How popular is this Austin to San Diego flight route?

Within the past month, 31 users have taken a look at flights from Austin Bergstrom to San Diego.

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

According to our current data, Spirit Airlines ($195), Frontier ($216), and Southwest ($217) offers the cheapest pricing from Austin to San Diego. Users have found that Spirit Airlines is 32% 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 ($83), Frontier ($87), and United Airlines ($120).

What are the cheapest flights from Austin to San Diego?

While on average a flight from Austin to San Diego is generally $970, our data shows the cheapest flight currently is $100. When looking at the most popular route, (Austin Bergstrom - San Diego), you can expect to pay $117 for that flight.

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: Southwest (83%), SkyWest Airlines (53%), American Airlines( 53%).

What are the most popular airlines that fly from Austin to San Diego?

Before booking your flight from Austin to San Diego check out the most popular airlines for this route: American Airlines, Alaska Airlines or Delta.

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

Saturday flights are generally found to be more expensive for flights from Austin to San Diego. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to San Diego.

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

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 23 days in advance, which can save you up to 163% on flights from Austin to San Diego compared to booking the week you need them. Waiting 23 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $393. For sooner than that we have options available in the next 3 days from $595.

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

September can be a great time to fly to San Diego from Austin with a flight ticket averaging about $287. Cheapflights users have found deals in the month of September for as cheap as $146. The most expensive prices can be found in the month of March.

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.

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 9 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 55m.

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.

$83+ Flights from Austin to San Diego

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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 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

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$190 (CheapOair)
One-way from	$83 (FlightHub)
Popular in	March
Cheapest in	September
Average price	$403
Good round-trip deal	$277 or less
Good one-way deal	$166 or less

Provider with most accurate pricing for Austin Bergstrom-San Diego flight deals.

Search Deals

Provider most trusted by Cheapflights users for Austin Bergstrom-San Diego flights.

Search Deals

From Austin Bergstrom to San Diego

Search Deals

One-way flight from Austin Bergstrom to San Diego

Search Deals

Highest demand for flights based on searches. 10% potential increase in price ($34 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($11 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in March 2025

Search Deals

Price to beat on a round-trip flight from Austin Bergstrom to San Diego.

Search Deals

Price to beat on a one-way flight from Austin Bergstrom to San Diego.

Search Deals

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 March 27, 2025.

Tue 4/18:26 pmAUS - SAN

1 stop12h 50mSpirit Airlines

Tue 4/86:15 amSAN - AUS

1 stop11h 16mSpirit Airlines

Deal found 3/26

$188

Fri 5/168:11 pmAUS - SAN

1 stop5h 42mMultiple Airlines

Sun 5/188:54 pmSAN - AUS

1 stop24h 26mMultiple Airlines

Deal found 3/25

$190

Fri 8/18:06 pmAUS - SAN

Nonstop2h 52mFrontier

Sun 8/37:59 amSAN - AUS

Nonstop2h 59mFrontier

Deal found 3/26

$216

Wed 4/238:55 pmAUS - SAN

Nonstop3h 05mSouthwest

Sat 4/263:30 pmSAN - AUS

Nonstop2h 45mSouthwest

Deal found 3/26

$217

Thu 5/86:02 pmAUS - SAN

1 stop6h 17mUnited Airlines

Sun 5/113:10 pmSAN - AUS

1 stop5h 35mUnited Airlines

Deal found 3/26

$230

Wed 5/217:37 amAUS - SAN

1 stop7h 53mDelta

Sat 6/79:47 amSAN - AUS

1 stop6h 03mDelta

Deal found 3/26

$237

Wed 4/306:03 amAUS - SAN

Nonstop3h 17mHawaiian Airlines

Wed 4/304:20 pmSAN - AUS

1 stop5h 59mHawaiian Airlines

Deal found 3/26

$267

Sat 4/198:45 amAUS - SAN

1 stop24h 54mAlaska Airlines

Sat 4/265:22 pmSAN - AUS

Nonstop2h 58mAlaska Airlines

Deal found 3/26

$270

Best flights from Austin to San Diego
Discover carefully curated flight deals from Austin to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 27, 2025.

