Austin

$49+ 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 3/6. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — AUS
Mar 14 — Mar 211
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1. Tell us where you want to go

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Cheapflights Tip: The best prices from San Diego to Austin Bergstrom are usually found in January or February, booked 46 days in advance, depart on a Friday or Saturday 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 February 12, 2026.

This Cheapflightsfares deal was found by Cheapflights users on 2/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/278:35 am
SAN
-
AUS
1 stop13h 41m
Frontier
Sun 3/112:38 pm
AUS
-
SAN
Nonstop3h 19m
Frontier
Deal found 2/10$122
This Kiwi.com deal was found by Cheapflights users on 2/8. 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.
Thu 3/54:12 pm
SAN
-
AUS
Nonstop2h 52m
Frontier
Mon 3/910:45 pm
AUS
-
SAN
1 stop24h 29m
Frontier
Deal found 2/8$123
This Kiwi.com deal was found by Cheapflights users on 2/10. 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.
Fri 3/65:08 pm
SAN
-
AUS
Nonstop2h 52m
Frontier
Tue 3/1710:45 pm
AUS
-
SAN
1 stop27h 23m
Frontier
Deal found 2/10$127
This Kiwi.com deal was found by Cheapflights users on 2/10. 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.
Fri 3/69:18 pm
SAN
-
AUS
1 stop10h 48m
Frontier
Mon 3/97:44 pm
AUS
-
SAN
Nonstop3h 19m
Frontier
Deal found 2/10$130
This Kiwi.com deal was found by Cheapflights users on 2/10. 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.
Fri 4/105:01 pm
SAN
-
AUS
Nonstop2h 55m
Frontier
Mon 4/1311:00 am
AUS
-
SAN
1 stop11h 26m
Frontier
Deal found 2/10$133
This Kiwi.com deal was found by Cheapflights users on 2/8. 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 3/1110:51 am
SAN
-
AUS
Nonstop2h 59m
Multiple Airlines
Mon 3/167:44 pm
AUS
-
SAN
Nonstop3h 19m
Multiple Airlines
Deal found 2/8$134
This Kiwi.com deal was found by Cheapflights users on 2/10. 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 3/118:25 am
SAN
-
AUS
1 stop13h 51m
Frontier
Wed 3/186:45 am
AUS
-
SAN
1 stop19h 23m
Frontier
Deal found 2/10$135
This CheapOair deal was found by Cheapflights users on 2/9. 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.
Tue 3/37:11 am
SAN
-
AUS
1 stop14h 02m
Frontier
Wed 3/48:30 am
AUS
-
SAN
1 stop15h 11m
Frontier
Deal found 2/9$139

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 February 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$122
(Cheapflightsfares)

One-way from

$49
(Super.com)

Popular in

March

Cheapest in

January

Average price

$207

Good round-trip deal

$182 or less

Good one-way deal

$109 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. 8% potential increase in price ($22 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 February 2026
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 February 12, 2026.
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

