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

Within the past month, 5 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 $257. Other airlines that can offer you cheap pricing are Delta, from $267, and Frontier, from $281. American Airlines is 23% 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 $99. However, be on the lookout for offers from United Airlines and Alaska 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 $128. On average you can expect to pay $372. The most popular route, (Sacramento Intl - Lambert-St Louis), can usually be booked for $225.

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

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

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

Departing on a Tuesday is a good option for securing a great price. You can expect to save up to 44% when planning your travel around this day of the week.

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

Travelers have found it’s best to book a flight 54 days in advance to save up to 39% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 54 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Sacramento to St. Louis 1-2 weeks in advance for as low as $299, or $423 for flights within the next 24 hours.

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

Due to multiple factors, expect to potentially pay more when booking in June. For low rates, January can be a great choice for travel to St. Louis. Flights to St. Louis from Sacramento in January are about $336 on average during January, but can be found for as low as $196.

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 eDreams the most. eDreams 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.

$99+ 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 January or February, booked 53 days in advance, depart on a Wednesday or Tuesday and return on a Monday

Cheap flight deals from Sacramento to St. Louis

Most accurate provider	FlightHub 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$257 (American Airlines)
One-way from	$99 (Frontier)
Popular in	June
Cheapest in	January
Average price	$397

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. 14% potential increase in price ($55 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 April 2025

Search Deals

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 April 17, 2025.

Fri 5/94:20 pmSMF - STL

1 stop5h 38mAmerican Airlines

Tue 5/135:00 amSTL - SMF

1 stop7h 33mAmerican Airlines

Deal found 4/17

$257

Sun 5/410:00 pmSMF - STL

1 stop9h 36mDelta

Fri 5/91:09 pmSTL - SMF

1 stop7h 41mDelta

Deal found 4/17

$267

Fri 4/2512:03 pmSMF - STL

1 stop19h 58mFrontier

Sun 4/279:55 pmSTL - SMF

1 stop22h 59mFrontier

Deal found 4/17

$281

Mon 9/151:09 pmSMF - STL

1 stop6h 59mUnited Airlines

Wed 9/171:30 pmSTL - SMF

2 stops8h 11mUnited Airlines

Deal found 4/17

$286

Fri 5/212:58 pmSMF - STL

1 stop9h 01mAlaska Airlines

Tue 5/66:30 amSTL - SMF

1 stop7h 34mAlaska Airlines

Deal found 4/17

$296

Wed 5/145:30 amSMF - STL

1 stop6h 05mSouthwest

Wed 5/215:25 pmSTL - SMF

Nonstop4h 15mSouthwest

Deal found 4/16

$338

Thu 6/57:37 pmSMF - STL

2 stops35h 38mMultiple Airlines

Mon 6/97:00 amSTL - SMF

2 stops28h 46mMultiple Airlines

Deal found 4/17

$363

Thu 4/242:35 pmSMF - STL

1 stop7h 24mHawaiian Airlines

Sun 4/276:30 amSTL - SMF

1 stop7h 34mHawaiian Airlines

Deal found 4/17

$518

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 April 17, 2025.

Fri 5/94:20 pmSMF - STL

1 stop5h 38mAmerican Airlines

Tue 5/135:00 amSTL - SMF

1 stop7h 33mAmerican Airlines

Deal found 4/17

$257

Sun 5/410:00 pmSMF - STL

1 stop9h 36mDelta

Fri 5/91:09 pmSTL - SMF

1 stop7h 41mDelta

Deal found 4/17

$267

Fri 4/2512:03 pmSMF - STL

1 stop19h 58mFrontier

Sun 4/279:55 pmSTL - SMF

1 stop22h 59mFrontier

Deal found 4/17

$281

Fri 5/212:58 pmSMF - STL

1 stop9h 01mAlaska Airlines

Tue 5/66:30 amSTL - SMF

1 stop7h 34mAlaska Airlines

Deal found 4/17

$296

Wed 5/1410:38 amSMF - STL

2 stops8h 23mUnited Airlines

Wed 5/215:20 amSTL - SMF

1 stop6h 25mUnited Airlines

Deal found 4/16

$304

Wed 5/145:30 amSMF - STL

1 stop6h 05mSouthwest

Wed 5/215:25 pmSTL - SMF

Nonstop4h 15mSouthwest

Deal found 4/16

$338

Thu 6/57:37 pmSMF - STL

2 stops35h 38mMultiple Airlines

Mon 6/97:00 amSTL - SMF

2 stops28h 46mMultiple Airlines

Deal found 4/17

$363

Thu 4/242:35 pmSMF - STL

1 stop7h 24mHawaiian Airlines

Sun 4/276:30 amSTL - SMF

1 stop7h 34mHawaiian Airlines

Deal found 4/17

$518

Last-minute flights from Sacramento to St. Louis
Discover last-minute flight deals from Sacramento to St. Louis. Data last updated April 17, 2025 and is based on user searches.

