Which bus from Austin to San Diego is the cheapest?

Compare all bus companies and find the best price: Bus tickets from $123
The Best Deals Save up to 70%
The Most Choices Millions of routes worldwide
Easy and Transparent Compare offers with 1 click

Compare all timetables for the bus from Austin to San Diego

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

today
tomorrow
Tuesday
Wednesday
$140
Thursday
Friday
$138
Saturday
$137

Cheapest bus trips Wednesday

Mode of Transport BertCompanyCountOneCompanyName Duration Departure time From Departure Arrival time To Destination Logo Seat classes Price
Greyhound Lines Mexico 37h 10m 3:30 AM Austin 5119 Eastside Bus Plaza 2:40 PM San Diego San Ysidro Transit Center  Economy $140
Greyhound US 40h 55m 11:45 PM Austin 5119 Eastside Bus Plaza 2:40 PM San Diego San Ysidro Transit Center  Economy $140
Greyhound US 44h 5m 11:45 PM Austin 5119 Eastside Bus Plaza 5:50 PM San Diego San Ysidro Transit Center  Economy $140
Greyhound Lines Mexico 40h 50m 7:55 AM Austin 5119 Eastside Bus Plaza 10:45 PM San Diego San Ysidro Transit Center  Economy $141
FlixBus 40h 40m 7:55 PM Austin 5119 Eastside Bus Plaza 10:35 AM San Diego San Ysidro Transit Center  Economy $141

Cheapest bus trips Friday

Mode of Transport BertCompanyCountOneCompanyName Duration Departure time From Departure Arrival time To Destination Logo Seat classes Price
Greyhound Lines Mexico 37h 10m 3:30 AM Austin 5119 Eastside Bus Plaza 2:40 PM San Diego San Ysidro Transit Center  Economy $138
Greyhound Lines Mexico 39h 40m 3:30 AM Austin 5119 Eastside Bus Plaza 5:10 PM San Diego San Ysidro Transit Center  Economy $138
FlixBus 41h 50m 10:50 PM Austin Tornado & El Expreso 2:40 PM San Diego San Ysidro Transit Center  Economy $138
FlixBus 44h 20m 10:50 PM Austin Tornado & El Expreso 5:10 PM San Diego San Ysidro Transit Center  Economy $138
Greyhound US 40h 55m 11:45 PM Austin 5119 Eastside Bus Plaza 2:40 PM San Diego San Ysidro Transit Center  Economy $138

Cheapest bus trips Saturday

Mode of Transport BertCompanyCountOneCompanyName Duration Departure time From Departure Arrival time To Destination Logo Seat classes Price
Greyhound Lines Mexico 36h 40m 3:30 AM Austin 5119 Eastside Bus Plaza 2:10 PM San Diego Old Town Transit Center  Economy $137
Greyhound US 40h 25m 11:45 PM Austin 5119 Eastside Bus Plaza 2:10 PM San Diego Old Town Transit Center  Economy $137
FlixBus 41h 20m 10:50 PM Austin Austin South Congress Bus Stop 2:10 PM San Diego Old Town Transit Center  Economy $137
FlixBus 41h 35m 10:35 PM Austin RedCoach Stop 2:10 PM San Diego Old Town Transit Center  Economy $137
Greyhound Lines Mexico 35h 50m 7:55 AM Austin 5119 Eastside Bus Plaza 5:45 PM San Diego Old Town Transit Center  Economy $138

Best Price Offer: The price for the cheapest bus from Austin to San Diego is $123 on 4/16/2026. Flexible travelers save on ticket prices.


Frequency of bus connections between Austin and San Diego

See here how frequent the connections between Austin and San Diego are, during different times and days of the week.
Wednesday is the busiest day, with more than 24 daily buses from Austin to San Diego. Friday has instead the fewest connections, with only 12 daily coaches between Austin and San Diego.
The busiest time of the day is the Evening, with 35 buses from Austin to San Diego, while Afternoon sees the fewest connections between Austin and San Diego, with 4 offers.

Facts about the bus from Austin to San Diego

Compare all providers like FlixBus, Greyhound Lines Mexico and Greyhound US that travel 18 times every day by bus from Austin to San Diego in one click! Book your bus ticket from Austin to San Diego starting from $123!

Cheapest Bus $123
Fastest Bus 33h 50m
Earliest Bus 3:30 AM
Latest Bus 11:45 PM
Daily Bus Routes 18 Ø
Distance 1,154.5 miles
Bus Companies FlixBus, Greyhound Lines Mexico, Greyhound US and Valley Transit

Cheapest bus connections from Austin to San Diego

Every day, 18 buses from 4 bus companies leave Austin for San Diego: in the table below, you will find the cheapest prices for a bus ticket for this route, starting from 03/22/2026 and for the following days.

Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Sunday 03/22
Monday 03/23
Tuesday 03/24
Wednesday 03/25
$140
Thursday 03/26
Friday 03/27
$138
Saturday 03/28
$137
Sunday 03/29
$142
Monday 03/30
Tuesday 03/31
Wednesday 04/01
Thursday 04/02
$135
Friday 04/03
Saturday 04/04
$146
Sunday 04/05
$134
Monday 04/06
$141
Tuesday 04/07
$154
Wednesday 04/08
$133
Thursday 04/09
$146
Friday 04/10
$138
Saturday 04/11
$130
Sunday 04/12
$139
Monday 04/13
$134
Tuesday 04/14
$154
Wednesday 04/15
$159
Thursday 04/16
$123
Friday 04/17
$126
Saturday 04/18

The cheapest time to travel from Austin to San Diego

See here on which day and which time of the day you can find the cheapest bus ticket from Austin to San Diego, for the next 30 days.
With a price starting from $126, Friday is the cheapest day for a bus from Austin to San Diego. Wednesday instead is the most expensive day with prices starting from $133.
Night is the cheapest day time for bus tickets from Austin to San Diego, with $123. Afternoon is the most expensive time of the day with prices starting from $145.

How to save money travelling from Austin 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 Austin 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 Austin 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 Austin to San Diego are also emptier.

All bus stations and stops in Austin and San Diego

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

Service and Comfort on the bus from Austin to San Diego

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

FAQs about the Austin to San Diego bus

How much does a Austin San Diego bus trip cost?

This depends on, among other things, the day and time of travel. The cheapest trip is available from $123 and takes 34h 40m to reach San Diego. Compare offers to save money!

How much could I save by comparing buses from Austin to San Diego?

This route is offered by 4 companies with a range of ticket prices between $123 and $159. 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 Austin to San Diego each day?

Every day, the Austin to San Diego bus route is served by approximately 18 connections. With our search, you can compare bus times to find the perfect trip.

How long does a bus journey from Austin to San Diego take?

The fastest bus from Austin to San Diego is offered by Greyhound Lines Mexico and takes 33h 50m. Bus tickets for this connection cost $138. In this context, bear in mind that the journey can take longer due to traffic.

What time is the first bus from Austin to San Diego?

The earliest bus arriving in San Diego from Austin starts at 3:30 AM. 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 Austin to San Diego?

The latest bus trip departing from Austin for San Diego starts at 11:45 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 Austin San Diego route?

When traveling by bus from Austin to San Diego, passengers can travel with FlixBus, Greyhound Lines Mexico 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 Austin and San Diego?

You can check all the direct connections between Austin 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, Greyhound Lines Mexico and Greyhound US.

What can I take with me on the Austin 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 Austin 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 Austin 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 Austin to San Diego on your planned travel date.

How does CheckMyBus find the best bus deals from Austin 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 18 daily trips between Austin 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 Austin to San Diego?

Prices and availability for 18 trips between Austin 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 Austin to San Diego

Economy
Economy

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

More bus routes to Austin and to San Diego

Here’s an overview of the most popular bus routes to Austin and to San Diego. Simply click on the connection of your choice, and you will find all the details about your bus route!
Buses Greenville, SC to Austin Buses Greenville, SC to Austin
Bus Soledad de Graciano Sánchez - Austin Bus Soledad de Graciano Sánchez - Austin
Buses to Austin from Tupelo, MS Buses to Austin from Tupelo, MS
Buses Longview, TX to Austin Buses Longview, TX to Austin
Buses El Monte, CA to San Diego Buses El Monte, CA to San Diego
Bus Madera, CA - San Diego Bus Madera, CA - San Diego
Bus to San Diego from Washington, DC Bus to San Diego from Washington, DC
Bus Denver to San Diego Bus Denver to San Diego
Popular Airport Shuttles to Austin and to San Diego
CheckMyBus › Buses in USA › Bus to Austin › Bus to San Diego

The CheckMyBus App

Free Download

App Store
CheckMyBus App
Close
GPDR CheckMyBus shield

We value your privacy!

To

show

you

the

best

bus

offers,

we

and

our

partners

use

technical,

analytical,

and

marketing

cookies

to

personalize

the

ads.

We

remember

your

anonymized

details

to

provide

a

personalized

experience.