Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from San Francisco to St. Louis from $53

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Francisco to St. Louis departing on 1/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Deals available from 900+ travel sites.

"This year, momondo is the #1 place for airfares on the internet."
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.
Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.
Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.
Price Alerts
Price Alerts
Not ready to book? to track prices.

Find the cheapest flights from San Francisco to St. Louis

Cheap round-trip flights

These are some of the best round-trip flight deals from San Francisco to St. Louis that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from San Francisco to St. Louis.

Cheap last minute flights

Planning a quick getaway from San Francisco to St. Louis? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to St. Louis, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from San Francisco to St. Louis

Find recent round-trip train or bus tickets from San Francisco to St. Louis.

All round-trip flight deals to St. Louis

The cheapest plane tickets to St. Louis found on KAYAK recently.
9:10 pm - 8:13 amSFO-STL
9h 03m1 stop
6:46 pm - 12:11 amSTL-SFO
7h 25m1 stop
$108Frontier
Find Deal
Thu, Dec 5 - Mon, Dec 9
6:55 am - 9:06 amSFO-STL
24h 11m1 stop
7:09 pm - 12:09 amSTL-SFO
7h 00m1 stop
$118Frontier
Find Deal
Tue, Jan 14 - Mon, Jan 20
12:00 pm - 5:56 pmSFO-STL
3h 56mnonstop
7:00 am - 9:36 amSTL-SFO
4h 36mnonstop
$207United Airlines
Find Deal
Wed, Dec 4 - Wed, Dec 11
12:10 pm - 6:09 pmSFO-STL
3h 59mnonstop
7:00 am - 9:45 amSTL-SFO
4h 45mnonstop
$217United Airlines
Find Deal
Wed, Jan 8 - Wed, Jan 15
9:15 am - 7:30 pmSFO-STL
8h 15m2 stops
1:40 pm - 8:57 pmSTL-SFO
9h 17m1 stop
$241American Airlines
Find Deal
Wed, Jan 8 - Wed, Jan 15
1:58 pm - 11:59 pmSFO-STL
8h 01m1 stop
5:45 am - 11:28 amSTL-SFO
7h 43m1 stop
$271American Airlines
Find Deal
Fri, Dec 6 - Sun, Dec 8
12:25 am - 10:40 amSFO-STL
8h 15m1 stop
6:00 am - 12:42 pmSTL-SFO
8h 42m1 stop
$276Delta
Find Deal
Fri, Dec 13 - Mon, Dec 16
12:25 am - 10:40 amSFO-STL
8h 15m1 stop
6:00 am - 11:26 amSTL-SFO
7h 26m1 stop
$311Delta
Find Deal
Wed, Dec 11 - Sun, Dec 15
6:05 am - 5:10 pmSFO-STL
9h 05m2 stops
11:00 am - 5:35 pmSTL-SFO
8h 35m2 stops
$356Southwest
Find Deal
Wed, Jan 15 - Tue, Jan 21
6:05 am - 5:20 pmSFO-STL
9h 15m2 stops
12:25 pm - 7:15 pmSTL-SFO
8h 50m2 stops
$382Southwest
Find Deal
Wed, Jan 15 - Fri, Jan 17
10:54 am - 7:31 pmSFO-STL
6h 37m1 stop
$53Frontier
Find Deal
Thu, Jan 23
9:59 pm - 11:10 amSFO-STL
11h 11m1 stop
$60Frontier
Find Deal
Sat, Jan 4
12:00 pm - 5:56 pmSFO-STL
3h 56mnonstop
$104United Airlines
Find Deal
Fri, Dec 6
12:10 pm - 6:09 pmSFO-STL
3h 59mnonstop
$109United Airlines
Find Deal
Tue, Jan 7
1:22 pm - 10:10 pmSFO-STL
6h 48m1 stop
$113American Airlines
Find Deal
Wed, Nov 27
