There are 7 ways to get from San Francisco to Boulder by plane, bus, train 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.

Recommended option

Fly from San Francisco, bus  •  5 h 33 min

  1. Fly from San Francisco (SFO) to Denver (DEN) SFO - DEN
  2. Take the bus from Denver Airport Station Gate 8 to Downtown Boulder Station

$80 - $267

6 alternative options

Fly from Oakland, bus  •  5 h 39 min

  1. Fly from Oakland (OAK) to Denver (DEN) OAK - DEN
  2. Take the bus from Denver Airport Station Gate 8 to Downtown Boulder Station

$119 - $310

Caltrain to San Jose, fly, bus  •  6 h 56 min

  1. Take the Caltrain from San Francisco Caltrain to Santa Clara Caltrain
  2. Fly from San Jose (SJC) to Denver (DEN) SJC - DEN
  3. Take the bus from Denver Airport Station Gate 8 to Downtown Boulder Station

$120 - $332

Train to Santa Rosa, fly, bus  •  8 h 9 min

  1. Take the train from San Rafael to Sonoma County Airport
  2. Fly from Santa Rosa (STS) to Denver (DEN) STS - DEN
  3. Take the bus from Denver Airport Station Gate 8 to Downtown Boulder Station

$233 - $1,027

Bus  •  29 h 32 min

  1. Take the bus from San Francisco to Reno FlixBus
  2. Take the bus from Reno, Nv to Denver, Co 1314

$112 - $283

Train, drive  •  32 h 45 min

  1. Take the train from Richmond Transit Station to Granby Amtrak California Zephyr
  2. Drive from Granby Amtrak to Boulder

$173 - $510

Drive  •  19 h 9 min

  1. Drive from San Francisco to Boulder 1266.5 miles

$120 - $180

Questions & Answers

No, there is no direct bus from San Francisco to Boulder. However, there are services departing from San Francisco and arriving at 28th St & Arapahoe Ave via Reno, Nv and 18th St & California St. The journey, including transfers, takes approximately 29 h 32 min.

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The distance between San Francisco and Boulder is 939 miles. The road distance is 1266.5 miles.

Get driving directions

The best way to get from San Francisco to Boulder without a car is to bus which takes 29 h 32 min and costs .

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It takes approximately 5 h 33 min to get from San Francisco to Boulder, including transfers.

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San Francisco to Boulder bus services, operated by Flixbus USA, depart from San Francisco station.

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The quickest flight from San Francisco Airport to Denver Airport is the direct flight which takes 2 h 23 min.

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San Francisco to Boulder bus services, operated by Greyhound USA, arrive at Denver, Co station.

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Boulder is 1 h ahead of San Francisco. It is currently 3:59 AM in San Francisco and 4:59 AM in Boulder.

Yes, the driving distance between San Francisco to Boulder is 1266 miles. It takes approximately 19 h 9 min to drive from San Francisco to Boulder.

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Frontier Airlines, Southwest Airlines and United Airlines offer flights from San Francisco Airport to Denver Airport.

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Map of how to get from San Francisco to Boulder.
Launch map view
  • Distance: 939 miles
  • Duration: 5 h 33 min

What companies run services between San Francisco, CA, USA and Boulder, CO, USA?

You can take a bus from San Francisco to Boulder via Reno, Reno, Nv, Denver, Co, and 18th St & California St in around 29 h 32 min.

