San Francisco

$90+ Cheap flights from Austin to San Francisco (AUS - SFO)

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 9/22. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — SFO
Aug 26 — Sep 21
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Cheapflights Tip: The best prices from Austin Bergstrom to San Francisco are usually found in August or September, booked 61 days in advance, depart on a Thursday or Friday and return on a Tuesday

Cheap 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 August 21, 2025.

Round-trip from

$155
(Priceline)

One-way from

$90
(Kiwi.com)

Popular in

March

Cheapest in

August

Average price

$317

Good round-trip deal

$240 or less

Good one-way deal

$139 or less
From Austin Bergstrom to San Francisco
One-way flight from Austin Bergstrom to San Francisco
Highest demand for flights based on searches. 1% potential increase in price ($6 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
Average for round-trip flights in August 2025
Price to beat on a round-trip flight from Austin Bergstrom to San Francisco.
Price to beat on a one-way flight from Austin Bergstrom to San Francisco.

Find flight deals from Austin to San Francisco

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 August 21, 2025.

This Frontier deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/212:44 pmAUS - SFO
1 stop8h 24mFrontier
Thu 11/135:45 amSFO - AUS
1 stop5h 38mFrontier
Deal found 8/19$155
This Frontier deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/212:44 pmAUS - SFO
1 stop8h 24mFrontier
Mon 11/103:25 pmSFO - AUS
1 stop7h 07mFrontier
Deal found 8/19$156
This Frontier deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/274:27 pmAUS - SFO
1 stop6h 54mFrontier
Sun 11/98:09 pmSFO - AUS
1 stop11h 33mFrontier
Deal found 8/19$158
This CheapOair deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/72:16 pmAUS - SFO
1 stop19h 50mFrontier
Thu 9/185:45 amSFO - AUS
1 stop5h 41mFrontier
Deal found 8/19$159
This CheapOair deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/37:55 amAUS - SFO
1 stop27h 55mFrontier
Sun 9/72:17 pmSFO - AUS
1 stop28h 33mFrontier
Deal found 8/21$160
This FlightHub deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/412:44 pmAUS - SFO
1 stop23h 20mFrontier
Sun 9/710:37 pmSFO - AUS
1 stop11h 33mFrontier
Deal found 8/19$162
This CheapOair deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/142:00 pmAUS - SFO
1 stop9h 22mFrontier
Thu 10/1612:54 pmSFO - AUS
1 stop21h 53mFrontier
Deal found 8/21$163
This FlightHub deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/1412:39 pmAUS - SFO
1 stop26h 43mFrontier
Sun 9/217:53 pmSFO - AUS
1 stop13h 51mFrontier
Deal found 8/19$164
This FlightHub deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/510:59 pmAUS - SFO
1 stop16h 16mFrontier
Tue 9/97:10 amSFO - AUS
1 stop11h 48mFrontier
Deal found 8/19$165
This Frontier deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/274:27 pmAUS - SFO
1 stop6h 54mFrontier
Sat 11/810:23 pmSFO - AUS
1 stop14h 43mFrontier
Deal found 8/19$167
This Frontier deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/296:30 amAUS - SFO
1 stop8h 47mFrontier
Sat 11/810:23 pmSFO - AUS
1 stop14h 43mFrontier
Deal found 8/19$168
This CheapOair deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/134:27 pmAUS - SFO
1 stop6h 54mFrontier
Fri 9/1910:37 pmSFO - AUS
1 stop14h 50mFrontier
Deal found 8/21$169

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated August 21, 2025.
Use the filters below to find and compare flights from Austin to San Francisco that are best for you.

