$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 10/28. Fares are subject to change and may not be available on all flights or dates of travel.
SMF — STL
Sep 1 — Sep 81
Round-trip
1 adult, Economy
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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 May or January, booked 54 days in advance, depart on a Saturday or Wednesday and return on a Saturday
Cheap flight deals from Sacramento to St. Louis
Cheapest
Best
Last-minute
One-way
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 August 2, 2026.
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 August 2, 2026.
This Expedia deal was found by Cheapflights users on 7/29. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/18:08 am
SMF
- STL
1 stop7h 02m
Alaska Airlines
Tue 9/86:08 pm
STL
- SMF
1 stop18h 49m
Alaska Airlines
Deal found 7/29![Alaska Airlines logo]()
$137
This Booking.com deal was found by Cheapflights users on 7/31. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/298:08 am
SMF
- STL
1 stop7h 02m
Alaska Airlines
Sat 9/56:08 pm
STL
- SMF
1 stop18h 46m
Alaska Airlines
Deal found 7/31![Alaska Airlines logo]()
$138
This Alaska Airlines deal was found by Cheapflights users on 7/29. 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.
Wed 9/308:08 am
SMF
- STL
1 stop7h 02m
Alaska Airlines
Thu 10/13:09 pm
STL
- SMF
1 stop10h 04m
Alaska Airlines
Deal found 7/29![Alaska Airlines logo]()
$157
This Expedia deal was found by Cheapflights users on 7/28. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/278:08 am
SMF
- STL
1 stop7h 02m
Alaska Airlines
Mon 8/316:08 pm
STL
- SMF
1 stop18h 46m
Alaska Airlines
Deal found 7/28![Alaska Airlines logo]()
$177
This Travelocity deal was found by Cheapflights users on 7/30. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/118:01 pm
SMF
- STL
2 stops19h 09m
Alaska Airlines
Sat 9/196:08 pm
STL
- SMF
1 stop18h 49m
Alaska Airlines
Deal found 7/30![Alaska Airlines logo]()
$195
This Booking.com deal was found by Cheapflights users on 7/30. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/16:00 am
SMF
- STL
1 stop10h 38m
Alaska Airlines
Tue 10/67:02 am
STL
- SMF
2 stops12h 18m
Alaska Airlines
Deal found 7/30![Alaska Airlines logo]()
$205
This Orbitz deal was found by Cheapflights users on 7/28. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/288:01 pm
SMF
- STL
2 stops19h 09m
Alaska Airlines
Mon 8/317:36 pm
STL
- SMF
1 stop15h 41m
Alaska Airlines
Deal found 7/28![Alaska Airlines logo]()
$215
This Travelocity deal was found by Cheapflights users on 7/31. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/226:57 pm
SMF
- STL
1 stop20h 13m
Alaska Airlines
Sat 9/266:08 pm
STL
- SMF
1 stop18h 49m
Alaska Airlines
Deal found 7/31![Alaska Airlines logo]()
$217
This Priceline deal was found by Cheapflights users on 7/30. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/311:42 am
SMF
- STL
1 stop5h 31m
Multiple Airlines
Sun 9/66:35 am
STL
- SMF
1 stop7h 31m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$228
This Priceline deal was found by Cheapflights users on 7/30. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/18:03 am
SMF
- STL
1 stop8h 35m
Multiple Airlines
Tue 10/612:17 pm
STL
- SMF
1 stop7h 11m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$233
Best flights from Sacramento to St. LouisDiscover 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 August 2, 2026.
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 August 2, 2026.
This Alaska Airlines deal was found by Cheapflights users on 8/1. 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.
Wed 9/308:08 am
SMF
- STL
1 stop7h 02m
Alaska Airlines
Thu 10/13:09 pm
STL
- SMF
1 stop10h 04m
Alaska Airlines
Deal found 8/1![Alaska Airlines logo]()
$237
This United Airlines deal was found by Cheapflights users on 7/29. 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 9/95:00 am
SMF
- STL
1 stop5h 40m
United Airlines
Wed 9/95:30 pm
STL
- SMF
1 stop7h 16m
United Airlines
Deal found 7/29![United Airlines logo]()
$422
This Southwest deal was found by Cheapflights users on 7/28. 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.
