HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
California

$71+ Cheap flights from St. Louis (STL) to California

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 8/16. Fares are subject to change and may not be available on all flights or dates of travel.
STL — LAX
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from St. Louis to California 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.

Cheap flight deals from St. Louis to California

Keep the following information in mind while searching for St. Louis to California flight deals. Data was last updated June 12, 2025.

Round-trip from

$163
(Cheapflightsfares)

One-way from

$71
(Kiwi.com)

Popular in

March

Cheapest in

September

Average price

$425

Good round-trip deal

$319 or less

Good one-way deal

$208 or less
From Lambert-St Louis to California
Search Deals
One-way flight from Lambert-St Louis to California
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($19 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
Search Deals
Price to beat on a round-trip flight from Lambert-St Louis to California.
Search Deals
Price to beat on a one-way flight from Lambert-St Louis to California.
Search Deals

Find flight deals from St. Louis to California

Cheapest flights from St. Louis to California
Explore the most affordable flight options available from St. Louis to California. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 6/12. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/228:44 amSTL - LAS
1 stop13h 22mSpirit Airlines
Thu 9/2510:55 pmLAS - STL
1 stop6h 54mSpirit Airlines
Deal found 6/12$163
This Kiwi.com deal was found by Cheapflights users on 6/9. 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 10/105:52 pmSTL - LAS
1 stop7h 44mFrontier
Sat 10/1112:59 amLAS - STL
1 stop6h 08mFrontier
Deal found 6/9$171
This FlightHub deal was found by Cheapflights users on 6/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/228:44 amSTL - LAS
1 stop13h 22mMultiple Airlines
Wed 9/2412:59 amLAS - STL
1 stop6h 08mMultiple Airlines
Deal found 6/10$185
This FlightHub deal was found by Cheapflights users on 6/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/272:36 pmSTL - LAX
1 stop9h 01mMultiple Airlines
Wed 7/3010:10 pmLAX - STL
1 stop9h 42mMultiple Airlines
Deal found 6/10$240
This Mytrip deal was found by Cheapflights users on 6/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/1010:47 amSTL - SAN
2 stops25h 08mSpirit Airlines
Thu 7/176:15 amSAN - STL
2 stops25h 37mSpirit Airlines
Deal found 6/12$240
This FlightHub deal was found by Cheapflights users on 6/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/158:44 amSTL - LAX
1 stop8h 52mSpirit Airlines
Sat 8/1611:51 amLAX - STL
1 stop17h 58mSpirit Airlines
Deal found 6/10$244
This Cheapflightsfares deal was found by Cheapflights users on 6/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/297:54 pmSTL - ONT
1 stop5h 56mFrontier
Sun 8/3112:59 amONT - STL
1 stop6h 12mFrontier
Deal found 6/11$248
This Frontier deal was found by Cheapflights users on 6/9. 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.
Fri 8/227:54 pmSTL - SAN
1 stop5h 58mFrontier
Mon 8/259:11 pmSAN - STL
1 stop10h 00mFrontier
Deal found 6/9$251
This Frontier deal was found by Cheapflights users on 6/10. 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.
Sun 8/102:36 pmSTL - LAX
1 stop9h 01mFrontier
Wed 8/207:00 pmLAX - STL
1 stop12h 18mFrontier
Deal found 6/10$260
This Frontier deal was found by Cheapflights users on 6/11. 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.
Thu 9/117:52 pmSTL - SFO
1 stop6h 22mFrontier
Mon 9/158:04 pmSFO - STL
1 stop11h 03mFrontier
Deal found 6/11$261
This FlightHub deal was found by Cheapflights users on 6/9. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/27:52 pmSTL - PSP
1 stop17h 18mFrontier
Sun 10/511:55 amPSP - STL
1 stop19h 12mFrontier
Deal found 6/9$270
This United Airlines deal was found by Cheapflights users on 6/10. 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 10/75:47 pmSTL - SFO
Nonstop4h 21mUnited Airlines
Tue 10/2110:45 amSFO - STL
Nonstop4h 00mUnited Airlines
Deal found 6/10$277

Cheapflights Fare Finder

Customize your flight search to find flights from St. Louis to California 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 June 12, 2025.
Use the filters below to find and compare flights from St. Louis to California that are best for you.