Thu 4/242:35 pmSMF - STL

1 stop7h 24mHawaiian Airlines

Sun 4/276:30 amSTL - SMF

1 stop7h 34mHawaiian Airlines

Deal found 4/17

$518

Thu 4/2410:43 amSMF - STL

2 stops9h 26mUnited Airlines

Sun 4/275:35 pmSTL - SMF

1 stop6h 57mUnited Airlines

Deal found 4/17

$624

Fri 4/2512:03 pmSMF - STL

1 stop19h 58mFrontier

Sun 4/279:55 pmSTL - SMF

1 stop22h 59mFrontier

Deal found 4/17

$281

Fri 4/257:00 amSMF - STL

2 stops13h 12mAlaska Airlines

Sun 4/2711:21 amSTL - SMF

2 stops14h 16mAlaska Airlines

Deal found 4/17

$1,088

Fri 5/212:58 pmSMF - STL

1 stop9h 01mAlaska Airlines

Tue 5/66:30 amSTL - SMF

1 stop7h 34mAlaska Airlines

Deal found 4/17

$296

Sun 5/410:00 pmSMF - STL

1 stop9h 36mDelta

Fri 5/91:09 pmSTL - SMF

1 stop7h 41mDelta

Deal found 4/17

$267

Fri 5/94:20 pmSMF - STL

1 stop5h 38mAmerican Airlines

Tue 5/135:00 amSTL - SMF

1 stop7h 33mAmerican Airlines

Deal found 4/17

$257

Wed 5/1410:38 amSMF - STL

2 stops8h 23mUnited Airlines

Wed 5/215:20 amSTL - SMF

1 stop6h 25mUnited Airlines

Deal found 4/16

$304

Wed 5/145:30 amSMF - STL

1 stop6h 05mSouthwest

Wed 5/215:25 pmSTL - SMF

Nonstop4h 15mSouthwest

Deal found 4/16

$338

Fri 5/161:18 pmSMF - STL

1 stop5h 47mMultiple Airlines

Tue 5/206:52 amSTL - SMF

2 stops14h 07mMultiple Airlines

Deal found 4/17

$364

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 April 17, 2025.

