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Cheap flights from San Diego to Austin from £91

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 19/4. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — AUS
30 Mar — 6 Apr1
1 adult

Cheap 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 25 March 2025.

Round-trip from

£172

One-way from

£91

Popular in

March

Cheapest in

September

Average price

£285
Southwest
  • Southwest
  • 25/4-27/4
  • 1 total stop
  • 8h 15m total
  • San Diego to Austin
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Southwest
  • Southwest
  • 19/4
  • 1 total stop
  • 5h 45m total
  • San Diego to Austin
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (£21 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£5 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2025
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Find 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 25 March 2025.

Fri 25/413:55SAN - AUS
1 stop5h 10mSouthwest
Sun 27/406:00AUS - SAN
Nonstop3h 05mSouthwest
Deal found 23/3£172
Tue 29/417:22SAN - AUS
Nonstop2h 58mAlaska Airlines
Mon 5/508:45AUS - SAN
1 stop7h 47mAlaska Airlines
Deal found 24/3£183
Sat 19/410:00SAN - AUS
1 stop5h 38mDelta
Sun 20/405:20AUS - SAN
1 stop5h 36mDelta
Deal found 25/3£184
Tue 22/406:15SAN - AUS
2 stops7h 11mUnited Airlines
Fri 25/418:10AUS - SAN
1 stop6h 23mUnited Airlines
Deal found 25/3£188
Tue 22/408:42SAN - AUS
Nonstop3h 00mHawaiian Airlines
Fri 25/406:03AUS - SAN
Nonstop3h 17mHawaiian Airlines
Deal found 25/3£191

Cheapflights Fare Finder

Customise 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 858,174 searches. Data last updated 25 March 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

Fri 25/4

13:55-21:05

1 stop5h 10m

Austin Bergstrom

Sun 27/4

06:00-07:05

Nonstop3h 05m

£172

San DiegoAustin

SAN - AUS

SANAUS

San Diego

Tue 29/4

13:30-20:53

1 stop5h 23m

Austin Bergstrom

Mon 5/5

19:04-23:43

1 stop6h 39m

£183

San DiegoAustin

SAN - AUS

SANAUS

San Diego

Tue 22/4

06:15-15:26

2 stops7h 11m

Austin Bergstrom

Fri 25/4

18:10-22:33

1 stop6h 23m

£188

San DiegoAustin

SAN - AUS

SANAUS

San Diego

Tue 22/4

08:42-13:42

Nonstop3h 00m

Austin Bergstrom

Fri 25/4

06:03-07:20

Nonstop3h 17m

£191

San DiegoAustin

SAN - AUS

SANAUS

San Diego

Sat 26/4

08:42-13:42

Nonstop3h 00m

Austin Bergstrom

Fri 2/5

06:03-07:20

Nonstop3h 17m

£222

San DiegoAustin

SAN - AUS

SANAUS

San Diego

Sat 19/4

11:25-19:10

1 stop5h 45m

£91

San DiegoAustin

SAN - AUS

SANAUS

San Diego

Sat 26/4

06:15-13:41

1 stop5h 26m

£92

San DiegoAustin

SAN - AUS

SANAUS

San Diego

Sun 18/5

06:15-15:21

1 stop7h 06m

£93

San DiegoAustin

SAN - AUS

SANAUS

San Diego

Thu 8/5

17:22-22:20

Nonstop2h 58m

£108

San DiegoAustin

SAN - AUS

SANAUS

San Diego

Tue 1/4

06:15-12:41

2 stops28h 26m

£121

Flights are sorted by cheapest return flights first.

Deals found on 24/3

Showing 1-10 of 11 results
1
2

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 return 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 return flight from San Diego to Austin. Price data was last updated on 21 March 2025.

The best time to book flights from San Diego to Austin is 83 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 San Diego to Austin?

Currently, February is the cheapest month in which you can book a flight from San Diego to Austin (average of £636). Flying from San Diego to Austin in July is currently the most expensive (average of £901). 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 25 March 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from San Diego to Austin as you normally would.

Weekly flight availability from San Diego to Austin

Explore weekly flight availability from San Diego to Austin. 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 25 March 2025.

The most flights from SAN to AUS are scheduled on a Monday (11 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (4 on average).

Rainfall in Austin by month

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

In terms of precipitation, rainfall in Austin ranges from 53.0 - 107.0 inches per month. May is typically the wettest month, when rainfall can reach 107.0 mm. July is typically the driest time to visit Austin when rainfall is around 53.0 mm.

Temperature in Austin by month

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

If weather is an important factor for your trip to Austin, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 29.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 10.0 C).

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 25 March 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest and Delta from San Diego to Austin by reading reviews from past customers. 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
8.0
Very Good
9,789 reviews
Check prices

Comfort

7.9

Entertainment

7.1

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very Good
9,789 reviews
Alaska Airlines
8.0
Very Good
9,789 reviews
Check prices

Comfort

7.9

Entertainment

7.1

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Southwest
8.0
Very Good
4,272 reviews
Alaska Airlines
8.0
Very Good
9,789 reviews
Check prices

Comfort

7.9

Entertainment

7.1

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very Good
7,890 reviews
Alaska Airlines
8.0
Very Good
9,789 reviews
Check prices

Comfort

7.9

Entertainment

7.1

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Hawaiian Airlines
7.9
Good
2,331 reviews
Alaska Airlines
8.0
Very Good
9,789 reviews
Check prices

Comfort

7.9

Entertainment

7.1

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,605 reviews
Alaska Airlines
8.0
Very Good
9,789 reviews
Check prices

Comfort

7.9

Entertainment

7.1

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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

    Cheapflights users have booked flights from San Diego to Austin round-trip from £172. Other airlines that can offer you cheap pricing are Delta, from £183, and United Airlines, from £188. Southwest is priced at 26% 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?

    The cheapest airline one-way is Southwest, with whom users have recently found tickets for as low as £91. However, be on the lookout for offers from Delta and United Airlines, as they are both options that can get you from San Diego to Austin for a low price.

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

    The top 3 most reliable airlines when flying from San Diego to Austin are Southwest (83%), SkyWest Airlines (68%) and Alaska Airlines (68%).

  • 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 holiday 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, February is the cheapest month in which you can book a flight from San Diego to Austin (average of £636). Flying from San Diego to Austin in July is currently the most expensive (average of £901). 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

Travelling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
Round Rock

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Can Cheapflights notify me if prices for flights from San Diego to Austin become cheaper?

Yes! Start tracking prices for San Diego to Austin flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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