San Diego

$84+ Cheap flights from Austin to San Diego (AUS - SAN)

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 6/13. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — SAN
avr. 16 — avr. 231
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Cheapflights Tip: The best prices from Austin Bergstrom to San Diego are usually found in September or August, booked 72 days in advance, depart on a Wednesday or Friday and return on a Saturday

Cheap flight deals from Austin to San Diego

Discover tips and strategies to find the most affordable flight options for your journey from Austin (AUS) to San Diego (SAN). 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 avril 11, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$206
(FlightHub)

One-way from

$84
(Cheapflightsfares)

Popular in

March

Cheapest in

September

Average price

$302

Good round-trip deal

$279 or less

Good one-way deal

$140 or less
Provider with most accurate pricing for Austin Bergstrom-San Diego flight deals.
Provider most trusted by Cheapflights users for Austin Bergstrom-San Diego flights.
From Austin Bergstrom to San Diego
One-way flight from Austin Bergstrom to San Diego
Highest demand for flights based on searches. 10% potential increase in price ($32 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Average for round-trip flights in April 2025
Price to beat on a round-trip flight from Austin Bergstrom to San Diego.
Price to beat on a one-way flight from Austin Bergstrom to San Diego.

Find flight deals from Austin to San Diego

Cheapest flights from Austin to San Diego
Explore the most affordable flight options available from Austin to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on avril 11, 2025.

This FlightHub deal was found by Cheapflights users on 4/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 8/156:00 amAUS - SAN
1 stop10h 11mSpirit Airlines
jeu. 8/211:00 pmSAN - AUS
1 stop14h 02mSpirit Airlines
Deal found 4/11$206
This Frontier deal was found by Cheapflights users on 4/10. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 7/97:53 pmAUS - SAN
Nonstop2h 52mFrontier
mer. 7/1612:00 pmSAN - AUS
1 stop9h 20mFrontier
Deal found 4/10$210
This CheapOair deal was found by Cheapflights users on 4/10. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 5/2212:49 pmAUS - SAN
1 stop5h 33mMultiple Airlines
mer. 5/286:15 amSAN - AUS
1 stop11h 01mMultiple Airlines
Deal found 4/10$213
This Southwest deal was found by Cheapflights users on 4/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 5/1011:55 amAUS - SAN
Nonstop3h 00mSouthwest
sam. 5/173:30 pmSAN - AUS
Nonstop2h 45mSouthwest
Deal found 4/10$217
This Hawaiian Airlines deal was found by Cheapflights users on 4/10. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 5/86:03 amAUS - SAN
Nonstop3h 17mHawaiian Airlines
sam. 5/108:42 amSAN - AUS
Nonstop3h 00mHawaiian Airlines
Deal found 4/10$227
This United Airlines deal was found by Cheapflights users on 4/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 5/156:00 amAUS - SAN
1 stop5h 35mUnited Airlines
sam. 5/176:15 amSAN - AUS
1 stop8h 07mUnited Airlines
Deal found 4/9$233
This Delta deal was found by Cheapflights users on 4/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 6/76:45 pmAUS - SAN
1 stop5h 45mDelta
dim. 6/84:00 pmSAN - AUS
1 stop5h 50mDelta
Deal found 4/11$238
This Alaska Airlines deal was found by Cheapflights users on 4/10. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 5/96:03 amAUS - SAN
Nonstop3h 17mAlaska Airlines
ven. 5/3010:15 pmSAN - AUS
1 stop12h 19mAlaska Airlines
Deal found 4/10$250
This American Airlines deal was found by Cheapflights users on 4/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 4/306:30 pmAUS - SAN
1 stop5h 07mAmerican Airlines
sam. 5/38:42 amSAN - AUS
Nonstop3h 00mAmerican Airlines
Deal found 4/11$331

Cheapflights Fare Finder

Customize your flight search to find flights from Austin to San Diego 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 avril 11, 2025.
Use the filters below to find and compare flights from Austin to San Diego that are best for you.

