How popular is this Sacramento to St. Louis flight route?

Within the past month, 18 users have taken a look at flights from Sacramento Intl to Lambert-St Louis.

How long is the flight from Sacramento to St. Louis?

Delta, Frontier, and Alaska Airlines can get you from Sacramento to St. Louis in just under 13h 08m. Your travel time can differ by up to 13h 46m. The distance from Sacramento to St. Louis is about 1673 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

What are the cheapest airlines flying from Sacramento to St. Louis round-trip?

Cheapflights users have booked flights from Sacramento to St. Louis round-trip from $226. Other airlines that can offer you cheap pricing are Alaska Airlines, from $245, and United Airlines, from $246. American Airlines is 44% cheaper than the average price of flights available within the next 90 days to this destination.

What are the cheapest airlines to fly from Sacramento to St. Louis one-way?

The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $75. However, be on the lookout for offers from American Airlines and United Airlines, as they are both options that can get you from Sacramento to St. Louis for a low price.

In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.

If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

What are the cheapest flights from Sacramento to St. Louis?

The cheapest flight price from Sacramento to St. Louis is $105. On average you can expect to pay $435. The most popular route, (Sacramento Intl - Lambert-St Louis), can usually be booked for $254.

What are the most popular airlines that fly from Sacramento to St. Louis?

Southwest, Delta and United Airlines are the most popular airlines when flying from Sacramento to St. Louis.

Most accurate provider : When it comes to deals on Sacramento-St. Louis flights, users find the pricing of Mytrip to be most consistent on Cheapflights vs. Mytrip Users can find the same prices on Sacramento-St. Louis flight deals on Cheapflights vs. Mytrip >95% of the time. Price accuracy is based on data collected from Sacramento-St. Louis flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Sacramento-St. Louis flights, Cheapflights users trust Mytrip the most. Mytrip has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Sacramento-St. Louis flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Can I find deals for flights from Sacramento to St. Louis that include hotel bookings?

Yes. In addition to deals on Sacramento to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Sacramento to St. Louis?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sacramento to St. Louis.

Can I find deals for business class flights from Sacramento to St. Louis?

Yes. Cheapflights offers flight deals from Sacramento to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$85+ Flights from Sacramento to St. Louis

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Sacramento to St. Louis with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Sacramento Intl to Lambert-St Louis are usually found in February or January, booked 48 days in advance, depart on a Wednesday or Tuesday and return on a Friday

Cheap flight deals from Sacramento to St. Louis

Cheapest flights from Sacramento to St. Louis
Explore the most affordable flight options available from Sacramento to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 23, 2025.

Mon 12/295:00 amSMF - STL

1 stop6h 20mUnited Airlines

Mon 1/55:02 pmSTL - SMF

1 stop7h 55mUnited Airlines

Deal found 12/22

$483

Wed 12/312:13 pmSMF - STL

1 stop6h 30mUnited Airlines

Sun 1/45:02 pmSTL - SMF

1 stop7h 51mUnited Airlines

Deal found 12/23

$508

Sat 12/279:30 amSMF - STL

1 stop8h 45mSouthwest

Mon 12/295:00 amSTL - SMF

1 stop6h 30mSouthwest

Deal found 12/23

$509

Fri 12/2611:59 pmSMF - STL

1 stop6h 57mAmerican Airlines

Sun 12/288:00 amSTL - SMF

1 stop6h 12mAmerican Airlines

Deal found 12/23

$558

Thu 12/257:00 amSMF - STL

1 stop10h 04mDelta

Mon 12/296:00 amSTL - SMF

1 stop7h 33mDelta

Deal found 12/21

$577

Thu 12/256:00 amSMF - STL

1 stop7h 00mAmerican Airlines

Mon 12/297:00 amSTL - SMF

1 stop8h 25mAmerican Airlines

Deal found 12/22

$663

Best flights from Sacramento to St. Louis
Discover carefully curated flight deals from Sacramento to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 23, 2025.

