Contact Details
- Phone
- +1 214-849-8100
- ifsr@greyhound.com
- Website
- greyhound.com
Bus from Cheyenne to Harmony Transfer Centre
- Ave. Duration
- 40 min
- Frequency
- Once daily
- Estimated price
- $23–55
- Website
- https://www.greyhound.com/
Want to know more about travelling around United States
Rome2Rio's Travel Guide series provide vital information for the global traveller. Filled with useful and timely travel information, the guides answer all the hard questions - such as 'How do I buy a ticket?', 'Should I book online before I travel? ', 'How much should I expect to pay?', 'Do the trains and buses have Wifi?' - to help you get the most out of your next trip.
Related travel guides
Travelling to the US: What do I need to know?
Read the travel guide
Need to know: Greyhound
Read the travel guide