Mon 8/2412:25 pm
SMF
- STL
Nonstop3h 35m
Southwest
Wed 8/268:35 am
STL
- SMF
Nonstop4h 00m
Southwest
Deal found 7/28![Southwest logo]()
$427
This Alaska Airlines deal was found by Cheapflights users on 8/2. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/28:08 am
SMF
- STL
1 stop7h 02m
Alaska Airlines
Sat 9/126:08 pm
STL
- SMF
1 stop18h 49m
Alaska Airlines
Deal found 8/2![Alaska Airlines logo]()
$345
This Alaska Airlines deal was found by Cheapflights users on 7/31. 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.
Wed 9/238:08 am
SMF
- STL
1 stop7h 02m
Alaska Airlines
Sat 9/263:19 pm
STL
- SMF
1 stop20h 00m
Alaska Airlines
Deal found 7/31![Alaska Airlines logo]()
$400
This Southwest deal was found by Cheapflights users on 7/29. 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 9/118:15 am
SMF
- STL
1 stop8h 05m
Southwest
Sun 9/138:40 am
STL
- SMF
Nonstop4h 00m
Southwest
Deal found 7/29![Southwest logo]()
$475
This Southwest deal was found by Cheapflights users on 8/1. 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.
Sun 8/3010:05 am
SMF
- STL
1 stop6h 05m
Southwest
Sun 9/67:45 pm
STL
- SMF
Nonstop4h 00m
Southwest
Deal found 8/1![Southwest logo]()
$500
This Alaska Airlines deal was found by Cheapflights users on 7/28. 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.
Thu 8/1312:57 pm
SMF
- STL
1 stop9h 02m
Alaska Airlines
Tue 8/187:56 pm
STL
- SMF
1 stop15h 21m
Alaska Airlines
Deal found 7/28![Alaska Airlines logo]()
$467
Last-minute flights from Sacramento to St. LouisDiscover last-minute flight deals from Sacramento to St. Louis. Data last updated August 2, 2026 and is based on user searches.
Discover last-minute flight deals from Sacramento to St. Louis. Data last updated August 2, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 7/31. 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.
Sat 8/1511:25 am
SMF
- STL
2 stops34h 34m
Frontier
Thu 8/207:58 pm
STL
- SMF
1 stop16h 59m
Frontier
Deal found 7/31![Frontier logo]()
$342
This Kiwi.com deal was found by Cheapflights users on 8/1. 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 8/217:47 pm
SMF
- STL
2 stops18h 24m
Frontier
Sun 8/237:58 pm
STL
- SMF
1 stop16h 59m
Frontier
Deal found 8/1![Frontier logo]()
$309
This CheapOair deal was found by Cheapflights users on 7/28. 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 8/246:23 pm
SMF
- STL
1 stop21h 27m
Frontier
Wed 8/266:45 pm
STL
- SMF
1 stop26h 07m
Frontier
Deal found 7/28![Frontier logo]()
$288
This Alaska Airlines deal was found by Cheapflights users on 7/28. 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.
Tue 8/255:00 pm
SMF
- STL
2 stops22h 10m
Alaska Airlines
Tue 9/16:35 am
STL
- SMF
2 stops13h 43m
Alaska Airlines
Deal found 7/28![Alaska Airlines logo]()
$358
This Expedia deal was found by Cheapflights users on 7/28. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/278:08 am
SMF
- STL
1 stop7h 02m
Alaska Airlines
Mon 8/316:08 pm
STL
- SMF
1 stop18h 46m
Alaska Airlines
Deal found 7/28![Alaska Airlines logo]()
$177
This Expedia deal was found by Cheapflights users on 7/28. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/277:52 pm
SMF
- STL
2 stops19h 18m
Alaska Airlines
Sun 8/307:36 pm
STL
- SMF
1 stop15h 41m
Alaska Airlines
Deal found 7/28![Alaska Airlines logo]()
$360
This Trip.com deal was found by Cheapflights users on 7/30. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2711:42 am
SMF
- STL
1 stop5h 31m
Frontier
Thu 9/37:58 pm
STL
- SMF
1 stop16h 59m
Frontier
Deal found 7/30![Frontier logo]()
$361
This Orbitz deal was found by Cheapflights users on 7/28. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/288:01 pm
SMF
- STL
2 stops19h 09m
Alaska Airlines
Mon 8/317:36 pm
STL
- SMF
1 stop15h 41m
Alaska Airlines
Deal found 7/28![Alaska Airlines logo]()
$215
This Booking.com deal was found by Cheapflights users on 7/31. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/298:08 am
SMF
- STL
1 stop7h 02m
Alaska Airlines
Sat 9/56:08 pm
STL
- SMF
1 stop18h 46m
Alaska Airlines
Deal found 7/31![Alaska Airlines logo]()
$138
This Kiwi.com deal was found by Cheapflights users on 8/1. 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.
