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$119+ 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 5/23. Fares are subject to change and may not be available on all flights or dates of travel.
SMF — STL
Mar 30 — Apr 61
Sun 3/30
Sun 4/6
1 adult, Economy
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Cheapflights Tip: The best prices from Sacramento Intl to Lambert-St Louis are usually found in January or February, booked 53 days in advance, depart on a Wednesday or Tuesday and return on a Wednesday

Cheap 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 March 25, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$247
(American Airlines)

One-way from

$119
(United Airlines)

Popular in

June

Cheapest in

January

Average price

$386
Provider with most accurate pricing for Sacramento Intl-Lambert-St Louis flight deals.
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Provider most trusted by Cheapflights users for Sacramento Intl-Lambert-St Louis flights.
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From Sacramento Intl to Lambert-St Louis
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One-way flight from Sacramento Intl to Lambert-St Louis
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Highest demand for flights based on searches. 12% potential increase in price ($49 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Find 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 March 25, 2025.

This American Airlines deal was found by Cheapflights users on 3/23. 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.
Mon 4/2810:09 pmSMF - STL
1 stop8h 21mAmerican Airlines
Sat 5/37:04 amSTL - SMF
1 stop8h 25mAmerican Airlines
Deal found 3/23$247
This United Airlines deal was found by Cheapflights users on 3/23. 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.
Fri 5/210:38 amSMF - STL
2 stops8h 23mUnited Airlines
Mon 5/54:45 pmSTL - SMF
1 stop7h 59mUnited Airlines
Deal found 3/23$252
This Delta deal was found by Cheapflights users on 3/24. 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 9/265:00 pmSMF - STL
1 stop5h 38mDelta
Sun 9/288:55 amSTL - SMF
1 stop5h 52mDelta
Deal found 3/24$257
This Mytrip deal was found by Cheapflights users on 3/23. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/92:40 pmSMF - STL
2 stops16h 35mSpirit Airlines
Sun 5/1110:10 amSTL - SMF
2 stops25h 22mSpirit Airlines
Deal found 3/23$313
This CheapOair deal was found by Cheapflights users on 3/24. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/121:18 pmSMF - STL
1 stop5h 47mFrontier
Thu 5/154:07 pmSTL - SMF
1 stop20h 59mFrontier
Deal found 3/24$330
This Mytrip deal was found by Cheapflights users on 3/24. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/77:00 pmSMF - STL
3 stops19h 45mMultiple Airlines
Thu 4/106:10 pmSTL - SMF
2 stops16h 23mMultiple Airlines
Deal found 3/24$412
This Southwest deal was found by Cheapflights users on 3/23. 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.
Fri 5/24:35 pmSMF - STL
1 stop6h 00mSouthwest
Mon 5/51:55 pmSTL - SMF
Nonstop4h 15mSouthwest
Deal found 3/23$435
This Alaska Airlines deal was found by Cheapflights users on 3/24. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/268:08 amSMF - STL
2 stops13h 51mAlaska Airlines
Sun 9/286:30 amSTL - SMF
2 stops9h 03mAlaska Airlines
Deal found 3/24$533
This Hawaiian Airlines deal was found by Cheapflights users on 3/24. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/272:20 pmSMF - STL
1 stop7h 39mHawaiian Airlines
Sun 3/306:44 amSTL - SMF
1 stop7h 05mHawaiian Airlines
Deal found 3/24$852

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 March 25, 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

