$104 Cheap Flights from San Francisco (SFO) to Austin (AUS)

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Cheap Flights from San Francisco to Austin (SFO-AUS)

Prices were available within the past 7 days and start at $104 for one-way flights and $188 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Frontier Airlines
Alaska Airlines
Alaska Airlines
Southwest Airlines
Hawaiian Airlines
United
Delta
Alaska Airlines
United
Flights from San Francisco (SFO) to Austin (AUS)
Origin airport
San Francisco Intl.
Destination airport
Austin-Bergstrom Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, Southwest Airlines, United
Roundtrip price
$188
Distance
1501 mi

San Francisco to Austin Flights

The cheapest times to fly from San Francisco to Austin

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from San Francisco to Austin are during the month of May. You can find some of the cheapest flights from San Francisco to Austin with Expedia's search tool and vast selection of airlines.

The best time to book a flight from San Francisco to Austin

Sunday is one of the best days to book for cheap flights from San Francisco to Austin: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from San Francisco to Austin

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from San Francisco to Austin in 2025. You can also book with separate airlines for your outbound and return journeys, from $104 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap San Francisco to Austin flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your San Francisco to Austin airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently asked questions

How much does a flight from San Francisco Intl. Airport (SFO) to Austin-Bergstrom Intl. Airport (AUS) cost?
Snag cheap return tickets starting at $211 from San Francisco Intl. Airport (SFO) to Austin-Bergstrom Intl. Airport (AUS). This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Alaska Airlines flight leaving SFO on May 17 2025 and touching down at AUS. The price was last updated on April 24 2025 and has not changed since.
What is the cheapest month to fly from SFO to AUS?
The cheapest flights from SFO to AUS are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from San Francisco Intl. Airport (SFO) to Austin-Bergstrom Intl. Airport (AUS)?
When flying out of San Francisco Intl. Airport (SFO), you can hop on a direct flight to Austin-Bergstrom Intl. Airport (AUS) with United Airlines.
What is the cheapest airline that flies from SFO to AUS?
Book a flight from SFO to AUS with Alaska Airlines. This carrier currently offers the cheapest one-way ticket on this route, starting from $109. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from SFO on June 17 2025. Prices were last updated on April 24 2025 and have not changed since.
How many flights per day from San Francisco Intl. Airport (SFO) to Austin-Bergstrom Intl. Airport (AUS)?
When jetting out of San Francisco Intl. Airport (SFO), you’ll have your pick from an average of 5 daily direct flights to Austin-Bergstrom Intl. Airport (AUS).
What are the most popular departure times for flights from San Francisco Intl. Airport (SFO) to Austin-Bergstrom Intl. Airport (AUS)?
The 7 AM departures from SFO to AUS are the most sought after. These flights can come with a higher price due to their popularity. If you want to save on your fare, book during off-peak hours.
What day of the week has the most flights from SFO to AUS?
If you depart on a Sunday, you’ll get the largest range of options for flights from San Francisco Intl. Airport (SFO) to Austin-Bergstrom Intl. Airport (AUS).
What is the earliest flight from San Francisco Intl. Airport (SFO) to Austin-Bergstrom Intl. Airport (AUS)?
The first flight of the day departing from San Francisco Intl. Airport (SFO) is at around 7:00AM UTC-8. Board this flight and you’ll touch down at Austin-Bergstrom Intl. Airport (AUS) at approximately 12:33PM UTC-6. The total travel time is 3h 33m.
How long does it take to fly from San Francisco Intl. Airport (SFO) to Austin-Bergstrom Intl. Airport (AUS)?
The average flight duration from SFO to AUS is 3 hours and 32 minutes, covering a total distance of 1,500 mi.
What airline has the least delays from SFO to AUS?
With 81% of journeys typically landing on time, Alaska Airlines has the best on-time performance for direct flights from San Francisco Intl. Airport (SFO) to Austin-Bergstrom Intl. Airport (AUS). To check your flight status and get notifications if anything changes, simply head to the Expedia App.
What is the best time to fly from San Francisco Intl. Airport (SFO) to Austin-Bergstrom Intl. Airport (AUS)?
Select a flight from San Francisco Intl. Airport (SFO) to Austin-Bergstrom Intl. Airport (AUS) that takes off before 3 PM to reduce the risk of cancellations. Departures later than this are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
What airports do you fly into for Austin from San Francisco Intl. Airport (SFO)?
Browse your flight options from San Francisco Intl. Airport (SFO) to Austin-Bergstrom Intl. Airport (AUS). This is the only airport in Austin you can fly into if you’re taking a direct flight.
Is it cheaper to buy a plane ticket from San Francisco Intl. Airport (SFO) to Austin-Bergstrom Intl. Airport (AUS) last-minute?
Booking your flight from SFO to AUS shortly before your getaway is usually more expensive. However, if there’s some wiggle room with your travel times and dates, you could bag a cheap last-minute fare.
Is it cheaper to book a SFO to AUS flight and hotel package?
Compared with arranging hotels and flights separately, booking a SFO to AUS flight and hotel package with Expedia could lead to significant savings. What’s more, having everything in one easy place will take the hassle out of travel planning. Just secure your flights and choose from our extensive range of hotels, then customize your trip with other add-ons like tours and car rentals.
Can I cancel or change the date of my flight from San Francisco Intl. Airport (SFO) to Austin-Bergstrom Intl. Airport (AUS)?
Typically, you can cancel or reschedule your SFO to AUS flight. However, there may be additional charges, especially if you made your booking over 24 hours ago. Check your itinerary for the airline’s guidelines and fees on flight changes, or if you need further details, head to our Customer Service portal.

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*Available to One Key members.