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Cheap flights from St. Louis to San Francisco 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 St. Louis to San Francisco departing on 1/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from St. Louis to San Francisco

Cheap round-trip flights

These are some of the best round-trip flight deals from St. Louis to San Francisco 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 St. Louis to San Francisco.

Cheap last minute flights

Planning a quick getaway from St. Louis to San Francisco? 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 San Francisco, so you can enjoy a seamless trip without layovers.

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

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

All round-trip flight deals to San Francisco

The cheapest plane tickets to San Francisco found on KAYAK recently.
6:46 pm - 12:11 amSTL-SFO
7h 25m1 stop
7:46 pm - 9:16 amSFO-STL
11h 30m1 stop
$108Frontier
Find Deal
Sat, Dec 7 - Tue, Feb 25
8:34 pm - 7:14 amSTL-SFO
12h 40m1 stop
6:05 am - 9:16 amSFO-STL
25h 11m1 stop
$118Frontier
Find Deal
Mon, Jan 13 - Thu, Jan 16
7:00 am - 9:36 amSTL-SFO
4h 36mnonstop
12:10 pm - 6:09 pmSFO-STL
3h 59mnonstop
$212United Airlines
Find Deal
Tue, Dec 10 - Mon, Jan 13
7:00 am - 9:36 amSTL-SFO
4h 36mnonstop
5:00 am - 12:43 pmSFO-STL
5h 43m1 stop
$217United Airlines
Find Deal
Sun, Dec 15 - Wed, Dec 18
4:08 pm - 8:52 pmSTL-SFO
6h 44m1 stop
10:10 pm - 8:54 amSFO-STL
8h 44m1 stop
$226American Airlines
Find Deal
Sat, Dec 7 - Mon, Dec 9
6:03 am - 10:48 amSTL-SFO
6h 45m1 stop
9:00 am - 7:23 pmSFO-STL
8h 23m1 stop
$236American Airlines
Find Deal
Sat, Jan 11 - Mon, Jan 13
6:30 am - 2:30 pmSTL-SFO
10h 00m1 stop
10:05 am - 3:55 pmSFO-STL
3h 50mnonstop
$272Southwest
Find Deal
Fri, Jan 31 - Tue, Feb 4
4:11 pm - 11:23 pmSTL-SFO
9h 12m1 stop
12:25 am - 10:40 amSFO-STL
8h 15m1 stop
$276Delta
Find Deal
Mon, Dec 9 - Fri, Dec 13
3:10 pm - 5:40 pmSTL-SFO
4h 30mnonstop
10:05 am - 3:55 pmSFO-STL
3h 50mnonstop
$303Southwest
Find Deal
Tue, Jan 14 - Wed, Jan 22
10:13 am - 6:39 pmSTL-SFO
10h 26m1 stop
12:10 am - 11:06 amSFO-STL
8h 56m1 stop
$316Delta
Find Deal
Tue, Dec 24 - Mon, Dec 30
6:46 pm - 12:11 amSTL-SFO
7h 25m1 stop
$53Frontier
Find Deal
Sat, Jan 11
6:53 pm - 12:43 amSTL-SFO
7h 50m1 stop
$54Frontier
Find Deal
Wed, Feb 26
7:00 am - 9:45 amSTL-SFO
4h 45mnonstop
$109United Airlines
Find Deal
Tue, Jan 7
10:01 am - 2:43 pmSTL-SFO
6h 42m1 stop
$113American Airlines
Find Deal
Wed, Nov 27
10:22 am - 6:09 pmSTL-SFO
9h 47m1 stop
$128Delta
Find Deal
Tue, Feb 18
9:00 am - 11:38 amSTL-SFO
4h 38mnonstop
$129United Airlines
Find Deal
Mon, Feb 24
6:00 am - 1:27 pmSTL-SFO
9h 27m1 stop
$138Delta
Find Deal
Sun, Dec 15
5:35 am - 12:55 pmSTL-SFO
9h 20m2 stops
$164Southwest
Find Deal
Fri, Feb 21
