$92+ 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 5/16. Fares are subject to change and may not be available on all flights or dates of travel.
SMF — STL
May 18 — May 251
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 January or June, booked 43 days in advance, depart on a Saturday or Wednesday and return on a Friday
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 April 18, 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 April 18, 2026.
This CheapOair deal was found by Cheapflights users on 4/14. 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.
Tue 5/52:42 pm
SMF
- STL
1 stop25h 24m
Frontier
Tue 5/126:51 pm
STL
- SMF
1 stop23h 28m
Frontier
Deal found 4/14![Frontier logo]()
$171
This CheapOair deal was found by Cheapflights users on 4/14. 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.
Wed 5/62:42 pm
SMF
- STL
1 stop18h 59m
Frontier
Fri 5/89:18 pm
STL
- SMF
1 stop21h 06m
Frontier
Deal found 4/14![Frontier logo]()
$196
This CheapOair deal was found by Cheapflights users on 4/15. 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.
Sun 5/311:03 am
SMF
- STL
1 stop6h 18m
Frontier
Mon 5/49:55 pm
STL
- SMF
1 stop17h 52m
Frontier
Deal found 4/15![Frontier logo]()
$211
This CheapOair deal was found by Cheapflights users on 4/16. 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.
Wed 5/135:14 pm
SMF
- STL
1 stop16h 27m
Frontier
Fri 5/229:06 pm
STL
- SMF
1 stop21h 21m
Frontier
Deal found 4/16![Frontier logo]()
$216
This CheapOair deal was found by Cheapflights users on 4/14. 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.
Wed 5/275:22 pm
SMF
- STL
1 stop25h 04m
Frontier
Mon 6/19:21 pm
STL
- SMF
1 stop21h 06m
Frontier
Deal found 4/14![Frontier logo]()
$221
This CheapOair deal was found by Cheapflights users on 4/14. 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.
Thu 5/75:19 pm
SMF
- STL
1 stop25h 04m
Frontier
Sun 5/108:08 pm
STL
- SMF
1 stop16h 35m
Frontier
Deal found 4/14![Frontier logo]()
$236
This CheapOair deal was found by Cheapflights users on 4/16. 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.
Fri 5/111:03 am
SMF
- STL
1 stop6h 18m
Frontier
Mon 5/49:55 pm
STL
- SMF
1 stop17h 52m
Frontier
Deal found 4/16![Frontier logo]()
$237
This CheapOair deal was found by Cheapflights users on 4/14. 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.
Sat 7/1111:25 am
SMF
- STL
1 stop5h 58m
Frontier
Fri 7/178:21 pm
STL
- SMF
1 stop21h 54m
Frontier
Deal found 4/14![Frontier logo]()
$261
This CheapOair deal was found by Cheapflights users on 4/17. 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.
Sun 5/311:03 am
SMF
- STL
1 stop6h 18m
Frontier
Thu 5/78:08 pm
STL
- SMF
1 stop16h 35m
Frontier
Deal found 4/17![Frontier logo]()
$266
This Kiwi.com deal was found by Cheapflights users on 4/13. 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 5/36:52 pm
SMF
- STL
1 stop24h 08m
Frontier
Sat 5/98:08 pm
STL
- SMF
2 stops25h 23m
Frontier
Deal found 4/13![Frontier logo]()
$272
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 April 18, 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 April 18, 2026.
This United Airlines deal was found by Cheapflights users on 4/16. 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 8/195:00 am
SMF
- STL
1 stop5h 40m
United Airlines
Wed 8/195:32 pm
STL
- SMF
1 stop6h 50m
United Airlines
Deal found 4/16![United Airlines logo]()
$312
This Southwest deal was found by Cheapflights users on 4/17. 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 6/264:00 pm
SMF
- STL
1 stop5h 55m
Southwest
Tue 6/305:35 am
STL
- SMF
1 stop5h 50m
Southwest
Deal found 4/17![Southwest logo]()
$348
This Alaska Airlines deal was found by Cheapflights users on 4/17. 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.