Fri 1/2311:45 amSMF - STL

2 stops9h 38mDelta

Fri 1/306:35 amSTL - SMF

2 stops12h 55mDelta

Deal found 12/22

$254

Tue 1/209:00 amSMF - STL

1 stop26h 54mAlaska Airlines

Tue 1/272:50 pmSTL - SMF

1 stop25h 15mAlaska Airlines

Deal found 12/22

$302

Tue 1/206:30 amSMF - STL

2 stops13h 08mDelta

Tue 1/276:35 amSTL - SMF

2 stops12h 55mDelta

Deal found 12/22

$254

Tue 1/201:16 pmSMF - STL

1 stop22h 38mAlaska Airlines

Fri 2/137:00 amSTL - SMF

1 stop18h 56mAlaska Airlines

Deal found 12/22

$312

Tue 1/206:30 amSMF - STL

2 stops13h 08mDelta

Fri 2/136:40 pmSTL - SMF

1 stop7h 03mDelta

Deal found 12/22

$290

Thu 1/225:03 pmSMF - STL

1 stop18h 51mAlaska Airlines

Mon 1/262:50 pmSTL - SMF

1 stop7h 13mAlaska Airlines

Deal found 12/21

$322

Fri 1/231:16 pmSMF - STL

1 stop7h 30mAlaska Airlines

Mon 1/262:50 pmSTL - SMF

1 stop7h 13mAlaska Airlines

Deal found 12/20

$324

Last-minute flights from Sacramento to St. Louis
Discover last-minute flight deals from Sacramento to St. Louis. Data last updated December 23, 2025 and is based on user searches.

Tue 1/68:20 amSMF - STL

1 stop13h 39mAlaska Airlines

Sat 1/106:19 pmSTL - SMF

1 stop19h 01mAlaska Airlines

Deal found 12/22

$376

Tue 1/64:24 pmSMF - STL

1 stop5h 35mAmerican Airlines

Sat 1/1011:05 amSTL - SMF

2 stops9h 34mAmerican Airlines

Deal found 12/22

$382

Thu 1/81:14 pmSMF - STL

1 stop20h 58mFrontier

Sat 1/107:43 pmSTL - SMF

1 stop19h 30mFrontier

Deal found 12/22

$250

Tue 1/206:30 amSMF - STL

2 stops13h 08mDelta

Tue 1/276:10 amSTL - SMF

2 stops10h 12mDelta

Deal found 12/22

$254

Tue 1/209:00 amSMF - STL

1 stop26h 54mAlaska Airlines

Tue 1/272:50 pmSTL - SMF

1 stop25h 15mAlaska Airlines

Deal found 12/22

$302

Tue 1/209:00 amSMF - STL

1 stop26h 54mAlaska Airlines

Fri 2/137:00 amSTL - SMF

1 stop18h 56mAlaska Airlines

Deal found 12/22

$312

Thu 1/225:03 pmSMF - STL

1 stop18h 51mAlaska Airlines

Mon 1/262:50 pmSTL - SMF

1 stop7h 13mAlaska Airlines

Deal found 12/21

$322

Thu 1/226:10 amSMF - STL

2 stops8h 45mUnited Airlines

Mon 1/264:15 pmSTL - SMF

1 stop6h 48mUnited Airlines

Deal found 12/21

$332

Fri 1/2312:03 pmSMF - STL

1 stop24h 43mFrontier

Fri 1/307:39 pmSTL - SMF

2 stops40h 34mFrontier

Deal found 12/22

$195

Fri 1/231:16 pmSMF - STL

1 stop7h 30mAlaska Airlines

Mon 1/262:50 pmSTL - SMF

1 stop7h 13mAlaska Airlines

Deal found 12/20

$324

One-way flights from Sacramento to St. Louis
Search for one-way flight options from Sacramento to St. Louis. Find affordable one-way fares based on user searches. Data last updated December 23, 2025.

Fri 2/2010:53 amSMF - STL

1 stop25h 03mFrontier

Deal found 12/23

$85

Sun 2/2210:53 amSMF - STL

1 stop24h 16mFrontier

Deal found 12/23

$97

Mon 2/2310:53 amSMF - STL

2 stops41h 58mFrontier

Deal found 12/23

$113

Sun 1/1811:45 amSMF - STL

2 stops30h 23mFrontier

Deal found 12/22

$117

Thu 2/1911:45 amSMF - STL

2 stops9h 38mDelta

Deal found 12/22

$127

Mon 2/2312:08 pmSMF - STL

3 stops32h 19mMultiple Airlines

Deal found 12/23

$138

Mon 1/194:20 pmSMF - STL

3 stops36h 31mMultiple Airlines

Deal found 12/21

$141

Mon 3/237:56 pmSMF - STL

2 stops11h 50mDelta

Deal found 12/22

$143

Find flight deals from Sacramento to St. Louis

Most accurate provider	Mytrip 3 stars
Most trusted provider	Mytrip 3 stars
Round-trip from	$195 (Kiwi.com)
One-way from	$85 (Kiwi.com)
Popular in	December
Cheapest in	February
Average price	$516

Provider with most accurate pricing for Sacramento Intl-Lambert-St Louis flight deals.

