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Cheap flights from Sacramento to St. Louis 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 Sacramento to St. Louis 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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0 bags

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Find the cheapest flights from Sacramento to St. Louis

Cheap round-trip flights

American Airlines Logo
3:16 pm - 11:54 pmSMF-STL
6h 38m1 stop
American Airlines Logo
5:20 am - 10:12 amSTL-SMF
6h 52m1 stop
$183American Airlines
Find Deal
Wed, Oct 15 - Sat, Oct 18
United Airlines Logo
5:00 am - 12:39 pmSMF-STL
5h 39m1 stop
United Airlines Logo
1:35 pm - 8:38 pmSTL-SMF
9h 03m2 stops
$188United Airlines
Find Deal
Wed, Nov 12 - Fri, Nov 14
Alaska Airlines Logo
2:05 pm - 11:56 pmSMF-STL
7h 51m1 stop
Alaska Airlines Logo
7:00 am - 1:13 pmSTL-SMF
8h 13m1 stop
$240Alaska Airlines
Find Deal
Tue, Mar 3 - Wed, Mar 4
United Airlines Logo
1:05 pm - 10:00 pmSMF-STL
6h 55m1 stop
United Airlines Logo
6:30 am - 11:48 amSTL-SMF
7h 18m1 stop
$248United Airlines
Find Deal
Thu, Oct 23 - Sat, Oct 25
Delta Logo
10:30 pm - 8:05 amSMF-STL
7h 35m1 stop
Delta Logo
3:59 pm - 10:13 pmSTL-SMF
8h 14m1 stop
$257Delta
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Mon, Oct 13 - Sat, Oct 18
Frontier Logo
12:06 pm - 9:06 amSMF-STL
19h 00m1 stop
Frontier Logo
7:55 pm - 11:13 amSTL-SMF
17h 18m1 stop
$274Frontier
Find Deal
Mon, Sep 29 - Thu, Oct 2
Delta Logo
6:30 am - 6:45 pmSMF-STL
10h 15m2 stops
Delta Logo
7:47 pm - 11:57 pmSTL-SMF
6h 10m1 stop
$285Delta
Find Deal
Wed, Nov 5 - Sun, Nov 9
Alaska Airlines Logo
2:35 pm - 3:18 pmSMF-STL
22h 43m2 stops
Alaska Airlines Logo
4:14 pm - 11:44 pmSTL-SMF
9h 30m1 stop
$319Alaska Airlines
Find Deal
Fri, Oct 31 - Mon, Nov 10
Southwest Logo
11:25 am - 5:05 pmSMF-STL
3h 40mnonstop
Southwest Logo
10:25 am - 12:40 pmSTL-SMF
4h 15mnonstop
$397Southwest
Find Deal
Wed, Nov 5 - Sat, Nov 8
Southwest Logo
3:15 pm - 11:05 pmSMF-STL
5h 50m1 stop
Southwest Logo
5:40 pm - 7:55 pmSTL-SMF
4h 15mnonstop
$398Southwest
Find Deal
Thu, Oct 16 - Tue, Oct 21

Alaska Airlines flights from Sacramento to St. Louis

Our best Alaska Airlines deals on Sacramento to St. Louis flight tickets
Alaska Airlines
Mar 3
SMF2:05 pmSacramento Intl
7h 51m
1 stop
STL11:56 pmLambert-St Louis
Mar 4
STL7:00 amLambert-St Louis
8h 13m
1 stop
SMF1:13 pmSacramento Intl
$240
Find similar
Alaska Airlines
Oct 31
SMF2:35 pmSacramento Intl
22h 43m
2 stops
STL3:18 pmLambert-St Louis
Nov 10
STL4:14 pmLambert-St Louis
9h 30m
1 stop
SMF11:44 pmSacramento Intl
$319
Find similar
Alaska Airlines
Nov 5
SMF7:58 pmSacramento Intl
26h 01m
1 stop
STL11:59 pmLambert-St Louis
Nov 8
STL7:00 amLambert-St Louis
9h 02m
1 stop
SMF2:02 pmSacramento Intl
$328
Find similar

