Save time at SFO by using the AirTrain Red Line to quickly navigate between terminals and security checkpoints.
Round-trip from | $285 (Sun Country Air) |
---|---|
One-way from | $139 (Alaska Airlines) |
Popular in | June |
Cheapest in | January |
Average price | $409 |
Good round-trip deal | $398 or less |
Good one-way deal | $179 or less |
Fly from
Fly to
Route
Depart
Return
Price
San FranciscoSt. Louis
SFO - STL
SFOSTL
San Francisco
Thu 8/14
11:59 pm-11:30 am
1 stop9h 31m
Lambert-St Louis
Sun 8/17
8:00 am-8:08 am
1 stop26h 08m
San FranciscoSt. Louis
SFO - STL
SFOSTL
San Francisco
Tue 9/23
9:59 pm-5:34 pm
2 stops17h 35m
Lambert-St Louis
Tue 9/30
3:35 pm-9:20 pm
1 stop7h 45m
San FranciscoSt. Louis
SFO - STL
SFOSTL
San Francisco
Wed 8/13
7:00 am-1:42 pm
1 stop28h 42m
Lambert-St Louis
Wed 8/20
7:54 pm-11:29 am
1 stop17h 35m
San FranciscoSt. Louis
SFO - STL
SFOSTL
San Francisco
Tue 8/19
1:45 pm-7:35 pm
Nonstop3h 50m
Lambert-St Louis
Tue 8/26
9:10 am-11:20 am
Nonstop4h 10m
San FranciscoSt. Louis
SFO - STL
SFOSTL
San Francisco
Sat 9/13
8:00 am-8:32 pm
1 stop10h 32m
Lambert-St Louis
Mon 9/15
6:18 pm-10:24 pm
1 stop6h 06m
San FranciscoSt. Louis
SFO - STL
SFOSTL
San Francisco
Sat 8/23
10:51 am-4:53 pm
Nonstop4h 02m
Lambert-St Louis
Wed 8/27
5:49 pm-8:10 pm
Nonstop4h 21m
San FranciscoSt. Louis
SFO - STL
SFOSTL
San Francisco
Sun 8/17
6:52 pm-1:42 pm
1 stop16h 50m
Lambert-St Louis
Sun 8/24
5:10 pm-8:06 am
1 stop16h 56m
San FranciscoSt. Louis
SFO - STL
SFOSTL
San Francisco
Mon 8/11
12:40 am-8:34 am
1 stop5h 54m
Lambert-St Louis
Mon 8/18
7:11 pm-11:48 pm
1 stop6h 37m
San FranciscoSt. Louis
SFO - STL
SFOSTL
San Francisco
Tue 9/16
6:00 am-5:34 pm
1 stop9h 34m
San FranciscoSt. Louis
SFO - STL
SFOSTL
San Francisco
Thu 9/11
6:18 pm-11:21 am
1 stop15h 03m
To ensure you get the cheapest price possible for a flight from San Francisco to St. Louis, you should look to book at least 35 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, August is the cheapest month in which you can book a flight from San Francisco to St. Louis (average of $311). Flying from San Francisco to St. Louis in March is currently the most expensive (average of $356). 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 optimal to fly from San Francisco to St. Louis at noon. By choosing this option you can save up to 9% on the cost of your flight, compared to a flight in the afternoon.
Travelers seeking maximum savings on their San Francisco to St. Louis flight should consider departing on Tuesday evenings 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 SFO to STL are scheduled on a Monday (7 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (2 on average).
Overall
Boarding
Food
Entertainment
Comfort
Crew
Reviews
James,Apr 2025
LAX - SFO
Overall
Boarding
Food
Entertainment
Comfort
Crew
Reviews
James,Apr 2025
LAX - SFO
Overall
Boarding
Food
Entertainment
Comfort
Crew
Reviews
James,Apr 2025
LAX - SFO
Overall
Boarding
Food
Entertainment
Comfort
Crew
Reviews
James,Apr 2025
LAX - SFO
Overall
Boarding
Food
Entertainment
Comfort
Crew
Reviews
James,Apr 2025
LAX - SFO
Overall
Boarding
Food
Entertainment
Comfort
Crew
Reviews
James,Apr 2025
LAX - SFO
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
Cheapest$108 | Average$225 | FlexibilityNo cancel fee | On-time62% | |
Cheapest$202 | Average$352 | FlexibilityNo cancel fee | On-time71% | |
Cheapest$246 | Average$362 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$296 | Average$440 | FlexibilityNo cancel fee | On-time69% | |
Cheapest$304 | Average$445 | FlexibilityNo cancel fee | On-time63% |