Which bus from Boston, MA to San Diego is the cheapest?

Compare all bus companies and find the best price: Bus tickets from $151
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Compare all timetables for the bus from Boston, MA to San Diego

Here is a selection of the cheapest bus trips from the schedule from Boston, MA to San Diego from various bus operators like FlixBus or Greyhound US for the next days.

today
tomorrow
$225
Wednesday
Thursday
Friday
Saturday
$222
Sunday

Cheapest bus trips tomorrow

Mode of Transport BertCompanyCountOneCompanyName Duration Departure time From Departure Arrival time To Destination Logo Seat classes Price
Greyhound US 73h 45m 7:35 PM Boston, MA South Station 6:20 PM San Diego San Ysidro Transit Center  Economy $225
FlixBus 88h 40m 8:55 PM Boston, MA Allston 10:35 AM San Diego San Ysidro Transit Center  Economy $232
  • Did you know that if you travel from Boston, MA to San Diego via Cambridge, MA, you can save more than $1? You will find the corresponding connections below.
    • FlixBus
      Save more than 1%
      82h 20m
      Boston, MA
      3 mi
      11:00 AM
      Cambridge, MA
      Alewife Station
      6:20 PM
      San Diego
      San Ysidro Transit Center
      0 mi
      FlixBus
      Economy
      $224

Cheapest bus trips Saturday

Mode of Transport BertCompanyCountOneCompanyName Duration Departure time From Departure Arrival time To Destination Logo Seat classes Price
FlixBus 85h 50m 1:30 AM Boston, MA Allston 12:20 PM San Diego San Ysidro Transit Center  Economy $222
FlixBus 90h 25m 8:55 PM Boston, MA Allston 12:20 PM San Diego San Ysidro Transit Center  Economy $222
Greyhound US 73h 45m 7:35 PM Boston, MA South Station 6:20 PM San Diego San Ysidro Transit Center  Economy $223
  • Did you know that if you travel from Boston, MA to San Diego via Cambridge, MA, you can save more than $0? You will find the corresponding connections below.
    • FlixBus
      Save more than 1%
      82h 20m
      Boston, MA
      3 mi
      11:00 AM
      Cambridge, MA
      Alewife Station
      6:20 PM
      San Diego
      San Ysidro Transit Center
      0 mi
      FlixBus
      Economy
      $222

Best Price Offer: The price for the cheapest bus from Boston, MA to San Diego is $151 on 1/27/2026. Flexible travelers save on ticket prices.


Frequency of bus connections between Boston, MA and San Diego

See here how frequent the connections between Boston, MA and San Diego are, during different times and days of the week.
Saturday is the busiest day, with more than 3 daily buses from Boston, MA to San Diego. Tuesday has instead the fewest connections, with only 2 daily coaches between Boston, MA and San Diego.
The busiest time of the day is the Evening, with 4 buses from Boston, MA to San Diego, while Night sees the fewest connections between Boston, MA and San Diego, with 1 offers.

Facts about the bus from Boston, MA to San Diego

Compare all providers like FlixBus and Greyhound US that travel 2 times every day by bus from Boston, MA to San Diego in one click! Book your bus ticket from Boston, MA to San Diego starting from $151!

Cheapest Bus $151
Fastest Bus 70h 45m
Earliest Bus 7:35 PM
Latest Bus 8:55 PM
Daily Bus Routes 2 Ø
Distance 2,579.0 miles
Bus Companies FlixBus and Greyhound US

Cheapest bus connections from Boston, MA to San Diego

Every day, 2 buses from 2 bus companies leave Boston, MA for San Diego: in the table below, you will find the cheapest prices for a bus ticket for this route, starting from 01/19/2026 and for the following days.

Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Sunday 01/18
Monday 01/19
Tuesday 01/20
$225
Wednesday 01/21
Thursday 01/22
Friday 01/23
Saturday 01/24
$222
Sunday 01/25
Monday 01/26
$176
Tuesday 01/27
$151
Wednesday 01/28
Thursday 01/29
Friday 01/30
Saturday 01/31
Sunday 02/01
Monday 02/02
Tuesday 02/03
Wednesday 02/04
Thursday 02/05
Friday 02/06
Saturday 02/07
Sunday 02/08
Monday 02/09
Tuesday 02/10
Wednesday 02/11
Thursday 02/12
Friday 02/13
Saturday 02/14

The cheapest time to travel from Boston, MA to San Diego

See here on which day and which time of the day you can find the cheapest bus ticket from Boston, MA to San Diego, for the next 30 days.
With a price starting from $151, Tuesday is the cheapest day for a bus from Boston, MA to San Diego. Saturday instead is the most expensive day with prices starting from $222.
Night is the cheapest day time for bus tickets from Boston, MA to San Diego, with $151. Evening is the most expensive time of the day with prices starting from $222.

