San Francisco International to Austin-Bergstrom
1501 miles great-circle distance, typically flown in 3h 25m with 7 airlines operating direct service from San Francisco International (SFO) to Austin-Bergstrom (AUS). Cheapest fares are usually in January (around $169 return), with peak prices in August (around $507). Departures on a Tuesday tend to undercut weekend prices on this corridor.
Flying from San Francisco International
San Francisco International is United's main Pacific hub and Alaska Airlines' largest non-Seattle base. Four terminals form a single ring connected by the AirTrain shuttle, with BART running from the dedicated airport station directly to Powell Street downtown in around 30 minutes for $10. Heavy fog from May through August causes chronic morning delays — book mid-day departures during summer where possible. International long-haul to Asia and Europe is the deepest on the West Coast.
Arriving in Austin
Austin-Bergstrom International is 6 miles southeast of downtown Austin. CapMetro Route 20 runs every 30 minutes between the airport and downtown for $1.25. Fares to Austin peak sharply for South by Southwest (mid-March), the Austin City Limits Festival (early October) and University of Texas football weekends; January and late summer are the cheapest. ULCC carriers Spirit and Frontier run heavy capacity.
Who flies SFO to AUS?
| Airline | IATA | Flight time | Cabin |
| United Airlines | UA | 3h 25m | Economy |
| Alaska Airlines | AS | 3h 25m | Economy |
| American Airlines | AA | 3h 25m | Economy |
| Delta Air Lines | DL | 3h 25m | Economy |
| Southwest Airlines | WN | 3h 25m | Economy |
| JetBlue Airways | B6 | 3h 25m | Economy |
| Hawaiian Airlines | HA | 3h 25m | Economy |
7 carriers fly direct on this corridor. Frequencies vary by season — summer and winter holiday peaks see additional flights.
Best time to fly SFO→AUS
Synthesised from 12-month price aggregates. Cheapest months in green, peak in red.
Estimated baseline. Prices update on a 30-day cadence as Travelpayouts data refreshes. Cheapest day-of-week typically Tuesday.
San Francisco to Austin FAQs
Direct flights from San Francisco International (SFO) to Austin-Bergstrom (AUS) take approximately 3h 25m for the 1501-mile journey, plus 30–60 minutes of taxi, climb and descent. Total airport-to-airport time depends on cruise winds and air-traffic queueing on approach.
January is typically the cheapest month on this route, with one-way fares from $169. August is the peak — expect prices 2–3× higher. Book 4–8 weeks ahead for best fares; last-minute prices on this corridor rise sharply inside two weeks of departure.
7 carriers operate direct service from San Francisco International (SFO) to Austin-Bergstrom (AUS): United Airlines, Alaska Airlines, American Airlines, Delta Air Lines, Southwest Airlines and 2 more. Frequencies vary by season and carrier — United Airlines typically operates the highest weekly count on this corridor.
No — United States is domestic travel for US citizens. A US passport is not required for the 50 states, DC or US territories (Puerto Rico, US Virgin Islands, Guam, American Samoa, Northern Mariana Islands), though Real ID-compliant ID is required at TSA from May 2025.
Austin-Bergstrom (AUS) is the primary international airport for Austin. Allow 30–60 minutes for the ground transfer by train, express bus, taxi or rideshare depending on traffic and time of day. See the airport's official website for current train and shuttle timetables.