United's Economy Plus offers extra legroom, enhancing comfort without breaking the bank.
United's MileagePlus allows pooling miles, great for family travel flexibility.

Most accurate provider | CheapOair 3 stars |
|---|---|
Most trusted provider | CheapOair 3 stars |
Round-trip from | $179 (Kiwi.com) |
One-way from | $89 (United Airlines) |
Popular in | March |
Cheapest in | September |
Average price | $357 |
Good round-trip deal | $297 or less |
Good one-way deal | $161 or less |
Fly from
Fly to
Route
Depart
Return
Price
AustinSan Francisco
AUS - SFO
AUSSFO
Austin Bergstrom
Sat 12/13
5:47 pm-7:50 pm
Nonstop4h 03m
San Francisco
Sun 1/11
6:28 pm-11:58 pm
Nonstop3h 30m
AustinSan Francisco
AUS - SFO
AUSSFO
Austin Bergstrom
Sat 1/10
5:45 am-10:05 am
1 stop6h 20m
San Francisco
Sat 1/17
11:25 am-4:55 pm
Nonstop3h 30m
AustinSan Francisco
AUS - SFO
AUSSFO
Austin Bergstrom
Sat 12/13
10:54 am-12:51 pm
Nonstop3h 57m
San Francisco
Sun 1/11
1:54 pm-7:31 pm
Nonstop3h 37m
AustinSan Francisco
AUS - SFO
AUSSFO
Austin Bergstrom
Sat 12/13
8:30 am-10:36 am
Nonstop4h 06m
San Francisco
Mon 12/15
8:00 am-4:45 pm
1 stop6h 45m
AustinSan Francisco
AUS - SFO
AUSSFO
Austin Bergstrom
Thu 1/22
11:05 am-12:59 pm
Nonstop3h 54m
San Francisco
Sun 1/25
1:54 pm-7:31 pm
Nonstop3h 37m
AustinSan Francisco
AUS - SFO
AUSSFO
Austin Bergstrom
Thu 1/22
11:05 am-12:59 pm
Nonstop3h 54m
San Francisco
Mon 1/26
1:54 pm-7:31 pm
Nonstop3h 37m
AustinSan Francisco
AUS - SFO
AUSSFO
Austin Bergstrom
Sat 1/10
10:55 am-12:51 pm
Nonstop3h 56m
San Francisco
Sat 1/17
1:41 pm-7:23 pm
Nonstop3h 42m
AustinSan Francisco
AUS - SFO
AUSSFO
Austin Bergstrom
Sat 1/10
10:55 am-12:51 pm
Nonstop3h 56m
San Francisco
Wed 1/14
1:54 pm-7:31 pm
Nonstop3h 37m
AustinSan Francisco
AUS - SFO
AUSSFO
Austin Bergstrom
Sat 1/24
6:00 am-10:53 am
1 stop6h 53m
San Francisco
Mon 1/26
2:30 pm-11:59 pm
1 stop7h 29m
AustinSan Francisco
AUS - SFO
AUSSFO
Austin Bergstrom
Fri 12/12
10:54 am-12:51 pm
Nonstop3h 57m
San Francisco
Wed 12/17
6:00 am-1:10 pm
1 stop5h 10m
| 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 Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
To ensure you get the cheapest price possible for a flight from Austin to San Francisco, you should look to book at least 81 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.
Currently, November is the cheapest month in which you can book a flight from Austin to San Francisco (average of $89). Flying from Austin to San Francisco in March is currently the most expensive (average of $188). 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.
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 58% versus a flight in the evening.
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.
Comfort
Entertainment
Overall
Food
Boarding
Crew
Reviews
Hannah,Aug 2025
SFO - SAN
Comfort
Entertainment
Overall
Food
Boarding
Crew
Reviews
Hannah,Aug 2025
SFO - SAN
Comfort
Entertainment
Overall
Food
Boarding
Crew
Reviews
Hannah,Aug 2025
SFO - SAN
Comfort
Entertainment
Overall
Food
Boarding
Crew
Reviews
Hannah,Aug 2025
SFO - SAN
Comfort
Entertainment
Overall
Food
Boarding
Crew
Reviews
Hannah,Aug 2025
SFO - SAN
Comfort
Entertainment
Overall
Food
Boarding
Crew
Reviews
Hannah,Aug 2025
SFO - SAN
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$108 | Average$288 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$119 | Average$282 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$127 | Average$222 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$160 | Average$328 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$177 | Average$338 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$196 | Average$415 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$197 | Average$387 | FlexibilityNo cancel fee | On-time69% |