Delta flights from Sacramento to St. Louis

Our best Delta deals on Sacramento to St. Louis flight tickets
Delta
Oct 13
SMF10:30 pmSacramento Intl
7h 35m
1 stop
STL8:05 amLambert-St Louis
Oct 18
STL3:59 pmLambert-St Louis
8h 14m
1 stop
SMF10:13 pmSacramento Intl
$257
Find similar
Delta
Nov 5
SMF6:30 amSacramento Intl
10h 15m
2 stops
STL6:45 pmLambert-St Louis
Nov 9
STL7:47 pmLambert-St Louis
6h 10m
1 stop
SMF11:57 pmSacramento Intl
$285
Find similar
Delta
Oct 13
SMF11:21 amSacramento Intl
11h 03m
2 stops
STL12:24 amLambert-St Louis
Oct 18
STL6:50 amLambert-St Louis
7h 34m
1 stop
SMF12:24 pmSacramento Intl
$301
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 September 16, 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

Wed 10/15

3:16 pm-11:54 pm

1 stop6h 38m

Lambert-St Louis

Sat 10/18

5:20 am-10:12 am

1 stop6h 52m

$183

SacramentoSt. Louis

SMF - STL

SMFSTL

Sacramento Intl

Wed 11/12

5:00 am-12:39 pm

1 stop5h 39m

Lambert-St Louis

Fri 11/14

1:35 pm-8:38 pm

2 stops9h 03m

$188

SacramentoSt. Louis

SMF - STL

SMFSTL

Sacramento Intl

Tue 3/3

2:05 pm-11:56 pm

1 stop7h 51m

Lambert-St Louis

Wed 3/4

7:00 am-1:13 pm

1 stop8h 13m

$240

SacramentoSt. Louis

SMF - STL

SMFSTL

Sacramento Intl

Thu 10/23

1:05 pm-10:00 pm

1 stop6h 55m

Lambert-St Louis

Sat 10/25

6:30 am-11:48 am

1 stop7h 18m

$248

SacramentoSt. Louis

SMF - STL

SMFSTL

Sacramento Intl

Mon 10/13

10:30 pm-8:05 am

1 stop7h 35m

Lambert-St Louis

Sat 10/18

3:59 pm-10:13 pm

1 stop8h 14m

$257

SacramentoSt. Louis

SMF - STL

SMFSTL

Sacramento Intl

Mon 9/29

12:06 pm-9:06 am

1 stop19h 00m

Lambert-St Louis

Thu 10/2

7:55 pm-11:13 am

1 stop17h 18m

$274

SacramentoSt. Louis

SMF - STL

SMFSTL

Sacramento Intl

Wed 11/5

6:30 am-6:45 pm

2 stops10h 15m

Lambert-St Louis

Sun 11/9

7:47 pm-11:57 pm

1 stop6h 10m

$285

SacramentoSt. Louis

SMF - STL

SMFSTL

Sacramento Intl

Fri 10/31

2:35 pm-3:18 pm

2 stops22h 43m

Lambert-St Louis

Mon 11/10

4:14 pm-11:44 pm

1 stop9h 30m

$319

SacramentoSt. Louis

SMF - STL

SMFSTL

Sacramento Intl

Wed 11/5

11:25 am-5:05 pm

Nonstop3h 40m

Lambert-St Louis

Sat 11/8

10:25 am-12:40 pm

Nonstop4h 15m

$397

SacramentoSt. Louis

SMF - STL

SMFSTL

Sacramento Intl

Thu 10/16

3:15 pm-11:05 pm

1 stop5h 50m

Lambert-St Louis

Tue 10/21

5:40 pm-7:55 pm

Nonstop4h 15m

$398

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 $246. 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 Tuesday when prices can be found for as low as $423. 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 Sunday because tickets tend to average around $468. 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 $417 when looking at flights departing at noon. In the evening is when there is more demand to fly to St. Louis, so prices are often more expensive at around $444 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 $369 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 43% 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 September 2025, prices for Sacramento to St. Louis flights are approximately 19% cheaper 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

$189

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 $189. The best round-trip flight deal from Sacramento to St. Louis found on momondo in the last 72 hours is $327.
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
FrontierPriceFrom $92Free CancellationRating
5.8
3,174 reviews
Search Frontier flights
American AirlinesPriceFrom $216Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $246Free CancellationRating
7.4
8,924 reviews
Search United Airlines flights
DeltaPriceFrom $256Free CancellationRating
7.9
7,957 reviews
Search Delta flights
SouthwestPriceFrom $337Free CancellationRating
8.0
4,242 reviews
Search Southwest flights

  • Southwest Flights From Sacramento to St. Louis

    Southwest flies from Sacramento to St. Louis around 10 times per week, with 4,242 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 $514 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
Florissant
Maryland Heights
O'Fallon
Fenton
Collinsville
Wentzville
Alton
St. Peters
Farmington
Festus
Glencoe
Clayton
Edwardsville
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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