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Cheap flights from St. Louis to San Francisco from $91

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 1/6. 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

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Cheap round-trip flights

United Airlines Logo
5:28 pm - 10:43 pmSTL-SMF
7h 15m1 stop
United Airlines Logo
8:45 am - 4:32 pmSMF-STL
5h 47m1 stop
$183United Airlines
Find Deal
Wed, Oct 22 - Sat, Oct 25
American Airlines Logo
5:20 am - 10:12 amSTL-SMF
6h 52m1 stop
American Airlines Logo
11:56 am - 11:18 pmSMF-STL
9h 22m2 stops
$188American Airlines
Find Deal
Sat, Oct 25 - Tue, Oct 28
Frontier Logo
7:55 pm - 11:13 amSTL-SMF
17h 18m1 stop
Frontier Logo
3:11 pm - 1:53 pmSMF-STL
20h 42m1 stop
$224Frontier
Find Deal
Thu, Oct 2 - Sun, Oct 5
Alaska Airlines Logo
7:00 am - 1:13 pmSTL-SMF
8h 13m1 stop
Alaska Airlines Logo
2:05 pm - 11:56 pmSMF-STL
7h 51m1 stop
$240Alaska Airlines
Find Deal
Sat, Feb 28 - Tue, Mar 3
United Airlines Logo
6:00 pm - 10:36 pmSTL-SMF
6h 36m1 stop
United Airlines Logo
9:15 am - 4:26 pmSMF-STL
5h 11m1 stop
$248United Airlines
Find Deal
Thu, Feb 26 - Thu, Mar 5
Frontier Logo
8:40 pm - 8:20 amSTL-SMF
13h 40m2 stops
Frontier Logo
11:17 am - 9:07 amSMF-STL
19h 50m1 stop
$255Frontier
Find Deal
Fri, Oct 31 - Mon, Nov 3
Delta Logo
8:53 am - 12:50 pmSTL-SMF
5h 57m1 stop
Delta Logo
5:30 am - 1:39 pmSMF-STL
6h 09m1 stop
$257Delta
Find Deal
Tue, Oct 28 - Sun, Nov 2
Alaska Airlines Logo
4:14 pm - 11:44 pmSTL-SMF
9h 30m1 stop
Alaska Airlines Logo
8:00 am - 11:54 pmSMF-STL
13h 54m1 stop
$264Alaska Airlines
Find Deal
Thu, Nov 13 - Mon, Nov 24
Delta Logo
2:29 pm - 9:45 pmSTL-SMF
9h 16m2 stops
Delta Logo
5:30 am - 1:39 pmSMF-STL
6h 09m1 stop
$285Delta
Find Deal
Tue, Oct 28 - Sun, Nov 2
American Airlines Logo
2:09 pm - 9:19 pmSTL-SMF
9h 10m1 stop
American Airlines Logo
1:02 pm - 9:28 pmSMF-STL
6h 26m1 stop
$295American Airlines
Find Deal
Sat, Dec 13 - Wed, Dec 31

Frontier flights from St. Louis to Sacramento

Our best Frontier deals on St. Louis to Sacramento flight tickets
Frontier
Oct 2
STL7:55 pmLambert-St Louis
17h 18m
1 stop
SMF11:13 amSacramento Intl
Oct 5
SMF3:11 pmSacramento Intl
20h 42m
1 stop
STL1:53 pmLambert-St Louis
$224
Find similar
Frontier
Oct 31
STL8:40 pmLambert-St Louis
13h 40m
2 stops
SMF8:20 amSacramento Intl
Nov 3
SMF11:17 amSacramento Intl
19h 50m
1 stop
STL9:07 amLambert-St Louis
$255
Find similar
Frontier
Oct 1
STL7:55 pmLambert-St Louis
22h 55m
2 stops
SMF4:50 pmSacramento Intl
Oct 5
SMF12:06 pmSacramento Intl
19h 00m
1 stop
STL9:06 amLambert-St Louis
$284
Find similar

United Airlines flights from St. Louis to Sacramento

Our best United Airlines deals on St. Louis to Sacramento flight tickets
United Airlines
Oct 22
STL5:28 pmLambert-St Louis
7h 15m
1 stop
SMF10:43 pmSacramento Intl
Oct 25
SMF8:45 amSacramento Intl
5h 47m
1 stop
STL4:32 pmLambert-St Louis
$183
Find similar
United Airlines
Feb 26
STL6:00 pmLambert-St Louis
6h 36m
1 stop
SMF10:36 pmSacramento Intl
Mar 5
SMF9:15 amSacramento Intl
5h 11m
1 stop
STL4:26 pmLambert-St Louis
$248
Find similar
United Airlines
Dec 5
STL5:30 pmLambert-St Louis
6h 26m
1 stop
SMF9:56 pmSacramento Intl
Dec 7
SMF2:03 pmSacramento Intl
6h 42m
1 stop
STL10:45 pmLambert-St Louis
$254
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 September 16, 2025.
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