Sun 8/3011:42 am
SMF
- STL
1 stop29h 31m
Frontier
Sun 9/67:58 pm
STL
- SMF
1 stop16h 59m
Frontier
Deal found 8/1![Frontier logo]()
$338
One-way flights from Sacramento to St. LouisSearch for one-way flight options from Sacramento to St. Louis. Find affordable one-way fares based on user searches. Data last updated August 2, 2026.
Search for one-way flight options from Sacramento to St. Louis. Find affordable one-way fares based on user searches. Data last updated August 2, 2026.
This Alaska Airlines deal was found by Cheapflights users on 7/29. 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.
Sat 8/298:08 am
SMF
- STL
1 stop7h 02m
Alaska Airlines
Deal found 7/29![Alaska Airlines logo]()
$69
This Alaska Airlines deal was found by Cheapflights users on 7/30. 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.
Thu 10/18:03 am
SMF
- STL
1 stop8h 35m
Alaska Airlines
Deal found 7/30![Alaska Airlines logo]()
$89
This Expedia deal was found by Cheapflights users on 7/29. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/285:10 pm
SMF
- STL
1 stop18h 56m
Alaska Airlines
Deal found 7/29![Alaska Airlines logo]()
$94
This Expedia deal was found by Cheapflights users on 7/28. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/288:13 am
SMF
- STL
2 stops13h 46m
Alaska Airlines
Deal found 7/28![Alaska Airlines logo]()
$117
This Alaska Airlines deal was found by Cheapflights users on 7/30. 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.
Tue 9/15:00 pm
SMF
- STL
2 stops22h 10m
Alaska Airlines
Deal found 7/30![Alaska Airlines logo]()
$123
This Kiwi.com deal was found by Cheapflights users on 7/30. 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.
Tue 10/277:27 pm
SMF
- STL
2 stops45h 48m
Frontier
Deal found 7/30![Frontier logo]()
$127
This Kiwi.com deal was found by Cheapflights users on 7/29. 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.
Mon 9/287:44 pm
SMF
- STL
2 stops45h 33m
Frontier
Deal found 7/29![Frontier logo]()
$128
This Kiwi.com deal was found by Cheapflights users on 7/30. 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.
Sun 8/307:47 pm
SMF
- STL
2 stops21h 26m
Frontier
Deal found 7/30![Frontier logo]()
$129
This Expedia deal was found by Cheapflights users on 8/1. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/312:58 pm
SMF
- STL
1 stop24h 12m
Alaska Airlines
Deal found 8/1![Alaska Airlines logo]()
$134
This Kiwi.com deal was found by Cheapflights users on 7/29. 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.
Wed 8/1911:42 am
SMF
- STL
1 stop29h 31m
Frontier
Deal found 7/29![Frontier logo]()
$135
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 August 2, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $137 (Expedia) |
One-way from | $69 (Alaska Airlines) |
Popular in | March |
Cheapest in | May |
Average price | $420 |
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 August 2, 2026.
