Save time at SFO by using the AirTrain Red Line to quickly navigate between terminals and security checkpoints.
Most accurate provider | FlightHub 3 stars |
---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $220 (Frontier) |
One-way from | $78 (Cheapflightsfares) |
Popular in | June |
Cheapest in | January |
Average price | $375 |
Good round-trip deal | $378 or less |
Good one-way deal | $184 or less |
Fly from
Fly to
Route
Depart
Return
Price
San FranciscoSt. Louis
SFO - STL
SFOSTL
San Francisco
Wed 11/19
10:50 am-4:35 pm
Nonstop3h 45m
Lambert-St Louis
Wed 12/3
5:35 am-9:55 am
1 stop6h 20m
San FranciscoSt. Louis
SFO - STL
SFOSTL
San Francisco
Tue 11/18
12:30 am-8:55 am
1 stop6h 25m
Lambert-St Louis
Wed 12/3
2:07 pm-8:59 pm
1 stop8h 52m
San FranciscoSt. Louis
SFO - STL
SFOSTL
San Francisco
Fri 12/5
7:25 pm-2:27 pm
1 stop17h 02m
Lambert-St Louis
Tue 12/9
7:00 am-2:03 pm
1 stop9h 03m
San FranciscoSt. Louis
SFO - STL
SFOSTL
San Francisco
Wed 11/19
12:59 am-8:56 am
1 stop5h 57m
Lambert-St Louis
Wed 11/26
5:00 am-12:30 pm
1 stop9h 30m
San FranciscoSt. Louis
SFO - STL
SFOSTL
San Francisco
Fri 11/7
9:25 pm-9:40 am
1 stop10h 15m
Lambert-St Louis
Wed 11/12
11:25 am-1:55 pm
Nonstop4h 30m
San FranciscoSt. Louis
SFO - STL
SFOSTL
San Francisco
Thu 12/4
10:30 am-8:05 pm
2 stops7h 35m
Lambert-St Louis
Mon 12/8
4:35 pm-10:30 pm
1 stop7h 55m
San FranciscoSt. Louis
SFO - STL
SFOSTL
San Francisco
Thu 11/6
12:43 am-10:39 am
1 stop7h 56m
Lambert-St Louis
Wed 11/12
1:35 pm-5:50 pm
1 stop6h 15m
San FranciscoSt. Louis
SFO - STL
SFOSTL
San Francisco
Thu 11/6
8:00 am-11:59 pm
2 stops13h 59m
Lambert-St Louis
Fri 11/7
4:14 pm-10:41 pm
1 stop8h 27m
San FranciscoSt. Louis
SFO - STL
SFOSTL
San Francisco
Tue 11/25
2:30 pm-11:54 pm
1 stop7h 24m
Lambert-St Louis
Tue 12/9
7:00 am-2:03 pm
1 stop9h 03m
San FranciscoSt. Louis
SFO - STL
SFOSTL
San Francisco
Tue 10/28
10:35 am-4:27 pm
Nonstop3h 52m
Provider | Price Accuracy | Trust Score* |
---|---|---|
Price Accuracy2 stars | Trust Score*3 stars | |
Price Accuracy3 stars | Trust Score*3 stars | |
Price Accuracy3 stars | Trust Score*3 stars | |
Price Accuracy3 stars | Trust Score*3 stars | |
Price Accuracy1 star | Trust Score*3 stars | |
Price Accuracy- | Trust Score*3 stars | |
Price Accuracy- | Trust Score*1 star |
To ensure you get the cheapest price possible for a flight from San Francisco to St. Louis, you should look to book at least 25 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 7% on the cost of your flight, compared to a flight in the evening.
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.
Entertainment
Crew
Boarding
Food
Overall
Comfort
Reviews
Walter,Aug 2025
OAK - SAN
Entertainment
Crew
Boarding
Food
Overall
Comfort
Reviews
Walter,Aug 2025
OAK - SAN
Entertainment
Crew
Boarding
Food
Overall
Comfort
Reviews
Walter,Aug 2025
OAK - SAN
Entertainment
Crew
Boarding
Food
Overall
Comfort
Reviews
Walter,Aug 2025
OAK - SAN
Entertainment
Crew
Boarding
Food
Overall
Comfort
Reviews
Walter,Aug 2025
OAK - SAN
Entertainment
Crew
Boarding
Food
Overall
Comfort
Reviews
Walter,Aug 2025
OAK - SAN
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
Cheapest$112 | Average$250 | FlexibilityNo cancel fee | On-time62% | |
Cheapest$189 | Average$368 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$216 | Average$346 | FlexibilityNo cancel fee | On-time71% | |
Cheapest$276 | Average$432 | FlexibilityNo cancel fee | On-time69% | |
Cheapest$303 | Average$454 | FlexibilityNo cancel fee | On-time63% |