Cheap flights from Sacramento to St. Louis (SMF - STL) from $45

This is the cheapest one-way flight price, found on 9/28. Prices may vary by date and flight preferences.
SMF — STL
Oct 3 — Oct 101

The best prices from Sacramento Intl to Lambert-St Louis are usually found in November or February, booked 42 days in advance, depart on a Wednesday or Saturday and return on a Wednesday

How to find the cheapest flight from Sacramento (SMF) to St. Louis (STL)

All the information you need to plan the best SMF to STL flight in 2023: compare Sacramento to St. Louis flight prices with the expected peak season, weather and rainfall in St. Louis.

Popular in

June

Cheapest in

November

Round-trip from

$299

One-way from

$140
High demand for flights, 31% potential price rise
Best time to find cheap flights, 43% potential price drop
From Sacramento Intl to Lambert-St Louis
One-way flight from Sacramento Intl to Lambert-St Louis

SMF - STL

Price

$299 - $474

STL

Temperature

32 - 80.6 °F

STL

Rainfall

2.2 - 4.7 inches

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 28% 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 41 days in advance to save up to 34% 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 41 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 $440, or $542 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, November can be a great choice for travel to St. Louis. Flights to St. Louis from Sacramento in November are about $403 on average during November, but can be found for as low as $143.

When is the cheapest time to fly from Sacramento to St. Louis (SMF - 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 at noon could potentially save you up to 20% on airfare.

Cheap Frontier flights from Sacramento to St. Louis

Check out some of the cheapest Frontier flights we've come across from Sacramento to St. Louis. Come back soon if you're not finding the exact deal you're looking for.

Cheap United Airlines flights from Sacramento to St. Louis

To aid your search, here are some of the cheapest United Airlines flights we've found from Sacramento to St. Louis. Ensure the flight price, dates, time, and airline match your criteria before you book.

Cheap Sacramento to St. Louis flights in September & October 2023

The best prices found for SMF to STL flights for September, October
Check out some of the best flight deals from Sacramento to St. Louis in 2023. More deals are always being added, so be sure to check back regularly.

Sacramento to St. Louis 2023 flight deals

Cheap flights to St. Louis from Sacramento found for this year
Check out some of the best flight deals from Sacramento to St. Louis in 2023. More deals are always being added, so be sure to check back regularly.

Sacramento to St. Louis flights leaving soon

Late deals on return flights to St. Louis from Sacramento, departing today and this week
Book one of these great deals on flights from Sacramento to St. Louis. Tip: verify your flight details before completing your reservation.

One-way flights to St. Louis from Sacramento

The cheapest one-way flights from Sacramento to St. Louis
If you're seeking multiple options on one-way flights from Sacramento to St. Louis, be sure to check out these deals, which are updated often. Users needing a return flight from Sacramento to St. Louis should utilize the search form above.

Find flights from Sacramento to St. Louis within your budget

Use the slider to find flights from Sacramento to St. Louis that fit your budget.

Fly from

Any airport

Fly to

Any airport

Budget

$130 - $359

Route

Depart

Return

Price

Sacramento IntlLambert-St Louis

SMF - STL

SMFSTL

Sacramento Intl

Tue 10/17

1 stop28h 46m

Lambert-St Louis

Tue 10/24

1 stop12h 41m

Sacramento IntlLambert-St Louis

SMF - STL

SMFSTL

Sacramento Intl

Mon 10/16

1 stop15h 43m

Lambert-St Louis

Wed 10/18

2 stops21h 21m

Sacramento IntlLambert-St Louis

SMF - STL

SMFSTL

Sacramento Intl

Wed 10/18

1 stop17h 23m

Lambert-St Louis

Tue 10/24

1 stop12h 41m

Sacramento IntlLambert-St Louis

SMF - STL

SMFSTL

Sacramento Intl

Tue 10/17

1 stop21h 24m

Lambert-St Louis

Tue 10/24

1 stop12h 41m

Sacramento IntlLambert-St Louis

SMF - STL

SMFSTL

Sacramento Intl

Mon 10/16

1 stop15h 43m

Lambert-St Louis

Wed 10/18

2 stops21h 21m

Sacramento IntlLambert-St Louis

SMF - STL

SMFSTL

Sacramento Intl

Mon 10/16

2 stops21h 00m

Lambert-St Louis

Wed 10/18

2 stops20h 14m

Sacramento IntlLambert-St Louis

SMF - STL

SMFSTL

Sacramento Intl

Fri 10/20

1 stop7h 00m

Lambert-St Louis

Tue 10/24

1 stop8h 44m

Sacramento IntlLambert-St Louis

SMF - STL

SMFSTL

Sacramento Intl

Fri 10/20

1 stop5h 48m

Lambert-St Louis

Sat 10/21

1 stop7h 20m

Sacramento IntlLambert-St Louis

SMF - STL

SMFSTL

Sacramento Intl

Fri 3/8

1 stop8h 32m

Lambert-St Louis

Thu 3/14

1 stop6h 01m

Flights are sorted by cheapest first

Deals found on 9/26

Reviews of airlines servicing St. Louis

Read through reviews of airlines operating flights from Sacramento to St. Louis, such as Frontier, United Airlines and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.1
Very good
1,394 reviews

Food

7.2

Overall

8.1

Comfort

8.0

Boarding

8.3

Crew

8.6

Entertainment

7.2

Reviews

1 / 10

Really nothing. There was no food involved and I did not participate in any entertainment but the flight attendant who wins the gold star is Ralph on my flight from Portland to Sacramento! (7/24 take off at 6:15 am)

Alaska Airlines
8.1
Very good
1,394 reviews
Alaska Airlines
8.1
Very good
1,394 reviews