Mon 5/412:52 pm
SMF
- STL
1 stop9h 07m
Alaska Airlines
Tue 5/54:46 pm
STL
- SMF
1 stop9h 10m
Alaska Airlines
Deal found 4/17![Alaska Airlines logo]()
$357
This United Airlines deal was found by Cheapflights users on 4/14. 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.
Tue 10/63:45 pm
SMF
- STL
1 stop5h 58m
United Airlines
Sat 10/105:18 pm
STL
- SMF
1 stop7h 17m
United Airlines
Deal found 4/14![United Airlines logo]()
$317
This Southwest deal was found by Cheapflights users on 4/13. 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 6/810:25 am
SMF
- STL
Nonstop3h 40m
Southwest
Fri 6/125:45 am
STL
- SMF
1 stop6h 00m
Southwest
Deal found 4/13![Southwest logo]()
$395
This United Airlines deal was found by Cheapflights users on 4/14. 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 5/224:19 pm
SMF
- STL
1 stop5h 38m
United Airlines
Mon 5/255:10 am
STL
- SMF
1 stop6h 25m
United Airlines
Deal found 4/14![United Airlines logo]()
$397
This Southwest deal was found by Cheapflights users on 4/17. 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.
Tue 10/61:00 pm
SMF
- STL
2 stops7h 25m
Southwest
Sat 10/101:45 pm
STL
- SMF
1 stop5h 55m
Southwest
Deal found 4/17![Southwest logo]()
$415
This United Airlines deal was found by Cheapflights users on 4/13. 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.
Tue 6/24:19 pm
SMF
- STL
1 stop5h 38m
United Airlines
Wed 6/35:10 am
STL
- SMF
1 stop6h 25m
United Airlines
Deal found 4/13![United Airlines logo]()
$417
Last-minute flights from Sacramento to St. LouisDiscover last-minute flight deals from Sacramento to St. Louis. Data last updated April 18, 2026 and is based on user searches.
Discover last-minute flight deals from Sacramento to St. Louis. Data last updated April 18, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 4/16. 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.
Fri 5/111:03 am
SMF
- STL
1 stop6h 18m
Frontier
Mon 5/49:55 pm
STL
- SMF
1 stop17h 52m
Frontier
Deal found 4/16![Frontier logo]()
$237
This CheapOair deal was found by Cheapflights users on 4/15. 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.
Sun 5/311:03 am
SMF
- STL
1 stop6h 18m
Frontier
Mon 5/49:55 pm
STL
- SMF
1 stop17h 52m
Frontier
Deal found 4/15![Frontier logo]()
$211
This CheapOair deal was found by Cheapflights users on 4/17. 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.
Sun 5/311:03 am
SMF
- STL
1 stop6h 18m
Frontier
Thu 5/78:08 pm
STL
- SMF
1 stop16h 35m
Frontier
Deal found 4/17![Frontier logo]()
$266
This Kiwi.com deal was found by Cheapflights users on 4/13. 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 5/36:52 pm
SMF
- STL
1 stop24h 08m
Frontier
Sat 5/98:08 pm
STL
- SMF
2 stops25h 23m
Frontier
Deal found 4/13![Frontier logo]()
$272
This CheapOair deal was found by Cheapflights users on 4/14. 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.
Tue 5/52:42 pm
SMF
- STL
1 stop25h 24m
Frontier
Tue 5/126:51 pm
STL
- SMF
1 stop23h 28m
Frontier
Deal found 4/14![Frontier logo]()
$171
This CheapOair deal was found by Cheapflights users on 4/14. 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.
Wed 5/62:42 pm
SMF
- STL
1 stop18h 59m
Frontier
Fri 5/89:18 pm
STL
- SMF
1 stop21h 06m
Frontier
Deal found 4/14![Frontier logo]()
$196
This CheapOair deal was found by Cheapflights users on 4/14. 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.
