Cheap flights from Austin to San Diego (AUS - SAN) from $43

This is the cheapest one-way flight price, found on 9/20. Prices may vary by date and flight preferences.
AUS — SAN
Sep 26 — Oct 31

The best prices from Austin Bergstrom to San Diego are usually found in October or September, booked 54 days in advance, depart on a Saturday or Wednesday and return on a Saturday

How to find the cheapest flight from Austin (AUS) to San Diego (SAN)

All the information you need to plan the best AUS to SAN flight in 2023: compare Austin to San Diego flight prices with the expected peak season, weather and rainfall in San Diego.

Popular in

March

Cheapest in

October

Round-trip from

$278

One-way from

$94
High demand for flights, 22% potential price rise
Best time to find cheap flights, 23% potential price drop
From Austin Bergstrom to San Diego
One-way flight from Austin Bergstrom to San Diego

AUS - SAN

Price

$278 - $536

SAN

Temperature

57.2 - 71.6 °F

SAN

Rainfall

0 - 2.3 inches

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 50 days in advance, which can save you up to 66% on flights from Austin to San Diego compared to booking the week you need them. Waiting 50 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 $297. For sooner than that we have options available in the next 3 days from $384.

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

October can be a great time to fly to San Diego from Austin with a flight ticket averaging about $243. Cheapflights users have found deals in the month of October for as cheap as $120. The most expensive prices can be found in the month of March.

When is the cheapest time to fly from Austin to San Diego (AUS - SAN)?

It’s optimal to fly from Austin to San Diego in the morning. By choosing this option you can save up to 17% on the cost of your flight, compared to a flight in the afternoon.

Cheap Spirit Airlines flights from Austin to San Diego

Find some of the cheapest Spirit Airlines flights traveling from Austin to San Diego. Deals update often to give you more flight options matching your criteria
  • If you’re traveling from Austin to San Diego, one of the more common airlines traveling that route is Spirit Airlines. Austin to San Diego flights are typically 29% cheaper than other airlines traveling the same route. Flights from Spirit Airlines typically cost $257.81 RT. The cheapest Spirit Airlines flight found for this route was $119. When traveling from Austin to San Diego on Spirit Airlines, the most popular airport to depart from is Austin Bergstrom Airport and the most popular airport to arrive at is San Diego Airport. When flying from Austin to San Diego, Spirit Airlines flights are 13% more popular than any other airline flying that same route.

Cheap American Airlines flights from Austin to San Diego

Some of the best deals we've found on American Airlines flights traveling from Austin to San Diego. Deals are refreshing constantly so come back soon for more options.
  • If you’re traveling from Austin to San Diego, one of the more common airlines traveling that route is American Airlines. Flights from American Airlines traveling this route typically cost $128.00 RT. This price is typically 154% more expensive than other airlines that offer Austin to San Diego flights. When booking this route, the cheapest RT price found was $55. The most popular departure airport in Austin when flying to San Diego is Austin Bergstrom Airport. The most popular airport to fly into when visiting San Diego is San Diego Airport. When flying from Austin to San Diego, American Airlines flights are 6% more popular than any other airline flying that same route.

Cheap Austin to San Diego flights in September & October 2023

The best prices found for AUS to SAN flights for September, October
Listed are some of the best fares we've found on flights departing from Austin to San Diego in 2023. More deals are always being added, so be sure to check back regularly.

Austin to San Diego 2023 flight deals

Cheap flights to San Diego from Austin found for this year
Listed are some of the best fares we've found on flights departing from Austin to San Diego in 2023. More deals are always being added, so be sure to check back regularly.

Non-stop flights to San Diego from Austin

Save time with Austin to San Diego direct flight deals
For a quicker trip, book one of these direct flights from Austin to San Diego. Users can also choose from other Austin to San Diego flights by using the search form above.

Austin to San Diego flights leaving soon

Late deals on return flights to San Diego from Austin, departing today and this week
Check out these flights departing soon from Austin to San Diego. It's wise to confirm all flight details are correct before booking.

One-way flights to San Diego from Austin

The cheapest one-way flights from Austin to San Diego
Some of the best available deals we've found on one-way flights from Austin to San Diego. Those needing a return flight from Austin to San Diego can use the search form above.

Find flights from Austin to San Diego within your budget

Use the slider to find flights from Austin to San Diego that fit your budget.

