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

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The best prices from San Francisco to Lambert-St Louis Intl 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 Lambert-St Louis Intl (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 Lambert-St Louis Intl

One-way from

$55

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

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 Lambert-St Louis Intl?

Users have found that flying from San Francisco to Lambert-St Louis Intl on a Saturday 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.

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

Users have found that booking a flight from San Francisco to Lambert-St Louis Intl at least 61 days early can save you up to 33% on average compared to booking a flight this week. If booking 61 days before your flight isn’t an option for you, users have found flights from San Francisco to Lambert-St Louis Intl for as little as $143 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $179 for flights departing within the next 3 days.

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

June can be a great time to fly to Lambert-St Louis Intl from San Francisco with a flight ticket averaging about $148. Cheapflights users have found deals in the month of June for as cheap as $77. The most expensive prices can be found in the month of July.

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

It’s typically best to fly out from San Francisco to Lambert-St Louis Intl 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 Lambert-St Louis Intl in March, April 2021

8 Apr - 11 Apr
$112pp
SFO
San Francisco
Frontier
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Frontier
 
1 STOP
SFO
San Francisco
28 Mar - 5 Apr
$115pp
SFO
San Francisco
Frontier
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Frontier
 
1 STOP
SFO
San Francisco
12 Mar - 16 Mar
$117pp
SFO
San Francisco
Frontier
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Frontier
 
1 STOP
SFO
San Francisco

San Francisco to Lambert-St Louis Intl 2021 flight deals

8 Apr - 11 Apr
$112pp
SFO
San Francisco
Frontier
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Frontier
 
1 STOP
SFO
San Francisco
28 Mar - 5 Apr
$115pp
SFO
San Francisco
Frontier
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Frontier
 
1 STOP
SFO
San Francisco
12 Mar - 16 Mar
$117pp
SFO
San Francisco
Frontier
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Frontier
 
1 STOP
SFO
San Francisco

Non-stop flights to Lambert-St Louis Intl from San Francisco

10 Apr - 20 Apr
$265pp
SFO
San Francisco
United Airlines
Non-Stop
STL
Lambert-St Louis
STL
Lambert-St Louis
United Airlines
Non-Stop
SFO
San Francisco
15 Apr - 18 Apr
$285pp
SFO
San Francisco
United Airlines
Non-Stop
STL
Lambert-St Louis
STL
Lambert-St Louis
United Airlines
Non-Stop
SFO
San Francisco
7 Apr - 13 Apr
$289pp
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 Lambert-St Louis Intl

9 Mar - 17 Mar
$140pp
SFO
San Francisco
Frontier
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Frontier
 
1 STOP
SFO
San Francisco
10 Mar - 17 Mar
$148pp
SFO
San Francisco
Frontier
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Frontier
 
1 STOP
SFO
San Francisco
11 Mar - 17 Mar
$150pp
SFO
San Francisco
Frontier
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Frontier
 
1 STOP
SFO
San Francisco

One-way flights to Lambert-St Louis Intl from San Francisco

8:59 pm - 3:51 pm
Frontier
1 Stop
16h 52m
SFO - STL
Frontier
$55
Kiwi.com
7:59 pm - 4:35 am
Frontier
1 Stop
6h 36m
SFO - STL
Frontier
$56
Kiwi.com
8:59 pm - 6:08 am
Frontier
1 Stop
7h 09m
SFO - STL
Frontier
$71
Kiwi.com

Related info for your journey

Flight FAQs

From San Francisco to Lambert-St Louis Intl

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 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 Lambert-St Louis Intl for under $200 on Cheapflights?

Yes, there are multiple flights from San Francisco to Lambert-St Louis Intl for under $200. The cheapest flight booked recently is on Frontier for just $112, but on average you can expect to pay $138.

Are there nonstop flights from San Francisco to Lambert-St Louis Intl for under $300 on Cheapflights?

Cheapflights has at least 8 direct flights from San Francisco to Lambert-St Louis Intl under $300. A good price for a nonstop flight from San Francisco to Lambert-St Louis Intl is less than $525.

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

There are currently 20+ open flights from San Francisco to Lambert-St Louis Intl 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 14 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 Lambert-St Louis Intl?

There are many flights that can get you from San Francisco to Lambert-St Louis Intl in 6h 35m. Fly via Frontier to get the fastest option.

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

According to our current data, Frontier ($112), offers the cheapest pricing from San Francisco to Lambert-St Louis Intl. Frontier is currently priced 67% below the average price you’ll pay for this route.

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

$55 is the cheapest one-way deal found within the past few days, from Frontier.

Alternative routes for San Francisco to Lambert-St Louis Intl

Destination information for Lambert-St Louis Intl

Average temperature for March in Lambert-St Louis Intl
59.0 °F
Avg rainfall for March in Lambert-St Louis Intl
3.3 ″

Airports servicing San Francisco

Airports servicing St. Louis

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

Airline Cheapest Average Flexibility On-time COVID-19 safety
Frontier
$104 $251 No cancel fee 62%
Sun Country Air
$111 $259 No cancel fee 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%
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