Mon 4/28

10:09 pm-8:30 am

1 stop8h 21m

Lambert-St Louis

Sat 5/3

7:04 am-1:29 pm

1 stop8h 25m

$247

SacramentoSt. Louis

SMF - STL

SMFSTL

Sacramento Intl

Fri 5/2

10:38 am-9:01 pm

2 stops8h 23m

Lambert-St Louis

Mon 5/5

4:45 pm-10:44 pm

1 stop7h 59m

$252

SacramentoSt. Louis

SMF - STL

SMFSTL

Sacramento Intl

Thu 5/15

11:12 pm-9:35 am

1 stop8h 23m

Lambert-St Louis

Fri 5/23

7:19 pm-11:39 pm

1 stop6h 20m

$267

SacramentoSt. Louis

SMF - STL

SMFSTL

Sacramento Intl

Fri 5/9

2:40 pm-9:15 am

2 stops16h 35m

Lambert-St Louis

Sun 5/11

10:10 am-9:32 am

2 stops25h 22m

$313

SacramentoSt. Louis

SMF - STL

SMFSTL

Sacramento Intl

Mon 5/12

1:18 pm-9:05 pm

1 stop5h 47m

Lambert-St Louis

Thu 5/15

4:07 pm-11:06 am

1 stop20h 59m

$330

SacramentoSt. Louis

SMF - STL

SMFSTL

Sacramento Intl

Mon 4/7

7:00 pm-4:45 pm

3 stops19h 45m

Lambert-St Louis

Thu 4/10

6:10 pm-8:33 am

2 stops16h 23m

$412

SacramentoSt. Louis

SMF - STL

SMFSTL

Sacramento Intl

Fri 5/2

4:35 pm-12:35 am

1 stop6h 00m

Lambert-St Louis

Mon 5/5

1:55 pm-4:10 pm

Nonstop4h 15m

$435

SacramentoSt. Louis

SMF - STL

SMFSTL

Sacramento Intl

Fri 9/5

12:10 pm-11:59 pm

2 stops9h 49m

Lambert-St Louis

Sun 9/7

7:36 pm-8:36 am

2 stops15h 00m

$551

SacramentoSt. Louis

SMF - STL

SMFSTL

Sacramento Intl

Fri 5/23

2:11 pm-10:45 pm

1 stop6h 34m

$119

SacramentoSt. Louis

SMF - STL

SMFSTL

Sacramento Intl

Wed 5/21

2:55 pm-12:04 am

1 stop7h 09m

$123

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/24

Showing 1-10 of 17 results
1
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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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Sacramento-St. Louis flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 March 21, 2025.

Booking 53 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, August is the cheapest month in which you can book a flight from Sacramento to St. Louis (average of $311). Flying from Sacramento to St. Louis in March is currently the most expensive (average of $356). 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 March 25, 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 34% 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 March 23, 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. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in St. Louis by month

Plan your trip to St. Louis by taking into account the average rainfall totals by month.

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.

Temperature in St. Louis by month

Plan your trip to St. Louis by taking into account the average temperature totals by month.

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).

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 March 25, 2025.
Read through reviews of airlines operating flights from Sacramento to St. Louis, such as Alaska Airlines, Southwest and Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,782 reviews

Entertainment

7.1

Crew

8.5

Comfort

7.9

Boarding

8.2

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,782 reviews
Alaska Airlines
8.0
Very good
9,782 reviews

Entertainment

7.1

Crew

8.5

Comfort

7.9

Boarding

8.2

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Southwest
8.0
Very good
4,272 reviews
Alaska Airlines
8.0
Very good
9,782 reviews

Entertainment

7.1

Crew

8.5

Comfort

7.9

Boarding

8.2

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,890 reviews
Alaska Airlines
8.0
Very good
9,782 reviews

Entertainment

7.1

Crew

8.5

Comfort

7.9

Boarding

8.2

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Hawaiian Airlines
7.9
Good
2,330 reviews
Alaska Airlines
8.0
Very good
9,782 reviews

Entertainment

7.1

Crew

8.5

Comfort

7.9

Boarding

8.2

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,605 reviews
Alaska Airlines
8.0
Very good
9,782 reviews

Entertainment

7.1

Crew

8.5

Comfort

7.9

Boarding

8.2

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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.

  • What airports do I use to fly from Sacramento to St. Louis?

    If you wish to fly to St. Louis from Sacramento, then you need to book flights from Sacramento Intl to Lambert-St Louis. There is 1 flight from Sacramento Intl (SMF) to Lambert-St Louis (STL) per day to choose from. Flights to St. Louis from Sacramento Intl are available from 5 different airlines, which means you should have some options if you want to compare airfare deals. 3h 35m is how long a nonstop flight from Sacramento to Lambert-St Louis typically takes.

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

    Within the past month, 4 users have taken a look at flights from Sacramento Intl to Lambert-St Louis.

  • 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 $247. Other airlines that can offer you cheap pricing are United Airlines, from $252, and Delta, from $267. American Airlines is 26% 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 United Airlines, with whom users have recently found tickets for as low as $119. However, be on the lookout for offers from Alaska Airlines and American 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 $143. On average you can expect to pay $379. The most popular route, (Sacramento Intl - Lambert-St Louis), can usually be booked for $242.

  • 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, August is the cheapest month in which you can book a flight from Sacramento to St. Louis (average of $311). Flying from Sacramento to St. Louis in March is currently the most expensive (average of $356). 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 Sacramento?

Book flights to Sacramento if you plan to visit one of these locations
Fenton
Fairview Heights
Maryland Heights
Collinsville
Wentzville
Eureka
St. Peters
Festus
Glencoe
Alton
Farmington
Chesterfield

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Alternative routes for Sacramento to St. Louis

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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 March 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$108Average$218FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$216Average$357FlexibilityNo cancel feeOn-time71%
DeltaCheapest$236Average$313FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$246Average$389FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$346Average$508FlexibilityNo cancel feeOn-time63%
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