Cheap flights from St. Louis to California from $61

The month of January is another great option to travel to California, with average flight prices from St. Louis averaging around $418.

The cheapest day to depart from St. Louis to California is on a Thursday. Travelers who choose to depart for California on a Thursday will often find tickets for as low as $509. Be sure to avoid booking your departure on a Tuesday as prices are generally higher than usual. According to our data, the average ticket price to California on Tuesday is $699.

The cheapest time of day to fly to California is at noon when flights can be purchased for as low as $418. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $593 on average. Flights to California from St. Louis in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

You are more likely to see cheaper flights to California from St. Louis when booking weeks ahead of your departure date. In general, you can expect to find flights to California for around $438 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to California from St. Louis for as low as $385 on momondo.

There are 4 cabin classes available to choose from on St. Louis to California flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Frontier, American Airlines, and Southwest are the most popular carriers operating from Lambert-St Louis to California

Southwest, American Airlines and United Airlines are the top three most popular airlines that fly to California from St. Louis according to our data. Southwest is the first choice among our users, with 47% of people opting to fly with this airline when traveling to California. Keep in mind that there are 7 different airlines that fly to California on a routine basis, so you have a few additional options to choose from.

9 flights are operational daily from St. Louis to California as of November 2026. The most popular departure time for this route is 6:00AM, with 79% of flights per day taking off at noon.

The number of flights available between St. Louis and California is 67 per week as of November 2026. The most frequent departure day is Wed, with 27% of weekly flights leaving on this day.