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
Cheapest round-trip
SacramentoSt. Louis
SMF - STL
SMFSTL
Sacramento Intl
Wed 9/30
8:08 am-5:10 pm
1 stop7h 02m
Lambert-St Louis
Thu 10/1
3:09 pm-11:13 pm
1 stop10h 04m
$237
SacramentoSt. Louis
SMF - STL
SMFSTL
Sacramento Intl
Wed 9/2
8:08 am-5:10 pm
1 stop7h 02m
Lambert-St Louis
Sat 9/12
6:08 pm-10:57 am
1 stop18h 49m
$345
SacramentoSt. Louis
SMF - STL
SMFSTL
Sacramento Intl
Wed 9/23
8:08 am-5:10 pm
1 stop7h 02m
Lambert-St Louis
Sat 9/26
3:19 pm-9:19 am
1 stop20h 00m
$400
SacramentoSt. Louis
SMF - STL
SMFSTL
Sacramento Intl
Wed 9/9
5:00 am-12:40 pm
1 stop5h 40m
Lambert-St Louis
Wed 9/9
5:30 pm-10:46 pm
1 stop7h 16m
$422
Quickest round-trip
SacramentoSt. Louis
SMF - STL
SMFSTL
Sacramento Intl
Mon 8/24
12:25 pm-6:00 pm
Nonstop3h 35m
Lambert-St Louis
Wed 8/26
8:35 am-10:35 am
Nonstop4h 00m
$427
SacramentoSt. Louis
SMF - STL
SMFSTL
Sacramento Intl
Thu 8/13
12:57 pm-11:59 pm
1 stop9h 02m
Lambert-St Louis
Tue 8/18
7:56 pm-9:17 am
1 stop15h 21m
$467
SacramentoSt. Louis
SMF - STL
SMFSTL
Sacramento Intl
Fri 9/11
8:15 am-6:20 pm
1 stop8h 05m
Lambert-St Louis
Sun 9/13
8:40 am-10:40 am
Nonstop4h 00m
$475
SacramentoSt. Louis
SMF - STL
SMFSTL
Sacramento Intl
Sun 8/30
10:05 am-6:10 pm
1 stop6h 05m
Lambert-St Louis
Sun 9/6
7:45 pm-9:45 pm
Nonstop4h 00m
$500
Cheapest one-way
SacramentoSt. Louis
SMF - STL
SMFSTL
Sacramento Intl
Wed 10/28
1:10 pm-11:59 pm
1 stop8h 49m
$69
SacramentoSt. Louis
SMF - STL
SMFSTL
Sacramento Intl
Sat 8/29
8:08 am-5:10 pm
1 stop7h 02m
$69
Showing 1-10 of 17 resultsSorted by cheapest first
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 August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- 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.
SMF-STL
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 52 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, May is the cheapest month in which you can book a flight from Sacramento to St. Louis (average of $324). Flying from Sacramento to St. Louis in March is currently the most expensive (average of $618). 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 August 2, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Sacramento to St. Louis as you normally would.
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
Our travel experts
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 August 2, 2026.
Read reviews from past customers who have flown Southwest,Delta, andUnited Airlines 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.
Boarding
8.1
Entertainment
7.5
Food
7.0
Comfort
8.0
Overall
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreAnonymous,Feb 2025
MCO - STL
Boarding
8.1
Entertainment
7.5
Food
7.0
Comfort
8.0
Overall
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreAnonymous,Feb 2025
MCO - STL
Boarding
8.1
Entertainment
7.5
Food
7.0
Comfort
8.0
Overall
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreAnonymous,Feb 2025
MCO - STL
Boarding
8.1
Entertainment
7.5
Food
7.0
Comfort
8.0
Overall
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreAnonymous,Feb 2025
MCO - STL
Boarding
8.1
Entertainment
7.5
Food
7.0
Comfort
8.0
Overall
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreAnonymous,Feb 2025
MCO - STL
Boarding
8.1
Entertainment
7.5
Food
7.0
Comfort
8.0
Overall
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreAnonymous,Feb 2025
MCO - STL
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.
Traveling to a place near St. Louis?
Book flights to St. Louis if you plan to visit one of these locationsEdwardsville
O'Fallon
Fenton
Swansea
Fairview Heights
Eureka
Maryland Heights
Collinsville
Wentzville
Glencoe
Chesterfield
Farmington
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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 August 2, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$194 | Average$319 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$226 | Average$458 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$236 | Average$452 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$236 | Average$366 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$322 | Average$541 | FlexibilityNo cancel fee | On-time63% |