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Cheap flights from San Francisco to Austin from £63

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 17/4. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — AUS
28 Feb — 7 Mar1
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 70 days in advance, depart on a Tuesday or Wednesday 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 29 January 2026.

Tue 3/316:15
SFO
-
AUS
Nonstop3h 29m
United Airlines
Thu 19/313:30
AUS
-
SFO
Nonstop4h 05m
United Airlines
Deal found 28/1£128
Thu 19/212:55
SFO
-
AUS
Nonstop3h 25m
Southwest
Tue 24/211:45
AUS
-
SFO
Nonstop4h 00m
Southwest
Deal found 29/1£130
Wed 25/213:05
SFO
-
AUS
Nonstop3h 29m
United Airlines
Wed 4/307:37
AUS
-
SFO
Nonstop4h 08m
United Airlines
Deal found 26/1£130
Thu 19/213:57
SFO
-
AUS
Nonstop3h 37m
Delta
Wed 25/218:40
AUS
-
SFO
1 stop6h 24m
Delta
Deal found 29/1£131
Wed 25/212:50
SFO
-
AUS
Nonstop3h 25m
Southwest
Fri 27/219:50
AUS
-
SFO
1 stop6h 15m
Southwest
Deal found 26/1£133
Tue 10/307:10
SFO
-
AUS
1 stop6h 25m
Southwest
Wed 11/317:00
AUS
-
SFO
1 stop7h 05m
Southwest
Deal found 28/1£134
Wed 1/408:30
SFO
-
AUS
Nonstop3h 25m
Southwest
Mon 6/417:25
AUS
-
SFO
1 stop7h 55m
Southwest
Deal found 27/1£136
Thu 19/211:20
SFO
-
AUS
Nonstop3h 32m
United Airlines
Fri 20/315:12
AUS
-
SFO
Nonstop4h 08m
United Airlines
Deal found 27/1£136
Wed 25/206:05
SFO
-
AUS
1 stop7h 50m
Southwest
Wed 4/306:25
AUS
-
SFO
2 stops9h 55m
Southwest
Deal found 29/1£138
Mon 23/323:59
SFO
-
AUS
1 stop6h 35m
United Airlines
Tue 24/313:30
AUS
-
SFO
Nonstop4h 05m
United Airlines
Deal found 27/1£138
Mon 13/409:58
SFO
-
AUS
Nonstop3h 27m
Delta
Sat 18/407:15
AUS
-
SFO
Nonstop3h 48m
Delta
Deal found 27/1£140

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 29 January 2026.

Round-trip from

£128

One-way from

£63

Popular in

March

Cheapest in

September

Average price

£228
United Airlines
  • United Airlines
  • 3/3-19/3
  • Nonstop
  • 7h 34m total
  • San Francisco to Austin
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Southwest
  • Southwest
  • 6/3
  • Nonstop
  • 3h 25m total
  • San Francisco to Austin
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (£15 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£3 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
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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 29 January 2026.
Use the filters below to find and compare flights from San Francisco to Austin that are best for you.

Fly from

San Francisco

Fly to

Austin

Route

Depart

Return

Price

San FranciscoAustin

SFO - AUS

SFOAUS

San Francisco

Thu 19/2

12:55-18:20

Nonstop3h 25m

Austin Bergstrom

Tue 24/2

11:45-13:45

Nonstop4h 00m

£130

San FranciscoAustin

SFO - AUS

SFOAUS

San Francisco

Thu 19/2

12:55-18:20

Nonstop3h 25m

Austin Bergstrom

Wed 25/2

11:45-13:45

Nonstop4h 00m

£134

San FranciscoAustin

SFO - AUS

SFOAUS

San Francisco

Tue 10/3

06:25-16:40

2 stops8h 15m

Austin Bergstrom

Wed 11/3

07:15-11:20

1 stop6h 05m

£138

San FranciscoAustin

SFO - AUS

SFOAUS

San Francisco

Tue 10/3

13:57-19:39

Nonstop3h 42m

Austin Bergstrom

Wed 11/3

10:57-13:00

Nonstop4h 03m

£140

San FranciscoAustin

SFO - AUS

SFOAUS

San Francisco

Thu 5/3

07:00-12:34

Nonstop3h 34m

Austin Bergstrom

Mon 9/3

13:59-19:02

1 stop7h 03m

£141

San FranciscoAustin

SFO - AUS

SFOAUS

San Francisco

Thu 19/2

12:55-18:20

Nonstop3h 25m

Austin Bergstrom

Fri 20/3

17:25-23:20

1 stop7h 55m

£146

San FranciscoAustin

SFO - AUS

SFOAUS

San Francisco

Tue 17/2

23:59-08:39

1 stop6h 40m

Austin Bergstrom

Fri 20/3

17:58-20:06

Nonstop4h 08m

£147

San FranciscoAustin

SFO - AUS

SFOAUS

San Francisco

Thu 26/3

08:55-18:12

1 stop7h 17m

Austin Bergstrom

Mon 30/3

10:57-13:00

Nonstop4h 03m

£147

San FranciscoAustin

SFO - AUS

SFOAUS

San Francisco

Fri 20/2

11:35-17:05

Nonstop3h 30m

Austin Bergstrom

Tue 24/2

11:45-13:45

Nonstop4h 00m

£149

San FranciscoAustin

SFO - AUS

SFOAUS

San Francisco

Fri 17/4

11:25-16:55

Nonstop3h 30m

£63

Flights are sorted by cheapest return flights first.

Deals found on 27/1

Showing 1-10 of 21 results
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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?

Use this chart to determine the optimal time to book a return flight from San Francisco to Austin. Price data was last updated on 23 January 2026.

The best time to book flights from San Francisco to Austin is 70 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 £78). Flying from San Francisco to Austin in March is currently the most expensive (average of £135). 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 29 January 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.

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 5 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 25m. United Airlines provides one of the quickest options available for as low as £133. The distance between San Francisco and Austin is about 1500 mi. Most flights are nonstop.

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

    Consider American Airlines (91%), Alaska Airlines (91%) or Air China (88%) 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 £78). Flying from San Francisco to Austin in March is currently the most expensive (average of £135). 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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Users can book flights with no change fees policies with our dedicated filters. Book flights from San Francisco to Austin flexibly with Cheapflights today.

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