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Cheap flights from Austin to San Francisco 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 13/1. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — SFO
16 Aug — 23 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Austin to San Francisco

Enter your travel dates to find the best prices.

Cheapest flights from Austin to San Francisco
Explore the most affordable flight options available from Austin to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 July 2026.

Sat 22/812:47
AUS
-
SFO
1 stop9h 09m
Frontier
Wed 26/813:07
SFO
-
AUS
2 stops28h 23m
Frontier
Deal found 17/7£130
Fri 14/814:25
AUS
-
SFO
2 stops32h 15m
Frontier
Fri 21/820:56
SFO
-
AUS
1 stop12h 56m
Frontier
Deal found 17/7£149
Sun 23/812:47
AUS
-
SFO
1 stop21h 56m
Frontier
Wed 26/811:20
SFO
-
AUS
1 stop22h 32m
Frontier
Deal found 17/7£170
Wed 5/807:10
AUS
-
SFO
Nonstop3h 37m
Delta
Wed 16/917:59
SFO
-
AUS
Nonstop3h 27m
Delta
Deal found 14/7£176
Sat 8/807:00
AUS
-
SFO
Nonstop3h 45m
United Airlines
Sat 8/823:59
SFO
-
AUS
Nonstop3h 47m
United Airlines
Deal found 14/7£179
Sat 15/807:15
AUS
-
SFO
Nonstop3h 50m
United Airlines
Sat 22/812:00
SFO
-
AUS
Nonstop3h 40m
United Airlines
Deal found 13/7£180
Sat 31/1016:20
AUS
-
SFO
Nonstop3h 50m
Southwest
Tue 3/1114:20
SFO
-
AUS
1 stop5h 00m
Southwest
Deal found 14/7£181
Sat 22/814:15
AUS
-
SFO
1 stop5h 15m
Southwest
Wed 26/812:15
SFO
-
AUS
Nonstop3h 30m
Southwest
Deal found 17/7£184
Sat 15/807:10
AUS
-
SFO
Nonstop3h 37m
Delta
Sat 22/807:13
SFO
-
AUS
1 stop6h 59m
Delta
Deal found 16/7£184
Wed 12/814:00
AUS
-
SFO
2 stops7h 15m
Southwest
Tue 18/815:20
SFO
-
AUS
Nonstop3h 30m
Southwest
Deal found 13/7£187
Sun 23/812:47
AUS
-
SFO
1 stop21h 56m
Frontier
Thu 27/820:56
SFO
-
AUS
1 stop12h 56m
Frontier
Deal found 17/7£189

Find flight deals from Austin to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from Austin (AUS) to San Francisco (SFO). 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 17 July 2026.

Round-trip from

£130

One-way from

£90

Popular in

March

Cheapest in

September

Average price

£245
Frontier
  • Frontier
  • 22/8-26/8
  • 3 total stops
  • 37h 32m total
  • Austin to San Francisco
Search Deals
United Airlines
  • United Airlines
  • 13/1
  • Nonstop
  • 4h 01m total
  • Austin to San Francisco
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 (£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 Austin to San Francisco 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 17 July 2026.
Use the filters below to find and compare flights from Austin to San Francisco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

AustinSan Francisco

AUS - SFO

AUSSFO

Austin Bergstrom

Sat 31/10

07:00-08:54

Nonstop3h 54m

San Francisco

Wed 4/11

10:00-15:32

Nonstop3h 32m

£176

AustinSan Francisco

AUS - SFO

AUSSFO

Austin Bergstrom

Wed 19/8

13:40-19:43

1 stop8h 03m

San Francisco

Wed 26/8

14:36-23:32

1 stop6h 56m

£191

AustinSan Francisco

AUS - SFO

AUSSFO

Austin Bergstrom

Thu 6/8

05:20-07:05

Nonstop3h 45m

San Francisco

Fri 14/8

10:50-16:33

Nonstop3h 43m

£213

AustinSan Francisco

AUS - SFO

AUSSFO

Austin Bergstrom

Wed 9/9

08:05-14:05

2 stops8h 00m

San Francisco

Thu 10/9

06:00-15:55

2 stops7h 55m

£213

AustinSan Francisco

AUS - SFO

AUSSFO

Austin Bergstrom

Sat 22/8

14:24-18:29

1 stop6h 05m

San Francisco

Wed 26/8

08:25-14:12

Nonstop3h 47m

£217

AustinSan Francisco

AUS - SFO

AUSSFO

Austin Bergstrom

Wed 21/10

15:19-17:14

Nonstop3h 55m

San Francisco

Sun 25/10

10:00-15:32

Nonstop3h 32m

£228
Fastest return journey

AustinSan Francisco

AUS - SFO

AUSSFO

Austin Bergstrom

Thu 6/8

05:20-07:05

Nonstop3h 45m

San Francisco

Wed 12/8

08:17-13:55

Nonstop3h 38m

£230

AustinSan Francisco

AUS - SFO

AUSSFO

Austin Bergstrom

Thu 6/8

18:55-23:25

1 stop6h 30m

San Francisco

Wed 12/8

15:20-20:50

Nonstop3h 30m

£232

AustinSan Francisco

AUS - SFO

AUSSFO

Austin Bergstrom

Sun 23/8

07:10-08:47

Nonstop3h 37m

San Francisco

Wed 26/8

07:13-15:37

1 stop6h 24m

£236

AustinSan Francisco

AUS - SFO

AUSSFO

Austin Bergstrom

Thu 8/10

07:00-08:54

Nonstop3h 54m

San Francisco

Sun 11/10

10:00-15:32

Nonstop3h 32m

£243

Flights are sorted by cheapest return flights first.

Deals found on 15/7

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

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

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

To ensure you get the cheapest price possible for a flight from Austin to San Francisco, you should look to book at least 89 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, September is the cheapest month in which you can book a flight from Austin to San Francisco (average of £193). Flying from Austin to San Francisco in March is currently the most expensive (average of £304). 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 AUS to SFO?

Find hourly flight availability from Austin to San Francisco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 17 July 2026.

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

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

Related info for your journey

Find useful and relevant information for your journey from Austin to San Francisco. 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 Austin to San Francisco flight route?

    The Austin Bergstrom to San Francisco flight path was viewed by 8 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 Austin to San Francisco?

    Departing from Austin to San Francisco will take you 3h 45m. There are 1500 mi between Austin and San Francisco. 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 Austin to San Francisco?

    The top 3 most reliable airlines when flying from Austin to San Francisco are Korean Air (87%), SkyWest Airlines (83%) and Delta (71%).

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

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

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

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

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

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

    Currently, September is the cheapest month in which you can book a flight from Austin to San Francisco (average of £193). Flying from Austin to San Francisco in March is currently the most expensive (average of £304). 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 Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Santa Cruz
San Bruno
Newark
Bodega Bay
South San Francisco
Sunnyvale

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Deals for Austin to San Francisco 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 Austin to San Francisco?

Cheapflights simply makes it quick and affordable to book flights from Austin to San Francisco by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Certainly. Search results for flights to San Francisco from Austin shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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