Save time by using the AirTrain Red Line to quickly navigate between terminals at SFO, especially during busy travel hours.

Most accurate provider | Justfly.com 3 stars |
|---|---|
Most trusted provider | Justfly.com 3 stars |
Round-trip from | $181 (Trip.com) |
One-way from | $89 (Alaska Airlines) |
Popular in | March |
Cheapest in | September |
Average price | $356 |
Good round-trip deal | $234 or less |
Good one-way deal | $123 or less |
Fly from
Fly to
Route
Depart
Return
Price
San FranciscoAustin
SFO - AUS
SFOAUS
San Francisco
Tue 12/9
1:20 pm-6:55 pm
Nonstop3h 35m
Austin Bergstrom
Sun 12/14
9:49 am-11:53 am
Nonstop4h 04m
San FranciscoAustin
SFO - AUS
SFOAUS
San Francisco
Fri 1/9
1:54 pm-7:31 pm
Nonstop3h 37m
Austin Bergstrom
Thu 1/15
11:05 am-12:59 pm
Nonstop3h 54m
San FranciscoAustin
SFO - AUS
SFOAUS
San Francisco
Thu 12/11
7:30 am-1:02 pm
Nonstop3h 32m
Austin Bergstrom
Mon 12/15
3:02 pm-5:06 pm
Nonstop4h 04m
San FranciscoAustin
SFO - AUS
SFOAUS
San Francisco
Tue 2/3
1:54 pm-7:31 pm
Nonstop3h 37m
Austin Bergstrom
Tue 2/10
11:05 am-12:59 pm
Nonstop3h 54m
San FranciscoAustin
SFO - AUS
SFOAUS
San Francisco
Wed 1/14
12:43 am-8:30 am
1 stop5h 47m
Austin Bergstrom
Sat 1/17
2:30 pm-4:38 pm
Nonstop4h 08m
San FranciscoAustin
SFO - AUS
SFOAUS
San Francisco
Sat 1/10
1:41 pm-7:23 pm
Nonstop3h 42m
Austin Bergstrom
Thu 1/15
11:05 am-12:59 pm
Nonstop3h 54m
San FranciscoAustin
SFO - AUS
SFOAUS
San Francisco
Sat 1/24
11:20 am-4:55 pm
Nonstop3h 35m
Austin Bergstrom
Sun 1/25
5:10 am-9:45 am
1 stop6h 35m
San FranciscoAustin
SFO - AUS
SFOAUS
San Francisco
Fri 12/12
6:29 pm-11:59 pm
Nonstop3h 30m
Austin Bergstrom
Sun 12/14
9:49 am-11:53 am
Nonstop4h 04m
San FranciscoAustin
SFO - AUS
SFOAUS
San Francisco
Sat 1/24
7:00 am-2:46 pm
1 stop5h 46m
Austin Bergstrom
Sun 1/25
6:00 am-11:01 am
1 stop7h 01m
San FranciscoAustin
SFO - AUS
SFOAUS
San Francisco
Thu 1/22
8:28 am-5:35 pm
1 stop7h 07m
Austin Bergstrom
Sun 1/25
11:05 am-12:59 pm
Nonstop3h 54m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
Booking 89 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Francisco to Austin. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Currently, December is the cheapest month in which you can book a flight from San Francisco to Austin (average of $107). Flying from San Francisco to Austin in March is currently the most expensive (average of $204). 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.
It’s typically best to fly out from San Francisco to Austin in the evening. Doing so could potentially save you 11% on the flight price compared to flying in the afternoon, which is usually more expensive.
Travelers seeking maximum savings on their San Francisco to Austin flight should consider departing on Saturday evenings when fares are most often at their lowest. Monday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
About 10% of weekly flights between San Francisco and Austin have experienced delays in the past year, with the average delay time being 147 minutes.
Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.
Saturday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.
Over the last year, KLM have had the lowest number of delays on this route, with no flights being classified as delayed.
Comfort
Entertainment
Boarding
Overall
Crew
Food
Reviews
Hannah,Aug 2025
SFO - SAN
Comfort
Entertainment
Boarding
Overall
Crew
Food
Reviews
Hannah,Aug 2025
SFO - SAN
Comfort
Entertainment
Boarding
Overall
Crew
Food
Reviews
Hannah,Aug 2025
SFO - SAN
Comfort
Entertainment
Boarding
Overall
Crew
Food
Reviews
Hannah,Aug 2025
SFO - SAN
Comfort
Entertainment
Boarding
Overall
Crew
Food
Reviews
Hannah,Aug 2025
SFO - SAN
Comfort
Entertainment
Boarding
Overall
Crew
Food
Reviews
Hannah,Aug 2025
SFO - SAN
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$111 | Average$236 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$126 | Average$321 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$137 | Average$337 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$177 | Average$313 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$190 | Average$410 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$204 | Average$411 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$205 | Average$352 | FlexibilityNo cancel fee | On-time75% |