Rome2Rio

How to get fromSanta Rosa to Boulderby plane, bus, bus (Amtrak, Greyhound), train, car or subway

Find Transport to Boulder

See all options

There are 7 ways to get from Santa Rosa to Boulder by plane, bus, bus (Amtrak, Greyhound), train, car, or subway

Select an option below to see step-by-step directions and to compare ticket prices and travel times in Rome2Rio's travel planner.

  1. Fly from Sonoma County Airport, bus

    best
    1. Fly from Sonoma County Airport (STS) to Denver (DEN)planeSTS - DEN
    2. Take the bus from Denver Airport Station Gate 8 to Downtown Boulder Stationbus
    5h 27m
    $135–655

  2. Bus to San Francisco International Airport, fly, bus

    cheapest
    1. Take the bus from Santa Rosa to San Francisco Airportbus
    2. Fly from San Francisco International Airport (SFO) to Denver (DEN)planeSFO - DEN
    3. Take the bus from Denver Airport Station Gate 8 to Downtown Boulder Stationbus
    7h 11m
    $134–614

  3. Bus

    1. Take the bus from Santa Rosa Amtrak Bus Stop to Vallejobus
    2. Take the bus from Vallejo Transit Center to Sparks Transit Centerbus
    3. Take the bus from Sparks Transit Center to Denver Union Stationbus
    4. Take the bus from Union Station Gate B17 to Broadway & Euclid AvebusFf1 / ...
    30h 4m

  4. Bus, train

    1. Take the bus from Santa Rosa Amtrak Bus Stop to Martinezbus
    2. Take the train from Martinez to Denvertrain
    3. Take the bus from Union Station Gate B17 to Downtown Boulder StationbusFf1 / ...
    36h 8m

  5. Drive 1,229.2 mi

    1. Drive from Santa Rosa to Bouldercar1,229.2 mi
    19h 25m
    $225–324

  6. Train, bus to Oakland International Airport, fly, bus

    1. Take the train from SMART Santa Rosa Downtown to SMART San Rafaeltrain
    2. Take the bus from San Rafael to Oakland International Airportbus
    3. Fly from Oakland International Airport (OAK) to Denver (DEN)planeOAK - DEN
    4. Take the bus from Denver Airport Station Gate 8 to Downtown Boulder Stationbus
    8h 3m
    $145–664

  7. Train, BART to Norman Y. Mineta San José International Airport, fly, bus

    1. Take the train from SMART Santa Rosa Downtown to SMART San Rafaeltrain
    2. Take the subway from El Cerrito Del Norte to Milpitassubway
    3. Fly from Norman Y. Mineta San José International Airport (SJC) to Denver (DEN)planeSJC - DEN
    4. Take the bus from Denver Airport Station Gate 8 to Downtown Boulder Stationbus
    9h 24m
    $149–681

Sonoma County Airport (STS) to Denver (DEN) flights

Calendar8Weekly Planes
Duration4h 22mAverage Duration
Ticket$121Cheapest Price
See schedules

Questions & Answers

What companies run services between Santa Rosa, CA, USA and Boulder, CO, USA?

You can take a bus from Santa Rosa Amtrak Bus Stop to Broadway & Euclid Ave via Vallejo Transit Center, Sparks Transit Center, Denver Union Station, and Union Station Gate B17 in around 30h 4m.

Airlines
Train operators
Bus 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

More Questions & Answers

Trips from Santa Rosa

Trips to Boulder

Popular routes