Search Deals

Provider most trusted by Cheapflights users for Sacramento Intl-Lambert-St Louis flights.

Search Deals

From Sacramento Intl to Lambert-St Louis

Search Deals

One-way flight from Sacramento Intl to Lambert-St Louis

Search Deals

Highest demand for flights based on searches. 1% potential increase in price ($7 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Cheapflights Fare Finder

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

Fri 1/23

11:45 am-11:23 pm

2 stops9h 38m

Lambert-St Louis

Fri 1/30

6:35 am-5:30 pm

2 stops12h 55m

$254

SacramentoSt. Louis

SMF - STL

SMFSTL

Sacramento Intl

Tue 1/20

6:30 am-9:38 pm

2 stops13h 08m

Lambert-St Louis

Tue 1/27

6:35 am-5:30 pm

2 stops12h 55m

$254

SacramentoSt. Louis

SMF - STL

SMFSTL

Sacramento Intl

Tue 1/20

6:30 am-9:38 pm

2 stops13h 08m

Lambert-St Louis

Fri 2/13

6:40 pm-11:43 pm

1 stop7h 03m

$290

SacramentoSt. Louis

SMF - STL

SMFSTL

Sacramento Intl

Tue 1/20

9:00 am-1:54 pm

1 stop26h 54m

Lambert-St Louis

Tue 1/27

2:50 pm-2:05 pm

1 stop25h 15m

$302

SacramentoSt. Louis

SMF - STL

SMFSTL

Sacramento Intl

Tue 1/20

1:16 pm-1:54 pm

1 stop22h 38m

Lambert-St Louis

Fri 2/13

7:00 am-11:56 pm

1 stop18h 56m

$312

SacramentoSt. Louis

SMF - STL

SMFSTL

Sacramento Intl

Thu 1/22

5:03 pm-1:54 pm

1 stop18h 51m

Lambert-St Louis

Mon 1/26

2:50 pm-8:03 pm

1 stop7h 13m

$322

SacramentoSt. Louis

SMF - STL

SMFSTL

Sacramento Intl

Fri 1/23

1:16 pm-10:46 pm

1 stop7h 30m

Lambert-St Louis

Mon 1/26

2:50 pm-8:03 pm

1 stop7h 13m

$324

SacramentoSt. Louis

SMF - STL

SMFSTL

Sacramento Intl

Fri 1/23

12:03 pm-2:46 pm

1 stop24h 43m

$85

SacramentoSt. Louis

SMF - STL

SMFSTL

Sacramento Intl

Mon 2/23

8:53 am-9:13 pm

1 stop10h 20m

$97

SacramentoSt. Louis

SMF - STL

SMFSTL

Sacramento Intl

Sun 2/22

10:53 am-1:09 pm

1 stop24h 16m

$97

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/21

Showing 1-10 of 14 results

Compare providers for flights from Sacramento to St. Louis

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Sacramento to St. Louis in December.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Priceline	Price Accuracy1 star	Trust Score*3 stars
Mytrip	Price Accuracy3 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Sacramento-St. Louis flights, users find the pricing of Mytrip to be most consistent on Cheapflights vs. Mytrip Users can find the same prices on Sacramento-St. Louis flight deals on Cheapflights vs. Mytrip >95% of the time. Price accuracy is based on data collected from Sacramento-St. Louis flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Sacramento-St. Louis flights, Cheapflights users trust Mytrip the most. Mytrip has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Sacramento-St. Louis flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Sacramento to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Sacramento with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Sacramento to St. Louis

How far ahead should I book a flight from Sacramento to St. Louis?

Booking 43 days in advance of your planned departure date is, on average, the best time to get cheap flights from Sacramento to St. Louis. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Sacramento to St. Louis?

Currently, February is the cheapest month in which you can book a flight from Sacramento to St. Louis (average of $91). Flying from Sacramento to St. Louis in July is currently the most expensive (average of $256). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SMF to STL?

One of the essential ways to save on airfare from Sacramento to St. Louis is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the afternoon could potentially save you up to 30% on airfare.

What is the cheapest day to fly from Sacramento to St. Louis?

