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Cheap flights from St. Louis to San Francisco from $72

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 2/7. 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

Enter your travel dates to find the best prices.
Frontier Logo
3:46 pm - 11:18 am
STL
-
SMF
21h 32m1 stop
Frontier Logo
12:03 pm - 2:46 pm
SMF
-
STL
24h 43m1 stop
$207Frontier
Sat, Jan 24 - Fri, Jan 30
Frontier Logo
3:46 pm - 11:18 am
STL
-
SMF
21h 32m1 stop
Frontier Logo
12:03 pm - 12:50 pm
SMF
-
STL
22h 47m1 stop
$219Frontier
Sat, Jan 24 - Sun, Feb 1
Alaska Airlines Logo
2:47 pm - 9:14 pm
STL
-
SMF
8h 27m1 stop
Alaska Airlines Logo
6:00 am - 1:51 pm
SMF
-
STL
29h 51m1 stop
$230Alaska Airlines
Sat, Feb 14 - Wed, Feb 18
Southwest Logo
5:55 am - 10:20 am
STL
-
SMF
6h 25m1 stop
Southwest Logo
12:35 pm - 10:20 pm
SMF
-
STL
7h 45m1 stop
$239Southwest
Tue, Feb 3 - Tue, Feb 10
Alaska Airlines Logo
6:19 pm - 2:05 pm
STL
-
SMF
21h 46m1 stop
Alaska Airlines Logo
6:30 pm - 2:23 pm
SMF
-
STL
17h 53m1 stop
$240Alaska Airlines
Sat, Feb 7 - Sat, Feb 14
United Airlines Logo
4:15 pm - 9:03 pm
STL
-
SMF
6h 48m1 stop
United Airlines Logo
5:00 am - 1:16 pm
SMF
-
STL
6h 16m1 stop
$243United Airlines
Tue, Feb 3 - Tue, Feb 10
Southwest Logo
5:55 am - 10:20 am
STL
-
SMF
6h 25m1 stop
Southwest Logo
12:10 pm - 10:05 pm
SMF
-
STL
7h 55m2 stops
$244Southwest
Tue, Feb 3 - Tue, Feb 10
Southwest Logo
5:55 am - 10:20 am
STL
-
SMF
6h 25m1 stop
Southwest Logo
6:55 am - 4:35 pm
SMF
-
STL
7h 40m2 stops
$245Southwest
Tue, Feb 24 - Tue, Mar 3
Frontier Logo
3:46 pm - 11:18 am
STL
-
SMF
21h 32m1 stop
Frontier Logo
12:42 pm - 11:59 pm
SMF
-
STL
33h 17m2 stops
$247Frontier
Sat, Feb 7 - Sat, Feb 14
Southwest Logo
6:00 am - 11:25 am
STL
-
SMF
7h 25m1 stop
Southwest Logo
8:25 am - 5:10 pm
SMF
-
STL
6h 45m2 stops
$248Southwest
Tue, Feb 3 - Tue, Feb 10

Frontier flights from St. Louis to Sacramento

Our best Frontier deals on St. Louis to Sacramento flight tickets
Frontier
Jan 24
STL3:46 pmLambert-St Louis
21h 32m
1 stop
SMF11:18 amSacramento Intl
Jan 30
SMF12:03 pmSacramento Intl
24h 43m
1 stop
STL2:46 pmLambert-St Louis
$207
Find similar
Frontier
Jan 24
STL3:46 pmLambert-St Louis
21h 32m
1 stop
SMF11:18 amSacramento Intl
Feb 1
SMF12:03 pmSacramento Intl
22h 47m
1 stop
STL12:50 pmLambert-St Louis
$219
Find similar
Frontier
Jan 24
STL3:46 pmLambert-St Louis
21h 32m
1 stop
SMF11:18 amSacramento Intl
Feb 2
SMF1:48 pmSacramento Intl
46h 58m
2 stops
STL2:46 pmLambert-St Louis
$249
Find similar

