Austin

$63+ Cheap flights from San Diego to Austin (SAN - AUS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/31. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — AUS
Jan 25 — Feb 11
We work with more than 300 partners to bring you better travel deals

Find cheap flights from San Diego to Austin with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from San Diego to Austin Bergstrom are usually found in July or September, booked 90 days in advance, depart on a Friday or Wednesday and return on a Friday

Cheap flight deals from San Diego to Austin

Cheapest flights from San Diego to Austin
Explore the most affordable flight options available from San Diego to Austin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 26, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3110:57 amSAN - AUS
1 stop21h 16mFrontier
Tue 1/1310:55 amAUS - SAN
1 stop8h 14mFrontier
Deal found 12/23$156
This Kiwi.com deal was found by Cheapflights users on 12/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3110:57 amSAN - AUS
1 stop21h 16mFrontier
Wed 1/710:32 amAUS - SAN
1 stop6h 02mFrontier
Deal found 12/23$189
This Kiwi.com deal was found by Cheapflights users on 12/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:25 amSAN - AUS
1 stop15h 49mMultiple Airlines
Tue 1/137:59 pmAUS - SAN
Nonstop3h 30mMultiple Airlines
Deal found 12/23$194
This Kiwi.com deal was found by Cheapflights users on 12/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:25 amSAN - AUS
1 stop15h 49mFrontier
Fri 1/912:42 pmAUS - SAN
Nonstop3h 13mFrontier
Deal found 12/23$222
This CheapOair deal was found by Cheapflights users on 12/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/297:21 pmSAN - AUS
1 stop18h 57mFrontier
Sat 1/3110:40 amAUS - SAN
1 stop14h 51mFrontier
Deal found 12/25$286
This Kiwi.com deal was found by Cheapflights users on 12/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/244:47 pmSAN - AUS
1 stop5h 27mFrontier
Thu 1/16:45 amAUS - SAN
1 stop14h 30mFrontier
Deal found 12/23$291
This Orbitz deal was found by Cheapflights users on 12/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/294:47 pmSAN - AUS
1 stop5h 27mMultiple Airlines
Sat 1/318:06 pmAUS - SAN
Nonstop3h 30mMultiple Airlines
Deal found 12/25$310
This Alaska Airlines deal was found by Cheapflights users on 12/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/319:10 amSAN - AUS
Nonstop3h 06mAlaska Airlines
Tue 1/131:30 pmAUS - SAN
Nonstop3h 27mAlaska Airlines
Deal found 12/23$337
This Kiwi.com deal was found by Cheapflights users on 12/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/314:47 pmSAN - AUS
1 stop5h 27mMultiple Airlines
Wed 1/71:30 pmAUS - SAN
Nonstop3h 27mMultiple Airlines
Deal found 12/23$346
This Expedia deal was found by Cheapflights users on 12/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/297:21 pmSAN - AUS
1 stop18h 57mFrontier
Thu 1/16:45 amAUS - SAN
1 stop14h 30mFrontier
Deal found 12/25$348

Find flight deals from San Diego to Austin

Discover tips and strategies to find the most affordable flight options for your journey from San Diego (SAN) to Austin (AUS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 26, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$107
(Cheapflightsfares)

One-way from

$63
(Trip.com)

Popular in

March

Cheapest in

July

Average price

$267

Good round-trip deal

$197 or less

Good one-way deal

$96 or less
Provider with most accurate pricing for San Diego-Austin Bergstrom flight deals.
Provider most trusted by Cheapflights users for San Diego-Austin Bergstrom flights.
From San Diego to Austin Bergstrom
One-way flight from San Diego to Austin Bergstrom
Highest demand for flights based on searches. 12% potential increase in price ($38 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).
Average for round-trip flights in December 2025
Price to beat on a round-trip flight from San Diego to Austin Bergstrom.
Price to beat on a one-way flight from San Diego to Austin Bergstrom.

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Diego to Austin that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 26, 2025.
Use the filters below to find and compare flights from San Diego to Austin that are best for you.