Fly from

St. Louis

Fly to

California

Route

Depart

Return

Price

St. LouisLas Vegas

STL - LAS

STLLAS

Lambert-St Louis

Wed 7/23

11:24 am-11:37 pm

1 stop14h 13m

Las Vegas Harry Reid Intl

Sat 7/26

12:20 am-9:52 am

1 stop7h 32m

$178

St. LouisLas Vegas

STL - LAS

STLLAS

Lambert-St Louis

Thu 7/3

2:27 pm-4:05 pm

Nonstop3h 38m

Las Vegas Harry Reid Intl

Fri 7/4

12:58 pm-10:15 am

1 stop19h 17m

$192

St. LouisLas Vegas

STL - LAS

STLLAS

Lambert-St Louis

Sun 6/22

8:44 pm-6:56 am

1 stop12h 12m

Las Vegas Harry Reid Intl

Thu 6/26

9:14 pm-10:33 am

1 stop11h 19m

$222

St. LouisLos Angeles

STL - LAX

STLLAX

Lambert-St Louis

Sun 7/27

2:36 pm-9:37 pm

1 stop9h 01m

Los Angeles

Wed 7/30

10:10 pm-9:52 am

1 stop9h 42m

$240

St. LouisSan Diego

STL - SAN

STLSAN

Lambert-St Louis

Thu 7/10

10:47 am-9:55 am

2 stops25h 08m

San Diego

Thu 7/17

6:15 am-9:52 am

2 stops25h 37m

$240

St. LouisLos Angeles

STL - LAX

STLLAX

Lambert-St Louis

Fri 8/15

8:44 am-3:36 pm

1 stop8h 52m

Los Angeles

Sat 8/16

11:51 am-7:49 am

1 stop17h 58m

$244

St. LouisOntario

STL - ONT

STLONT

Lambert-St Louis

Fri 8/29

7:54 pm-11:50 pm

1 stop5h 56m

Ontario

Sun 8/31

12:59 am-9:11 am

1 stop6h 12m

$248

St. LouisSan Diego

STL - SAN

STLSAN

Lambert-St Louis

Fri 8/22

7:54 pm-11:52 pm

1 stop5h 58m

San Diego

Mon 8/25

9:11 pm-9:11 am

1 stop10h 00m

$251

St. LouisLos Angeles

STL - LAX

STLLAX

Lambert-St Louis

Sun 8/10

2:36 pm-9:37 pm

1 stop9h 01m

Los Angeles

Wed 8/20

7:00 pm-9:18 am

1 stop12h 18m

$260

St. LouisSan Francisco

STL - SFO

STLSFO

Lambert-St Louis

Thu 8/28

7:54 pm-12:19 am

1 stop6h 25m

San Francisco

Tue 9/2

6:50 am-9:11 am

1 stop24h 21m

$265

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from St. Louis to California

Have a flexible travel schedule? Discover the best time to fly to California from St. Louis with our price prediction graph.
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 St. Louis to California

What is the cheapest month to book a flight from St. Louis to California?

Currently, January is the cheapest month in which you can book a flight from St. Louis to California (average of $246). Flying from St. Louis to California in March is currently the most expensive (average of $327). 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 STL to CA?

Find hourly flight availability from St. Louis to California. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

When flying from St. Louis to California, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from St. Louis to California

Explore weekly flight availability from St. Louis to California. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated June 12, 2025.

The most flights from STL to USCA are scheduled on a Monday (11 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (8 on average).

Rainfall in California by month

Plan your trip to California by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in California ranges from 0.0 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. July is typically the driest time to visit California when rainfall is around 0.0 in.

Temperature in California by month

Plan your trip to California by taking into account the average temperature totals by month.

If weather is an important factor for your trip to California, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 57.2 F).

Reviews of airlines servicing California

Get insights into the airlines that provide service to California. 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 California. Reviews last updated June 12, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest and Delta from St. Louis to California. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to California. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from St. Louis to California?