United Airlines flights from St. Louis to Sacramento

Our best United Airlines deals on St. Louis to Sacramento flight tickets
United Airlines
Feb 3
STL4:15 pmLambert-St Louis
6h 48m
1 stop
SMF9:03 pmSacramento Intl
Feb 10
SMF5:00 amSacramento Intl
6h 16m
1 stop
STL1:16 pmLambert-St Louis
$243
Find similar
United Airlines
Feb 6
STL2:45 pmLambert-St Louis
8h 18m
1 stop
SMF9:03 pmSacramento Intl
Feb 10
SMF12:58 pmSacramento Intl
6h 00m
1 stop
STL8:58 pmLambert-St Louis
$285
Find similar
United Airlines
Feb 6
STL2:45 pmLambert-St Louis
9h 08m
2 stops
SMF9:53 pmSacramento Intl
Feb 10
SMF12:58 pmSacramento Intl
6h 00m
1 stop
STL8:58 pmLambert-St Louis
$290
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to Sacramento that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated January 7, 2026.
Use the filters below to find and compare flights from St. Louis to Sacramento that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisSacramento

STL - SMF

STLSMF

Lambert-St Louis

Sat 1/24

3:46 pm-11:18 am

1 stop21h 32m

Sacramento Intl

Fri 1/30

12:03 pm-2:46 pm

1 stop24h 43m

$207

St. LouisSacramento

STL - SMF

STLSMF

Lambert-St Louis

Sat 1/24

3:46 pm-11:18 am

1 stop21h 32m

Sacramento Intl

Sun 2/1

12:03 pm-12:50 pm

1 stop22h 47m

$219

St. LouisSacramento

STL - SMF

STLSMF

Lambert-St Louis

Sat 2/14

2:47 pm-9:14 pm

1 stop8h 27m

Sacramento Intl

Wed 2/18

6:00 am-1:51 pm

1 stop29h 51m

$230

St. LouisSacramento

STL - SMF

STLSMF

Lambert-St Louis

Tue 2/3

5:55 am-10:20 am

1 stop6h 25m

Sacramento Intl

Tue 2/10

12:35 pm-10:20 pm

1 stop7h 45m

$239

St. LouisSacramento

STL - SMF

STLSMF

Lambert-St Louis

Sat 2/7

6:19 pm-2:05 pm

1 stop21h 46m

Sacramento Intl

Sat 2/14

6:30 pm-2:23 pm

1 stop17h 53m

$240

St. LouisSacramento

STL - SMF

STLSMF

Lambert-St Louis

Tue 2/3

4:15 pm-9:03 pm

1 stop6h 48m

Sacramento Intl

Tue 2/10

5:00 am-1:16 pm

1 stop6h 16m

$243

St. LouisSacramento

STL - SMF

STLSMF

Lambert-St Louis

Tue 2/3

5:55 am-10:20 am

1 stop6h 25m

Sacramento Intl

Tue 2/10

12:10 pm-10:05 pm

2 stops7h 55m

$244

St. LouisSacramento

STL - SMF

STLSMF

Lambert-St Louis

Tue 2/24

5:55 am-10:20 am

1 stop6h 25m

Sacramento Intl

Tue 3/3

6:55 am-4:35 pm

2 stops7h 40m

$245

St. LouisSacramento

STL - SMF

STLSMF

Lambert-St Louis

Sat 2/7

3:46 pm-11:18 am

1 stop21h 32m

Sacramento Intl

Sat 2/14

12:42 pm-11:59 pm

2 stops33h 17m

$247

St. LouisSacramento

STL - SMF

STLSMF

Lambert-St Louis

Tue 2/3

6:00 am-11:25 am

1 stop7h 25m

Sacramento Intl

Tue 2/10

8:25 am-5:10 pm

2 stops6h 45m

$248

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to San Francisco from

How to get the cheapest flight ticket from St. Louis to Sacramento

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 Sacramento?

The month of April is, on average, the cheapest month to fly to Sacramento from St. Louis, with most prices found around $312. If you are unable to visit Sacramento during the month of April, then departing from St. Louis during the month May is also very affordable. Most momondo users find prices during this month for around $315.

