$99 Cheap United flights Austin (AUS) to San Francisco (SFO)

View $99 flight on Thu, Sep 11, 2025Opens in a new window

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$99 Cheap United flights Austin (AUS) to San Francisco (SFO)

Prices were available within the past 7 days and start at $99 for one-way flights and $197 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Mon, Aug 18 - Mon, Aug 25
AUS
Austin
SFO
San Francisco
$197 Roundtrip, just found
$197
Roundtrip
just found
Select United flight, departing Mon, Aug 18 from Austin to San Francisco, returning Mon, Aug 25, priced at $197 just found
United
Fri, Sep 26 - Sun, Sep 28
AUS
Austin
SFO
San Francisco
$219 Roundtrip, just found
$219
Roundtrip
just found
Select United flight, departing Fri, Sep 26 from Austin to San Francisco, returning Sun, Sep 28, priced at $219 just found
United
Thu, Aug 7 - Sat, Aug 9
AUS
Austin
SFO
San Francisco
$226 Roundtrip, just found
$226
Roundtrip
just found
Select United flight, departing Thu, Aug 7 from Austin to San Francisco, returning Sat, Aug 9, priced at $226 just found
Flights from Austin (AUS) to San Francisco (SFO)
Origin airport
Austin-Bergstrom Intl.
Destination airport
San Francisco Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Southwest Airlines, United
Popular airline
Alaska Airlines
Distance
1501 mi
Average flight time
2 hours 40 mins

Frequently asked questions

How much is a United Airlines flight from Austin-Bergstrom Intl. Airport (AUS) to San Francisco Intl. Airport (SFO)?
Landing cheap one-way United Airlines flights from AUS to SFO from $99 on Expedia is a breeze --- just filter by "Price (lowest to highest)." Or check out our affordable round-trip fares from $197 for your next exciting getaway.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from AUS to SFO with United Airlines?
United Airlines flights to San Francisco are generally cheaper in the quieter months of February and April. Whether you're searching for a round-trip or one-way ticket, you could score a better deal then.
What is the cheapest time to book flights from Austin-Bergstrom Intl. Airport (AUS) to San Francisco Intl. Airport (SFO) with United Airlines?
Start searching one to three months before your departure to score cheap fares on United Airlines flights from Austin-Bergstrom Intl. Airport (AUS) to San Francisco Intl. Airport (SFO). You can save 25% by booking your domestic flight 34 to 86 days in advance compared to last-minute reservations made 6 to 12 days out. You could also cut costs by buying your fare on a Sunday, as it's 6% cheaper on average than a Monday, the most expensive day to book.* Time it well, and you can enjoy significant savings on domestic trips.*Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does United Airlines fly nonstop from Austin-Bergstrom Intl. Airport (AUS) to San Francisco Intl. Airport (SFO)?
United Airlines offers direct flights from Austin-Bergstrom Intl. Airport (AUS) to San Francisco Intl. Airport (SFO), with 25 departures each week. Simply choose the "Nonstop" and "Airline" filters while searching on Expedia to find all direct United Airlines flights to SFO.
How long does it take to fly from AUS to SFO with United Airlines?
On average, it takes 4h 6m to fly nonstop from Austin-Bergstrom Intl. Airport (AUS) to San Francisco Intl. Airport (SFO) with United Airlines.
Which day of the week has the most United Airlines flights from Austin-Bergstrom Intl. Airport (AUS) to San Francisco Intl. Airport (SFO)?
If you're looking for flexibility, Wednesday offers the most choice for United Airlines flights from Austin-Bergstrom Intl. Airport (AUS) to San Francisco Intl. Airport (SFO). You can pick from 4 different departures.
What is the earliest United Airlines flight from AUS to SFO?
Departing AUS at 7:10AM UTC-6, the first United Airlines flight to SFO lands at 9:18AM UTC-8. Flying early means you're less likely to encounter cancellations or delays.* Prefer a later start? The last United Airlines flight from AUS to SFO departs at 7:34PM UTC-6 and touches down at 9:40PM UTC-8.*Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does United Airlines fly into in San Francisco?
When jetting off from Austin-Bergstrom Intl. Airport (AUS) to San Francisco with United Airlines, you'll probably land at San Francisco Intl. Airport (SFO). This is the airline's primary hub in the city. Other nearby airports such as Norman Y. Mineta San Jose Intl. Airport (SJC) and Oakland Intl. Airport (OAK) may have lower fares, so it's wise to explore all available options on Expedia.
Why fly with United Airlines from AUS to SFO?
Fly from AUS to SFO with United Airlines and you'll enjoy a range of perks including a rewarding loyalty program. When booking through Expedia as a United Mileage Plus and One Key™ member, you may also earn OneKeyCash™* to redeem on select future travel purchases.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
What type of plane does United Airlines fly from Austin-Bergstrom Intl. Airport (AUS) to San Francisco Intl. Airport (SFO)?
For the Austin-Bergstrom Intl. Airport (AUS) to San Francisco Intl. Airport (SFO) route, United Airlines typically uses Boeing 737-900 and Airbus A320 planes. Don't forget that last-minute changes are possible for operational reasons, so your flight may be on a different aircraft.
Can I change or cancel my United Airlines flight from Austin-Bergstrom Intl. Airport (AUS) to San Francisco Intl. Airport (SFO)?
Changes are generally free within 24 hours of making a booking, but your airline may charge a fee after that time. For further information about altering your reservation, go to your "Trips," select your flight and click on "Manage Booking." If you want the flexibility to update your itinerary without additional costs, tick the "No cancel fee" or "Changes included" filter when planning your next break.

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