    For a flight from St. Louis to California, you will be flying from Lambert-St Louis. Lambert-St Louis (STL) is just 12.7 mi from the center of the city.

  • How popular is this St. Louis to California flight route?

    This flight path from Lambert-St Louis to California was viewed by 9 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • What are the cheapest airlines to fly from St. Louis to California one-way?

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as $71. Users have also found prices from $72 and $129 on Spirit Airlines and Southwest, respectively.

  • What are the most popular routes from St. Louis to California?

    While some choose either Lambert-St Louis - Los Angeles or Lambert-St Louis - San Francisco, Lambert-St Louis - Las Vegas Harry Reid Intl is the most popular route from St. Louis to California.

  • What are the most reliable airlines from St. Louis to California?

    Before booking your flight to California from St. Louis, check out the most reliable airlines to get you to your destination on time: Japan Airlines (84%), Air Tahiti Nui (84%), Malaysia Airlines( 84%).

  • What are the cheapest flights from St. Louis to California?

    On average you can expect to pay $1,795 for a flight from St. Louis to California. The cheapest flight overall is $160 while the most popular route, (Lambert-St Louis - Las Vegas Harry Reid Intl) is currently priced at $173.

  • Can I find deals for flights from St. Louis to California that include hotel bookings?

    Yes. In addition to deals on St. Louis to California flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to California?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to California.

  • Can I find deals for business class flights from St. Louis to California?

    Yes. Cheapflights offers flight deals from St. Louis to California by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from St. Louis to California?

    Currently, January is the cheapest month in which you can book a flight from St. Louis to California (average of $246). Flying from St. Louis to California in March is currently the most expensive (average of $327). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for St. Louis to California

See prices for flight routes from nearby airports that may be better suited for you.
St. Louis to Seattle flights
St. Louis to LaGuardia flights
Kansas City to Seattle flights
St. Louis to Las Vegas flights
St. Louis to Newark flights
St. Louis to Denver flights
Kansas City to O'Hare Intl flights
Kansas City to Boston flights
Kansas City to Newark flights
St. Louis to Boston flights
Kansas City to John F Kennedy Intl flights
St. Louis to John F Kennedy Intl flights
Kansas City to LaGuardia flights
Kansas City to Las Vegas flights
St. Louis to Miami flights
Kansas City to Denver flights
Kansas City to Hobby flights
Kansas City to Miami flights
St. Louis to Dallas/Fort Worth flights
St. Louis to Orlando flights
Kansas City to Orlando flights
Kansas City to Dulles Intl flights
Kansas City to San Francisco flights
St. Louis to Atlanta flights
St. Louis to Hobby flights
St. Louis to Los Angeles flights
Kansas City to George Bush Intcntl flights
Kansas City to Atlanta flights
St. Louis to O'Hare Intl flights
Kansas City to Dallas/Fort Worth flights
Kansas City to Los Angeles flights
Kansas City to Sky Harbor Intl flights
St. Louis to George Bush Intcntl flights
St. Louis to Dulles Intl flights
Kansas City to San Diego flights
St. Louis to Sky Harbor Intl flights
Kansas City to Midway flights
Kansas City to Baltimore flights
Kansas City to Portland flights
Kansas City to Fort Lauderdale flights
Kansas City to Tampa flights
St. Louis to San Francisco flights
Kansas City to Honolulu flights
Kansas City to Minneapolis flights
St. Louis to Minneapolis flights
St. Louis to Philadelphia flights
Kansas City to Reagan-National flights
St. Louis to Salt Lake City flights
St. Louis to Honolulu flights
Kansas City to Salt Lake City flights

Top 7 airlines flying from St. Louis to California

Discover the top 7 airlines that operate flights from St. Louis to California. 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$56Average$260FlexibilityNo cancel feeOn-time65%
FrontierCheapest$94Average$195FlexibilityNo cancel feeOn-time62%
DeltaCheapest$181Average$362FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$216Average$367FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$224Average$409FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$256Average$449FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$296Average$562FlexibilityNo cancel feeOn-time75%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.