12:17 am - 9:57 amSFO-STL
7h 40m1 stop
$116American Airlines
Find Deal
Wed, Nov 27
7:50 pm - 9:55 amSFO-STL
12h 05m1 stop
$124Southwest
Find Deal
Mon, Feb 17
12:27 pm - 9:33 pmSFO-STL
7h 06m1 stop
$128Delta
Find Deal
Sat, Jan 18
12:40 am - 10:40 amSFO-STL
8h 00m1 stop
$138Delta
Find Deal
Thu, Nov 28
10:20 am - 4:00 pmSFO-STL
3h 40mnonstop
$149Southwest
Find Deal
Fri, Nov 29
9:09 pm - 12:06 amSFO-STL
24h 57m1 stop
6:46 pm - 12:50 pmSTL-SFO
20h 04m1 stop
$254Frontier
Find Deal
Sat, Nov 23 - Sat, Dec 7
9:09 pm - 12:34 pmSFO-STL
13h 25m1 stop
5:38 pm - 11:13 amSTL-SFO
19h 35m1 stop
$364Frontier
Find Deal
Sat, Nov 23 - Mon, Nov 25
9:09 pm - 12:34 pmSFO-STL
13h 25m1 stop
10:17 pm - 3:26 pmSTL-SFO
19h 09m1 stop
$374Frontier
Find Deal
Sat, Nov 23 - Sun, Nov 24
7:59 pm - 1:27 pmSFO-STL
15h 28m2 stops
5:38 pm - 12:34 amSTL-SFO
8h 56m1 stop
Sun, Nov 24 - Tue, Nov 26
6:25 pm - 12:16 amSFO-STL
3h 51mnonstop
7:00 am - 9:36 amSTL-SFO
4h 36mnonstop
$672United Airlines
Find Deal
Sat, Nov 23 - Sat, Dec 7
7:20 am - 4:37 pmSFO-STL
7h 17m1 stop
7:00 am - 9:36 amSTL-SFO
4h 36mnonstop
$677United Airlines
Find Deal
Sat, Nov 23 - Sat, Dec 7
9:27 am - 6:51 pmSFO-STL
7h 24m1 stop
1:00 pm - 9:56 pmSTL-SFO
10h 56m2 stops
Fri, Nov 22 - Sun, Nov 24
9:55 am - 3:35 pmSFO-STL
3h 40mnonstop
1:30 pm - 3:55 pmSTL-SFO
4h 25mnonstop
$1,048Southwest
Find Deal
Sat, Nov 23 - Sun, Nov 24
12:40 am - 10:40 amSFO-STL
8h 00m1 stop
6:00 am - 12:40 pmSTL-SFO
8h 40m1 stop
$1,066Delta
Find Deal
Fri, Nov 22 - Mon, Nov 25
12:40 am - 10:40 amSFO-STL
8h 00m1 stop
6:35 pm - 12:05 amSTL-SFO
7h 30m1 stop
$1,202Delta
Find Deal
Mon, Nov 25 - Sun, Dec 1
12:00 pm - 5:56 pmSFO-STL
3h 56mnonstop
7:00 am - 9:36 amSTL-SFO
4h 36mnonstop
$207United Airlines
Find Deal
Wed, Dec 4 - Wed, Dec 11
12:10 pm - 6:09 pmSFO-STL
3h 59mnonstop
7:00 am - 9:45 amSTL-SFO
4h 45mnonstop
$217United Airlines
Find Deal
Wed, Jan 8 - Wed, Jan 15
1:00 pm - 6:59 pmSFO-STL
3h 59mnonstop
7:00 am - 9:45 amSTL-SFO
4h 45mnonstop
$245United Airlines
Find Deal
Sat, Jan 18 - Mon, Jan 20
6:35 pm - 12:28 amSFO-STL
3h 53mnonstop
7:00 am - 9:45 amSTL-SFO
4h 45mnonstop
$257United Airlines
Find Deal
Tue, Dec 24 - Tue, Feb 4
12:00 pm - 5:56 pmSFO-STL
3h 56mnonstop
7:00 am - 9:36 amSTL-SFO
4h 36mnonstop
$267United Airlines
Find Deal
Fri, Dec 13 - Mon, Dec 16
12:10 pm - 6:09 pmSFO-STL
3h 59mnonstop
7:00 am - 9:45 amSTL-SFO
4h 45mnonstop
$286United Airlines
Find Deal
Fri, Jan 17 - Mon, Jan 20
12:00 pm - 5:56 pmSFO-STL
3h 56mnonstop
7:00 am - 9:36 amSTL-SFO
4h 36mnonstop
$297United Airlines
Find Deal
Fri, Dec 6 - Tue, Dec 10
12:10 pm - 6:09 pmSFO-STL
3h 59mnonstop
7:00 am - 9:45 amSTL-SFO
4h 45mnonstop
$307United Airlines
Find Deal
Tue, Jan 14 - Mon, Jan 20
12:00 pm - 5:56 pmSFO-STL
3h 56mnonstop
7:00 am - 9:36 amSTL-SFO
4h 36mnonstop
$342United Airlines
Find Deal
Fri, Dec 6 - Mon, Dec 9
12:10 pm - 6:09 pmSFO-STL
3h 59mnonstop
7:00 am - 9:45 amSTL-SFO
4h 45mnonstop
$348United Airlines
Find Deal
Mon, Jan 20 - Thu, Jan 23