10:15 am - 7:15 pmSTL-SFO
11h 00m2 stops
$168Southwest
Find Deal
Sun, Feb 2
6:23 pm - 11:12 pmSTL-SFO
6h 49m1 stop
$298American Airlines
Find Deal
Sun, Mar 16
10:17 pm - 9:28 amSTL-SFO
13h 11m1 stop
9:09 pm - 12:06 amSFO-STL
24h 57m1 stop
$290Frontier
Find Deal
Sat, Nov 23 - Thu, Nov 28
5:38 pm - 11:13 amSTL-SFO
19h 35m1 stop
9:09 pm - 12:06 amSFO-STL
24h 57m1 stop
$292Frontier
Find Deal
Mon, Nov 25 - Thu, Nov 28
7:09 am - 9:45 amSTL-SFO
4h 36mnonstop
11:00 am - 4:56 pmSFO-STL
3h 56mnonstop
$672United Airlines
Find Deal
Mon, Nov 25 - Thu, Nov 28
7:09 am - 9:45 amSTL-SFO
4h 36mnonstop
7:20 am - 4:38 pmSFO-STL
7h 18m1 stop
$677United Airlines
Find Deal
Mon, Nov 25 - Fri, Nov 29
4:03 pm - 9:11 pmSTL-SFO
7h 08m1 stop
12:17 am - 9:57 amSFO-STL
7h 40m1 stop
$694American Airlines
Find Deal
Sat, Nov 23 - Wed, Nov 27
7:45 am - 12:00 pmSTL-SFO
6h 15m1 stop
6:00 am - 5:05 pmSFO-STL
9h 05m2 stops
$696Southwest
Find Deal
Mon, Nov 25 - Thu, Nov 28
2:45 pm - 10:25 pmSTL-SFO
9h 40m2 stops
5:00 am - 4:15 pmSFO-STL
9h 15m2 stops
$701Southwest
Find Deal
Mon, Nov 25 - Thu, Nov 28
7:55 am - 12:29 pmSTL-SFO
6h 34m1 stop
12:40 am - 10:40 amSFO-STL
8h 00m1 stop
$716Delta
Find Deal
Mon, Nov 25 - Thu, Nov 28
5:57 pm - 10:33 pmSTL-SFO
6h 36m1 stop
12:50 am - 8:54 amSFO-STL
6h 04m1 stop
$827American Airlines
Find Deal
Mon, Nov 25 - Sat, Nov 30
4:04 pm - 10:46 pmSTL-SFO
8h 42m1 stop
12:40 am - 10:40 amSFO-STL
8h 00m1 stop
$1,066Delta
Find Deal
Fri, Nov 22 - Mon, Nov 25
7:00 am - 9:36 amSTL-SFO
4h 36mnonstop
12:10 pm - 6:09 pmSFO-STL
3h 59mnonstop
$212United Airlines
Find Deal
Tue, Dec 10 - Mon, Jan 13
7:00 am - 9:45 amSTL-SFO
4h 45mnonstop
12:10 pm - 6:09 pmSFO-STL
3h 59mnonstop
$217United Airlines
Find Deal
Fri, Jan 10 - Tue, Jan 14
7:00 am - 9:45 amSTL-SFO
4h 45mnonstop
1:10 pm - 6:56 pmSFO-STL
3h 46mnonstop
$245United Airlines
Find Deal
Wed, Feb 12 - Thu, Feb 13
7:00 am - 9:36 amSTL-SFO
4h 36mnonstop
12:00 pm - 5:56 pmSFO-STL
3h 56mnonstop
$252United Airlines
Find Deal
Sun, Dec 15 - Wed, Dec 18
7:00 am - 9:45 amSTL-SFO
4h 45mnonstop
12:10 pm - 6:09 pmSFO-STL
3h 59mnonstop
$256United Airlines
Find Deal
Mon, Jan 13 - Thu, Jan 16
7:00 am - 9:45 amSTL-SFO
4h 45mnonstop
12:10 pm - 6:09 pmSFO-STL
3h 59mnonstop
$257United Airlines
Find Deal
Mon, Jan 13 - Wed, Jan 15
7:00 am - 9:36 amSTL-SFO
4h 36mnonstop
12:00 pm - 5:56 pmSFO-STL
3h 56mnonstop
$297United Airlines
Find Deal
Fri, Dec 6 - Mon, Dec 9
7:00 am - 9:36 amSTL-SFO
4h 36mnonstop
1:10 pm - 6:56 pmSFO-STL
3h 46mnonstop
$302United Airlines
Find Deal
Sat, Dec 7 - Tue, Feb 25
3:10 pm - 5:40 pmSTL-SFO
4h 30mnonstop
10:05 am - 3:55 pmSFO-STL
3h 50mnonstop
$303Southwest
Find Deal
Tue, Jan 14 - Wed, Jan 22
1:05 pm - 3:30 pmSTL-SFO
4h 25mnonstop
6:05 am - 11:55 amSFO-STL
3h 50mnonstop
$570Southwest
Find Deal
Thu, Mar 20 - Sun, Mar 23

