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Cheap flights from Sacramento to St. Louis from $75

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Sacramento to St. Louis departing on 2/27. 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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0 bags

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Cheap round-trip flights

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Frontier Logo
11:17 am - 9:07 amSMF-STL
19h 50m1 stop
Frontier Logo
7:57 pm - 1:15 pmSTL-SMF
19h 18m1 stop
$205Frontier
Find Deal
Mon, Nov 17 - Thu, Nov 20
Frontier Logo
11:17 am - 9:07 amSMF-STL
19h 50m1 stop
Frontier Logo
7:45 pm - 1:28 pmSTL-SMF
19h 43m2 stops
$221Frontier
Find Deal
Mon, Nov 17 - Wed, Nov 19
Delta Logo
6:00 am - 4:47 pmSMF-STL
8h 47m1 stop
Delta Logo
6:35 am - 5:30 pmSTL-SMF
12h 55m2 stops
$320Delta
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Thu, Jan 29 - Tue, Feb 3
Southwest Logo
5:10 am - 2:25 pmSMF-STL
7h 15m1 stop
Southwest Logo
5:55 am - 10:20 amSTL-SMF
6h 25m1 stop
$322Southwest
Find Deal
Thu, Jan 29 - Wed, Feb 4
Delta Logo
11:45 am - 11:25 pmSMF-STL
9h 40m2 stops
Delta Logo
7:00 am - 5:30 pmSTL-SMF
12h 30m2 stops
$324Delta
Find Deal
Thu, Jan 29 - Wed, Feb 4
Southwest Logo
9:00 am - 5:10 pmSMF-STL
6h 10m1 stop
Southwest Logo
7:50 am - 3:50 pmSTL-SMF
10h 00m2 stops
$328Southwest
Find Deal
Thu, Jan 29 - Thu, Feb 5
United Airlines Logo
10:34 am - 9:54 pmSMF-STL
9h 20m2 stops
United Airlines Logo
6:30 am - 11:54 amSTL-SMF
7h 24m1 stop
$392United Airlines
Find Deal
Wed, Nov 26 - Mon, Dec 1
American Airlines Logo
1:02 pm - 10:56 pmSMF-STL
7h 54m2 stops
American Airlines Logo
6:44 pm - 12:32 amSTL-SMF
7h 48m1 stop
$402American Airlines
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Thu, Dec 25 - Tue, Dec 30
United Airlines Logo
5:30 am - 3:50 pmSMF-STL
8h 20m1 stop
United Airlines Logo
6:30 am - 11:54 amSTL-SMF
7h 24m1 stop
$417United Airlines
Find Deal
Thu, Nov 27 - Mon, Dec 1
American Airlines Logo
6:00 am - 1:40 pmSMF-STL
5h 40m1 stop
American Airlines Logo
5:17 am - 12:07 pmSTL-SMF
8h 50m2 stops
$418American Airlines
Find Deal
Tue, Nov 25 - Tue, Dec 2

Delta flights from Sacramento to St. Louis

Our best Delta deals on Sacramento to St. Louis flight tickets
Delta
Jan 29
SMF6:00 amSacramento Intl
8h 47m
1 stop
STL4:47 pmLambert-St Louis
Feb 3
STL6:35 amLambert-St Louis
12h 55m
2 stops
SMF5:30 pmSacramento Intl
$320
Find similar
Delta
Jan 29
SMF11:45 amSacramento Intl
9h 40m
2 stops
STL11:25 pmLambert-St Louis
Feb 4
STL7:00 amLambert-St Louis
12h 30m
2 stops
SMF5:30 pmSacramento Intl
$324
Find similar
Delta
Jan 29
SMF7:05 amSacramento Intl
8h 45m
1 stop
STL5:50 pmLambert-St Louis
Feb 3
STL7:00 amLambert-St Louis
7h 06m
1 stop
SMF12:06 pmSacramento Intl
$327
Find similar

Southwest flights from Sacramento to St. Louis

Our best Southwest deals on Sacramento to St. Louis flight tickets
Southwest
Jan 29
SMF5:10 amSacramento Intl
7h 15m
1 stop
STL2:25 pmLambert-St Louis
Feb 4
STL5:55 amLambert-St Louis
6h 25m
1 stop
SMF10:20 amSacramento Intl
$322
Find similar
Southwest
Jan 29
SMF9:00 amSacramento Intl
6h 10m
1 stop
STL5:10 pmLambert-St Louis
Feb 5
STL7:50 amLambert-St Louis
10h 00m
2 stops
SMF3:50 pmSacramento Intl
$328
Find similar
Southwest
Jan 29
SMF6:55 amSacramento Intl
7h 40m
2 stops
STL4:35 pmLambert-St Louis
Feb 5
STL7:50 amLambert-St Louis
10h 00m
2 stops
SMF3:50 pmSacramento Intl
$333
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Sacramento to St. Louis 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 October 30, 2025.
Use the filters below to find and compare flights from Sacramento to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SacramentoSt. Louis

