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Cheap flights from San Francisco to St Louis (SFO - STL)

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The best prices from San Francisco to St Louis are usually found in August or July, booked 26 days in advance, depart on a Saturday or Wednesday and return on a Tuesday

How to find the cheapest flight from
San Francisco (SFO) to St Louis (STL)

SFO - STL
Price
$197 - $411
STL
Temperature
44.6 - 89.6 °F
STL
Rainfall
2.2 - 5.1 inches

Popular in

December

High demand for flights, 16% potential price rise

Cheapest in

August

Best time to find cheap flights, 43% potential price drop

Round-trip from

$197

From San Francisco to St Louis

One-way from

$45

One-way flight from San Francisco to St Louis

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from San Francisco to St Louis?

It’s generally more expensive to depart on a Friday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.

How far in advance should I book a flight from San Francisco to St Louis?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 31 days in advance, which can save you up to 96% on flights from San Francisco to St Louis compared to booking the week you need them. Waiting 31 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $374. For sooner than that we have options available in the next 3 days from $553.

What is the cheapest month to fly from San Francisco to St Louis?

Our data shows that August tends to be the cheapest month to fly to St Louis from San Francisco. Users have commonly found prices around $266 for the month, but tickets can be as low as $158. Due to multiple factors, prepare for potentially higher prices in December.

When is the cheapest time to fly from San Francisco to St Louis (SFO - STL)?

It’s typically best to fly out from San Francisco to St Louis at noon. Doing so could potentially save you 24% on the flight price compared to flying in the morning, which is usually more expensive.

Cheap flights from San Francisco to St Louis in November, December 2020

The best prices found for SFO to STL flights for November, December
17 Dec - 7 Jan
$118pp
SFO
San Francisco
Frontier
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Frontier
 
1 STOP
SFO
San Francisco
17 Dec - 4 Jan
$133pp
SFO
San Francisco
Frontier
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Frontier
 
1 STOP
SFO
San Francisco
18 Dec - 18 Jan
$148pp
SFO
San Francisco
Frontier
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Frontier
 
1 STOP
SFO
San Francisco

San Francisco to St Louis 2021 flight deals

Cheap flights to St Louis from San Francisco found for next year
17 Dec - 7 Jan
$118pp
SFO
San Francisco
Frontier
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Frontier
 
1 STOP
SFO
San Francisco
17 Dec - 4 Jan
$133pp
SFO
San Francisco
Frontier
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Frontier
 
1 STOP
SFO
San Francisco
18 Dec - 18 Jan
$148pp
SFO
San Francisco
Frontier
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Frontier
 
1 STOP
SFO
San Francisco

Non-stop flights to St Louis from San Francisco

Save time with San Francisco to St Louis direct flight deals
7 Jan - 14 Jan
$327pp
SFO
San Francisco
United Airlines
Non-Stop
STL
Lambert-St Louis
STL
Lambert-St Louis
United Airlines
Non-Stop
SFO
San Francisco

Last minute flights from San Francisco to St Louis

Late deals on round-trip flights to St Louis from San Francisco, departing today and this week
6 Dec - 14 Dec
$163pp
SFO
San Francisco
Frontier
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Frontier
 
1 STOP
SFO
San Francisco
10 Dec - 13 Dec
$168pp
SFO
San Francisco
Frontier
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Frontier
   
2 STOPS
SFO
San Francisco
10 Dec - 18 Dec
$171pp
SFO
San Francisco
Frontier
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Frontier
 
1 STOP
SFO
San Francisco

One-way flights to St Louis from San Francisco

The cheapest one-way flights from San Francisco to St Louis
6:09 am - 4:17 am
Frontier
1 Stop
20h 08m
SFO - STL
Frontier
$45
mytrip.com
7:59 pm - 5:37 am
Frontier
1 Stop
7h 38m
SFO - STL
Frontier
$67
Gotogate
4:30 am - 12:14 pm
Frontier
1 Stop
5h 44m
SFO - STL
Frontier

Related info for your journey

Useful info, stats and facts about San Francisco to St Louis flights.