Airlines
Southwest Airlines
Website
southwest.com
Flights from San Francisco to Denver
Ave. Duration
2 h 33 min
When
Every day
Estimated price
$110 - $600
Flights from Oakland to Denver
Ave. Duration
2 h 26 min
When
Every day
Estimated price
$140 - $650
Flights from Oakland to Denver via Albuquerque
Ave. Duration
4 h 15 min
When
Monday to Friday
Estimated price
$140 - $650
Flights from Oakland to Denver via Burbank
Ave. Duration
4 h 15 min
When
Saturday
Estimated price
$140 - $650
Flights from Oakland to Denver via Las Vegas
Ave. Duration
4 h 20 min
When
Saturday
Estimated price
$140 - $650
Flights from San Jose to Denver
Ave. Duration
2 h 26 min
When
Every day
Estimated price
$180 - $750
Flights from San Jose to Denver via Las Vegas
Ave. Duration
4 h 10 min
When
Every day
Estimated price
$180 - $750
Flights from San Jose to Denver via Reno
Ave. Duration
4 h 5 min
When
Monday to Friday
Estimated price
$180 - $750
Flights from San Jose to Denver via Phoenix
Ave. Duration
4 h 20 min
When
Sunday
Estimated price
$180 - $750
United Airlines
Website
united.com
Flights from San Francisco to Denver
Ave. Duration
2 h 31 min
When
Every day
Estimated price
$100 - $650
Flights from San Jose to Denver
Ave. Duration
2 h 27 min
When
Every day
Estimated price
$170 - $850
Flights from Santa Rosa to Denver
Ave. Duration
2 h 42 min
When
Every day
Estimated price
$210 - $1,000
Flights from Santa Rosa to Denver via San Francisco
Ave. Duration
5 h 22 min
When
Every day
Estimated price
$220 - $1,000
Frontier Airlines
Website
flyfrontier.com
Flights from San Francisco to Denver
Ave. Duration
2 h 33 min
When
Every day
Estimated price
$90 - $550
Flights from San Jose to Denver
Ave. Duration
2 h 44 min
When
Every day
Estimated price
$95 - $420
Delta
Website
delta.com
Flights from Oakland to Denver via Salt Lake City
Ave. Duration
4 h 13 min
When
Monday, Tuesday, Wednesday, Thursday, Friday and Sunday
Estimated price
$200 - $750
Flights from San Jose to Denver via Salt Lake City
Ave. Duration
4 h 23 min
When
Monday, Tuesday, Wednesday, Thursday, Friday and Sunday
Estimated price
$200 - $650
Train operators
Caltrain
Phone
+1 650-508-6200
Website
caltrain.com
Train from San Francisco Caltrain to Santa Clara Caltrain
Ave. Duration
1 h 28 min
Frequency
Hourly
Estimated price
$9 - $12
Schedules at
caltrain.com
SMART
Phone
+1 707-794-3330
Train from San Rafael to Sonoma County Airport
Ave. Duration
1 h 7 min
Frequency
Hourly
Estimated price
$10 - $13
Schedules at
sonomamarintrain.org
Amtrak

Amtrak is a rail service that connects the US and three Canadian provinces. Covering 21,000 route miles (34,000km) Amtrak operates more than 300 trains daily. These medium and long distance intercity services operate at speeds of up to 240km/h, to more than 500 destinations. Founded in 1971, it is based in Washington, D.C. and offers four classes of travel: First Class, Sleeper, Business and Coach. Ticket fares are divided into five subclasses: Saver, Value, Flexible, Business and Premium. Amtrak trains are known for their wide seats, plug-in power, big windows and storage capabilities.

Rome2rio's guide to Amtrak
Contact Details
Phone
+1 1-800-872-7245
Website
amtrak.com
Train from Richmond Transit Station to Granby Amtrak
Ave. Duration
28 h 50 min
Frequency
Once daily
Estimated price
$160 - $490
Website
amtrak.com
Coach Seat
$160 - $250
Flexi Coach Seat
$290 - $420
Business Coach Seat
$350 - $490
Room
$650 - $900
Bus operators
Regional Transportation District
Phone
+1 303-299-6000
Website
rtd-denver.com
Bus from Denver Airport Station Gate 8 to Downtown Boulder Station
Ave. Duration
1 h 8 min
Frequency
Hourly
Estimated price
$9
Website
rtd-denver.com
Flixbus USA
Phone
(855) 626-8585
Website
flixbus.com
Bus from San Francisco to Reno
Ave. Duration
4 h 20 min
Frequency
3 times a day
Estimated price
$9 - $18
Schedules at
flixbus.com
Greyhound USA

Greyhound is a leading bus company based in Dallas, Texas, serving over 3800 destinations across North America, Mexico and Canada. Greyhound carries around 18 million passengers a year who travel 5.4 billion miles (8.6 billion km) a year on their fleet of around 1700 vehicles. For travel flexibility, you can board or get off a Greyhound bus at official Greyhound stations, partner stations and curbside stops. There are around 230 Greyhound stations across the US where you can both catch your bus and buy tickets, that are also available on the official website and via the mobile app.

Rome2rio's guide to Greyhound USA
Contact Details
Phone
+1 214-849-8100/1-800-231-2222
Email
ifsr@greyhound.com
Website
greyhound.com
Bus from Reno, Nv to Denver, Co
Ave. Duration
23 h 15 min
Frequency
Hourly
Estimated price
$100 - $260
Website
greyhound.com
Economy
$100 - $170
Flexible
$190 - $260

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There are 66+ hotels available in Boulder. Prices start at $107 USD per night.

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The best way to get from San Francisco to San Francisco Airport is to BART which takes 28 min and costs .

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