Thu 5/75:19 pm
SMF
- STL
1 stop25h 04m
Frontier
Sun 5/108:08 pm
STL
- SMF
1 stop16h 35m
Frontier
Deal found 4/14![Frontier logo]()
$236
This CheapOair deal was found by Cheapflights users on 4/16. 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.
Wed 5/135:14 pm
SMF
- STL
1 stop16h 27m
Frontier
Fri 5/229:06 pm
STL
- SMF
1 stop21h 21m
Frontier
Deal found 4/16![Frontier logo]()
$216
This CheapOair deal was found by Cheapflights users on 4/16. 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 5/1811:28 am
SMF
- STL
1 stop5h 55m
Frontier
Tue 5/196:51 pm
STL
- SMF
1 stop20h 56m
Frontier
Deal found 4/16![Frontier logo]()
$261
This CheapOair deal was found by Cheapflights users on 4/14. 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.
Wed 5/275:22 pm
SMF
- STL
1 stop25h 04m
Frontier
Mon 6/19:21 pm
STL
- SMF
1 stop21h 06m
Frontier
Deal found 4/14![Frontier logo]()
$221
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 April 18, 2026.
Search for one-way flight options from Sacramento to St. Louis. Find affordable one-way fares based on user searches. Data last updated April 18, 2026.
This CheapOair deal was found by Cheapflights users on 4/17. 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.
Sat 5/165:14 pm
SMF
- STL
1 stop16h 27m
Frontier
Deal found 4/17![Frontier logo]()
$92
This Priceline deal was found by Cheapflights users on 4/14. 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.
Sun 5/311:03 am
SMF
- STL
1 stop6h 18m
Frontier
Deal found 4/14![Frontier logo]()
$100
This Kiwi.com deal was found by Cheapflights users on 4/13. 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 6/156:30 pm
SMF
- STL
2 stops46h 53m
Frontier
Deal found 4/13![Frontier logo]()
$109
This Kiwi.com deal was found by Cheapflights users on 4/15. 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 5/1511:28 am
SMF
- STL
1 stop29h 55m
Frontier
Deal found 4/15![Frontier logo]()
$112
This CheapOair deal was found by Cheapflights users on 4/14. 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.
Tue 6/95:10 pm
SMF
- STL
1 stop22h 58m
Frontier
Deal found 4/14![Frontier logo]()
$117
This Priceline deal was found by Cheapflights users on 4/17. 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.
Wed 7/111:25 am
SMF
- STL
1 stop5h 58m
Frontier
Deal found 4/17![Frontier logo]()
$119
This Kiwi.com deal was found by Cheapflights users on 4/13. 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 5/115:14 pm
SMF
- STL
1 stop22h 52m
Frontier
Deal found 4/13![Frontier logo]()
$123
This Kiwi.com deal was found by Cheapflights users on 4/15. 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 5/135:14 pm
SMF
- STL
2 stops24h 09m
Frontier
Deal found 4/15![Frontier logo]()
$124
This Frontier deal was found by Cheapflights users on 4/14. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/1111:25 am
SMF
- STL
1 stop5h 58m
Frontier
Deal found 4/14![Frontier logo]()
$125
This Priceline deal was found by Cheapflights users on 4/14. 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 4/2311:03 am
SMF
- STL
1 stop6h 18m
Frontier
Deal found 4/14![Frontier logo]()
$126
This Kiwi.com deal was found by Cheapflights users on 4/14. 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 5/105:14 pm
SMF
- STL
2 stops24h 09m
Frontier
Deal found 4/14![Frontier logo]()
$130
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 April 18, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $171 (CheapOair) |
One-way from | $92 (CheapOair) |
Popular in | March |
Cheapest in | January |
Average price | $432 |
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 April 18, 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 8/19