Flight FAQs

From San Francisco to St Louis

Are flight prices decreasing from San Francisco to St Louis due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both San Francisco and St Louis for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

What safety measures are being taken by airlines flying from San Francisco to Lambert-St Louis to control the spread of COVID-19?

New policies can now be found on Alaska Airlines, Southwest, and Delta to help keep travelers safe while flying. New policies for travelers booking flights from San Francisco to Lambert-St Louis include masks being provided and required on board, daily cleaning and sanitization, use of HEPA filters, pre-flight testing for antibodies and symptoms, and socially distanced seating (for a limited time). Keep in mind that policies will vary by airline.

Which airlines flying from San Francisco to Lambert-St Louis have flexible cancellations due to COVID-19?

Some of the carriers operating flights from San Francisco to Lambert-St Louis that may be offering flexible cancellation policies are United Airlines, Frontier, and American Airlines. Our site will let you filter for all airlines offering greater flexibility due to COVID-19.

Can I find flights from San Francisco to St Louis for under $200 on Cheapflights?

Yes, there are multiple flights from San Francisco to St Louis for under $200. The cheapest flight booked recently is on Frontier for just $118, but on average you can expect to pay $164.

Are there nonstop flights from San Francisco to St Louis for under $400 on Cheapflights?

Cheapflights has at least 1 direct flight from San Francisco to St Louis under $400. A good price for a nonstop flight from San Francisco to St Louis is less than $327.

Are there last-minute flights available from San Francisco to St Louis for under $200?

There are currently 20+ open flights from San Francisco to St Louis within the next 7 days for less than $200.

How popular is this flight route?

The San Francisco to Lambert-St Louis flight path was viewed by 44 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

Does it rain more in San Francisco or St Louis?

In San Francisco, there will be less rainfall in San Francisco compared to St Louis over the next 11 days.

Is San Francisco weather warmer or cooler than St Louis?

Temperatures around the 90 °F's can be experienced in July. The weather in St Louis is hotter than in San Francisco. Plan for potential changes in flight availability as peak weather approaches in this location.

How long is the flight from San Francisco to St Louis?

There are many flights that can get you from San Francisco to St Louis in 5h 44m. Fly via Frontier to get the fastest option.

What is the cheapest airline to fly from San Francisco to St Louis round-trip?

Frontier, at $118, was found to be the cheapest airline from San Francisco to St Louis.. Frontier is 65% cheaper than the average price of flights available within the next 90 days to this destination.

What are the cheapest airlines to fly from San Francisco to St Louis one-way?

One-way options have recently been found by users for as low as $45 on Frontier.

Alternative routes for San Francisco to St Louis

Destination information for St Louis

Things to know before you go. Useful info for your trip from San Francisco to St Louis
Average temperature for November in St Louis
57.2 °F
Avg rainfall for November in St Louis
3.4 ″

Airports servicing San Francisco

Airports servicing St. Louis

Top 7 airlines from San Francisco to St Louis

The chart below displays the airlines Cheapflights users traveling from San Francisco to St Louis choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.

Airline Cheapest Average Flexibility On-time COVID-19 safety
Frontier
$104 $251 No cancel fee 62%
Sun Country Air
$111 $259 N/A 83%
Alaska Airlines
$133 $288 No cancel fee 75%
Delta
$147 $344 No cancel fee N/A
American Airlines
$152 $370 No cancel fee 71%
United Airlines
$218 $462 No cancel fee 69%
Southwest
$448 $650 No cancel fee 63%
Weekly flight availability
from San Francisco to St Louis
Sunday
0 flights
Monday
0 flights
Tuesday
1 daily flight
Wednesday
0 flights
Thursday
0 flights
Friday
1 daily flight
Saturday
0 flights
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