Travelers seeking maximum savings on their Sacramento to St. Louis flight should consider departing on Saturday at noon when fares are most often at their lowest. Tuesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

The best insider tips for Sacramento to St. Louis flights

Cheapflights partnered with top experts to bring you the best recommendations for your Sacramento to St. Louis trip

Airports

SMF

For weekday morning flights, expect longer security lines at SMF, especially on Mondays. Arrive early to avoid delays.

STL

Use the MetroLink light rail from STL for a convenient and economical ride to downtown St. Louis.

Our travel experts

Taryn White

Expert on STL

Matt Meltzer

Expert on SMF

Reviews of airlines servicing St. Louis

Read reviews from past customers who have flown Alaska Airlines, Southwest, and Delta from Sacramento to St. Louis. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

11,512 reviews

Reviews

1 / 20

2.0

Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.

Alaska Airlines

8.0

Very good

11,512 reviews

Alaska Airlines

8.0

Very good

11,512 reviews

Reviews

1 / 20

2.0

Mediocre

Art,Dec 2025

SAN - OGG

Southwest

8.0

Very good

4,253 reviews

Alaska Airlines

8.0

Very good

11,512 reviews

Reviews

1 / 20

2.0

Mediocre

Art,Dec 2025

SAN - OGG

Delta

7.9

Good

8,014 reviews

Alaska Airlines

8.0

Very good

11,512 reviews

Reviews

1 / 20

2.0

Mediocre

Art,Dec 2025

SAN - OGG

United Airlines

7.4

Good

9,105 reviews

Alaska Airlines

8.0

Very good

11,512 reviews

Reviews

1 / 20

2.0

Mediocre

Art,Dec 2025

SAN - OGG

American Airlines

7.2

Good

11,054 reviews

Alaska Airlines

8.0

Very good

11,512 reviews

Reviews

1 / 20

2.0

Mediocre

Art,Dec 2025

SAN - OGG

Related info for your journey

How popular is this Sacramento to St. Louis flight route?
Within the past month, 18 users have taken a look at flights from Sacramento Intl to Lambert-St Louis.
How long is the flight from Sacramento to St. Louis?
Delta, Frontier, and Alaska Airlines can get you from Sacramento to St. Louis in just under 13h 08m. Your travel time can differ by up to 13h 46m. The distance from Sacramento to St. Louis is about 1673 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.
What are the cheapest airlines flying from Sacramento to St. Louis round-trip?
Cheapflights users have booked flights from Sacramento to St. Louis round-trip from $226. Other airlines that can offer you cheap pricing are Alaska Airlines, from $245, and United Airlines, from $246. American Airlines is 44% cheaper than the average price of flights available within the next 90 days to this destination.
What are the cheapest airlines to fly from Sacramento to St. Louis one-way?
The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $75. However, be on the lookout for offers from American Airlines and United Airlines, as they are both options that can get you from Sacramento to St. Louis for a low price.
What are the cheapest flights from Sacramento to St. Louis?
The cheapest flight price from Sacramento to St. Louis is $105. On average you can expect to pay $435. The most popular route, (Sacramento Intl - Lambert-St Louis), can usually be booked for $254.
Can I find deals for flights from Sacramento to St. Louis that include hotel bookings?
Yes. In addition to deals on Sacramento to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Sacramento to St. Louis?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sacramento to St. Louis.
Can I find deals for business class flights from Sacramento to St. Louis?
Yes. Cheapflights offers flight deals from Sacramento to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Sacramento to St. Louis?
Currently, February is the cheapest month in which you can book a flight from Sacramento to St. Louis (average of $91). Flying from Sacramento to St. Louis in July is currently the most expensive (average of $256). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Edwardsville

