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Cheap flights from San Francisco to St. Louis
Round-trip
Economy
Flight information for San Francisco to St. Louis
(SFO to STL)
Find info about flight duration, direct flights, and airports for your flight from San Francisco to St. Louis
| Best Price Found | $163 | The best flight deal from San Francisco to St. Louis found on momondo in the last 72 hours is $163 |
| Fastest flight time | 4h 14m | The fastest flight from San Francisco to St. Louis takes 4h 14m. |
| Direct flights | None | There are no direct flights from San Francisco to St. Louis. Popular non-direct route for this connection is San Francisco - Lambert-St Louis. |
| Airports in St. Louis | 1 airport | There is 1 airport near St. Louis: Lambert-St Louis (STL) |
How to get the cheapest flight ticket from San Francisco to St. Louis
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to St. Louis?
August
The cheapest time of year to fly to St. Louis from San Francisco is August. Most expensive is December
What is the cheapest day to fly to St. Louis?
Saturday
The cheapest day of the week is typically Saturday. The most expensive is typically Sunday
When is the cheapest time to fly to St. Louis?
at noon
San Francisco to St. Louis flights are approximately 24% more expensive in the morning than at noon
What is the cheapest airline that flies to St. Louis?
Frontier
Frontier, Sun Country Air, and Alaska Airlines are the most popular carriers operating from San Francisco to St. Louis
What is the cheapest route?
San Francisco - Lambert-St Louis
Fly from San Francisco to Lambert-St Louis for the best San Francisco - St. Louis flight prices
SFO
San Francisco
STL
Lambert-St Louis
When is the cheapest time to book a flight to St. Louis?
26 days before
The cheapest time to buy a flight from San Francisco to St. Louis is approximately 26 days to departure
60
Days before departure
0
Easily compare round-trip flights from San Francisco to St. Louis
Below you can see the best fares for your round-trip flight route over the next three months. All fares were found on momondo this week. Browse the quickest and cheapest flights from San Francisco to St. Louis by changing tabs
Cheapest
Best
Quickest
Frontier
Dec 3
SFO
San Francisco
7h 46m
1 stop
STL
Lambert-St Louis
Dec 6
STL
Lambert-St Louis
8h 42m
1 stop
SFO
San Francisco
$148
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Multiple Airlines
Dec 10
SFO
San Francisco
21h 27m
1 stop
STL
Lambert-St Louis
Dec 15
STL
Lambert-St Louis
9h 48m
1 stop
SFO
San Francisco
$185
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Frontier
Dec 4
SFO
San Francisco
9h 48m
1 stop
STL
Lambert-St Louis
Dec 6
STL
Lambert-St Louis
8h 42m
1 stop
SFO
San Francisco
$153
Search deals
Find the cheapest one-way flights from San Francisco to St. Louis
If you're looking for one-way flights from San Francisco to St. Louis, view some of our deals below provided by Frontier
Cheapest
Best
Quickest
Frontier
Jan 1
SFO
San Francisco
7h 13m
1 stop
STL
Lambert-St Louis
$74
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Multiple Airlines
Dec 18
SFO
San Francisco
18h 32m
2 stops
STL
Lambert-St Louis
$91
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Frontier
Dec 20
SFO
San Francisco
14h 20m
1 stop
STL
Lambert-St Louis
$80
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Which airlines flying from San Francisco to Lambert-St Louis have COVID-19 safety policies in place?
Alaska Airlines, Southwest, and Delta have implemented additional safety measures to accommodate travelers. When flying from San Francisco to Lambert-St Louis, expect masks to be provided - they are required onboard. Aircrafts are also being cleaned thoroughly with enhanced products regularly. Additional policies include the installation of HEPA filters and pre-flight testing. Some airlines are even offering socially-distanced seating for a limited time. Keep in mind that policies will vary by airline.
Are airlines flying from San Francisco to Lambert-St Louis offering flexible cancellation due to COVID-19?
Some of our partner airlines flying from San Francisco to Lambert-St Louis are adopting new policies due to the global impact of COVID-19. Some of the airlines that may be waiving their cancellation fees are United Airlines, Frontier, and American Airlines. You can search for the full list of airlines like United Airlines that are offering this flexibility.