SMF - STL

SMFSTL

Sacramento Intl

Mon 11/17

11:17 am-9:07 am

1 stop19h 50m

Lambert-St Louis

Thu 11/20

7:57 pm-1:15 pm

1 stop19h 18m

$205

SacramentoSt. Louis

SMF - STL

SMFSTL

Sacramento Intl

Mon 11/17

11:17 am-9:07 am

1 stop19h 50m

Lambert-St Louis

Wed 11/19

7:45 pm-1:28 pm

2 stops19h 43m

$221

SacramentoSt. Louis

SMF - STL

SMFSTL

Sacramento Intl

Thu 1/29

6:00 am-4:47 pm

1 stop8h 47m

Lambert-St Louis

Tue 2/3

6:35 am-5:30 pm

2 stops12h 55m

$320

SacramentoSt. Louis

SMF - STL

SMFSTL

Sacramento Intl

Thu 1/29

5:10 am-2:25 pm

1 stop7h 15m

Lambert-St Louis

Wed 2/4

5:55 am-10:20 am

1 stop6h 25m

$322

SacramentoSt. Louis

SMF - STL

SMFSTL

Sacramento Intl

Thu 1/29

11:45 am-11:25 pm

2 stops9h 40m

Lambert-St Louis

Wed 2/4

7:00 am-5:30 pm

2 stops12h 30m

$324

SacramentoSt. Louis

SMF - STL

SMFSTL

Sacramento Intl

Thu 1/29

9:00 am-5:10 pm

1 stop6h 10m

Lambert-St Louis

Thu 2/5

7:50 am-3:50 pm

2 stops10h 00m

$328

SacramentoSt. Louis

SMF - STL

SMFSTL

Sacramento Intl

Wed 11/26

10:34 am-9:54 pm

2 stops9h 20m

Lambert-St Louis

Mon 12/1

6:30 am-11:54 am

1 stop7h 24m

$392

SacramentoSt. Louis

SMF - STL

SMFSTL

Sacramento Intl

Thu 12/25

1:02 pm-10:56 pm

2 stops7h 54m

Lambert-St Louis

Tue 12/30

6:44 pm-12:32 am

1 stop7h 48m

$402

SacramentoSt. Louis

SMF - STL

SMFSTL

Sacramento Intl

Thu 11/27

5:30 am-3:50 pm

1 stop8h 20m

Lambert-St Louis

Mon 12/1

6:30 am-11:54 am

1 stop7h 24m

$417

SacramentoSt. Louis

SMF - STL

SMFSTL

Sacramento Intl

Tue 11/25

6:00 am-1:40 pm

1 stop5h 40m

Lambert-St Louis

Tue 12/2

5:17 am-12:07 pm

2 stops8h 50m

$418

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 St. Louis from

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

In general, January is the cheapest month to fly from Sacramento to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $251. The month of February is another great option to travel to St. Louis, with average flight prices from Sacramento averaging around $256.

What is the cheapest day to depart on your flight to St. Louis?

The cheapest day to depart on your flight to St. Louis is on a Wednesday when prices can be found for as low as $430. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around $478. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.

What is the cheapest time of day to depart on your flight to St. Louis?

Flying to St. Louis from Sacramento at noon is the least expensive time of day to depart. momondo users have found prices as low as $424 when looking at flights departing at noon. In the afternoon is when there is more demand to fly to St. Louis, so prices are often more expensive at around $459 per ticket.

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

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

How far in advance should I book a flight to St. Louis?

You are more likely to see cheaper flights to St. Louis from Sacramento when booking weeks ahead of your departure date. In general, you can expect to find flights to St. Louis for around $381 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to St. Louis from Sacramento for as low as $276 on momondo.

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

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

You could potentially save up to 9% on your flight if you consider stops on a Sacramento to St. Louis flight.

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

As of October 2025, prices for Sacramento to St. Louis flights are approximately 64% more expensive when compared to flights at the same time last year.

When to book flights from Sacramento to St. Louis

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

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

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

Best Price Found

$233

Fastest flight time

3h 35m

Direct flights

Every day

Airports in St. Louis

1 airport
The best one-way flight to St. Louis from Sacramento in the past 72 hours is $233. The best round-trip flight deal from Sacramento to St. Louis found on momondo in the last 72 hours is $349.
The fastest flight from Sacramento to St. Louis takes 3h 35m
Direct flights go from Sacramento to St. Louis every day.
There is 1 airport near St. Louis: Lambert-St Louis (STL)
Search flight deals

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

    There are 1680.4 mi between Sacramento Intl and Lambert-St Louis. In terms of flight time, this usually takes a little over 3h 40m.

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

    Prices for flights from Sacramento Intl Airport to Lambert-St Louis Airport were last updated today.

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Sacramento Intl Airport to Lambert-St Louis Airport.

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

    The necessary travel and health documents for your Lambert-St Louis Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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

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

Best airlines flying from Sacramento to St. Louis

Compare and see reviews for airlines that fly from Sacramento to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $216Free CancellationRating
7.2
11,035 reviews
Search American Airlines flights
Alaska AirlinesPriceFrom $245Free CancellationRating
8.0
11,217 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $246Free CancellationRating
7.4
8,998 reviews
Search United Airlines flights
DeltaPriceFrom $256Free CancellationRating
7.9
7,998 reviews
Search Delta flights
SouthwestPriceFrom $337Free CancellationRating
8.0
4,243 reviews
Search Southwest flights

  • Southwest Flights From Sacramento to St. Louis

    Southwest flies from Sacramento to St. Louis around 4 times per week, with 4,243 momondo users rating the airline 8.0/10. The cheapest Southwest deal from Sacramento to St. Louis in the last 72 hours was $337 (round-trip), much lower than the average airfare cost of $526 for Southwest flights on this route.

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Chesterfield
Hermann
Fairview Heights
Maryland Heights
Florissant
O'Fallon
Wentzville
Fenton
Collinsville
St. Peters
Alton
Farmington
Festus
Glencoe
Edwardsville
Clayton
Eureka
Litchfield
Shrewsbury

Why use momondo?

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

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 St. Louis from Sacramento.

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

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

How can momondo help me find flights from Sacramento 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 Sacramento.

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

Of course. momondo tracks the price of Sacramento to St. Louis flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your St. Louis trip

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