United's Premium Plus offers larger seats, extra legroom, and upgraded meals on select routes.
United's Polaris Business class includes lie-flat seats and Saks Fifth Avenue bedding.

Most accurate provider | Mytrip 3 stars |
|---|---|
Most trusted provider | Mytrip 3 stars |
Round-trip from | $79 (Frontier) |
One-way from | $49 (United Airlines) |
Popular in | December |
Cheapest in | January |
Average price | $338 |
Good round-trip deal | $101 or less |
Good one-way deal | $84 or less |
Fly from
Fly to
Route
Depart
Return
Price
Los AngelesSan Francisco
LAX - SFO
LAXSFO
Los Angeles
Sat 2/14
6:00 am-7:31 am
Nonstop1h 31m
San Francisco
Wed 2/18
10:35 am-12:06 pm
Nonstop1h 31m
Los AngelesSan Francisco
LAX - SFO
LAXSFO
Los Angeles
Tue 2/17
1:37 pm-3:03 pm
Nonstop1h 26m
San Francisco
Mon 2/23
6:55 pm-8:26 pm
Nonstop1h 31m
Los AngelesSan Francisco
LAX - SFO
LAXSFO
Los Angeles
Sat 3/7
5:27 pm-7:02 pm
Nonstop1h 35m
San Francisco
Sat 3/7
10:44 pm-12:17 am
Nonstop1h 33m
Los AngelesSan Francisco
LAX - SFO
LAXSFO
Los Angeles
Tue 3/3
8:45 am-3:30 pm
2 stops6h 45m
San Francisco
Wed 3/4
8:15 am-9:40 am
Nonstop1h 25m
SeattleSan Francisco
SEA - SFO
SEASFO
Seattle/Tacoma Intl
Tue 2/3
5:59 pm-8:12 pm
Nonstop2h 13m
San Francisco
Wed 2/4
2:25 pm-4:42 pm
Nonstop2h 17m
SeattleSan Francisco
SEA - SFO
SEASFO
Seattle/Tacoma Intl
Fri 2/27
12:32 pm-2:50 pm
Nonstop2h 18m
San Francisco
Sun 3/1
9:18 pm-11:30 pm
Nonstop2h 12m
SeattleSan Francisco
SEA - SFO
SEASFO
Seattle/Tacoma Intl
Wed 3/4
1:35 pm-3:51 pm
Nonstop2h 16m
San Francisco
Mon 3/9
4:47 pm-7:03 pm
Nonstop2h 16m
Los AngelesSan Francisco
LAX - SFO
LAXSFO
Los Angeles
Sun 2/8
7:50 am-9:20 am
Nonstop1h 30m
San Francisco
Wed 2/11
2:10 pm-3:35 pm
Nonstop1h 25m
SeattleSan Francisco
SEA - SFO
SEASFO
Seattle/Tacoma Intl
Thu 2/19
12:32 pm-2:50 pm
Nonstop2h 18m
San Francisco
Tue 2/24
6:44 pm-9:01 pm
Nonstop2h 17m
SeattleSan Francisco
SEA - SFO
SEASFO
Seattle/Tacoma Intl
Sat 2/21
8:41 pm-10:56 pm
Nonstop2h 15m
San Francisco
Wed 2/25
11:34 am-1:55 pm
Nonstop2h 21m
Currently, January is the cheapest month in which you can book a flight from USA to San Francisco (average of $29). Flying from USA to San Francisco in November is currently the most expensive (average of $64). 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.
Unlike in the afternoon, when flights are generally more expensive, you can save up to 25% on flights from USA to San Francisco by exploring options for tickets at noon.
Travelers seeking maximum savings on their USA to San Francisco flight should consider departing on Wednesday at noon 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.
The most flights from US0 to SFO are scheduled on a Monday (123 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (65 on average).
About 19% of weekly flights between United States and San Francisco have experienced delays in the past year, with the average delay time being 147 minutes.
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
Tuesday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.
Over the last year, EVA Air have had the lowest number of delays on this route, with just 7% of flights being delayed.
Overall
Comfort
Crew
Food
Boarding
Entertainment
Reviews
Hannah,Aug 2025
SFO - SAN
Overall
Comfort
Crew
Food
Boarding
Entertainment
Reviews
Hannah,Aug 2025
SFO - SAN
Overall
Comfort
Crew
Food
Boarding
Entertainment
Reviews
Hannah,Aug 2025
SFO - SAN
Overall
Comfort
Crew
Food
Boarding
Entertainment
Reviews
Hannah,Aug 2025
SFO - SAN
Overall
Comfort
Crew
Food
Boarding
Entertainment
Reviews
Hannah,Aug 2025
SFO - SAN
Overall
Comfort
Crew
Food
Boarding
Entertainment
Reviews
Hannah,Aug 2025
SFO - SAN
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$27 | Average$111 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$44 | Average$208 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$48 | Average$271 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$95 | Average$284 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$96 | Average$327 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$97 | Average$317 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$97 | Average$344 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$106 | Average$316 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$107 | Average$375 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$207 | Average$368 | FlexibilityNo cancel fee | On-time83% |