Fly from

Austin

Fly to

San Francisco

Route

Depart

Return

Price

AustinSan Francisco

AUS - SFO

AUSSFO

Austin Bergstrom

Sat 10/4

6:00 am-7:53 am

Nonstop3h 53m

San Francisco

Mon 11/10

5:45 am-1:23 pm

1 stop5h 38m

$177

AustinSan Francisco

AUS - SFO

AUSSFO

Austin Bergstrom

Sun 10/5

9:23 pm-12:16 am

1 stop28h 53m

San Francisco

Sun 10/12

8:21 pm-12:33 am

1 stop26h 12m

$179

AustinSan Francisco

AUS - SFO

AUSSFO

Austin Bergstrom

Thu 10/16

4:48 pm-12:14 am

1 stop9h 26m

San Francisco

Sun 10/19

1:29 pm-6:12 pm

1 stop26h 43m

$182

AustinSan Francisco

AUS - SFO

AUSSFO

Austin Bergstrom

Mon 9/29

4:18 pm-6:07 pm

Nonstop3h 49m

San Francisco

Sat 11/8

8:55 pm-8:27 am

1 stop9h 32m

$183

AustinSan Francisco

AUS - SFO

AUSSFO

Austin Bergstrom

Wed 9/24

6:00 am-7:51 am

Nonstop3h 51m

San Francisco

Fri 9/26

10:37 pm-3:27 pm

1 stop14h 50m

$185

AustinSan Francisco

AUS - SFO

AUSSFO

Austin Bergstrom

Fri 9/26

6:00 am-7:51 am

Nonstop3h 51m

San Francisco

Mon 9/29

2:17 pm-9:49 pm

1 stop5h 32m

$187

AustinSan Francisco

AUS - SFO

AUSSFO

Austin Bergstrom

Mon 8/25

9:33 pm-10:33 pm

1 stop27h 00m

San Francisco

Wed 8/27

8:00 am-1:09 pm

1 stop27h 09m

$193

AustinSan Francisco

AUS - SFO

AUSSFO

Austin Bergstrom

Fri 9/19

10:59 pm-9:21 pm

1 stop24h 22m

San Francisco

Fri 9/26

10:37 pm-3:27 pm

1 stop14h 50m

$193

AustinSan Francisco

AUS - SFO

AUSSFO

Austin Bergstrom

Tue 11/18

7:45 am-10:27 pm

1 stop16h 42m

San Francisco

Thu 11/20

12:12 pm-11:15 pm

1 stop9h 03m

$194

AustinSan Francisco

AUS - SFO

AUSSFO

Austin Bergstrom

Thu 9/11

4:18 pm-6:07 pm

Nonstop3h 49m

San Francisco

Wed 9/17

7:00 am-12:40 pm

Nonstop3h 40m

$195

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/21

Showing 1-10 of 22 results
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The best insider tips for Austin to San Francisco flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Austin to San Francisco trip
Airlines
United Airlines

United's Economy Plus offers extra legroom, enhancing comfort without breaking the bank.


United's MileagePlus allows pooling miles, great for family travel flexibility.

Alaska Airlines

Alaska's Premium Class offers extra legroom and free cocktails, ideal for a comfortable journey.


Alaska Airlines' Wi-Fi is a flat fee, perfect for staying productive during flights.

Airports
AUS

Expect long lines at AUS, especially during early morning rush hours. Arrive early to navigate the busy terminals efficiently.

Read more about AUSby Ramsey Qubein
SFO

Use BART for a cost-effective trip from SFO to downtown San Francisco. The journey takes about 40 minutes.

Read more about SFOby Harriet Baskas
Our travel experts
Harriet Baskas

Harriet Baskas

Expert on United Airlines and SFO

Harriet Baskas

Harriet Baskas

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Read more
Robert Schrader

Robert Schrader

Expert on Alaska Airlines

Robert Schrader

Robert Schrader

One of the web's original travel bloggers, Robert launched his first site Leave Your Daily Hell in 2009. Since then, he's expanded into destination niche sites (one each for Japan, Thailand and Taiwan), in addition to having written for the inflight magazines of Singapore Airlines and Korean Air. Overall, he's visited nearly 100 countries, and flies business as often as possible.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on AUS

Ramsey Qubein

Ramsey Qubein

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more

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 round-trip 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?

Use this chart to determine the optimal time to book a round-trip flight from Austin to San Francisco. Price data was last updated on August 8, 2025.

To ensure you get the cheapest price possible for a flight from Austin to San Francisco, you should look to book at least 61 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, January is the cheapest month in which you can book a flight from Austin to San Francisco (average of $276). Flying from Austin to San Francisco in June is currently the most expensive (average of $358). 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 August 21, 2025.

