HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
St. Louis

$69+ 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 1/30. Fares are subject to change and may not be available on all flights or dates of travel.
SMF — STL
Jan 3 — Jan 101
Sat 1/3
Sat 1/10
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

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 55 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 4, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1212:31 pmSMF - STL
1 stop19h 43mFrontier
Sun 12/1410:44 pmSTL - SMF
1 stop22h 02mFrontier
Deal found 12/3$305
This Delta deal was found by Cheapflights users on 12/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/186:15 amSMF - STL
1 stop8h 34mDelta
Sat 1/105:00 pmSTL - SMF
1 stop7h 00mDelta
Deal found 12/2$310
This Southwest deal was found by Cheapflights users on 12/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/185:15 amSMF - STL
2 stops7h 15mSouthwest
Sat 1/105:30 amSTL - SMF
1 stop6h 25mSouthwest
Deal found 12/2$315
This United Airlines deal was found by Cheapflights users on 12/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/132:03 pmSMF - STL
1 stop6h 42mUnited Airlines
Sun 12/146:15 amSTL - SMF
1 stop8h 21mUnited Airlines
Deal found 12/4$372
This American Airlines deal was found by Cheapflights users on 12/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1111:59 pmSMF - STL
1 stop8h 37mAmerican Airlines
Thu 12/188:00 amSTL - SMF
1 stop6h 12mAmerican Airlines
Deal found 12/4$376
This Delta deal was found by Cheapflights users on 12/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/122:05 pmSMF - STL
1 stop7h 24mDelta
Mon 12/155:12 pmSTL - SMF
1 stop7h 47mDelta
Deal found 12/2$377
This American Airlines deal was found by Cheapflights users on 12/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/1412:57 pmSMF - STL
2 stops7h 28mAmerican Airlines
Tue 12/169:30 amSTL - SMF
2 stops11h 21mAmerican Airlines
Deal found 12/4$387
This United Airlines deal was found by Cheapflights users on 12/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/311:23 pmSMF - STL
1 stop9h 27mUnited Airlines
Wed 12/242:45 pmSTL - SMF
1 stop8h 23mUnited Airlines
Deal found 12/3$417
This Southwest deal was found by Cheapflights users on 12/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2412:40 pmSMF - STL
1 stop6h 20mSouthwest
Wed 12/312:40 pmSTL - SMF
2 stops8h 40mSouthwest
Deal found 12/3$423
This American Airlines deal was found by Cheapflights users on 12/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1210:27 pmSMF - STL
1 stop7h 57mAmerican Airlines
Sun 1/46:44 pmSTL - SMF
1 stop7h 48mAmerican Airlines
Deal found 12/4$428

Find flight deals from Sacramento to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Sacramento (SMF) to St. Louis (STL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 4, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$216
(Southwest)

One-way from

$69
(Kiwi.com)

Popular in

October

Cheapest in

February

Average price

$361
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. 9% potential increase in price ($42 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated December 4, 2025.
Use the filters below to find and compare flights from Sacramento to St. Louis that are best for you.

Fly from

Sacramento

Fly to

St. Louis

Route

Depart

Return

Price

SacramentoSt. Louis

SMF - STL

SMFSTL

Sacramento Intl

Thu 2/26

11:45 am-11:23 pm

2 stops9h 38m

Lambert-St Louis

Mon 3/2

7:00 am-12:06 pm

1 stop7h 06m

$248

SacramentoSt. Louis

SMF - STL

SMFSTL

Sacramento Intl

Thu 12/18

6:15 am-4:49 pm

1 stop8h 34m

Lambert-St Louis

Sat 1/10

5:00 pm-10:00 pm

1 stop7h 00m

$310

SacramentoSt. Louis

SMF - STL

SMFSTL

Sacramento Intl

Wed 5/27

6:20 pm-5:13 pm

1 stop20h 53m

Lambert-St Louis

Wed 6/3

6:20 pm-11:14 pm

1 stop6h 54m

$326

SacramentoSt. Louis

SMF - STL

SMFSTL

Sacramento Intl

Sun 5/3

5:34 am-3:04 pm

1 stop7h 30m

Lambert-St Louis

Sun 5/10

5:20 am-9:31 am

1 stop6h 11m

$327

SacramentoSt. Louis

SMF - STL

SMFSTL

Sacramento Intl

Sat 5/2

11:59 pm-8:55 am

1 stop6h 56m

Lambert-St Louis

Sat 5/9

6:00 pm-12:12 am

1 stop8h 12m

$327

SacramentoSt. Louis

SMF - STL

SMFSTL

Sacramento Intl

Sat 5/2

9:50 am-6:05 pm

1 stop6h 15m

Lambert-St Louis

Sat 5/9

1:45 pm-7:45 pm

2 stops8h 00m

$328

SacramentoSt. Louis

SMF - STL

SMFSTL

Sacramento Intl

Thu 1/15

9:00 am-1:54 pm

1 stop26h 54m

Lambert-St Louis

Sun 1/18

2:50 pm-8:03 pm

1 stop7h 13m

$341

SacramentoSt. Louis

SMF - STL

SMFSTL

Sacramento Intl

Sun 1/4

3:40 pm-11:40 pm

1 stop6h 00m

Lambert-St Louis

Tue 1/6

11:40 am-6:45 pm

1 stop9h 05m

$374

SacramentoSt. Louis

SMF - STL

SMFSTL

Sacramento Intl

Sun 12/14

5:25 am-1:30 pm

1 stop6h 05m

Lambert-St Louis

Tue 12/16

8:05 pm-11:59 pm

1 stop5h 54m

$377

SacramentoSt. Louis

SMF - STL

SMFSTL

Sacramento Intl

Fri 2/27

12:29 pm-10:02 am

1 stop19h 33m

$87

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/3

Showing 1-10 of 20 results
1
2

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.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
MytripPrice Accuracy3 starsTrust 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?