Fly from

Austin

Fly to

San Diego

Route

Depart

Return

Price

AustinSan Diego

AUS - SAN

AUSSAN

Austin Bergstrom

ven. 8/15

6:00 am-2:11 pm

1 stop10h 11m

San Diego

jeu. 8/21

1:00 pm-5:02 am

1 stop14h 02m

$206

AustinSan Diego

AUS - SAN

AUSSAN

Austin Bergstrom

mer. 7/9

7:53 pm-8:45 pm

Nonstop2h 52m

San Diego

mer. 7/16

12:00 pm-11:20 pm

1 stop9h 20m

$210

AustinSan Diego

AUS - SAN

AUSSAN

Austin Bergstrom

jeu. 5/22

12:49 pm-4:22 pm

1 stop5h 33m

San Diego

mer. 5/28

6:15 am-7:16 pm

1 stop11h 01m

$213

AustinSan Diego

AUS - SAN

AUSSAN

Austin Bergstrom

sam. 5/10

11:55 am-12:55 pm

Nonstop3h 00m

San Diego

sam. 5/17

3:30 pm-8:15 pm

Nonstop2h 45m

$217

AustinSan Diego

AUS - SAN

AUSSAN

Austin Bergstrom

jeu. 5/8

6:03 am-7:20 am

Nonstop3h 17m

San Diego

sam. 5/10

8:42 am-1:42 pm

Nonstop3h 00m

$227

AustinSan Diego

AUS - SAN

AUSSAN

Austin Bergstrom

jeu. 5/15

6:00 am-9:35 am

1 stop5h 35m

San Diego

sam. 5/17

6:15 am-4:22 pm

1 stop8h 07m

$233

AustinSan Diego

AUS - SAN

AUSSAN

Austin Bergstrom

sam. 6/7

6:45 pm-10:30 pm

1 stop5h 45m

San Diego

dim. 6/8

4:00 pm-11:50 pm

1 stop5h 50m

$238

AustinSan Diego

AUS - SAN

AUSSAN

Austin Bergstrom

ven. 5/9

6:03 am-7:20 am

Nonstop3h 17m

San Diego

ven. 5/30

10:15 pm-12:34 pm

1 stop12h 19m

$250

AustinSan Diego

AUS - SAN

AUSSAN

Austin Bergstrom

mer. 4/30

6:30 pm-9:37 pm

1 stop5h 07m

San Diego

sam. 5/3

8:42 am-1:42 pm

Nonstop3h 00m

$331

AustinSan Diego

AUS - SAN

AUSSAN

Austin Bergstrom

ven. 6/13

8:14 pm-11:29 pm

1 stop5h 15m

$84

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/10

Showing 1-10 of 19 results
1
2

Compare providers for flights from Austin to San Diego

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 Austin to San Diego in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*2 stars
FlightnetworkPrice Accuracy-Trust Score*3 stars
CheapOairPrice Accuracy1 starTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars

*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 Austin-San Diego flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Austin-San Diego flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Austin-San Diego flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Austin-San Diego 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 Austin-San Diego 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 Austin to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from Austin 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 Austin to San Diego

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

Use this chart to determine the optimal time to book a round-trip flight from Austin to San Diego. Price data was last updated on April 4, 2025.

The best time to book flights from Austin to San Diego is 72 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, August is the cheapest month in which you can book a flight from Austin to San Diego (average of $286). Flying from Austin to San Diego in March is currently the most expensive (average of $366). 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 AUS to SAN?

Find hourly flight availability from Austin to San Diego. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated avril 11, 2025.

It’s optimal to fly from Austin to San Diego in the evening. By choosing this option you can save up to 22% on the cost of your flight, compared to a flight at noon.

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

Use this chart to determine the cheapest time to fly round-trip from Austin to San Diego. Price data was last updated on March 30, 2025.

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

Weekly flight availability from Austin to San Diego

Explore weekly flight availability from Austin to San Diego. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated avril 11, 2025.

The most flights from AUS to SAN are scheduled on a Monday (13 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (6 on average).

Rainfall in San Diego by month

Plan your trip to San Diego by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Diego ranges from 0.0 - 2.3 inches per month. February is typically the wettest month, when rainfall can reach 2.3 in. July is typically the driest time to visit San Diego when rainfall is around 0.0 in.

Temperature in San Diego by month

Plan your trip to San Diego by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Diego, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 57.2 F).

Reviews of airlines servicing San Diego

Get insights into the airlines that provide service to San Diego. 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 San Diego. Reviews last updated avril 11, 2025.
To help decide which airline to fly from Austin to San Diego, see what other customers have to say about Alaska Airlines, Southwest and Delta. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.5

Entertainment

7.1

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Crew

8.5

Entertainment

7.1

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Crew

8.5

Entertainment

7.1

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
8.0
Very good

Crew

8.5

Entertainment

7.1

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Crew

8.5

Entertainment

7.1

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Crew

8.5

Entertainment

7.1

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Related info for your journey

Find useful and relevant information for your journey from Austin to San Diego. 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 Austin to San Diego?

    You will need to book a flight from Austin Bergstrom to San Diego if you want to fly from Austin to San Diego. At least 8 different airlines have flights from Austin Bergstrom (AUS) to San Diego (SAN) on a regular basis. There are 10 flights to San Diego from the Austin airport per day. If you manage to book one that is nonstop, then you can expect the flight time from AUS to SAN to be around 2h 52m.

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

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

    According to our current data, Spirit Airlines ($206), Frontier ($210), and Southwest ($217) offers the cheapest pricing from Austin to San Diego. Users have found that Spirit Airlines is 28% cheaper than the other options available to this destination.

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

    The cheapest airlines for a one-way flight from Austin to San Diego are Spirit Airlines ($84), Frontier ($86), and Hawaiian Airlines ($109).

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

    Before booking your flight to San Diego from Austin, check out the most reliable airlines to get you to your destination on time: Sun Country Air (100%), Southwest (83%), Hawaiian Airlines( 61%).

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

    While on average a flight from Austin to San Diego is generally $729, our data shows the cheapest flight currently is $108. When looking at the most popular route, (Austin Bergstrom - San Diego), you can expect to pay $112 for that flight.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Austin to San Diego 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 Austin to San Diego?

    Currently, August is the cheapest month in which you can book a flight from Austin to San Diego (average of $286). Flying from Austin to San Diego in March is currently the most expensive (average of $366). 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
El Cajon
Chula Vista
Lemon Grove
National City
Imperial Beach
La Mesa
Alpine
Poway
Santee
Coronado
Borrego Springs

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Alternative routes for Austin to San Diego

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

Top 8 airlines flying from Austin to San Diego

Discover the top 8 airlines that operate flights from Austin to San Diego. 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 avril 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$63Average$145FlexibilityNo cancel feeOn-time65%
FrontierCheapest$105Average$192FlexibilityNo cancel feeOn-time62%
Alaska AirlinesCheapest$162Average$282FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$174Average$310FlexibilityNo cancel feeOn-time63%
DeltaCheapest$195Average$287FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$196Average$414FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$216Average$338FlexibilityNo cancel feeOn-time69%
Hawaiian AirlinesCheapest$231Average$327FlexibilityNo cancel feeOn-time85%

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