Cheap flights from St. Louis to San Francisco from $109

The month of July is, on average, the cheapest month to fly to Sacramento from St. Louis, with most prices found around $316. If you are unable to visit Sacramento during the month of July, then departing from St. Louis during the month February is also very affordable. Most momondo users find prices during this month for around $325.

The cheapest day to depart from St. Louis to Sacramento is on a Saturday when prices can be found for as low as $427. Flights from St. Louis to Sacramento on a Sunday will generally be more expensive and average around $692. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

According to our data, the cheapest time of day to fly to Sacramento is in the morning. momondo users have found flights departing from St. Louis to Sacramento in the morning for as low as $541. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Try not to purchase tickets at noon because they tend to be around $745. Of course, these prices can vary depending on the time of year and what airport you fly to.

Fly from Lambert-St Louis to Sacramento Intl for the best Lambert-St Louis - Sacramento Intl flight prices

You are more likely to see cheaper flights to Sacramento from St. Louis when booking weeks ahead of your departure date. In general, you can expect to find flights to Sacramento for around $428 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sacramento from St. Louis for as low as $118 on momondo.

There is only 1 cabin class available to choose from on St. Louis to Sacramento flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

You could potentially save up to 1% on your flight if you consider stops on a St. Louis to Sacramento flight.

As of August 2026, prices for St. Louis to Sacramento flights are approximately 345% more expensive when compared to flights at the same time last year.

Alaska Airlines and Delta are the most popular carriers operating from Lambert-St Louis to Sacramento Intl

Southwest, United Airlines and Frontier are the top three most popular airlines that fly to Sacramento from St. Louis according to our data. Southwest is the first choice among our users, with 41% of people opting to fly with this airline when traveling to Sacramento. Keep in mind that there are 5 different airlines that fly to Sacramento on a routine basis, so you have a few additional options to choose from.

Salt Lake City (SLC) was the most common stop: 50% of momondo users choosing 1-stop flights on this route connected there.

Flights via Denver (DEN) offer the lowest average round-trip price of $341.

Flights connecting via Salt Lake City (SLC) have the shortest average one-way travel time: 6h 03m.

Salt Lake City (SLC) has the shortest average layover time for this route: 0h 55m.