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

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The best prices from Lambert-St Louis to San Francisco are usually found in July or August, booked 20 days in advance, depart on a Tuesday or Wednesday and return on a Saturday

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

All the information you need to plan the best STL to SFO flight in 2022: compare St. Louis to San Francisco flight prices with the expected peak season, weather and rainfall in San Francisco.
STL - SFO
Price
$254 - $400
SFO
Temperature
51.8 - 62.6 °F
SFO
Precipitation
0 - 4.4 inches

Popular in

March

High demand for flights, 17% potential price rise

Cheapest in

July

Best time to find cheap flights, 24% potential price drop

Round-trip from

$254

From Lambert-St Louis to San Francisco

One-way from

$113

One-way flight from Lambert-St Louis to San Francisco

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

July can be a great time to fly to San Francisco from St. Louis with a flight ticket averaging about $334. Cheapflights users have found deals in the month of July for as cheap as $172. The most expensive prices can be found in the month of March.

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

To save up to 8% on this flight, we recommend booking at least 18 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from St. Louis to San Francisco from $297 1-2 weeks out and tickets from $333 for flights departing within the next 72 hours.

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

Users have found that flying from St. Louis to San Francisco on a Thursday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

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

It’s typically best to fly out from St. Louis to San Francisco at noon. Doing so could potentially save you 11% on the flight price compared to flying in the afternoon, which is usually more expensive.

Cheap flights from St. Louis to San Francisco in January, February 2022

The best prices found for STL to SFO flights for January, February
9 Feb - 13 Feb
$115pp
STL
Lambert-St Louis
Frontier
 
1 STOP
SFO
San Francisco
SFO
San Francisco
Frontier
 
1 STOP
STL
Lambert-St Louis
7 Feb - 9 Feb
$116pp
STL
Lambert-St Louis
Frontier
 
1 STOP
SFO
San Francisco
SFO
San Francisco
Frontier
 
1 STOP
STL
Lambert-St Louis
31 Jan - 6 Feb
$125pp
STL
Lambert-St Louis
Frontier
 
1 STOP
SFO
San Francisco
SFO
San Francisco
Frontier
 
1 STOP
STL
Lambert-St Louis

Lambert-St Louis to San Francisco 2022 flight deals

Cheap flights to San Francisco from St. Louis found for this year
9 Feb - 13 Feb
$115pp
STL
Lambert-St Louis
Frontier
 
1 STOP
SFO
San Francisco
SFO
San Francisco
Frontier
 
1 STOP
STL
Lambert-St Louis
7 Feb - 9 Feb
$116pp
STL
Lambert-St Louis
Frontier
 
1 STOP
SFO
San Francisco
SFO
San Francisco
Frontier
 
1 STOP
STL
Lambert-St Louis
31 Jan - 6 Feb
$125pp
STL
Lambert-St Louis
Frontier
 
1 STOP
SFO
San Francisco
SFO
San Francisco
Frontier
 
1 STOP
STL
Lambert-St Louis

Non-stop flights to San Francisco from St. Louis

Save time with St. Louis to San Francisco direct flight deals
21 Jun - 28 Jun
$565pp
STL
Lambert-St Louis
United Airlines
Non-Stop
SFO
San Francisco
SFO
San Francisco
United Airlines
Non-Stop
STL
Lambert-St Louis
4 Jun - 9 Jun
$595pp
STL
Lambert-St Louis
United Airlines
Non-Stop
SFO
San Francisco
SFO
San Francisco
United Airlines
Non-Stop
STL
Lambert-St Louis
22 Jun - 28 Jun
$616pp
STL
Lambert-St Louis
United Airlines
Non-Stop
SFO
San Francisco
SFO
San Francisco
United Airlines
Non-Stop
STL
Lambert-St Louis

Last minute flights from St. Louis to San Francisco

Late deals on round-trip flights to San Francisco from St. Louis, departing today and this week
31 Jan - 6 Feb
$125pp
STL
Lambert-St Louis
Frontier
 
1 STOP
SFO
San Francisco
SFO
San Francisco
Frontier
 
1 STOP
STL
Lambert-St Louis
31 Jan - 7 Feb
$132pp
STL
Lambert-St Louis
Frontier
 
1 STOP
SFO
San Francisco
SFO
San Francisco
Frontier
 
1 STOP
STL
Lambert-St Louis
31 Jan - 3 Feb
$133pp
STL
Lambert-St Louis
Multiple Airlines
 
1 STOP
SFO
San Francisco
SFO
San Francisco
Multiple Airlines
 
1 STOP
STL
Lambert-St Louis

One-way flights to San Francisco from St. Louis

The cheapest one-way flights from St. Louis to San Francisco
9:55 am - 5:04 pm
American Airlines
2 Stops
9h 09m
STL - SFO
American Airlines
11:20 am - 5:39 am
Frontier
2 Stops
20h 19m
STL - SFO
Frontier
$124
Kiwi.com
6:39 am - 4:15 am
Multiple Airlines
1 Stop
23h 36m
STL - SFO
Multiple Airlines
$128
Kiwi.com

Related info for your journey

Useful info, stats and facts about <span class="emphasized">St. Louis</span> to <span class="emphasized">San Francisco</span> flights.

