Bus Tickets from Boston (MA), US to San Francisco (CA), US

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TodayMay 22
TomorrowMay 23
SatMay 24
from $152
SunMay 25
MonMay 26
TueMay 27
WedMay 28
ThuMay 29

Cheap buses leaving Saturday

One passenger / one way

  • This trip is recommended because it is: Cheapest
    Departure time: May 24 at
    Departure city: Boston
    Departure location: 151 Steel Pl, Cambridge
    Arrival time: May 28 at
    Destination city: San Francisco
    Destination location: 409 Townsend St, SF
    Operated by: FlixBus + Greyhound Lines, Inc.
    FlixBus + Greyhound Lines, Inc.
    Vehicle: BusDuration:
  • This trip is recommended because it is: Fastest
    Departure time: May 24 at
    Departure city: Boston
    Departure location: Boston (South Station)
    Arrival time: May 27 at
    Destination city: San Francisco
    Destination location: San Francisco Bus Station
    Operated by: Greyhound Lines, Inc.Greyhound Lines, Inc.
    Vehicle: BusDuration:
  • Departure time: May 24 at
    Departure city: Boston
    Departure location: Boston (South Station)
    Arrival time: May 27 at
    Destination city: San Francisco
    Destination location: 409 Townsend St, SF
    Operated by: Greyhound Lines, Inc. + FlixBus
    Greyhound Lines, Inc. + FlixBus
    Vehicle: BusDuration:
  • Departure time: May 24 at
    Departure city: Boston
    Departure location: Boston (South Station)
    Arrival time: May 27 at
    Destination city: San Francisco
    Destination location: San Francisco Bus Station
    Operated by: Greyhound Lines, Inc.Greyhound Lines, Inc.
    Vehicle: BusDuration:
  • Departure time: May 24 at
    Departure city: Boston
    Departure location: Boston (South Station)
    Arrival time: May 27 at
    Destination city: San Francisco
    Destination location: 409 Townsend St, SF
    Operated by: Greyhound Lines, Inc. + FlixBus
    Greyhound Lines, Inc. + FlixBus
    Vehicle: BusDuration:

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Compare 2 ways to go from Boston to San Francisco.

Bus
Average Price$116 - $669Average Duration3d 13h
108kg CO₂e5 out of 5 stars
CheapestMost eco-friendly
Train
Average Price$233 - $2,811Average Duration3d 7h
394kg CO₂e1 out of 5 stars
Fastest
busbud logoBusbud recommends taking the train from Boston to San Francisco

Among the sustainable travel choices, the train stands out as the good way to reach San Francisco. The journey takes about 3 days, 7 hours 55 minutes and with fares starting at just $233, it presents an excellent value for a comfortable ride.

3train per day
3d 7hAverage Duration
$233Cheapest ticket
394kgCO₂ emissions

Bus Boston to San Francisco: Trip Overview

Average ticket price$202
Average bus trip duration3d 13h
Number of daily buses11
Earliest bus departure1:30am
Distance2686 miles (4332 km)
Latest bus departure11:00pm

Boston to San Francisco Bus

Busbud helps you find a bus from Boston to San Francisco. Get the best fare and schedule, book a round trip ticket or find buses with WiFi and electrical outlets.

We make sure you can find a bus service from Boston to San Francisco from the most reliable bus companies operating this trip.

Whether it is cheap bus tickets or more luxurious buses going to San Francisco from Boston, we help you find what you're looking for based on how much of a budget you have.

Frequently asked questions for your trip Boston (MA), US - San Francisco (CA), US

Find cheapest prices for buses

Price is for a one-way ticket for one passenger and based on past searches.

Best price found
05/20
No data
05/21
$534
Today
No data
05/23
No data
05/24
$177
05/25
No data
05/26
No data
05/27
$148
busbud logoThe cheapest trip from Boston to San Francisco was searched and found on May 27, 2025 with a price of $148

To save money and be sure you have the best seat, it's a good idea to buy your bus tickets from Boston to San Francisco, as early as possible.

You can expect to pay from $148 to $541 for a bus ticket from Boston to San Francisco based on the last 2 days. You can expect to find the cheapest price for the trip at $148 which is on 2025-05-27.

About Bus Travel

Bus Travel Tips

Make friends with the driver. They usually know a lot about your destination and may even recommend which side of the bus to sit on to get the best views on the road between Boston and San Francisco!

Start sightseeing the minute your bus leaves the station. If you're on the night bus from Boston to San Francisco, get comfy and count the stars.

Buses are energy-efficient. Carrying a passenger over 100 kms by coach only takes 0.6-0.9 liters of gas. Compare that to the 2.6 liters required by high-speed train, 6.6 liters by airplane and 7.6 liters by gas-powered car, and it's clear that the bus is a more environmentally-conscious option for your bus transportation from Boston to San Francisco.

Make a music playlist for your bus ride from Boston to San Francisco, and enjoy the scenery to tunes from your own personal soundtrack.

Did you know?

Did you know that 80% of the buses in North America are equipped with WiFi and power outlets ? And 60% of bus travelers have used their electronic device on board during 2014.

The bus driver with the longest career in the world drove more than 2,000,000 miles and is a happy World Record holder.

The average number of passengers on a coach bus is 32 meaning that a bus could replace a minimum of at least 30 cars!

What's the cheapest way to go from Boston to San Francisco?

busbud logoThe bus is the cheapest travel choice for this destination

Will you be returning to Boston by bus?

Bus from Boston to San Francisco

You can also go to San Francisco by train

Train from Boston to San Francisco

Why choose Busbud?

The Best Way To Book Bus and Train Tickets

Busbud makes bus travel easy. We help travelers find a bus, plot routes, and book intercity bus tickets all over the world. With Busbud, wherever you go, you have a worldwide bus station within reach and available in your own language and currency. Busbud partners with safe and reliable bus companies throughout the world such as Greyhound, Eurolines, ALSA, OUIBUS (BlaBlaBus), National Express and many others so you can buy tickets without a worry.

People from around the world trust Busbud

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