When flying from Austin to San Francisco, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 62% versus a flight in the evening.

What is the cheapest day to fly from Austin to San Francisco?

Use this chart to determine the cheapest time to fly round-trip from Austin to San Francisco. Price data was last updated on August 17, 2025.

Travelers seeking maximum savings on their Austin to San Francisco flight should consider departing on Thursday afternoons when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing San Francisco

Get insights into the airlines that provide service to San Francisco. 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 San Francisco. Reviews last updated August 21, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Delta, and United Airlines from Austin to San Francisco to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.

Food

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.
8.0
Very good

Food

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.

Food

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.

Food

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.

Food

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.

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.
  • What airports do I use to fly from Austin to San Francisco?

    You will need to book a flight from Austin Bergstrom to San Francisco if you want to fly from Austin to San Francisco. At least 7 different airlines have flights from Austin Bergstrom (AUS) to San Francisco (SFO) on a regular basis. There are 20 flights to San Francisco from the Austin airport per day. If you manage to book one that is nonstop, then you can expect the flight time from AUS to SFO to be around 3h 42m.

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

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

    For as low as $179, Frontier can have you in San Francisco from Austin in 28h 53m. The distance from Austin to San Francisco is about 1500 mi.

  • What are the cheapest airlines flying from Austin to San Francisco round-trip?

    Currently priced at $106, Southwest will fly you from Austin to San Francisco and back. In addition to Southwest, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Frontier and Hawaiian Airlines - these airlines can fly you to your destination from $115 and $118, respectively. Southwest is currently priced 69% below the average price you’ll pay for this route.

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

    No one likes to see their flight delayed. When booking a flight from Austin to San Francisco consider choosing Southwest (95%), Air China (94%) or ANA (87%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Austin to San Francisco?

    Looking at all options, your cheapest flight can be booked for $88. While the most popular route (Austin Bergstrom - San Francisco) can be booked for $145 on average our data indicates $870 when flying from Austin to San Francisco.

  • Where are the most common layover locations when flying from Austin to San Francisco?

  • What are some popular things to do or see while on a layover in Phoenix?

    If you're on a layover in Phoenix and looking for things to do, consider visiting Chase Field, Desert Ridge Marketplace, or Phoenix Symphony Hall. Chase Field, Desert Ridge Marketplace, and Phoenix Symphony Hall are located about 4.0 mi, 16.7 mi, and 4.3 mi, respectively from Phoenix Sky Harbor Intl. Travelers in need of a car in Phoenix can rent one for about $56 per day.

  • What are some popular points of interest to see during a layover in Denver?

    Denver travelers tend to visit Coors Field, 16th Street Mall, and Paramount Theatre more than any other notable places. Coors Field, 16th Street Mall, and Paramount Theatre can be visited by traveling about 18.4 mi, 18.7 mi, and 18.6 mi respectively from Denver Intl. Those landing in Denver looking to spend some time exploring during their layover can rent a car for about $59 per day.

  • Where are the least popular layover locations for Austin to San Francisco flights?

  • 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 vacation 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, January is the cheapest month in which you can book a flight from Austin to San Francisco (average of $276). Flying from Austin to San Francisco in June is currently the most expensive (average of $358). 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

Traveling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Roseville
Santa Cruz
Livermore
South San Francisco
Mountain View
Turlock
Santa Clara
Hollister
Antioch
Watsonville
Manteca
Newark
Milpitas
Sunnyvale
Campbell
Foster City
San Leandro
Burlingame
Redwood City
Vallejo

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Austin to San Francisco

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

Top 7 airlines flying from Austin to San Francisco

Discover the top 7 airlines that operate flights from Austin to San Francisco. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$106Average$317FlexibilityNo cancel feeOn-time63%
FrontierCheapest$115Average$218FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$118Average$315FlexibilityNo cancel feeOn-time85%
DeltaCheapest$166Average$334FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$196Average$391FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$201Average$344FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$235Average$403FlexibilityNo cancel feeOn-time69%

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