Frontier flights from San Francisco to St. Louis

Our best Frontier deals on San Francisco to St. Louis flight tickets
Frontier
Dec 5
SFO9:10 pmSan Francisco
9h 03m
1 stop
STL8:13 amLambert-St Louis
Dec 9
STL6:46 pmLambert-St Louis
7h 25m
1 stop
SFO12:11 amSan Francisco
Frontier
Jan 14
SFO6:55 amSan Francisco
24h 11m
1 stop
STL9:06 amLambert-St Louis
Jan 20
STL7:09 pmLambert-St Louis
7h 00m
1 stop
SFO12:09 amSan Francisco
Frontier
Dec 13
SFO9:10 pmSan Francisco
9h 03m
1 stop
STL8:13 amLambert-St Louis
Dec 16
STL8:34 pmLambert-St Louis
13h 18m
1 stop
SFO7:52 amSan Francisco

United Airlines flights from San Francisco to St. Louis

Our best United Airlines deals on San Francisco to St. Louis flight tickets
United Airlines
Dec 4
SFO12:00 pmSan Francisco
3h 56m
STL5:56 pmLambert-St Louis
Dec 11
STL7:00 amLambert-St Louis
4h 36m
SFO9:36 amSan Francisco
United Airlines
Jan 8
SFO12:10 pmSan Francisco
3h 59m
STL6:09 pmLambert-St Louis
Jan 15
STL7:00 amLambert-St Louis
4h 45m
SFO9:45 amSan Francisco
United Airlines
Dec 3
SFO12:30 amSan Francisco
7h 17m
1 stop
STL9:47 amLambert-St Louis
Dec 11
STL4:45 pmLambert-St Louis
8h 12m
1 stop
SFO10:57 pmSan Francisco

See travel insights to St. Louis from

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 from San Francisco to St. Louis?

February. The cheapest time of year to fly to St. Louis from San Francisco is February. Most expensive is June

What is the cheapest day to depart San Francisco for St. Louis?

Tuesday. The cheapest day of the week is typically Tuesday. The most expensive is typically Friday

When is the cheapest time to fly from San Francisco to St. Louis?

At noon. San Francisco to St. Louis flights are approximately 30% more expensive in the morning than at noon

What is the cheapest San Francisco to St. Louis flight route?