Flight FAQs

From St. Louis to San Francisco

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

Due to the rapidly changing circumstances due to COVID-19, airlines like United Airlines, Frontier, and American Airlines flying from Lambert-St Louis to San Francisco have implemented new flexible cancellation policies.

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

Yes, there are multiple flights from St. Louis to San Francisco for under $200. The cheapest flight booked recently is on Frontier for just $115, but on average you can expect to pay $142.

Are there nonstop flights from St. Louis to San Francisco for under $600 on Cheapflights?

Cheapflights has at least 7 direct flights from St. Louis to San Francisco under $600. A good price for a nonstop flight from St. Louis to San Francisco is less than $654.

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

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

How popular is this St. Louis to San Francisco flight route?

This flight path from Lambert-St Louis to San Francisco was viewed by 78 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

According to our current data, Frontier ($115), offers the cheapest pricing from St. Louis to San Francisco. Frontier is currently priced 65% below the average price you’ll pay for this route.

What are the most popular airlines that fly from St. Louis to San Francisco?

When booking a flight from St. Louis to San Francisco, you may want to consider flying on Major Airline, American Airlines or Alaska Airlines as they are the most popular for this route.

What are the cheapest flights from St. Louis to San Francisco?

Looking for the cheapest flight from St. Louis to San Francisco? While on average our users pay $476, our data indicates the cheapest price to be $79. The most popular route (Lambert-St Louis - San Francisco), is priced around $139.

COVID Restrictions

View COVID Travel Restrictions for San Francisco, CA

Do I need a COVID test to fly to San Francisco from St. Louis?

Information is based on travel restrictions for travel to San Francisco within the United States

Most visitors from Lambert-St Louis need to provide a negative COVID-19 test result and/or quarantine to enter San Francisco.

COVID-19 testing requirements
Visitors from Lambert-St Louis must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 24 hours before departing to San Francisco.

Quarantine requirements
Visitors from Lambert-St Louis are not required to quarantine after entering San Francisco.

Do I need a test to fly back to St. Louis from San Francisco?

Returning to Lambert-St Louis from San Francisco

COVID-19 testing requirements
Visitors from San Francisco must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 24 hours before departing to Lambert-St Louis.

Quarantine requirements
Visitors from San Francisco are not required to quarantine after entering Lambert-St Louis.

Hide COVID Travel Restrictions for San Francisco, CA

Alternative routes for St. Louis to San Francisco

See prices for flight routes from nearby airports that may be better suited for you.

Destination information for San Francisco

Things to know before you go - useful duration and weather info for your trip from St. Louis to San Francisco.
Average temperature for January in San Francisco
59.0 °F
Avg rainfall for January in San Francisco
2.2 ″

Airports servicing St. Louis

Airports servicing San Francisco

Top 7 airlines flying from Lambert-St Louis to San Francisco

The chart below displays the airlines Cheapflights users traveling from St. Louis to San Francisco 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
$107 $246 No cancel fee 62%
Delta
$137 $313 No cancel fee N/A
Alaska Airlines
$139 $308 No cancel fee 75%
Sun Country Air
$141 $261 No cancel fee 83%
American Airlines
$152 $334 No cancel fee 71%
United Airlines
$183 $404 No cancel fee 69%
Southwest
$223 $504 No cancel fee 63%

Hourly flight availability from St. Louis to San Francisco

See what time of day planes typically take off from St. Louis towards San Francisco.
Morning 6 AM to noon 100% of STL to SFO departures
Early morning Midnight to 6 AM 0% of STL to SFO departures
Afternoon Noon to 6 PM 0% of STL to SFO departures
Evening 6 PM to midnight 0% of STL to SFO departures
Midnight
6 AM
Noon
6 PM
Weekly flight availability
from St. Louis to San Francisco
See how many times per day planes take to the skies headed from St. Louis to San Francisco.
Sunday
0 flights
Monday
0 flights
Tuesday
0 flights
Wednesday
0 flights
Thursday
0 flights
Friday
0 flights
Saturday
1 daily flight
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