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Cheap flights from San Francisco to Austin from £90

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 12/9. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — AUS
29 Aug — 5 Sep1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from San Francisco to Austin Bergstrom are usually found in September or October, booked 82 days in advance, depart on a Tuesday or Monday and return on a Monday

Cheap flight deals from San Francisco to Austin

Enter your travel dates to find the best prices.

Cheapest flights from San Francisco to Austin
Explore the most affordable flight options available from San Francisco to Austin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 July 2026.

Wed 21/1009:59
SFO
-
AUS
Nonstop3h 33m
Delta
Tue 27/1007:10
AUS
-
SFO
Nonstop3h 54m
Delta
Deal found 28/7£163
Fri 18/922:24
SFO
-
AUS
1 stop14h 13m
Frontier
Wed 23/915:32
AUS
-
SFO
1 stop21h 23m
Frontier
Deal found 29/7£165
Thu 20/810:05
SFO
-
AUS
Nonstop3h 30m
Southwest
Wed 26/812:10
AUS
-
SFO
Nonstop3h 40m
Southwest
Deal found 29/7£166
Thu 20/818:09
SFO
-
AUS
Nonstop3h 32m
Delta
Wed 26/807:10
AUS
-
SFO
Nonstop3h 37m
Delta
Deal found 30/7£167
Thu 20/818:25
SFO
-
AUS
Nonstop3h 34m
United Airlines
Mon 24/819:38
AUS
-
SFO
Nonstop3h 50m
United Airlines
Deal found 29/7£169
Wed 26/811:15
SFO
-
AUS
2 stops9h 50m
Southwest
Wed 2/912:10
AUS
-
SFO
Nonstop3h 40m
Southwest
Deal found 29/7£175
Thu 17/909:00
SFO
-
AUS
2 stops25h 30m
Frontier
Tue 22/915:32
AUS
-
SFO
1 stop18h 42m
Frontier
Deal found 29/7£176
Thu 20/810:05
SFO
-
AUS
Nonstop3h 30m
Southwest
Mon 24/806:10
AUS
-
SFO
1 stop5h 10m
Southwest
Deal found 29/7£177
Wed 30/905:50
SFO
-
AUS
1 stop8h 35m
Southwest
Wed 30/917:55
AUS
-
SFO
1 stop5h 25m
Southwest
Deal found 29/7£178

Find flight deals from San Francisco to Austin

Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) 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 30 July 2026.

Round-trip from

£163

One-way from

£90

Popular in

June

Cheapest in

September

Average price

£255
Delta
  • Delta
  • 30/9-7/10
  • Nonstop
  • 7h 28m total
  • San Francisco to Austin
Search Deals
United Airlines
  • United Airlines
  • 12/12
  • Nonstop
  • 3h 40m total
  • San Francisco to Austin
Search Deals
Highest demand for flights based on searches. 9% 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 July 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from San Francisco 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 30 July 2026.
Use the filters below to find and compare flights from San Francisco to Austin that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

San FranciscoAustin

SFO - AUS

SFOAUS

San Francisco

Tue 22/9

09:59-15:33

Nonstop3h 34m

Austin Bergstrom

Wed 30/9

07:05-08:54

Nonstop3h 49m

£163
Fastest return journey

San FranciscoAustin

SFO - AUS

SFOAUS

San Francisco

Thu 20/8

18:09-23:41

Nonstop3h 32m

Austin Bergstrom

Wed 26/8

07:10-08:47

Nonstop3h 37m

£166

San FranciscoAustin

SFO - AUS

SFOAUS

San Francisco

Thu 24/9

23:59-05:46

Nonstop3h 47m

Austin Bergstrom

Sat 26/9

20:55-22:47

Nonstop3h 52m

£169

San FranciscoAustin

SFO - AUS

SFOAUS

San Francisco

Thu 20/8

18:09-23:41

Nonstop3h 32m

Austin Bergstrom

Mon 24/8

07:10-08:47

Nonstop3h 37m

£169

San FranciscoAustin

SFO - AUS

SFOAUS

San Francisco

Thu 24/9

17:59-23:26

Nonstop3h 27m

Austin Bergstrom

Sat 26/9

07:05-08:54

Nonstop3h 49m

£169

San FranciscoAustin

SFO - AUS

SFOAUS

San Francisco

Thu 17/9

14:00-00:15

1 stop8h 15m

Austin Bergstrom

Wed 23/9

17:00-18:45

Nonstop3h 45m

£174

San FranciscoAustin

SFO - AUS

SFOAUS

San Francisco

Thu 17/9

14:30-23:25

1 stop6h 55m

Austin Bergstrom

Tue 22/9

07:05-08:54

Nonstop3h 49m

£174

San FranciscoAustin

SFO - AUS

SFOAUS

San Francisco

Tue 22/9

11:15-23:10

2 stops9h 55m

Austin Bergstrom

Wed 30/9

12:10-13:50

Nonstop3h 40m

£175

San FranciscoAustin

SFO - AUS

SFOAUS

San Francisco

Sat 12/9

09:59-15:33

Nonstop3h 34m

Austin Bergstrom

Tue 15/9

17:07-23:57

1 stop8h 50m

£177

San FranciscoAustin

SFO - AUS

SFOAUS

San Francisco

Thu 17/9

11:58-20:48

1 stop6h 50m

Austin Bergstrom

Mon 21/9

15:12-17:04

Nonstop3h 52m

£177

Flights are sorted by cheapest return flights first.

Deals found on 30/7

Showing 1-10 of 22 resultsSorted by cheapest first
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Best time to book a flight from San Francisco to Austin

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

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

The best time to book flights from San Francisco to Austin is 90 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 Francisco to Austin?

Currently, September is the cheapest month in which you can book a flight from San Francisco to Austin (average of £223). Flying from San Francisco to Austin in June is currently the most expensive (average of £319). 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 SFO to AUS?

Find hourly flight availability from San Francisco 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 July 2026.

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

How much does it cost for a return flight from San Francisco to Austin?

Airfare is below average for this route at the moment.

San Francisco to Austin flights typically cost between £166 and £336 in October.
The cheapest return price found within the last 5 days was £163 on Delta (21 Oct–27 Oct).

Related info for your journey

Find useful and relevant information for your journey from San Francisco to Austin. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    The San Francisco to Austin Bergstrom flight path was viewed by 3 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from San Francisco to Austin?

    A quick flight from San Francisco to Austin can take about 3h 34m. Delta provides one of the quickest options available for as low as £163. The distance between San Francisco and Austin is about 1500 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    Consider SkyWest Airlines (100%), Air China (88%) or United Airlines (75%) when booking your flight. These represent the most reliable airlines when flying from San Francisco to Austin.

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

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

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

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

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

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

    Currently, September is the cheapest month in which you can book a flight from San Francisco to Austin (average of £223). Flying from San Francisco to Austin in June is currently the most expensive (average of £319). 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 Austin?

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

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

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from San Francisco to Austin flexibly with Cheapflights today.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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