Fri 5/168:11 pmAUS - SAN

1 stop5h 42mMultiple Airlines

Sun 5/188:54 pmSAN - AUS

1 stop24h 26mMultiple Airlines

Deal found 3/25

$190

Mon 6/98:11 pmAUS - SAN

1 stop5h 42mSpirit Airlines

Mon 6/161:00 pmSAN - AUS

1 stop14h 02mSpirit Airlines

Deal found 3/26

$195

Fri 8/18:06 pmAUS - SAN

Nonstop2h 52mFrontier

Sun 8/37:59 amSAN - AUS

Nonstop2h 59mFrontier

Deal found 3/26

$216

Wed 4/238:55 pmAUS - SAN

Nonstop3h 05mSouthwest

Wed 4/307:15 pmSAN - AUS

Nonstop2h 50mSouthwest

Deal found 3/26

$217

Thu 5/86:02 pmAUS - SAN

1 stop6h 17mUnited Airlines

Sun 5/113:10 pmSAN - AUS

1 stop5h 35mUnited Airlines

Deal found 3/26

$230

Wed 5/217:37 amAUS - SAN

1 stop7h 53mDelta

Sat 6/79:47 amSAN - AUS

1 stop6h 03mDelta

Deal found 3/26

$237

Wed 4/306:03 amAUS - SAN

Nonstop3h 17mHawaiian Airlines

Wed 4/304:20 pmSAN - AUS

1 stop5h 59mHawaiian Airlines

Deal found 3/26

$267

Sat 4/198:45 amAUS - SAN

1 stop24h 54mAlaska Airlines

Sat 4/265:22 pmSAN - AUS

Nonstop2h 58mAlaska Airlines

Deal found 3/26

$270

Thu 5/226:05 amAUS - SAN

1 stop4h 30mAmerican Airlines

Wed 5/285:48 pmSAN - AUS

Nonstop2h 58mAmerican Airlines

Deal found 3/27

$382

Last-minute flights from Austin to San Diego
Discover last-minute flight deals from Austin to San Diego. Data last updated March 27, 2025 and is based on user searches.