Food

7.2

Overall

8.1

Comfort

8.0

Boarding

8.3

Crew

8.6

Entertainment

7.2

Reviews

1 / 10

Really nothing. There was no food involved and I did not participate in any entertainment but the flight attendant who wins the gold star is Ralph on my flight from Portland to Sacramento! (7/24 take off at 6:15 am)

Delta
7.9
Good
3,023 reviews
Alaska Airlines
8.1
Very good
1,394 reviews

Food

7.2

Overall

8.1

Comfort

8.0

Boarding

8.3

Crew

8.6

Entertainment

7.2

Reviews

1 / 10

Really nothing. There was no food involved and I did not participate in any entertainment but the flight attendant who wins the gold star is Ralph on my flight from Portland to Sacramento! (7/24 take off at 6:15 am)

United Airlines
7.4
Good
1,890 reviews
Alaska Airlines
8.1
Very good
1,394 reviews

Food

7.2

Overall

8.1

Comfort

8.0

Boarding

8.3

Crew

8.6

Entertainment

7.2

Reviews

1 / 10

Really nothing. There was no food involved and I did not participate in any entertainment but the flight attendant who wins the gold star is Ralph on my flight from Portland to Sacramento! (7/24 take off at 6:15 am)

American Airlines
7.2
Good
2,635 reviews
Alaska Airlines
8.1
Very good
1,394 reviews

Food

7.2

Overall

8.1

Comfort

8.0

Boarding

8.3

Crew

8.6

Entertainment

7.2

Reviews

1 / 10

Really nothing. There was no food involved and I did not participate in any entertainment but the flight attendant who wins the gold star is Ralph on my flight from Portland to Sacramento! (7/24 take off at 6:15 am)

Spirit Airlines
6.3
Okay
1,483 reviews
Alaska Airlines
8.1
Very good
1,394 reviews

Food

7.2

Overall

8.1

Comfort

8.0

Boarding

8.3

Crew

8.6

Entertainment

7.2

Reviews

1 / 10

Really nothing. There was no food involved and I did not participate in any entertainment but the flight attendant who wins the gold star is Ralph on my flight from Portland to Sacramento! (7/24 take off at 6:15 am)

Related info for your journey

Useful info, stats and facts about Sacramento to St. Louis flights.

Can I find flights from Sacramento to St. Louis for under $200 on Cheapflights?

Yes, there are multiple flights from Sacramento to St. Louis for under $200. The cheapest flight booked recently is on Frontier for just $130, but on average you can expect to pay $203.

Are there last-minute flights available from Sacramento to St. Louis for under $300?

There are currently 20+ open flights from Sacramento to St. Louis within the next 7 days for less than $300.

What days are nonstop flights available from Sacramento to St. Louis?

Nonstop flights can be found on the following days: Tuesday, Friday, Saturday.

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

How many flights depart from Sacramento to St. Louis on average per day?

3 flight departures from Sacramento to St. Louis per day on average.
Morning (6am - Noon) - 67% of flight departures
Afternoon (Noon - 6pm) - 33% of flight departures

How long is the flight from Sacramento to St. Louis?

Frontier, Spirit Airlines, and American Airlines can get you from Sacramento to St. Louis in just under 7h. Your travel time can differ by up to 21h 46m. The distance from Sacramento to St. Louis is about 1684 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

What are the cheapest airlines flying from Sacramento to St. Louis round-trip?

Cheapflights users have booked flights from Sacramento to St. Louis round-trip from $130. Other airlines that can offer you cheap pricing are Spirit Airlines, from $252, and American Airlines, from $272. Frontier is 67% 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 $45. However, be on the lookout for offers from Delta and United Airlines, as they are both options that can get you from Sacramento to St. Louis for a low price.

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

What does SMF to STL mean?

These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Sacramento Intl Airport to Lambert-St Louis Airport flight would often be abbreviated as a SMF to STL flight.

Other flights to St. Louis

Alternative routes for Sacramento to St. Louis

See prices for flight routes from nearby airports that may be better suited for you.

Top 6 airlines flying from Sacramento to St. Louis

The chart below displays the airlines Cheapflights users traveling from Sacramento to St. Louis choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$140Average$286FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
FrontierCheapest$148Average$216FlexibilityNo cancel feeOn-time62%
Search Frontier flights
DeltaCheapest$247Average$346FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapest$249Average$488FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapest$273Average$530FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Alaska AirlinesCheapest$439Average$541FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights

Hourly flight availability from Sacramento to St. Louis

See what time of day planes typically take off from Sacramento to St. Louis
0%of flight departuresEarly morningMidnight to 6 am
100%of flight departuresMorning6 am to noon
0%of flight departuresAfternoonNoon to 6 pm
0%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from Sacramento to St. Louis

See how many times per day planes take to the skies headed from Sacramento to St. Louis
Sunday0daily flights
Monday0daily flights
Tuesday0daily flights
Wednesday0daily flights
Thursday0daily flights
Friday0daily flights
Saturday2daily flights

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How does Cheapflights help users find flights from Sacramento to St. Louis?

Cheapflights makes it easy to find Sacramento to St. Louis flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Sacramento to St. Louis?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Sacramento to St. Louis.

Can Cheapflights find flights from Sacramento to St. Louis with no change fees?

Yes, we can. To see specific flights from Sacramento to St. Louis with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Sacramento to St. Louis become cheaper?

Yes! Start tracking prices for Sacramento to St. Louis flights today and get alerted whenever prices for these flights change. To access this feature, navigate to the search form above to perform a search, which will then prompt you for a valid email address to use the tool.

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