O'Fallon

Swansea

Fairview Heights

Maryland Heights

Collinsville

Eureka

Glencoe

Chesterfield

Alton

Farmington

Festus

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Sacramento to St. Louis

Los Angeles to Kansas City flights

San Francisco to Kansas City flights

Los Angeles to St. Louis flights

San Francisco to St. Louis flights

Los Angeles to Springfield flights

Ontario to Kansas City flights

San Diego to St. Louis flights

Oakland to Kansas City flights

San Diego to Kansas City flights

Ontario to St. Louis flights

Ontario to Springfield flights

Sacramento to Kansas City flights

Santa Ana to Kansas City flights

Las Vegas to Kansas City flights

Las Vegas to St. Louis flights

Sacramento to Springfield flights

San Jose to Kansas City flights

Santa Ana to St. Louis flights

San Diego to Springfield flights

Burbank to St. Louis flights

Burbank to Kansas City flights

San Jose to St. Louis flights

Fresno to Kansas City flights

San Francisco to Springfield flights

Reno to Springfield flights

Santa Ana to Springfield flights

Burbank to Springfield flights

Reno to St. Louis flights

San Jose to Springfield flights

Reno to Kansas City flights

Arcata to Branson flights

Long Beach to Kansas City flights

Palm Springs to St. Louis flights

Palm Springs to Kansas City flights

Long Beach to St. Louis flights

San Luis Obispo to Kansas City flights

Santa Barbara to St. Louis flights

Oakland to St. Louis flights

Reno to Columbia flights

Fresno to St. Louis flights

Monterey to St. Louis flights

Las Vegas to Springfield flights

Medford to Kansas City flights

Los Angeles to Columbia flights

San Jose to Joplin flights

San Francisco to Joplin flights

San Diego to Columbia flights

San Francisco to Columbia flights

Santa Rosa to St. Louis flights

Complete your trip

St. Louis car rentals

Lambert-St Louis Airport car rentals

Springfield Capital Airport car rentals

Belleville Airport car rentals

Marion Williamson County Airport car rentals

Kansas City car rentals

Springfield car rentals

Columbia car rentals

Joplin car rentals

Fort Leonard Wood car rentals

Downtown car rentals

The Hill car rentals

Other flights to St. Louis

Top 5 airlines flying from Sacramento to St. Louis

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$226	Average$335	FlexibilityNo cancel fee	On-time71%
Alaska Airlines	Cheapest$245	Average$532	FlexibilityNo cancel fee	On-time75%
United Airlines	Cheapest$246	Average$416	FlexibilityNo cancel fee	On-time69%
Delta	Cheapest$256	Average$328	FlexibilityNo cancel fee	On-timeN/A
Southwest	Cheapest$337	Average$550	FlexibilityNo cancel fee	On-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$85+ Cheap flights from Sacramento to St. Louis (SMF - STL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/23. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Sacramento to St. Louis with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Sacramento Intl to Lambert-St Louis are usually found in February or January, booked 48 days in advance, depart on a Wednesday or Tuesday and return on a Friday

Cheap flight deals from Sacramento to St. Louis

Cheapest flights from Sacramento to St. LouisExplore the most affordable flight options available from Sacramento to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 23, 2025.

Explore the most affordable flight options available from Sacramento to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 23, 2025.

Find flight deals from Sacramento to St. Louis

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Sacramento to St. Louis that are best for you.

Compare providers for flights from Sacramento to St. Louis

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Sacramento to St. Louis in December.

Best time to book a flight from Sacramento to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Sacramento with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Sacramento to St. Louis

How far ahead should I book a flight from Sacramento to St. Louis?

What is the cheapest month to book a flight from Sacramento to St. Louis?

What is the cheapest time of day to fly from SMF to STL?

What is the cheapest day to fly from Sacramento to St. Louis?

The best insider tips for Sacramento to St. Louis flights

AI-powered summary based on content written by travel experts. AI can make mistakes.

Cheapflights partnered with top experts to bring you the best recommendations for your Sacramento to St. Louis trip

Airports

SMF

STL

Our travel experts

Reviews of airlines servicing St. Louis

Read reviews from past customers who have flown Alaska Airlines, Southwest, and Delta from Sacramento to St. Louis. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Sacramento to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

How popular is this Sacramento to St. Louis flight route?

How long is the flight from Sacramento to St. Louis?

What are the cheapest airlines flying from Sacramento to St. Louis round-trip?

What are the cheapest airlines to fly from Sacramento to St. Louis one-way?

What are the cheapest flights from Sacramento to St. Louis?

Can I find deals for flights from Sacramento to St. Louis that include hotel bookings?

How can I find direct flights from Sacramento to St. Louis?

Can I find deals for business class flights from Sacramento to St. Louis?

What is the cheapest month to book a flight from Sacramento to St. Louis?

Traveling to a place near St. Louis?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Sacramento to St. Louis

See prices for flight routes from nearby airports that may be better suited for you.

Top 5 airlines flying from Sacramento to St. Louis

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Sacramento to St. Louis
Explore the most affordable flight options available from Sacramento to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 23, 2025.