Find coaches from Boston, MA, US to San Diego, CA, US

Find affordable coach tickets from Boston, MA, US to San Diego, CA, US with flexible options. Book your journey now

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Today28 Aug
from US$172
Tomorrow29 Aug
Sat30 Aug
Sun31 Aug
Mon1 Sept
Tue2 Sept
Wed3 Sept
Thu4 Sept

Cheap buses leaving today

One passenger / one way

  • This trip is recommended because it is the: Cheapest
    Departure time: 28 August at
    Departure city: Boston
    Departure location: Brookline
    Arrival time: 1 September at
    Destination city: San Diego
    Destination location: 5716 Hardy Ave
    Operated by: FlixBus + Greyhound Lines, Inc.
    FlixBus + Greyhound Lines, Inc.
    Vehicle: BusDuration:
  • This trip is recommended because it is the: Fastest
    Departure time: 28 August at
    Departure city: Boston
    Departure location: Boston (South Station)
    Arrival time: 31 August at
    Destination city: San Diego
    Destination location: UCSD Health La Jolla Station
    Operated by: Greyhound Lines, Inc. + FlixBus
    Greyhound Lines, Inc. + FlixBus
    Vehicle: BusDuration:
  • Departure time: 28 August at
    Departure city: Boston
    Departure location: Boston (South Station)
    Arrival time: 31 August at
    Destination city: San Diego
    Destination location: San Diego (Old Town-FlixBus)
    Operated by: Greyhound Lines, Inc. + FlixBus
    Greyhound Lines, Inc. + FlixBus
    Vehicle: BusDuration:
  • Departure time: 28 August at
    Departure city: Boston
    Departure location: Boston (South Station)
    Arrival time: 31 August at
    Destination city: San Diego
    Destination location: Greyhound Bus Stop
    Operated by: Greyhound Lines, Inc.Greyhound Lines, Inc.
    Vehicle: BusDuration:
  • Departure time: 28 August at
    Departure city: Boston
    Departure location: Boston (South Station)
    Arrival time: 31 August at
    Destination city: San Diego
    Destination location: UCSD Health La Jolla Station
    Operated by: Greyhound Lines, Inc. + FlixBus
    Greyhound Lines, Inc. + FlixBus
    Vehicle: BusDuration:

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Compare 2 ways to travel from Boston to San Diego

Average priceUS$169 - US$776Average duration3d 11h
104kg CO₂e5 out of 5 stars
CheapestMost eco-friendly
Average priceUS$322 - US$563Average duration3d 3h
378kg CO₂e1 out of 5 stars
Fastest
busbud logoBusbud recommends taking the train from Boston to San Diego

Among the sustainable travel choices, the train stands out as a good way to reach San Diego. The journey takes about 3 days, 3 hours 3 minutes and with fares starting at just US$322, it presents an excellent value for a comfortable ride.

4train per day
3d 3hAverage duration
US$322Cheapest ticket
378kgCO₂ emissions

Bus Boston, MA, US to San Diego, CA, US: Trip Overview

Average ticket priceUS$435
Average bus trip duration3d 11h
Number of daily buses26
Earliest bus departure01:30
Distance2568 miles
Latest bus departure20:55

Boston to San Diego Bus

With Busbud, comparing and booking tickets for a bus from Boston to San Diego is a breeze. Browse through an extensive selection of bus fares and bus schedules to find the best deals.

Bus service from Boston to San Diego will be provided by the most trusted bus companies.

Discover how much the bus trip from Boston to San Diego will cost you. Use our filters and sorting features to find the cheapest bus tickets or luxury buses.

Frequently asked questions on the trip Boston, MA, US - San Diego, CA, US

  1. What's the distance between Boston and San Diego by coach?

    The distance between Boston and San Diego by coach is approximately 2576 miles (4155 km).

  2. What is the best way to go from Boston to San Diego without flying?

    You can choose the coach to travel this route. Choosing the coach guarantees a comfortable and sustainable travel experience, allowing you to admire the views on your way to your destination. You might also find carpooling options to travel between the two cities.

Find cheapest prices for buses

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

Best price found
26/08
US$423
27/08
US$438
Today
US$408
29/08
No data
30/08
No data
31/08
No data
01/09
No data
02/09
No data
busbud logoThe cheapest trip from Boston, MA, US to San Diego, CA, US was searched and found on 28 Aug 2025 with a price of US$408

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

About Bus Travel

Bus Travel Tips

Meet and talk to locals at the bus stations while travelling from Boston to San Diego.There is no better way to get inside travel information while exploring a new city than to go straight to its people.

Much more than a mere vehicle taking you from Boston to San Diego, riding the bus will expose you to some of the most stunning panoramas while enroute to your final bus stop.

Buses have the smallest carbon footprint of all motorized transport modes. A bus going from Boston to San Diego will emit half the CO2 emitted by a train, and radically less than a car or an airplane.

Create your own real life musical score by curating a personalized bus travel playlist - the perfect accompaniment to your bus ride from Boston to San Diego.

Did you know?

Did you know some bus companies in Germany offer to their passenger low-costs snacks and regional beer based on their destination? Prosit!

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

It takes 27 hours to go by bus from Lima to Cusco, one of the craziest bus trips on the world. This route is used daily by locals and backpackers.

What's the cheapest way to go from Boston, MA, US to San Diego, CA, US?

busbud logoThe bus is the cheapest travel choice for this destination

Will you be returning to Boston, MA, US by bus?

Bus from San Diego, CA, US to Boston, MA, US

You can also go to San Diego, CA, US by train

Train from Boston, MA, US to San Diego, CA, US

Why choose Busbud?

The Best Way To Book Bus and Train Tickets

Busbud helps you easily search, compare and book intercity bus tickets on a worlwide scale with our comprehensive list of bus routes and schedules. Use Busbud to book your trip online, in your own language and currency, wherever you are. 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.

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