Tue 4/18:26 pmAUS - SAN

1 stop12h 50mSpirit Airlines

Tue 4/86:15 amSAN - AUS

1 stop11h 16mSpirit Airlines

Deal found 3/26

$188

Wed 4/27:10 amAUS - SAN

1 stop5h 57mUnited Airlines

Wed 4/210:00 pmSAN - AUS

1 stop10h 12mUnited Airlines

Deal found 3/26

$481

Wed 4/26:00 amAUS - SAN

Nonstop3h 17mAmerican Airlines

Mon 4/74:48 pmSAN - AUS

1 stop5h 10mAmerican Airlines

Deal found 3/26

$604

Fri 4/412:12 pmAUS - SAN

1 stop14h 02mMultiple Airlines

Tue 4/86:15 amSAN - AUS

1 stop11h 16mMultiple Airlines

Deal found 3/25

$198

Fri 4/42:40 pmAUS - SAN

Nonstop3h 18mHawaiian Airlines

Wed 4/96:47 pmSAN - AUS

Nonstop2h 58mHawaiian Airlines

Deal found 3/25

$547

Sat 4/51:14 pmAUS - SAN

1 stop8h 02mFrontier

Sat 4/126:25 amSAN - AUS

1 stop11h 20mFrontier

Deal found 3/26

$238

Sat 4/56:00 amAUS - SAN

Nonstop3h 17mAlaska Airlines

Wed 4/166:47 pmSAN - AUS

Nonstop2h 58mAlaska Airlines

Deal found 3/26

$427

Wed 4/96:10 amAUS - SAN

1 stop7h 19mFrontier

Thu 4/1712:29 pmSAN - AUS

1 stop9h 04mFrontier

Deal found 3/26

$238

Thu 4/106:00 amAUS - SAN

Nonstop3h 17mAmerican Airlines

Sun 4/136:29 amSAN - AUS

1 stop4h 35mAmerican Airlines

Deal found 3/26

$451

Tue 4/156:29 pmAUS - SAN

1 stop7h 45mMultiple Airlines

Thu 4/176:15 amSAN - AUS

1 stop11h 57mMultiple Airlines

Deal found 3/26

$197

Wed 4/166:00 amAUS - SAN

Nonstop3h 17mAlaska Airlines

Fri 4/186:47 pmSAN - AUS

Nonstop2h 58mAlaska Airlines

Deal found 3/26

$227

Tue 4/226:03 amAUS - SAN

Nonstop3h 17mHawaiian Airlines

Tue 4/294:20 pmSAN - AUS

1 stop5h 59mHawaiian Airlines

Deal found 3/26

$237

One-way flights from Austin to San Diego
Search for one-way flight options from Austin to San Diego. Find affordable one-way fares based on user searches. Data last updated March 27, 2025.

Fri 5/308:11 pmAUS - SAN

1 stop5h 42mSpirit Airlines

Deal found 3/26

$83

Wed 6/258:06 pmAUS - SAN

Nonstop2h 52mFrontier

Deal found 3/26

$87

Sun 5/186:00 amAUS - SAN

1 stop5h 35mUnited Airlines

Deal found 3/26

$120

Wed 6/119:30 amAUS - SAN

2 stops5h 40mSouthwest

Deal found 3/26

$124

Fri 4/256:03 amAUS - SAN

Nonstop3h 17mAlaska Airlines

Deal found 3/26

$139

Sun 6/2211:48 amAUS - SAN

2 stops30h 46mMultiple Airlines

Deal found 3/26

$152

Tue 6/176:00 amAUS - SAN

Nonstop2h 59mHawaiian Airlines

Deal found 3/26

$174

Thu 4/101:15 pmAUS - SAN

2 stops7h 13mAmerican Airlines

Deal found 3/26

$183

Cheapflights Fare Finder

Use the filters below to find and compare flights from Austin to San Diego that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