5:00 am-12:40 pm
1 stop5h 40m
Lambert-St Louis
Wed 8/19
5:32 pm-10:22 pm
1 stop6h 50m
$312
SacramentoSt. Louis
SMF - STL
SMFSTL
Sacramento Intl
Tue 10/6
3:45 pm-11:43 pm
1 stop5h 58m
Lambert-St Louis
Sat 10/10
5:18 pm-10:35 pm
1 stop7h 17m
$317
SacramentoSt. Louis
SMF - STL
SMFSTL
Sacramento Intl
Fri 6/26
4:00 pm-11:55 pm
1 stop5h 55m
Lambert-St Louis
Tue 6/30
5:35 am-9:25 am
1 stop5h 50m
$348
SacramentoSt. Louis
SMF - STL
SMFSTL
Sacramento Intl
Mon 5/4
12:52 pm-11:59 pm
1 stop9h 07m
Lambert-St Louis
Tue 5/5
4:46 pm-11:56 pm
1 stop9h 10m
$357
Quickest round-trip
SacramentoSt. Louis
SMF - STL
SMFSTL
Sacramento Intl
Mon 6/8
10:25 am-4:05 pm
Nonstop3h 40m
Lambert-St Louis
Fri 6/12
5:45 am-9:45 am
1 stop6h 00m
$395
SacramentoSt. Louis
SMF - STL
SMFSTL
Sacramento Intl
Fri 5/22
4:19 pm-11:57 pm
1 stop5h 38m
Lambert-St Louis
Mon 5/25
5:10 am-9:35 am
1 stop6h 25m
$397
SacramentoSt. Louis
SMF - STL
SMFSTL
Sacramento Intl
Tue 10/6
1:00 pm-10:25 pm
2 stops7h 25m
Lambert-St Louis
Sat 10/10
1:45 pm-5:40 pm
1 stop5h 55m
$415
SacramentoSt. Louis
SMF - STL
SMFSTL
Sacramento Intl
Tue 6/2
4:19 pm-11:57 pm
1 stop5h 38m
Lambert-St Louis
Wed 6/3
5:10 am-9:35 am
1 stop6h 25m
$417
Cheapest one-way
Quickest one-way
SacramentoSt. Louis
SMF - STL
SMFSTL
Sacramento Intl
Mon 8/24
4:14 pm-11:50 pm
1 stop5h 36m
$159
SacramentoSt. Louis
SMF - STL
SMFSTL
Sacramento Intl
Sat 5/9
1:05 pm-9:06 pm
1 stop6h 01m
$159
Showing 1-10 of 16 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 April.
| 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 Accuracy3 stars | Trust Score*3 stars |
- 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?
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 10, 2026.
Booking 43 days in advance of your planned departure date is, on average, the best time to get cheap flights from Sacramento to St. Louis. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Sacramento to St. Louis?
Currently, January is the cheapest month in which you can book a flight from Sacramento to St. Louis (average of $377). 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 April 18, 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 April 18, 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.
Comfort
8.0
Food
7.0
Boarding
8.1
Overall
8.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Comfort
8.0
Food
7.0
Boarding
8.1
Overall
8.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Comfort
8.0
Food
7.0
Boarding
8.1
Overall
8.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Comfort
8.0
Food
7.0
Boarding
8.1
Overall
8.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Comfort
8.0
Food
7.0
Boarding
8.1
Overall
8.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
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
Maryland Heights
Collinsville
Eureka
Wentzville
Glencoe
Chesterfield
Alton
Farmington
Festus
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Sacramento and St. Louis flights
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Other flights to St. Louis
Explore flights to St. Louis departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on April 18, 2026.
Top 4 airlines flying from Sacramento to St. Louis
Discover the top 4 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 April 18, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$186 | Average$379 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$242 | Average$432 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$256 | Average$376 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$331 | Average$555 | FlexibilityNo cancel fee | On-time63% |