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 £162. Other airlines that can offer you cheap pricing are United Airlines, from £173, and Delta, from £177. Southwest is priced at 27% 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 Alaska Airlines, with whom users have recently found tickets for as low as £81. However, be on the lookout for offers from United Airlines and Delta, 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 Sun Country Air (100%), Southwest (77%) and SkyWest Airlines (70%).

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

To save on the cost of your flight from San Diego to Austin, book at least 61 days before your planned departure. Booking around this time can save you about 132% on the cost of this flight compared to booking a flight leaving this week. We have found prices from £287 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as £475.

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

The best pricing can be found in the month of September. Prices to Austin from San Diego average £222. You can even find prices in September for less than £222, as users have found deals to Austin from as low as £102. The month of April appears to be one of the more expensive times to travel to Austin from San Diego. Flying in the targeted month can save you up to 21%.

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.

£81+ Flights from San Diego to Austin

Cheap flight deals from San Diego to Austin

Round-trip from	£162
One-way from	£81
Popular in	April
Cheapest in	September
Average price	£271

Southwest
30/5-1/6
Nonstop
5h 50m total
San Diego to Austin

Search Deals

Alaska Airlines
21/5
Nonstop
2h 58m total
San Diego to Austin

Search Deals

Highest demand for flights based on searches. 11% potential increase in price (£22 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£4 potential savings vs. average return price).

Search Deals

Average for round-trip flights in April 2025

Search Deals

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 30 April 2025.

Fri 30/507:35SAN - AUS

Nonstop2h 45mSouthwest

Sun 1/606:00AUS - SAN

Nonstop3h 05mSouthwest

Deal found 29/4£162

Thu 22/515:25SAN - AUS

1 stop5h 39mUnited Airlines

Sat 24/512:50AUS - SAN

1 stop6h 24mUnited Airlines

Deal found 29/4£173

Sat 31/506:15SAN - AUS

1 stop7h 06mDelta

Tue 10/612:12AUS - SAN

1 stop8h 31mDelta

Deal found 29/4£177

Thu 19/617:48SAN - AUS

Nonstop3h 11mMultiple Airlines

Mon 23/620:09AUS - SAN

1 stop5h 20mMultiple Airlines

Deal found 29/4£182

Sat 31/517:48SAN - AUS

Nonstop2h 58mHawaiian Airlines

Tue 10/614:46AUS - SAN

Nonstop3h 18mHawaiian Airlines

Deal found 29/4£184

Wed 28/509:07SAN - AUS

Nonstop2h 59mAlaska Airlines

Sat 31/516:08AUS - SAN

1 stop17h 31mAlaska Airlines

Deal found 29/4£186

Thu 19/617:50SAN - AUS

2 stops27h 34mSpirit Airlines

Mon 23/607:15AUS - SAN

3 stops42h 14mSpirit Airlines

Deal found 29/4£237

Best flights from San Diego to Austin
Discover carefully curated flight deals from San Diego to Austin that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 April 2025.

Fri 30/507:35SAN - AUS

Nonstop2h 45mSouthwest

Sun 1/606:00AUS - SAN

Nonstop3h 05mSouthwest

Deal found 29/4£162

Thu 22/515:25SAN - AUS

1 stop5h 39mUnited Airlines

Sat 24/512:50AUS - SAN

1 stop6h 24mUnited Airlines

Deal found 29/4£173

Sat 31/506:15SAN - AUS

1 stop7h 06mDelta

Tue 10/612:12AUS - SAN

1 stop8h 31mDelta

Deal found 29/4£177

Thu 19/617:48SAN - AUS

Nonstop3h 11mMultiple Airlines

Mon 23/620:09AUS - SAN

1 stop5h 20mMultiple Airlines

Deal found 29/4£182

Sat 31/517:48SAN - AUS

Nonstop2h 58mHawaiian Airlines

Tue 10/614:46AUS - SAN

Nonstop3h 18mHawaiian Airlines

Deal found 29/4£184

Wed 28/509:07SAN - AUS

Nonstop2h 59mAlaska Airlines

Sat 31/516:08AUS - SAN

1 stop17h 31mAlaska Airlines

Deal found 29/4£186

Thu 19/617:50SAN - AUS

2 stops27h 34mSpirit Airlines

Mon 23/607:15AUS - SAN

3 stops42h 14mSpirit Airlines

Deal found 29/4£237

Direct flights from San Diego to Austin
Explore direct flight options from San Diego to Austin based on user searches, and compare prices and availability for your desired travel dates. Data last updated 30 April 2025.