How to save money travelling from Boston, MA to San Diego

Travel can be expensive, but it doesn't need to be! Do you want to avoid paying a terrible price for your trip? Then follow these quick steps to save money:

Book the ticket from Boston, MA to San Diego in advance! The earlier you book, the cheaper usually the price is. Also, you will be sure to have a place on the bus from Boston, MA to San Diego, compared instead if you buy it at the last moment, or directly at the station.

If you can, avoid travelling at peak times. Instead of weekend, try travelling during the week. Travelling in the evening or at night it’s also cheaper, and later buses from Boston, MA to San Diego are also emptier.

Beloved bus companies from Boston, MA to San Diego

These are the most booked bus companies between Boston, MA to San Diego from our users.

Greyhound US from Boston, MA to San Diego

Greyhound US

Here you will find the key facts about the Greyhound US bus route Boston, MA to San Diego:

Cheapest Price $223
Fastest Bus 70h 45m
Earliest Bus 7:35 PM
Last Bus 7:35 PM
Daily Connections 1 Ø
Found on 1/16/2026

All bus stations and stops in Boston, MA and San Diego

In the map below, you can see where to find all bus stations in Boston, MA and San Diego.

Service and Comfort on the bus from Boston, MA to San Diego

Want to know which seat classes are available on the buses from Boston, MA to San Diego? Or which bus companies serve the route Boston, MA to San Diego? Below you will find answers to your questions.

FAQs about the Boston, MA to San Diego bus

How much does a Boston, MA San Diego bus trip cost?

This depends on, among other things, the day and time of travel. The cheapest trip is available from $151 and takes 82h 50m to reach San Diego. Compare offers to save money!

How much could I save by comparing buses from Boston, MA to San Diego?

This route is offered by 2 companies with a range of ticket prices between $151 and $232. Thus, we recommend booking your ticket as early as possible to make sure you get the cheapest bus ticket to San Diego.

On average, how many connections are available from Boston, MA to San Diego each day?

Every day, the Boston, MA to San Diego bus route is served by approximately 2 connections. With our search, you can compare bus times to find the perfect trip.

How long does a bus journey from Boston, MA to San Diego take?

The fastest bus from Boston, MA to San Diego is offered by Greyhound US and takes 70h 45m. Bus tickets for this connection cost $225. In this context, bear in mind that the journey can take longer due to traffic.

What time is the first bus from Boston, MA to San Diego?

The earliest bus arriving in San Diego from Boston, MA starts at 7:35 PM. However, information regarding departure times may differ on weekends and holidays. Simply use our search to find exact times for your planned travel date.

What time is the last bus from Boston, MA to San Diego?

The latest bus trip departing from Boston, MA for San Diego starts at 8:55 PM. Please note that departure times may differ on weekends and holidays. So just use our search to find the exact times for your planned travel date.

Which bus companies operate the Boston, MA San Diego route?

When traveling by bus from Boston, MA to San Diego, passengers can travel with FlixBus and Greyhound US. With our search, you can compare all available bus tickets to book the one that works for you.

Is there a direct bus between Boston, MA and San Diego?

You can check all the direct connections between Boston, MA and San Diego by using our search and looking at the Changes section in our filters. These are some of the companies which offer a direct bus: FlixBus and Greyhound US.

What can I take with me on the Boston, MA to San Diego bus route?

Depending on which provider you travel with, what you're allowed to bring with you can vary. Generally, you can take a suitcase and hand luggage with you on the Boston, MA San Diego bus route free of charge. Simply use our search to find a bus that is best suited to your needs for your planned travel date.

What equipment is available for the Boston, MA San Diego bus route?

The equipment on board differs depending on the provider. However, many long-distance buses have WiFi so you can tell your friends your exact location during the journey. To make traveling even more pleasant, air conditioning systems provide ventilation. It is best to use our search to get precise information about the equipment of the bus from Boston, MA to San Diego on your planned travel date.

How does CheckMyBus find the best bus deals from Boston, MA to San Diego?

CheckMyBus collaborates directly with companies around the world to provide you with the best options when searching for a trip. We retrieve their first-hand data to show you real-time prices, schedules, and seat availability for 2 daily trips between Boston, MA and San Diego. With the most up-to-date information from verified sources, you can fairly compare all available options and choose the trip that suits you best.

How does CheckMyBus technology work for trips from Boston, MA to San Diego?

Prices and availability for 2 trips between Boston, MA and San Diego change constantly. To provide you with the most up-to-date information, we connect directly with bus operators, Online Travel Agencies (OTAs), and Global Distribution Systems (GDS) via real-time interfaces (APIs). The data collected from these sources undergoes strict quality checks, is processed within our infrastructure, and is then presented to you on our search results pages. Visit our About Us page to learn more.

Available seat classes which are offered on the bus route Boston, MA to San Diego

Economy
Economy

The cheapest option available for your ticket, it usually comes with reclinable seats and AC.

More bus routes to Boston, MA and to San Diego

Here’s an overview of the most popular bus routes to Boston, MA and to San Diego. Simply click on the connection of your choice, and you will find all the details about your bus route!
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Popular Airport Shuttles to Boston, MA and to San Diego
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