Wed 10/22

5:28 pm-10:43 pm

1 stop7h 15m

Sacramento Intl

Sat 10/25

8:45 am-4:32 pm

1 stop5h 47m

$183

St. LouisSacramento

STL - SMF

STLSMF

Lambert-St Louis

Sat 10/25

5:20 am-10:12 am

1 stop6h 52m

Sacramento Intl

Tue 10/28

11:56 am-11:18 pm

2 stops9h 22m

$188

St. LouisSacramento

STL - SMF

STLSMF

Lambert-St Louis

Thu 10/2

7:55 pm-11:13 am

1 stop17h 18m

Sacramento Intl

Sun 10/5

3:11 pm-1:53 pm

1 stop20h 42m

$224

St. LouisSacramento

STL - SMF

STLSMF

Lambert-St Louis

Sat 2/28

7:00 am-1:13 pm

1 stop8h 13m

Sacramento Intl

Tue 3/3

2:05 pm-11:56 pm

1 stop7h 51m

$240

St. LouisSacramento

STL - SMF

STLSMF

Lambert-St Louis

Thu 2/26

6:00 pm-10:36 pm

1 stop6h 36m

Sacramento Intl

Thu 3/5

9:15 am-4:26 pm

1 stop5h 11m

$248

St. LouisSacramento

STL - SMF

STLSMF

Lambert-St Louis

Fri 10/31

8:40 pm-8:20 am

2 stops13h 40m

Sacramento Intl

Mon 11/3

11:17 am-9:07 am

1 stop19h 50m

$255

St. LouisSacramento

STL - SMF

STLSMF

Lambert-St Louis

Tue 10/28

8:53 am-12:50 pm

1 stop5h 57m

Sacramento Intl

Sun 11/2

5:30 am-1:39 pm

1 stop6h 09m

$257

St. LouisSacramento

STL - SMF

STLSMF

Lambert-St Louis

Thu 11/13

4:14 pm-11:44 pm

1 stop9h 30m

Sacramento Intl

Mon 11/24

8:00 am-11:54 pm

1 stop13h 54m

$264

St. LouisSacramento

STL - SMF

STLSMF

Lambert-St Louis

Tue 10/28

2:29 pm-9:45 pm

2 stops9h 16m

Sacramento Intl

Sun 11/2

5:30 am-1:39 pm

1 stop6h 09m

$285

St. LouisSacramento

STL - SMF

STLSMF

Lambert-St Louis

Sat 12/13

2:09 pm-9:19 pm

1 stop9h 10m

Sacramento Intl

Wed 12/31

1:02 pm-9:28 pm

1 stop6h 26m

$295

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 January is, on average, the cheapest month to fly to Sacramento from St. Louis, with most prices found around $251. If you are unable to visit Sacramento during the month of January, then departing from St. Louis during the month April is also very affordable. Most momondo users find prices during this month for around $276.

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 Friday when prices can be found for as low as $442. Flights from St. Louis to Sacramento on a Monday will generally be more expensive and average around $741. 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 $467. 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 $549. 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 $392 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 $321 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 12% 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 September 2025, prices for St. Louis to Sacramento flights are approximately 86% 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

$256

Fastest flight time

4h 05m

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 $256. The best round-trip flight deal from St. Louis to Sacramento found on momondo in the last 72 hours is $401.
The fastest flight from St. Louis to Sacramento takes 4h 05m
Direct flights go from St. Louis to Sacramento every day.
There is 1 airport near Sacramento: 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 5h 57m.

  • 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
American AirlinesPriceFrom $216Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $216Free CancellationRating
7.4
8,924 reviews
Search United Airlines flights
DeltaPriceFrom $246Free CancellationRating
7.9
7,957 reviews
Search Delta flights
SouthwestPriceFrom $332Free CancellationRating
8.0
4,242 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 $332. Generally, Southwest has 11 flights on this route every week with an average price of $532. 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
Yuba City
Rocklin
Auburn
Lincoln
Placerville
Marysville
Grass Valley
Nevada City
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.

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