Fly from

San Diego

Fly to

Austin

Route

Depart

Return

Price

San DiegoAustin

SAN - AUS

SANAUS

San Diego

Wed 3/11

2:19 pm-7:15 pm

Nonstop2h 56m

Austin Bergstrom

Wed 3/18

7:59 pm-9:28 pm

Nonstop3h 29m

$177

San DiegoAustin

SAN - AUS

SANAUS

San Diego

Tue 1/13

5:46 pm-10:48 pm

Nonstop3h 02m

Austin Bergstrom

Sat 1/17

6:00 am-7:32 am

Nonstop3h 32m

$177

San DiegoAustin

SAN - AUS

SANAUS

San Diego

Wed 1/28

9:44 am-2:46 pm

Nonstop3h 02m

Austin Bergstrom

Sat 1/31

6:00 am-7:32 am

Nonstop3h 32m

$177

San DiegoAustin

SAN - AUS

SANAUS

San Diego

Wed 2/18

2:19 pm-7:15 pm

Nonstop2h 56m

Austin Bergstrom

Sat 2/21

4:30 pm-6:02 pm

Nonstop3h 32m

$177

San DiegoAustin

SAN - AUS

SANAUS

San Diego

Sat 2/7

9:44 am-2:46 pm

Nonstop3h 02m

Austin Bergstrom

Sun 2/8

6:00 am-7:32 am

Nonstop3h 32m

$187

San DiegoAustin

SAN - AUS

SANAUS

San Diego

Wed 1/21

5:46 pm-10:48 pm

Nonstop3h 02m

Austin Bergstrom

Thu 1/22

6:00 am-7:32 am

Nonstop3h 32m

$187

San DiegoAustin

SAN - AUS

SANAUS

San Diego

Wed 1/14

5:46 pm-10:48 pm

Nonstop3h 02m

Austin Bergstrom

Thu 1/15

1:30 pm-2:57 pm

Nonstop3h 27m

$187

San DiegoAustin

SAN - AUS

SANAUS

San Diego

Fri 3/6

2:19 pm-7:15 pm

Nonstop2h 56m

Austin Bergstrom

Tue 3/10

4:30 pm-6:02 pm

Nonstop3h 32m

$187

San DiegoAustin

SAN - AUS

SANAUS

San Diego

Thu 1/15

7:48 am-12:50 pm

Nonstop3h 02m

Austin Bergstrom

Thu 1/15

3:39 pm-5:06 pm

Nonstop3h 27m

$191

San DiegoAustin

SAN - AUS

SANAUS

San Diego

Thu 1/15

7:48 am-12:50 pm

Nonstop3h 02m

Austin Bergstrom

Sun 1/18

3:39 pm-5:06 pm

Nonstop3h 27m

$197

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/26

Showing 1-10 of 21 results
1
2
3

Compare providers for flights from San Diego to Austin

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Diego to Austin in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on San Diego-Austin flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on San Diego-Austin flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from San Diego-Austin flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Diego-Austin flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Diego-Austin flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from San Diego to Austin

Have a flexible travel schedule? Discover the best time to fly to Austin from San Diego with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from San Diego to Austin

How far ahead should I book a flight from San Diego to Austin?

Use this chart to determine the optimal time to book a round-trip flight from San Diego to Austin. Price data was last updated on December 19, 2025.

Booking 90 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Diego to Austin. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from San Diego to Austin?

Currently, November is the cheapest month in which you can book a flight from San Diego to Austin (average of $82). Flying from San Diego to Austin in March is currently the most expensive (average of $147). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SAN to AUS?

Find hourly flight availability from San Diego to Austin. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 26, 2025.

One of the essential ways to save on airfare from San Diego to Austin is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 20% on airfare.

What is the cheapest day to fly from San Diego to Austin?

Use this chart to determine the cheapest time to fly round-trip from San Diego to Austin. Price data was last updated on December 20, 2025.

Travelers seeking maximum savings on their San Diego to Austin flight should consider departing on Saturday at noon when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

The best insider tips for San Diego to Austin flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your San Diego to Austin trip
Airports
SAN

Plan to arrive at SAN two hours before your flight to avoid stress from potential traffic congestion near the airport.

AUS

Use the CapMetro Route 20 bus for a budget-friendly ride from AUS to downtown Austin, running every 15 minutes during peak hours.