Fri 30/507:35SAN - AUS

Nonstop2h 45mSouthwest

Sun 1/606:00AUS - SAN

Nonstop3h 05mSouthwest

Deal found 29/4£162

Sat 31/517:48SAN - AUS

Nonstop2h 58mHawaiian Airlines

Tue 10/614:46AUS - SAN

Nonstop3h 18mHawaiian Airlines

Deal found 29/4£184

Fri 30/517:48SAN - AUS

Nonstop2h 58mAlaska Airlines

Tue 10/614:46AUS - SAN

Nonstop3h 18mAlaska Airlines

Deal found 29/4£207

Last-minute flights from San Diego to Austin
Discover last-minute flight deals from San Diego to Austin. Data last updated 30 April 2025 and is based on user searches.

Mon 5/520:59SAN - AUS

2 stops19h 28mAlaska Airlines

Thu 8/508:45AUS - SAN

2 stops12h 24mAlaska Airlines

Deal found 29/4£383

Thu 8/513:25SAN - AUS

2 stops8h 29mUnited Airlines

Fri 9/518:02AUS - SAN

1 stop6h 17mUnited Airlines

Deal found 28/4£359

Sat 10/508:42SAN - AUS

Nonstop3h 00mHawaiian Airlines

Thu 15/506:00AUS - SAN

Nonstop3h 20mHawaiian Airlines

Deal found 28/4£408

Thu 22/515:25SAN - AUS

1 stop5h 39mUnited Airlines

Sat 24/512:50AUS - SAN

1 stop6h 24mUnited Airlines

Deal found 29/4£173

Wed 28/509:07SAN - AUS

Nonstop2h 59mAlaska Airlines

Sat 31/516:08AUS - SAN

1 stop17h 31mAlaska Airlines

Deal found 29/4£186

Fri 30/507:35SAN - AUS

Nonstop2h 45mSouthwest

Sun 1/606:00AUS - SAN

Nonstop3h 05mSouthwest

Deal found 29/4£162

Sat 31/506:15SAN - AUS

1 stop7h 06mDelta

Tue 10/612:12AUS - SAN

1 stop8h 31mDelta

Deal found 29/4£177

Sat 31/517:48SAN - AUS

Nonstop2h 58mHawaiian Airlines

Tue 10/614:46AUS - SAN

Nonstop3h 18mHawaiian Airlines

Deal found 29/4£184

One-way flights from San Diego to Austin
Search for one-way flight options from San Diego to Austin. Find affordable one-way fares based on user searches. Data last updated 30 April 2025.