Frontier flights from St. Louis to San Francisco

Our best Frontier deals on St. Louis to San Francisco flight tickets
Frontier
Dec 7
STL6:46 pmLambert-St Louis
7h 25m
1 stop
SFO12:11 amSan Francisco
Feb 25
SFO7:46 pmSan Francisco
11h 30m
1 stop
STL9:16 amLambert-St Louis
Frontier
Jan 13
STL8:34 pmLambert-St Louis
12h 40m
1 stop
SFO7:14 amSan Francisco
Jan 16
SFO6:05 amSan Francisco
25h 11m
1 stop
STL9:16 amLambert-St Louis
Frontier
Jan 10
STL6:49 pmLambert-St Louis
7h 22m
1 stop
SFO12:11 amSan Francisco
Jan 14
SFO6:55 amSan Francisco
24h 11m
1 stop
STL9:06 amLambert-St Louis

United Airlines flights from St. Louis to San Francisco

Our best United Airlines deals on St. Louis to San Francisco flight tickets
United Airlines
Nov 28
STL7:00 amLambert-St Louis
4h 36m
SFO9:36 amSan Francisco
Dec 5
SFO12:00 pmSan Francisco
3h 56m
STL5:56 pmLambert-St Louis
United Airlines
Dec 10
STL7:00 amLambert-St Louis
4h 36m
SFO9:36 amSan Francisco
Jan 13
SFO12:10 pmSan Francisco
3h 59m
STL6:09 pmLambert-St Louis
United Airlines
Dec 15
STL7:00 amLambert-St Louis
4h 36m
SFO9:36 amSan Francisco
Dec 18
SFO5:00 amSan Francisco
5h 43m
1 stop
STL12:43 pmLambert-St Louis

See travel insights to San Francisco from

How to get the cheapest flight ticket from St. Louis to San Francisco

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 San Francisco?

If you aren’t able to travel to San Francisco during the month of April, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $318.

What is the cheapest day to depart on your flight to San Francisco?

The cheapest day to depart from St. Louis to San Francisco is on a Tuesday when prices can be found for as low as $302. The most expensive day to fly to San Francisco is Monday, with ticket prices averaging around $417.

What is the cheapest time of day to depart on your flight to San Francisco?

Our data shows that the cheapest St. Louis to San Francisco flights are usually those with departure times in the evening. Our users have found flights to San Francisco in the evening for as low as $206. Flights in the morning are often more expensive with an average ticket price of $399.

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

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

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

The ideal time to book your flight to San Francisco is 57 days in advance when prices tend to average $362. In the past 72 hours, momondo users found flights from St. Louis to San Francisco for as low as $152.

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

There are 4 cabin classes available to choose from on Lambert-St Louis to San Francisco 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 St. Louis to San Francisco flights?

You could potentially save up to 51% on your flight if you consider stops on a St. Louis to San Francisco flight.

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

As of November 2024, prices for St. Louis to San Francisco flights are approximately 58% more expensive when compared to flights at the same time last year.

When to book flights from St. Louis to San Francisco

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

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

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

Best Price Found

$53

Fastest flight time

4h 25m

Direct flights

Every day

Airports in San Francisco

1 airport
The best one-way flight to San Francisco from St. Louis in the past 72 hours is $53. The best round-trip flight deal from St. Louis to San Francisco found on momondo in the last 72 hours is $108.
The fastest flight from St. Louis to San Francisco takes 4h 25m
Direct flights go from St. Louis to San Francisco every day.
There is 1 airport near San Francisco: San Francisco (SFO)

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

    There are 1739.7 mi between Lambert-St Louis and San Francisco. In terms of flight time, this usually takes a little over 4h 25m.

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

    Prices for flights from Lambert-St Louis Airport to San Francisco Airport are updated daily.

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Lambert-St Louis Airport to San Francisco Airport.

  • What documentation or ID do you need to fly to San Francisco Airport?

    The required travel and health documents for your San Francisco Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Francisco Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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

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


Best airlines flying from St. Louis to San Francisco

Compare and see reviews for airlines that fly from St. Louis to San Francisco with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $120Free CancellationRating
6.1
3,536 reviews
Search Frontier flights
United AirlinesPriceFrom $244Free CancellationRating
7.4
9,172 reviews
Search United Airlines flights
American AirlinesPriceFrom $254Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $256Free CancellationRating
8.0
8,755 reviews
Search Delta flights
SouthwestPriceFrom $307Free CancellationRating
8.1
5,005 reviews
Search Southwest flights
  • Southwest Flights From St. Louis to San Francisco

    Southwest is one of the most popular airlines flying from St. Louis to San Francisco, operating 8 flights/week on average for this route. A good Southwest flight deal for St. Louis to San Francisco starts from $307 round-trip, up to an average price of $412. Our users have rated Southwest at 8.1/10.

  • United Airlines Flights From St. Louis to San Francisco

    Another popular option for St. Louis to San Francisco flights is United Airlines (7.4/10, 9,172 ratings). United Airlines flies from St. Louis to San Francisco around 6 times per week, with deals starting from $244 round-trip and rising to an average price of around $404.


Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to San Francisco from St. Louis.

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

Yes. All flights to San Francisco from St. Louis on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from St. Louis to San Francisco.

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

Yes. momondo can track prices for St. Louis to San Francisco flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.


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