Thu 3/5

4:12 pm-9:04 pm

Nonstop2h 52m

Austin Bergstrom

Mon 3/9

9:08 pm-2:31 pm

2 stops19h 23m

$161

San DiegoAustin

SAN - AUS

SANAUS

San Diego

Sat 5/9

10:52 am-3:54 pm

Nonstop3h 02m

Austin Bergstrom

Wed 5/13

7:59 pm-9:24 pm

Nonstop3h 25m

$167

San DiegoAustin

SAN - AUS

SANAUS

San Diego

Wed 4/1

7:50 am-12:35 pm

Nonstop2h 45m

Austin Bergstrom

Sun 4/5

6:10 am-7:25 am

Nonstop3h 15m

$182

San DiegoAustin

SAN - AUS

SANAUS

San Diego

Wed 4/8

3:50 pm-8:35 pm

Nonstop2h 45m

Austin Bergstrom

Sun 4/12

6:05 am-7:10 am

Nonstop3h 05m

$182

San DiegoAustin

SAN - AUS

SANAUS

San Diego

Thu 4/2

5:35 pm-10:15 pm

Nonstop2h 40m

Austin Bergstrom

Mon 4/6

9:30 pm-10:40 pm

Nonstop3h 10m

$197

San DiegoAustin

SAN - AUS

SANAUS

San Diego

Fri 3/27

8:50 pm-4:56 am

1 stop6h 06m

Austin Bergstrom

Sat 4/4

2:10 pm-8:12 pm

1 stop8h 02m

$217

San DiegoAustin

SAN - AUS

SANAUS

San Diego

Mon 4/20

3:35 pm-8:15 pm

Nonstop2h 40m

Austin Bergstrom

Sat 4/25

8:20 pm-9:25 pm

Nonstop3h 05m

$217

San DiegoAustin

SAN - AUS

SANAUS

San Diego

Wed 4/22

2:18 pm-7:19 pm

Nonstop3h 01m

Austin Bergstrom

Sun 4/26

6:00 am-7:23 am

Nonstop3h 23m

$222

San DiegoAustin

SAN - AUS

SANAUS

San Diego

Fri 3/27

8:00 pm-12:50 am

Nonstop2h 50m

Austin Bergstrom

Fri 4/3

6:30 am-7:45 am

Nonstop3h 15m

$227

San DiegoAustin

SAN - AUS

SANAUS

San Diego

Thu 4/23

7:20 pm-12:05 am

Nonstop2h 45m

Austin Bergstrom

Mon 4/27

9:10 pm-10:15 pm

Nonstop3h 05m

$227

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/11

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 February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Diego-Austin flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 February 6, 2026.

Booking 46 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, January is the cheapest month in which you can book a flight from San Diego to Austin (average of $77). 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 February 12, 2026.

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 evening tend to be the most expensive. A flight at noon could potentially save you up to 23% 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 February 7, 2026.

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
Our travel experts
Blane Bachelor

Blane Bachelor

Expert on SAN

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.

Ramsey Qubein

Ramsey Qubein

Expert on AUS

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.

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 February 12, 2026.
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.

Overall

8.0

Entertainment

7.0

Boarding

8.1

Food

7.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

Overall

8.0

Entertainment

7.0

Boarding

8.1

Food

7.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

Overall

8.0

Entertainment

7.0

Boarding

8.1

Food

7.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

Overall

8.0

Entertainment

7.0

Boarding

8.1

Food

7.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

Overall

8.0

Entertainment

7.0

Boarding

8.1

Food

7.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

Overall

8.0

Entertainment

7.0

Boarding

8.1

Food

7.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

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 7 flights from San Diego (SAN) to Austin Bergstrom (AUS) per day to choose from. Flights to Austin from San Diego are available from 7 different airlines, which means you should have some options if you want to compare airfare deals. 2h 40m 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 $182, Frontier can have you in Austin from San Diego in 2h 45m. 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 $67, 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 73% 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 $43 on Frontier. Other airlines that offer cheap prices include Spirit Airlines from $54 and Alaska Airlines from $74 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 (84%), Alaska Airlines (84%) or Hawaiian Airlines (81%) 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 $304 for a flight from San Diego to Austin. The cheapest flight overall is $44 while the most popular route, (San Diego - Austin Bergstrom) is currently priced at $143.

  • 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, January is the cheapest month in which you can book a flight from San Diego to Austin (average of $77). 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
San Marcos
Fredericksburg
Round Rock
Georgetown
Bastrop
Pflugerville
Dripping Springs
Canyon Lake
Seguin
Horseshoe Bay

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for San Diego to Austin

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

Top 7 airlines flying from San Diego to Austin

Discover the top 7 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 February 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$67Average$185FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$82Average$219FlexibilityNo cancel feeOn-time65%
Hawaiian AirlinesCheapest$118Average$268FlexibilityNo cancel feeOn-time85%
DeltaCheapest$119Average$306FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$167Average$295FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$182Average$305FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$227Average$376FlexibilityNo cancel feeOn-time71%

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