Wed 21/517:48SAN - AUS

Nonstop2h 58mAlaska Airlines

Deal found 29/4£81

Sat 31/515:25SAN - AUS

1 stop5h 39mUnited Airlines

Deal found 29/4£85

Fri 23/517:02SAN - AUS

1 stop5h 29mDelta

Deal found 29/4£89

Mon 2/617:48SAN - AUS

Nonstop2h 58mHawaiian Airlines

Deal found 29/4£104

Mon 26/507:35SAN - AUS

Nonstop2h 45mSouthwest

Deal found 29/4£115

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

San DiegoAustin

SAN - AUS

SANAUS

San Diego

Fri 30/5

07:35-12:20

Nonstop2h 45m

Austin Bergstrom

Sun 1/6

06:00-07:05

Nonstop3h 05m

£162

San DiegoAustin

SAN - AUS

SANAUS

San Diego

Thu 22/5

15:25-23:04

1 stop5h 39m

Austin Bergstrom

Sat 24/5

12:50-17:14

1 stop6h 24m

£173

San DiegoAustin

SAN - AUS

SANAUS

San Diego

Sat 31/5

06:15-15:21

1 stop7h 06m

Austin Bergstrom

Tue 10/6

12:12-18:43

1 stop8h 31m

£177

San DiegoAustin

SAN - AUS

SANAUS

San Diego

Thu 19/6

17:48-22:59

Nonstop3h 11m

Austin Bergstrom

Mon 23/6

20:09-23:29

1 stop5h 20m

£182

San DiegoAustin

SAN - AUS

SANAUS

San Diego

Sat 31/5

17:48-22:46

Nonstop2h 58m

Austin Bergstrom

Tue 10/6

14:46-16:04

Nonstop3h 18m

£184

San DiegoAustin

SAN - AUS

SANAUS

San Diego

Wed 28/5

09:07-14:06

Nonstop2h 59m

Austin Bergstrom

Sat 31/5

16:08-07:39

1 stop17h 31m

£186

San DiegoAustin

SAN - AUS

SANAUS

San Diego

Thu 19/6

17:50-23:24

2 stops27h 34m

Austin Bergstrom

Mon 23/6

07:15-23:29

3 stops42h 14m

£237

San DiegoAustin

SAN - AUS

SANAUS

San Diego

Wed 21/5

17:48-22:46

Nonstop2h 58m

£81

San DiegoAustin

SAN - AUS

SANAUS

San Diego

Sat 31/5

15:25-23:04

1 stop5h 39m

£85

San DiegoAustin

SAN - AUS

SANAUS

San Diego

Fri 23/5

17:02-00:31

1 stop5h 29m

£89

Flights are sorted by cheapest return flights first.

Deals found on 29/4

Showing 1-10 of 12 results

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?

The best time to book flights from San Diego to Austin is 85 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?

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

The most flights from SAN to AUS are scheduled on a Monday (12 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

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

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 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

9,968 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Alaska Airlines

8.0

Very Good

9,968 reviews

Alaska Airlines

8.0

Very Good

9,968 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Southwest

8.0

Very Good

4,295 reviews

Alaska Airlines

8.0

Very Good

9,968 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Delta

8.0

Very Good

7,934 reviews

Alaska Airlines

8.0

Very Good

9,968 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Hawaiian Airlines

7.9

Good

2,405 reviews

Alaska Airlines

8.0

Very Good

9,968 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

United Airlines

7.4

Good

8,696 reviews

Alaska Airlines

8.0

Very Good

9,968 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

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 £162. Other airlines that can offer you cheap pricing are United Airlines, from £173, and Delta, from £177. Southwest is priced at 27% 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 Alaska Airlines, with whom users have recently found tickets for as low as £81. However, be on the lookout for offers from United Airlines and Delta, 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 Sun Country Air (100%), Southwest (77%) and SkyWest Airlines (70%).
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

Round Rock

Browse thousands of different options on Cheapflights for your next trip

Fly with Cheapflights

How does Cheapflights help users find flights from San Diego to Austin?

Deals for San Diego to Austin flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from San Diego to Austin?

Cheapflights helps you find that perfect flight to Austin from San Diego by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from San Diego to Austin with no change fees?

Yes! Cheapflights helps users easily find flights from San Diego to Austin with no change fees.

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from San Diego to Austin from £81

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 21/5. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from San Diego to Austin

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from San Diego to Austin

Cheapest flights from San Diego to AustinExplore 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 30 April 2025.

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 30 April 2025.

Cheapflights Fare Finder

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

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.

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 25 April 2025.

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

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 30 April 2025.

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 30 April 2025.

Rainfall in Austin by month

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

Temperature in Austin by month

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

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 30 April 2025.

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?

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

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

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

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

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

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

Travelling to a place near San Diego?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for San Diego to Austin

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

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from San Diego to Austin?

Why should you use Cheapflights to find cheap flight tickets from San Diego to Austin?

Can Cheapflights find flights from San Diego to Austin with no change fees?

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

100% Free

Book with Flexibility

Travel Smart

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 30 April 2025.