Fly from

Any airport

Fly to

Any airport

Budget

$74 - $226

Route

Depart

Return

Price

Austin BergstromSan Diego

AUS - SAN

AUSSAN

Austin Bergstrom

Tue 10/10

1 stop15h 15m

San Diego

Wed 10/11

1 stop12h 31m

Austin BergstromSan Diego

AUS - SAN

AUSSAN

Austin Bergstrom

Tue 10/10

2 stops23h 35m

San Diego

Wed 10/11

1 stop13h 40m

Austin BergstromSan Diego

AUS - SAN

AUSSAN

Austin Bergstrom

Mon 10/2

1 stop11h 29m

San Diego

Tue 10/3

2 stops20h 27m

Austin BergstromSan Diego

AUS - SAN

AUSSAN

Austin Bergstrom

Thu 11/9

1 stop13h 53m

San Diego

Mon 11/13

1 stop16h 37m

Austin BergstromSan Diego

AUS - SAN

AUSSAN

Austin Bergstrom

Mon 10/30

2 stops18h 32m

San Diego

Thu 11/2

1 stop6h 38m

Austin BergstromSan Diego

AUS - SAN

AUSSAN

Austin Bergstrom

Fri 12/15

1 stop4h 48m

San Diego

Wed 1/10

1 stop4h 44m

Austin BergstromSan Diego

AUS - SAN

AUSSAN

Austin Bergstrom

Fri 10/20

Nonstop3h 06m

San Diego

Fri 10/27

Nonstop3h 00m

Austin BergstromSan Diego

AUS - SAN

AUSSAN

Austin Bergstrom

Tue 10/3

1 stop8h 28m

San Diego

Tue 10/10

1 stop8h 27m

Austin BergstromSan Diego

AUS - SAN

AUSSAN

Austin Bergstrom

Tue 11/7

Nonstop3h 05m

San Diego

Thu 11/9

Nonstop2h 40m

Flights are sorted by cheapest first

Deals found on 9/20

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 Spirit Airlines, American Airlines and Alaska Airlines. 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.
Alaska Airlines
8.1
Very good
1,393 reviews

Crew

8.6

Food

7.2

Comfort

8.0

Overall

8.1

Boarding

8.3

Entertainment

7.2

Reviews

1 / 10

The line at TSA took me 2.5-3 hours to get through and I was behind on my flight time by 20 minutes. I was told some flights would be delayed and they would wait but when I arrived the flight had already taken off. I showed up on time and even then 2 and a half hours was not enough time to make my flight. I had to rent a car and drive from Vegas to San Diego at 8:00pm. I just hoped the airport would have notified their passengers a lot better.

Alaska Airlines
8.1
Very good
1,393 reviews
Alaska Airlines
8.1
Very good
1,393 reviews

Crew

8.6

Food

7.2

Comfort

8.0

Overall

8.1

Boarding

8.3

Entertainment

7.2

Reviews

1 / 10

The line at TSA took me 2.5-3 hours to get through and I was behind on my flight time by 20 minutes. I was told some flights would be delayed and they would wait but when I arrived the flight had already taken off. I showed up on time and even then 2 and a half hours was not enough time to make my flight. I had to rent a car and drive from Vegas to San Diego at 8:00pm. I just hoped the airport would have notified their passengers a lot better.

Delta
7.9
Good
3,018 reviews
Alaska Airlines
8.1
Very good
1,393 reviews

Crew

8.6

Food

7.2

Comfort

8.0

Overall

8.1

Boarding

8.3

Entertainment

7.2

Reviews

1 / 10

The line at TSA took me 2.5-3 hours to get through and I was behind on my flight time by 20 minutes. I was told some flights would be delayed and they would wait but when I arrived the flight had already taken off. I showed up on time and even then 2 and a half hours was not enough time to make my flight. I had to rent a car and drive from Vegas to San Diego at 8:00pm. I just hoped the airport would have notified their passengers a lot better.

Southwest
7.6
Good
1,521 reviews
Alaska Airlines
8.1
Very good
1,393 reviews

Crew

8.6

Food

7.2

Comfort

8.0

Overall

8.1

Boarding

8.3

Entertainment

7.2

Reviews

1 / 10

The line at TSA took me 2.5-3 hours to get through and I was behind on my flight time by 20 minutes. I was told some flights would be delayed and they would wait but when I arrived the flight had already taken off. I showed up on time and even then 2 and a half hours was not enough time to make my flight. I had to rent a car and drive from Vegas to San Diego at 8:00pm. I just hoped the airport would have notified their passengers a lot better.