Mon 5/191:18 pmSMF - STL

1 stop5h 47mFrontier

Deal found 4/17

$99

Fri 6/611:59 pmSMF - STL

1 stop8h 46mUnited Airlines

Deal found 4/17

$124

Tue 5/2010:41 amSMF - STL

2 stops21h 18mMultiple Airlines

Deal found 4/17

$126

Wed 5/1412:58 pmSMF - STL

1 stop9h 01mAlaska Airlines

Deal found 4/16

$128

Tue 5/272:55 pmSMF - STL

1 stop7h 09mHawaiian Airlines

Deal found 4/17

$134

Thu 6/51:09 amSMF - STL

1 stop6h 09mAmerican Airlines

Deal found 4/17

$150

Thu 6/122:37 pmSMF - STL

2 stops17h 56mSpirit Airlines

Deal found 4/17

$157

Mon 5/198:15 pmSMF - STL

2 stops12h 32mDelta

Deal found 4/16

$173

Tue 5/2012:35 pmSMF - STL

Nonstop3h 40mSouthwest

Deal found 4/17

$200

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 5/9

4:20 pm-11:58 pm

1 stop5h 38m

Lambert-St Louis

Tue 5/13

5:00 am-10:33 am

1 stop7h 33m

$257

SacramentoSt. Louis

SMF - STL

SMFSTL

Sacramento Intl

Sun 5/4

10:00 pm-9:36 am

1 stop9h 36m

Lambert-St Louis

Fri 5/9

1:09 pm-6:50 pm

1 stop7h 41m

$267

SacramentoSt. Louis

SMF - STL

SMFSTL

Sacramento Intl

Fri 4/25

12:03 pm-10:01 am

1 stop19h 58m

Lambert-St Louis

Sun 4/27

9:55 pm-6:54 pm

1 stop22h 59m

$281

SacramentoSt. Louis

SMF - STL

SMFSTL

Sacramento Intl

Fri 5/2

12:58 pm-11:59 pm

1 stop9h 01m

Lambert-St Louis

Tue 5/6

6:30 am-12:04 pm

1 stop7h 34m

$296

SacramentoSt. Louis

SMF - STL

SMFSTL

Sacramento Intl

Wed 5/14

10:38 am-9:01 pm

2 stops8h 23m

Lambert-St Louis

Wed 5/21

5:20 am-9:45 am

1 stop6h 25m

$304

SacramentoSt. Louis

SMF - STL

SMFSTL

Sacramento Intl

Wed 5/14

5:30 am-1:35 pm

1 stop6h 05m

Lambert-St Louis

Wed 5/21

5:25 pm-7:40 pm

Nonstop4h 15m

$338

SacramentoSt. Louis

SMF - STL

SMFSTL

Sacramento Intl

Thu 6/5

7:37 pm-9:15 am

2 stops35h 38m

Lambert-St Louis

Mon 6/9

7:00 am-9:46 am

2 stops28h 46m

$363

SacramentoSt. Louis

SMF - STL

SMFSTL

Sacramento Intl

Thu 4/24

2:35 pm-11:59 pm

1 stop7h 24m

Lambert-St Louis

Sun 4/27

6:30 am-12:04 pm

1 stop7h 34m

$518

SacramentoSt. Louis

SMF - STL

SMFSTL

Sacramento Intl

Mon 5/19

1:18 pm-9:05 pm

1 stop5h 47m

$99

SacramentoSt. Louis

SMF - STL

SMFSTL

Sacramento Intl

Fri 6/6

11:59 pm-10:45 am

1 stop8h 46m

$124

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/17

Showing 1-10 of 17 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 April.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*2 stars
eDreams	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 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 eDreams the most. eDreams 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 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?

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 33% 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. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in St. Louis 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

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

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

9,882 reviews

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

9,882 reviews

Alaska Airlines

8.0

Very good

9,882 reviews

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

4,280 reviews

Alaska Airlines

8.0

Very good

9,882 reviews

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

7,917 reviews

Alaska Airlines

8.0

Very good

9,882 reviews

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

2,382 reviews

Alaska Airlines

8.0

Very good

9,882 reviews

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

8,667 reviews

Alaska Airlines

8.0

Very good

9,882 reviews

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

How popular is this Sacramento to St. Louis flight route?
Within the past month, 5 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 $257. Other airlines that can offer you cheap pricing are Delta, from $267, and Frontier, from $281. American Airlines is 23% 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 $99. However, be on the lookout for offers from United Airlines and Alaska 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 $128. On average you can expect to pay $372. The most popular route, (Sacramento Intl - Lambert-St Louis), can usually be booked for $225.
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

Fenton

Maryland Heights

Fairview Heights

Collinsville

Wentzville

Eureka

St. Peters

Festus

Glencoe

Alton

Farmington

Chesterfield

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 St. Louis flights

San Francisco to Kansas City flights

Los Angeles to St. Louis flights

Ontario to Kansas City flights

San Diego to Kansas City flights

Ontario to St. Louis flights

Las Vegas to St. Louis flights

San Diego to St. Louis flights

San Jose to Kansas City flights

Sacramento to Kansas City flights

Santa Ana to Kansas City flights

Oakland to Kansas City flights

Burbank to Kansas City flights

Los Angeles to Springfield flights

Las Vegas to Kansas City flights

Burbank to St. Louis flights

Santa Ana to St. Louis flights

Ontario to Springfield flights

Palm Springs to Kansas City flights

San Diego to Springfield flights

Fresno to Kansas City flights

Oakland to St. Louis flights

San Francisco to Springfield flights

Long Beach to St. Louis flights

Santa Ana to Springfield flights

Sacramento to Springfield flights

San Jose to St. Louis flights

Reno to Kansas City flights

Long Beach to Kansas City flights

Fresno to St. Louis flights

Santa Barbara to Kansas City flights

Las Vegas to Springfield flights

Palm Springs to St. Louis flights

Palm Springs to Springfield flights

Bakersfield to St. Louis flights

Reno to St. Louis flights

Burbank to Springfield flights

San Jose to Springfield flights

Medford to St. Louis flights

Monterey to Kansas City flights

Arcata to Branson flights

Ontario to Joplin flights

Medford to Kansas City flights

Los Angeles to Joplin flights

San Francisco to Joplin flights

Fresno to Springfield flights

Santa Barbara to St. Louis flights

Oakland to Springfield 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
Frontier	Cheapest$108	Average$219	FlexibilityNo cancel fee	On-time62%
American Airlines	Cheapest$216	Average$358	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$236	Average$312	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$246	Average$387	FlexibilityNo cancel fee	On-time69%
Southwest	Cheapest$377	Average$527	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.

$99+ 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 5/19. 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 January or February, booked 53 days in advance, depart on a Wednesday or Tuesday and return on a Monday

Cheap 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

Find 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 April 17, 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 April 17, 2025.

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 April.

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?

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 April 11, 2025.

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?

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 April 17, 2025.

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 30, 2025.

Rainfall in St. Louis by month

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

Temperature in St. Louis by month

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

Reviews of airlines servicing St. Louis

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.

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?

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 Sacramento?

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 April 17, 2025.