AustinSan Diego

AUS - SAN

AUSSAN

Austin Bergstrom

Tue 4/1

8:26 pm-7:16 am

1 stop12h 50m

San Diego

Tue 4/8

6:15 am-7:31 pm

1 stop11h 16m

$188

AustinSan Diego

AUS - SAN

AUSSAN

Austin Bergstrom

Fri 5/16

8:11 pm-11:53 pm

1 stop5h 42m

San Diego

Sun 5/18

8:54 pm-11:20 pm

1 stop24h 26m

$190

AustinSan Diego

AUS - SAN

AUSSAN

Austin Bergstrom

Wed 4/23

8:55 pm-10:00 pm

Nonstop3h 05m

San Diego

Sat 4/26

3:30 pm-8:15 pm

Nonstop2h 45m

$217

AustinSan Diego

AUS - SAN

AUSSAN

Austin Bergstrom

Thu 5/8

6:02 pm-10:19 pm

1 stop6h 17m

San Diego

Sun 5/11

3:10 pm-10:45 pm

1 stop5h 35m

$230

AustinSan Diego

AUS - SAN

AUSSAN

Austin Bergstrom

Wed 5/21

7:37 am-1:30 pm

1 stop7h 53m

San Diego

Sat 6/7

9:47 am-5:50 pm

1 stop6h 03m

$237

AustinSan Diego

AUS - SAN

AUSSAN

Austin Bergstrom

Wed 4/9

6:10 am-11:29 am

1 stop7h 19m

San Diego

Thu 4/17

12:29 pm-11:33 pm

1 stop9h 04m

$238

AustinSan Diego

AUS - SAN

AUSSAN

Austin Bergstrom

Wed 4/30

6:03 am-7:20 am

Nonstop3h 17m

San Diego

Wed 4/30

4:20 pm-12:19 am

1 stop5h 59m

$267

AustinSan Diego

AUS - SAN

AUSSAN

Austin Bergstrom

Sat 4/19

8:45 am-7:39 am

1 stop24h 54m

San Diego

Sat 4/26

5:22 pm-10:20 pm

Nonstop2h 58m

$270

AustinSan Diego

AUS - SAN

AUSSAN

Austin Bergstrom

Fri 5/30

8:11 pm-11:53 pm

1 stop5h 42m

$83

AustinSan Diego

AUS - SAN

AUSSAN

Austin Bergstrom

Fri 6/13

8:06 pm-8:58 pm

Nonstop2h 52m

$87

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

Showing 1-10 of 16 results

Compare providers for flights from Austin to San Diego

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 March.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Cheapflightsfares	Price Accuracy3 stars	Trust Score*2 stars
Priceline	Price Accuracy1 star	Trust Score*3 stars
JustAirTicket	Price Accuracy-	Trust Score*3 stars
Kiwi.com	Price Accuracy3 stars	Trust Score*2 stars
CheapOair	Price Accuracy1 star	Trust Score*3 stars
Mytrip	Price Accuracy3 stars	Trust 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?

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?

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?

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

The most flights from AUS to SAN are scheduled on a Thursday (12 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (5 on average).

Rainfall in San Diego 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

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

To help decide which airline to fly from Austin to San Diego, see what other customers have to say about Southwest, Alaska Airlines 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.

Southwest

8.1

Very good

4,273 reviews

Reviews

1 / 20

10.0

Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Southwest

8.1

Very good

4,273 reviews

Southwest

8.1

Very good

4,273 reviews

Reviews

1 / 20

10.0

Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Alaska Airlines

8.0

Very good

9,795 reviews

Southwest

8.1

Very good

4,273 reviews

Reviews

1 / 20

10.0

Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Delta

8.0

Very good

7,895 reviews

Southwest

8.1

Very good

4,273 reviews

Reviews

1 / 20

10.0

Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Hawaiian Airlines

7.9

Good

2,334 reviews

Southwest

8.1

Very good

4,273 reviews

Reviews

1 / 20

10.0

Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

United Airlines

7.4

Good

8,603 reviews

Southwest

8.1

Very good

4,273 reviews

Reviews

1 / 20

10.0

Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Related info for your journey

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 9 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 55m.
How popular is this Austin to San Diego flight route?
Within the past month, 31 users have taken a look at flights from Austin Bergstrom to San Diego.
What are the cheapest airlines flying from Austin to San Diego round-trip?
According to our current data, Spirit Airlines ($195), Frontier ($216), and Southwest ($217) offers the cheapest pricing from Austin to San Diego. Users have found that Spirit Airlines is 32% 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 ($83), Frontier ($87), and United Airlines ($120).
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: Southwest (83%), SkyWest Airlines (53%), American Airlines( 53%).
What are the cheapest flights from Austin to San Diego?
While on average a flight from Austin to San Diego is generally $970, our data shows the cheapest flight currently is $100. When looking at the most popular route, (Austin Bergstrom - San Diego), you can expect to pay $117 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

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Other flights to San Diego

Top 8 airlines flying from Austin to San Diego

Airline	Cheapest	Average	Flexibility	On-time
Spirit Airlines	Cheapest$63	Average$143	FlexibilityNo cancel fee	On-time65%
Frontier	Cheapest$106	Average$193	FlexibilityNo cancel fee	On-time62%
Alaska Airlines	Cheapest$160	Average$280	FlexibilityNo cancel fee	On-time75%
Southwest	Cheapest$172	Average$307	FlexibilityNo cancel fee	On-time63%
Delta	Cheapest$195	Average$277	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$196	Average$414	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$216	Average$338	FlexibilityNo cancel fee	On-time69%
Hawaiian Airlines	Cheapest$231	Average$312	FlexibilityNo cancel fee	On-time85%

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$83+ 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 5/30. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Austin to San Diego with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Austin to San Diego

Cheapest flights from Austin to San DiegoExplore 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 March 27, 2025.

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 March 27, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Austin to San Diego that are best for you.

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 March.

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.

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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 March 21, 2025.

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

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 March 27, 2025.

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 23, 2025.

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 March 27, 2025.

Rainfall in San Diego by month

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

Temperature in San Diego by month

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

Reviews of airlines servicing San Diego

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?

How popular is this Austin to San Diego flight route?

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

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

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

What are the cheapest flights from Austin to San Diego?

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

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

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

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

Traveling to a place near Austin?

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Alternative routes for Austin to San Diego

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Top 8 airlines flying from Austin to San Diego

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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 March 27, 2025.