United Airlines
7.4
Good
1,890 reviews
Alaska Airlines
8.1
Very good
1,393 reviews

Crew

8.6

Food

7.2

Comfort

8.0

Overall

8.1

Boarding

8.3

Entertainment

7.2

Reviews

1 / 10

The line at TSA took me 2.5-3 hours to get through and I was behind on my flight time by 20 minutes. I was told some flights would be delayed and they would wait but when I arrived the flight had already taken off. I showed up on time and even then 2 and a half hours was not enough time to make my flight. I had to rent a car and drive from Vegas to San Diego at 8:00pm. I just hoped the airport would have notified their passengers a lot better.

American Airlines
7.2
Good
2,635 reviews
Alaska Airlines
8.1
Very good
1,393 reviews

Crew

8.6

Food

7.2

Comfort

8.0

Overall

8.1

Boarding

8.3

Entertainment

7.2

Reviews

1 / 10

The line at TSA took me 2.5-3 hours to get through and I was behind on my flight time by 20 minutes. I was told some flights would be delayed and they would wait but when I arrived the flight had already taken off. I showed up on time and even then 2 and a half hours was not enough time to make my flight. I had to rent a car and drive from Vegas to San Diego at 8:00pm. I just hoped the airport would have notified their passengers a lot better.

Related info for your journey

Useful info, stats and facts about Austin to San Diego flights.

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 8 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 3h 01m.

Can I find flights from Austin to San Diego for under $100 on Cheapflights?

Yes, there are multiple flights from Austin to San Diego for under $100. The cheapest flight booked recently is on Spirit Airlines for just $74, but on average you can expect to pay $109.

Are there nonstop flights from Austin to San Diego for under $200 on Cheapflights?

Cheapflights has at least 20 direct flights from Austin to San Diego under $200. A good price for a nonstop flight from Austin to San Diego is less than $281.

Are there last-minute flights available from Austin to San Diego for under $200?

There are currently 20+ open flights from Austin to San Diego within the next 7 days for less than $200.

What days are nonstop flights available from Austin to San Diego?

You can find nonstop flights on the following days: Monday, Tuesday, Saturday.

How popular is this Austin to San Diego flight route?

How many flights depart from Austin to San Diego on average per day?

2 flight departures from Austin to San Diego per day on average.
Evening (6pm - Midnight) - 100% of flight departures

How long is the flight from Austin to San Diego?

For as low as $74, Spirit Airlines can have you in San Diego from Austin in 15h 15m. The distance between Austin and San Diego is about 1168 mi.

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

According to our current data, Spirit Airlines ($74), offers the cheapest pricing from Austin to San Diego. Users have found that Spirit Airlines is 69% 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 ($54), Frontier ($55), and Alaska Airlines ($99).

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

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: SkyWest Airlines (100%), Alaska Airlines (91%), Allegiant Air( 88%).

What are the cheapest flights from Austin to San Diego?

While on average a flight from Austin to San Diego is generally $438, our data shows the cheapest flight currently is $99. When looking at the most popular route, (Austin Bergstrom - San Diego), you can expect to pay $74 for that flight.

What does AUS to SAN mean?

Austin Bergstrom Airport is AUS and San Diego Airport is SAN. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service.

Alternative routes for Austin to San Diego

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

Top 7 airlines flying from Austin to San Diego

The chart below displays the airlines Cheapflights users traveling from Austin to San Diego choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$55Average$128FlexibilityNo cancel feeOn-time88%
Search Allegiant Air flights
Spirit AirlinesCheapest$102Average$173FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
FrontierCheapest$105Average$163FlexibilityNo cancel feeOn-time62%
Search Frontier flights
Alaska AirlinesCheapest$119Average$258FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
United AirlinesCheapest$129Average$281FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest$206Average$397FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
DeltaCheapest$213Average$312FlexibilityNo cancel feeOn-timeN/A
Search Delta flights

Hourly flight availability from Austin to San Diego

See what time of day planes typically take off from Austin to San Diego
1%of flight departuresEarly morningMidnight to 6 am
31%of flight departuresMorning6 am to noon
22%of flight departuresAfternoonNoon to 6 pm
46%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from Austin to San Diego

See how many times per day planes take to the skies headed from Austin to San Diego
Sunday9daily flights
Monday9daily flights
Tuesday7daily flights
Wednesday7daily flights
Thursday10daily flights
Friday9daily flights
Saturday6daily flights
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