There are 6 ways to get from Thermopolis to Boulder by taxi, plane, bus, bus (Greyhound), 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.
Taxi to Riverton Regional Airport, fly, bus
best- Take the taxi from Thermopolis to Riverton Regional Airport (RIW)
- Fly from Riverton Regional Airport (RIW) to Denver (DEN)RIW - DEN
- Take the bus from Denver Airport Station Gate 8 to Downtown Boulder Station
4h 23m$88–452Drive 397.4 mi
cheapest- Drive from Thermopolis to Boulder397.4 mi
7h 4m$73–105Bus
- Take the bus from Thermopolis, WY to Cheyenne, WY
- Take the bus from Cheyenne to Denver Union Station
- Take the bus from Union Station Gate B17 to Broadway & Regent DrFf1 / ...
9h 21m$118–170Bus to Yellowstone Regional Airport, fly, bus
- Take the bus from Thermopolis, WY to Cody, WY
- Fly from Yellowstone Regional Airport (COD) to Denver (DEN)COD - DEN
- Take the bus from Denver Airport Station Gate 8 to Downtown Boulder Station
6h 40m$147–548Bus to Casper, fly, bus
- Take the bus from Thermopolis, WY to Casper Amtrak Station
- Fly from Casper (CPR) to Denver (DEN)CPR - DEN
- Take the bus from Denver Airport Station Gate 8 to Downtown Boulder Station
6h 50m$130–505Bus via Casper
- Take the bus from Thermopolis, WY to Casper Amtrak Station
- Take the bus from Casper Amtrak Station to Denver Union Station
- Take the bus from Union Station Gate B17 to Downtown Boulder StationFf1 / ...
10h 47m$143–175
Riverton Regional Airport (RIW) to Denver (DEN) flights
Questions & Answers
The cheapest way to get from Thermopolis to Boulder is to drive which costs $70 - $110 and takes 7h 4m.
The fastest way to get from Thermopolis to Boulder is to taxi and fly and bus which takes 4h 23m and costs $85 - $460.
The distance between Thermopolis and Boulder is 403 miles. The road distance is 399.7 miles.
The best way to get from Thermopolis to Boulder without a car is to bus which takes 9h 21m and costs $110 - $170.
It takes approximately 4h 23m to get from Thermopolis to Boulder, including transfers.
Yes, the driving distance between Thermopolis to Boulder is 400 miles. It takes approximately 7h 4m to drive from Thermopolis to Boulder.
There are 155+ hotels available in Boulder.
What companies run services between Thermopolis, WY, USA and Boulder, CO, USA?
You can take a vehicle from Thermopolis to Broadway & Regent Dr via Thermopolis, WY, Cheyenne, Denver Union Station, and Union Station Gate B17 in around 9h 21m.
Transport is disrupted due to the Russia-Ukraine war. Read more
- Website
- united.com
Flights from Riverton Regional Airport to Denver
- Ave. Duration
- 1h 24m
- When
- Every day
- Estimated price
- $60–420
Flights from Yellowstone Regional Airport to Denver
- Ave. Duration
- 1h 45m
- When
- Every day
- Estimated price
- $70–450
Flights from Casper to Denver
- Ave. Duration
- 1h 26m
- When
- Every day
- Estimated price
- $55–410
- 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
Bus from Union Station Gate B17 to Downtown Boulder Station
- Ave. Duration
- 56 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 Thermopolis, WY to Cheyenne, WY
- Ave. Duration
- 5h 30m
- Frequency
- Once a week
- Estimated price
- $85–100
- Website
- https://expressarrow.com
Bus from Cheyenne to Denver Union Station
- Ave. Duration
- 2h 20m
- Frequency
- 4 times a week
- Estimated price
- $45–55
- Website
- https://expressarrow.com
Bus from Thermopolis, WY to Cody, WY
- Ave. Duration
- 2h 10m
- Frequency
- Once a week
- Estimated price
- $50–65
- Website
- https://expressarrow.com
Bus from Thermopolis, WY to Casper Amtrak Station
- Ave. Duration
- 2h 30m
- Frequency
- Once a week
- Estimated price
- $50–65
- 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 Denver Union Station
- Ave. Duration
- 1h 50m
- Frequency
- Once daily
- Estimated price
- $20–50
- Website
- https://www.greyhound.com/
- Ave. Duration
- 1h 25m
- Estimated price
- $24–30
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