What is the cheapest day to depart on your flight to Sacramento?

The cheapest day to depart from St. Louis to Sacramento is on a Wednesday when prices can be found for as low as $455. Flights from St. Louis to Sacramento on a Sunday will generally be more expensive and average around $672. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

According to our data, the cheapest time of day to fly to Sacramento is in the afternoon. momondo users have found flights departing from St. Louis to Sacramento in the afternoon for as low as $523. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Try not to purchase tickets at noon because they tend to be around $566. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Lambert-St Louis to Sacramento Intl flight route?

Fly from Lambert-St Louis to Sacramento Intl for the best Lambert-St Louis - Sacramento Intl flight prices

How far in advance should I book a flight to Sacramento?

You are more likely to see cheaper flights to Sacramento from St. Louis when booking weeks ahead of your departure date. In general, you can expect to find flights to Sacramento for around $420 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sacramento from St. Louis for as low as $296 on momondo.

What cabin class options are available on Lambert-St Louis to Sacramento Intl flights?

There is only 1 cabin class available to choose from on Lambert-St Louis to Sacramento Intl 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 Sacramento flights?

You could potentially save up to 5% on your flight if you consider stops on a St. Louis to Sacramento flight.

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

As of January 2026, prices for St. Louis to Sacramento flights are approximately 163% more expensive when compared to flights at the same time last year.

When to book flights from St. Louis to Sacramento

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

Cheap St. Louis to Sacramento (STL to SMF) flight deals and tips

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

Best Price Found

$442

Fastest flight time

4h 00m

Direct flights

Every day

Airports in Sacramento

1 airport
The best one-way flight to Sacramento from St. Louis in the past 72 hours is $442. The best round-trip flight deal from St. Louis to Sacramento found on momondo in the last 72 hours is $487.
The fastest flight from St. Louis to Sacramento takes 4h 00m
Direct flights go from St. Louis to Sacramento every day.
There is 1 airport in Sacramento. From St. Louis there are direct flights to Sacramento Intl (SMF).
Search flight deals

  • How far is Lambert-St Louis to Sacramento Intl by plane?

    Sacramento Intl is 1680.4 mi away from Lambert-St Louis. A reasonable flight in good conditions will take 4h 00m.

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

    Prices for flights from Lambert-St Louis Airport to Sacramento Intl Airport are updated daily.

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

  • How old do you have to be to fly from Lambert-St Louis Airport to Sacramento Intl 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 Sacramento Intl Airport.

  • What documentation or ID do you need to fly to Sacramento Intl Airport?

    The travel and health documents you'll need for your trip to Sacramento Intl 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 Sacramento Intl 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 St. Louis to Sacramento?

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

Best airlines flying from St. Louis to Sacramento

Compare and see reviews for airlines that fly from St. Louis to Sacramento with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $216Free CancellationRating
7.4
9,139 reviews
Search United Airlines flights
American AirlinesPriceFrom $241Free CancellationRating
7.2
11,095 reviews
Search American Airlines flights
DeltaPriceFrom $256Free CancellationRating
7.9
8,025 reviews
Search Delta flights
SouthwestPriceFrom $337Free CancellationRating
8.0
4,248 reviews
Search Southwest flights

  • Southwest Flights From St. Louis to Sacramento

    The lowest priced Southwest flight from St. Louis to Sacramento from the last 72 hours was $337. Generally, Southwest has 10 flights on this route every week with an average price of $541. Southwest is rated 8.0/10 by our users.

Traveling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Chico
Oroville
Lincoln
Yuba City
Rocklin
Auburn
Marysville
Grass Valley
Nevada City
Placerville
Plymouth
Willows
El Dorado Hills

Why use momondo?

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

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 St. Louis to Sacramento for you.

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

All flight searches from St. Louis to Sacramento on momondo can be filtered to show those which offer flexible booking policies.

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

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 Sacramento from St. Louis.

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

Yes momondo offers price alerts on flights to Sacramento from St. Louis. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Sacramento trip

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