Our travel experts
Blane Bachelor

Blane Bachelor

Expert on SAN

Blane Bachelor

Blane Bachelor

Blane Bachelor is a journalist and editor specializing in travel and aviation who writes regularly for top global outlets. Born and raised in Florida, Blane has worked and lived in four countries, including the Netherlands, where she’s currently based with her family. Her favorite way to get to know a new destination is by running or riding a bike around town – or hearing a spooky ghost story about local history. She will always choose the window seat.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on AUS

Ramsey Qubein

Ramsey Qubein

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more

Reviews of airlines servicing Austin

Get insights into the airlines that provide service to Austin. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Austin. Reviews last updated December 26, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest, and Hawaiian Airlines from San Diego to Austin to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

7.1

Overall

8.0

Boarding

8.1

Crew

8.5

Comfort

7.8

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.

Food

7.1

Overall

8.0

Boarding

8.1

Crew

8.5

Comfort

7.8

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.

Food

7.1

Overall

8.0

Boarding

8.1

Crew

8.5

Comfort

7.8

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.

Food

7.1

Overall

8.0

Boarding

8.1

Crew

8.5

Comfort

7.8

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.

Food

7.1

Overall

8.0

Boarding

8.1

Crew

8.5

Comfort

7.8

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.

Food

7.1

Overall

8.0

Boarding

8.1

Crew

8.5

Comfort

7.8

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.

Related info for your journey

Find useful and relevant information for your journey from San Diego to Austin. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airports do I use to fly from San Diego to Austin?

    If you wish to fly to Austin from San Diego, then you need to book flights from San Diego to Austin Bergstrom. There are 10 flights from San Diego (SAN) to Austin Bergstrom (AUS) per day to choose from. Flights to Austin from San Diego are available from 8 different airlines, which means you should have some options if you want to compare airfare deals. 2h 45m is how long a nonstop flight from San Diego to Austin Bergstrom typically takes.

  • How popular is this San Diego to Austin flight route?

  • How long is the flight from San Diego to Austin?

    For as low as $177, Alaska Airlines can have you in Austin from San Diego in 2h 56m. There are 1162 mi between San Diego and Austin. Generally, flights for this route are nonstop.

  • What are the cheapest airlines flying from San Diego to Austin round-trip?

    Currently priced at $68, Frontier will fly you from San Diego to Austin and back. In addition to Frontier, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Spirit Airlines and Hawaiian Airlines - these airlines can fly you to your destination from $82 and $118, respectively. Frontier is priced at 75% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from San Diego to Austin one-way?

    One-way options have recently been found by users for as low as $44 on Frontier. Other airlines that offer cheap prices include Spirit Airlines from $54 and Alaska Airlines from $88 one-way.

  • What are the most reliable airlines from San Diego to Austin?

    No one likes to see their flight delayed. When booking a flight from San Diego to Austin consider choosing SkyWest Airlines (75%), American Airlines (75%) or Alaska Airlines (75%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from San Diego to Austin?

    On average you can expect to pay $224 for a flight from San Diego to Austin. The cheapest flight overall is $51 while the most popular route, (San Diego - Austin Bergstrom) is currently priced at $132.

  • Can I find deals for flights from San Diego to Austin that include hotel bookings?

    Yes. In addition to deals on San Diego to Austin flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Diego to Austin?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Diego to Austin.

  • Can I find deals for business class flights from San Diego to Austin?

    Yes. Cheapflights offers flight deals from San Diego to Austin by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from San Diego to Austin?

    Currently, November is the cheapest month in which you can book a flight from San Diego to Austin (average of $82). Flying from San Diego to Austin in March is currently the most expensive (average of $147). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Austin?

Book flights to Austin if you plan to visit one of these locations
Cedar Park
Round Rock
San Marcos
Georgetown
Pflugerville
Dripping Springs
Fredericksburg
Canyon Lake
Seguin
Horseshoe Bay

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for San Diego to Austin

See prices for flight routes from nearby airports that may be better suited for you.

Top 8 airlines flying from San Diego to Austin

Discover the top 8 airlines that operate flights from San Diego to Austin. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$78Average$195FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$82Average$185FlexibilityNo cancel feeOn-time65%
DeltaCheapest$119Average$306FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$123Average$290FlexibilityNo cancel feeOn-time85%
United AirlinesCheapest$148Average$337FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$174Average$323FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$186Average$309FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$227Average$359FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.