Use this chart to determine the optimal time to book a round-trip flight from Sacramento to St. Louis. Price data was last updated on November 28, 2025.

Booking 48 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 $119). 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?

Find hourly flight availability from Sacramento to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 4, 2025.

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 31% on airfare.

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

Use this chart to determine the cheapest time to fly round-trip from Sacramento to St. Louis. Price data was last updated on November 29, 2025.

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

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

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

Read more about SMFby Matt Meltzer
STL

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

Read more about STLby Taryn White
Our travel experts
Taryn White

Taryn White

Expert on STL

Taryn White

Taryn White

Taryn White is a freelance travel writer, digital creator, and travel advisor who has visited nearly 100 countries and all 50 states. She’s familiar with many airports and enjoys beach hopping, boutique hotels, spa experiences, and exploring local culture. Her work has appeared in Travel + Leisure, Condé Nast Traveler, National Geographic, Smithsonian Magazine, AFAR, and more.

Read more
Matt Meltzer

Matt Meltzer

Expert on SMF

Matt Meltzer

Matt Meltzer

Matt Meltzer has been a travel writer for over a decade, covering U.S. domestic locations and hotels for Thrillist, Fifty Grande, Matador Network, Conde Nast Traveler, and other top publications. He's won multiple travel journalism awards from the Society of American Travel Writers and North American Travel Journalists Association, and currently resides in South Florida.

Read more

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to St. Louis. Reviews last updated December 4, 2025.
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
11,402 reviews

Comfort

7.8

Overall

8.0

Crew

8.5

Boarding

8.1

Food

7.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

LAX - LIH

The staff were exceptional! They all were kind, accommodating, and professional.
Alaska Airlines
8.0
Very good
11,402 reviews
Alaska Airlines
8.0
Very good
11,402 reviews

Comfort

7.8

Overall

8.0

Crew

8.5

Boarding

8.1

Food

7.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

LAX - LIH

The staff were exceptional! They all were kind, accommodating, and professional.
Southwest
8.0
Very good
4,250 reviews
Alaska Airlines
8.0
Very good
11,402 reviews

Comfort

7.8

Overall

8.0

Crew

8.5

Boarding

8.1

Food

7.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

LAX - LIH

The staff were exceptional! They all were kind, accommodating, and professional.
Delta
7.9
Good
8,011 reviews
Alaska Airlines
8.0
Very good
11,402 reviews

Comfort

7.8

Overall

8.0

Crew

8.5

Boarding

8.1

Food

7.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

LAX - LIH

The staff were exceptional! They all were kind, accommodating, and professional.
United Airlines
7.4
Good
9,066 reviews
Alaska Airlines
8.0
Very good
11,402 reviews

Comfort

7.8

Overall

8.0

Crew

8.5

Boarding

8.1

Food

7.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

LAX - LIH

The staff were exceptional! They all were kind, accommodating, and professional.
American Airlines
7.2
Good
11,047 reviews
Alaska Airlines
8.0
Very good
11,402 reviews

Comfort

7.8

Overall

8.0

Crew

8.5

Boarding

8.1

Food

7.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

LAX - LIH

The staff were exceptional! They all were kind, accommodating, and professional.

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?

    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, Alaska Airlines, and United Airlines can get you from Sacramento to St. Louis in just under 7h 30m. Your travel time can differ by up to 13h 23m. 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 42% 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 $429. The most popular route, (Sacramento Intl - Lambert-St Louis), can usually be booked for $243.

  • 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 $119). 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

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Edwardsville
O'Fallon
Fairview Heights
Maryland Heights
Collinsville
Swansea
Eureka
Glencoe
St. Peters
Chesterfield
Alton
Farmington
Festus

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.
Los Angeles to Kansas City flights
San Francisco to Kansas City flights
San Francisco to St. Louis flights
Los Angeles to St. Louis flights
Ontario to Kansas City flights
Santa Ana to Kansas City flights
San Diego to St. Louis flights
San Diego to Kansas City flights
Oakland to Kansas City flights
Las Vegas to Kansas City flights
Los Angeles to Springfield flights
Ontario to St. Louis flights
Santa Ana to St. Louis flights
San Jose to Kansas City flights
Ontario to Springfield flights
Las Vegas to St. Louis flights
Burbank to Kansas City flights
Burbank to St. Louis flights
Sacramento to Kansas City flights
San Jose to St. Louis flights
Sacramento to Springfield flights
Oakland to St. Louis flights
San Francisco to Springfield flights
Long Beach to Kansas City flights
Long Beach to St. Louis flights
Santa Barbara to St. Louis flights
San Jose to Springfield flights
Las Vegas to Springfield flights
Palm Springs to St. Louis flights
San Diego to Springfield flights
Palm Springs to Kansas City flights
Fresno to St. Louis flights
Fresno to Kansas City flights
Reno to Kansas City flights
Fresno to Springfield flights
Burbank to Springfield flights
Arcata to Branson flights
Santa Ana to Springfield flights
San Jose to Columbia flights
Santa Rosa to St. Louis flights
Reno to St. Louis flights
Reno to Springfield flights
Redding to Springfield flights
Monterey to St. Louis flights
Medford to St. Louis flights
Medford to Kansas City flights
Santa Barbara to Kansas City flights
Ontario to Joplin flights
Los Angeles to Columbia flights

Top 5 airlines flying from Sacramento to St. Louis

Discover the top 5 airlines that operate flights from Sacramento to St. Louis. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$226Average$334FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$245Average$532FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$246Average$417FlexibilityNo cancel feeOn-time69%
DeltaCheapest$256Average$323FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$337Average$547FlexibilityNo cancel feeOn-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.