San Francisco - Lambert-St Louis. Fly from San Francisco to Lambert-St Louis for the best San Francisco - St. Louis flight prices

How far in advance should you book San Francisco to St. Louis flights?

35 days before. The cheapest time to buy a flight from San Francisco to St. Louis is approximately 35 days to departure

What cabin class options are available on San Francisco to St. Louis flights?

There are 2 cabin classes available to choose from on San Francisco to St. Louis flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on San Francisco to St. Louis flights?

You could potentially save up to 49% on your flight if you consider stops on a San Francisco to St. Louis flight.

How have San Francisco to St. Louis flight prices changed over time?

As of November 2024, prices for San Francisco to St. Louis flights are approximately 19% cheaper when compared to flights at the same time last year.

When to book flights from San Francisco to St. Louis

Are you open to changing your travel dates? Check out the ideal times to fly from San Francisco to St. Louis according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap San Francisco to St. Louis (SFO to STL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Francisco to St. Louis

Best Price Found

$53

Fastest flight time

3h 40m

Direct flights

Every day

Airports in St. Louis

1 airport
The best one-way flight to St. Louis from San Francisco in the past 72 hours is $53. The best round-trip flight deal from San Francisco to St. Louis found on momondo in the last 72 hours is $108.
The fastest flight from San Francisco to St. Louis takes 3h 40m
Direct flights go from San Francisco to St. Louis every day.
There is 1 airport near St. Louis: Lambert-St Louis (STL)

  • How far is San Francisco to Lambert-St Louis by plane?

    The straight-line distance from San Francisco to Lambert-St Louis is 1739.7 mi. 3h 46m is a normal flight duration for this route.

  • When did momondo last update prices for flights from San Francisco Airport to Lambert-St Louis Airport?

    Prices for flights from San Francisco Airport to Lambert-St Louis Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from San Francisco Airport to Lambert-St Louis Airport?

  • How old do you have to be to fly from San Francisco Airport to Lambert-St Louis Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from San Francisco Airport to Lambert-St Louis Airport.

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The travel and health documents you'll need for your trip to Lambert-St Louis Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Lambert-St Louis Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from San Francisco to St. Louis?

  • What is the most popular airline from San Francisco to St. Louis?


Best airlines flying from San Francisco to St. Louis

Compare and see reviews for airlines that fly from San Francisco to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $118Free CancellationRating
6.1
3,539 reviews
Search Frontier flights
American AirlinesPriceFrom $257Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $262Free CancellationRating
8.0
8,758 reviews
Search Delta flights
United AirlinesPriceFrom $279Free CancellationRating
7.4
9,172 reviews
Search United Airlines flights
SouthwestPriceFrom $319Free CancellationRating
8.1
5,015 reviews
Search Southwest flights
  • Southwest Flights From San Francisco to St. Louis

    The lowest priced Southwest flight from San Francisco to St. Louis from the last 72 hours was $319. Generally, Southwest has 4 flights on this route every week with an average price of $428. Southwest is rated 8.1/10 by our users.

  • United Airlines Flights From San Francisco to St. Louis

    Another popular option for San Francisco to St. Louis flights is United Airlines (7.4/10, 9,172 ratings). United Airlines flies from San Francisco to St. Louis around 14 times per week, with deals starting from $279 round-trip and rising to an average price of around $443.


Why use momondo?

Why should I use momondo to find a flight deal from San Francisco to St. Louis?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from San Francisco to St. Louis for you.

Can I find flights from San Francisco to St. Louis with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for San Francisco to St. Louis flights to just show those with flexible booking policies.

How can momondo help me find flights from San Francisco to St. Louis?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to St. Louis from San Francisco.

I’m not ready to book a flight from San Francisco to St. Louis right now. Can momondo alert me if prices change?

Price alerts on flights to St. Louis from San Francisco are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.


An easier way to manage your St. Louis trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
From?
To?
Tue 11/26
Tue 12/3
Email me momondo's favorite deals

Find better results for your trip to the United States