$153 Cheap Flights from St. Louis (STL) to Sacramento (SMF)

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Sacramento Intl. Airport (SMF)

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Cheap Flights from St. Louis to Sacramento (STL-SMF)

Prices were available within the past 7 days and start at $153 for one-way flights and $248 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Bargain Flight
Southwest Airlines
Alaska Airlines
Southwest Airlines
Bargain Flight
Hawaiian Airlines

Find the cheapest month to fly from St. Louis (STL) to Sacramento (SMF)

October is typically the cheapest month to fly

From $137 - $414 per traveler.

Graph displaying average flight prices per month

Alternative airports near Sacramento

Prices were available within the past 7 days. Prices and availability are subject to change.

Flights from St. Louis (STL) to Sacramento (SMF)
Origin airport
Lambert-St. Louis Intl.
Destination airport
Sacramento Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, Southwest Airlines, United
Roundtrip price
$248
Distance
1674 mi
Average flight time
4 hours 33 mins

St. Louis to Sacramento Flights

The cheapest times to fly from St. Louis to Sacramento

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from St. Louis to Sacramento are during the month of August. You can find some of the cheapest flights from St. Louis to Sacramento with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from St. Louis to Sacramento

Sunday is one of the best days to book for cheap flights from St. Louis to Sacramento: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from St. Louis to Sacramento

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from St. Louis to Sacramento in 2025. You can also book with separate airlines for your outbound and return journeys, from $153 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap St. Louis to Sacramento flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your St. Louis to Sacramento airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to Sacramento Intl. Airport (SMF) cost?
Cheap round-trip flights from Lambert-St. Louis Intl. Airport (STL) to Sacramento Intl. Airport (SMF) start from $337. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Southwest Airlines flight leaving STL on August 13 2025 and touching down at SMF. The price was last updated on July 23 2025 and has not changed since.
What is the cheapest month to fly from STL to SMF?
The cheapest flights from STL to SMF are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Lambert-St. Louis Intl. Airport (STL) to Sacramento Intl. Airport (SMF)?
When heading out of Lambert-St. Louis Intl. Airport (STL), you can take a direct flight to Sacramento Intl. Airport (SMF) with Southwest Airlines.
What is the cheapest airline that flies from STL to SMF?
At the moment, the cheapest carrier offering one-way flights from STL to SMF is Southwest Airlines. You can book a seat on this route from $169. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from STL on October 11 2025. Prices were last updated on July 23 2025 and have not changed since.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Sacramento Intl. Airport (SMF)?
On average, Lambert-St. Louis Intl. Airport (STL) offers 3 nonstop flights to Sacramento Intl. Airport (SMF) weekly. For more options, take advantage of Expedia's filters to discover flights with a layover. Squeeze in a quick visit to another city or just break up your journey.
What are the most popular departure times for flights from Lambert-St. Louis Intl. Airport (STL) to Sacramento Intl. Airport (SMF)?
The 5 PM departures from STL to SMF are typically the busiest. These flights can come with a higher price due to their popularity. If you want to save money, choose a less crowded time to fly.
What day of the week has the most flights from STL to SMF?
If you fly on a Friday, you'll get the widest range of choices for flights from Lambert-St. Louis Intl. Airport (STL) to Sacramento Intl. Airport (SMF).
What is the earliest flight from Lambert-St. Louis Intl. Airport (STL) to Sacramento Intl. Airport (SMF)?
The first flight of the day departing from Lambert-St. Louis Intl. Airport (STL) is at around 5:30PM UTC-6. Board this flight and you'll reach Sacramento Intl. Airport (SMF) at approximately 7:50PM UTC-8. The entire trip takes 4h 20m.
How long does it take to fly from Lambert-St. Louis Intl. Airport (STL) to Sacramento Intl. Airport (SMF)?
The average flight duration from STL to SMF is 4 hours and 20 minutes, covering a total distance of 1,700 mi.
What is the best time to fly from Lambert-St. Louis Intl. Airport (STL) to Sacramento Intl. Airport (SMF)?
Book a flight from Lambert-St. Louis Intl. Airport (STL) to Sacramento Intl. Airport (SMF) that takes off before 3 PM to reduce the risk of cancellations and delays. Departures later than this are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Sacramento from Lambert-St. Louis Intl. Airport (STL)?
Sacramento Intl. Airport (SMF) is the only airport in Sacramento with direct flights from Lambert-St. Louis Intl. Airport (STL). Consider the available options and find affordable fares on Expedia.
Is it cheaper to buy a plane ticket from Lambert-St. Louis Intl. Airport (STL) to Sacramento Intl. Airport (SMF) last-minute?
Last-minute bookings from STL to SMF are typically more expensive. For the best rates, start looking for flights well ahead of time. That being said, if you're flexible with your travel dates, you may find a cheap ticket right before your trip.
Is it cheaper to book a STL to SMF flight and hotel package?
You can save money by securing a STL to SMF flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one place. After selecting your preferred flights and accommodations, consider adding extras including tours, activities and car rentals.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Sacramento Intl. Airport (SMF)?
Typically, it's possible to reschedule or cancel your STL to SMF flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Check your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find further details on our Customer Service portal.

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