Rome2Rio

How to get fromBoulder to Thermopolisby bus, plane, taxi, bus (Greyhound) or car

Find Transport to Thermopolis

See all options

There are 6 ways to get from Boulder to Thermopolis by bus, plane, taxi, 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.

  1. Bus, fly to Riverton Regional Airport, taxi

    best
    1. Take the bus from US 36 & Flatiron Station Gate A to Denver Airport Station Gate 6bus
    2. Fly from Denver (DEN) to Riverton Regional Airport (RIW)planeDEN - RIW
    3. Take the taxi from Riverton Regional Airport (RIW) to Thermopolistaxi
    5h 5m
    $80–366

  2. Drive 397.7 mi

    cheapest
    1. Drive from Boulder to Thermopoliscar397.7 mi
    7h 5m
    $73–105

  3. Bus

    1. Take the bus from Broadway & 20th St to Union StationbusFf1 / ...
    2. Take the bus from Denver Union Station to Cheyennebus
    3. Take the bus from Cheyenne, WY to Thermopolis, WYbus
    9h 53m
    $118–171

  4. Bus, fly to Yellowstone Regional Airport

    1. Take the bus from US 36 & Flatiron Station Gate A to Denver Airport Station Gate 6bus
    2. Fly from Denver (DEN) to Yellowstone Regional Airport (COD)planeDEN - COD
    3. Take the bus from Cody, WY to Thermopolis, WYbus
    7h 28m
    $135–452

  5. Bus, fly to Casper

    1. Take the bus from US 36 & Flatiron Station Gate A to Denver Airport Station Gate 6bus
    2. Fly from Denver (DEN) to Casper (CPR)planeDEN - CPR
    3. Take the bus from Casper Amtrak Station to Thermopolis, WYbus
    7h 14m
    $123–419

  6. Bus via Casper

    1. Take the bus from Downtown Boulder Station Gate 1 to Union StationbusFf1 / ...
    2. Take the bus from Denver Union Station to Casper Amtrak Stationbus
    3. Take the bus from Casper Amtrak Station to Thermopolis, WYbus
    11h 18m
    $143–181

Denver (DEN) to Riverton Regional Airport (RIW) flights

Calendar14Weekly Planes
Duration1h 17mAverage Duration
Ticket$51Cheapest Price
See schedules

Questions & Answers

What companies run services between Boulder, CO, USA and Thermopolis, WY, USA?

You can take a bus from Broadway & 20th St to Thermopolis via Denver Union Station, Cheyenne, WY, and Thermopolis, WY in around 9h 53m.

Transport is disrupted due to the Russia-Ukraine war. Read more

Airlines
Bus operators
Other operators

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

Need to know: Greyhound

Read the travel guideNeed to know: Greyhound

Trips from Boulder

Trips to Thermopolis

Popular routes