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$67+ 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 5/16. Fares are subject to change and may not be available on all flights or dates of travel.
STL — LAX
Apr 20 — Apr 271
Sun 4/20
Sun 4/27
1 adult, Economy
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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 April 15, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$134
(Cheapflightsfares)

One-way from

$67
(Cheapflightsfares)

Popular in

March

Cheapest in

September

Average price

$393

Good round-trip deal

$388 or less

Good one-way deal

$191 or less
Provider with most accurate pricing for Lambert-St Louis-Los Angeles flight deals.
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Provider most trusted by Cheapflights users for Lambert-St Louis-Los Angeles flights.
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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. 5% potential increase in price ($24 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from Lambert-St Louis to California.
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Price to beat on a one-way flight from Lambert-St Louis to California.
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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 April 15, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 4/14. 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.
Sun 5/119:55 pmSTL - LAS
Nonstop3h 46mFrontier
Thu 5/153:39 pmLAS - STL
Nonstop3h 26mFrontier
Deal found 4/14$134
This Justfly.com deal was found by Cheapflights users on 4/14. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/16:10 pmSTL - LAS
1 stop8h 49mMultiple Airlines
Fri 5/23:39 pmLAS - STL
Nonstop3h 26mMultiple Airlines
Deal found 4/14$153
This Frontier deal was found by Cheapflights users on 4/14. 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.
Sat 4/266:58 pmSTL - ONT
1 stop7h 01mFrontier
Tue 4/2912:59 amONT - STL
1 stop7h 02mFrontier
Deal found 4/14$178
This CheapOair deal was found by Cheapflights users on 4/14. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/236:58 pmSTL - BUR
1 stop18h 19mFrontier
Tue 4/2912:07 pmBUR - STL
1 stop19h 54mFrontier
Deal found 4/14$180
This Frontier deal was found by Cheapflights users on 4/14. 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.
Wed 4/306:58 pmSTL - SFO
1 stop7h 35mFrontier
Mon 5/511:02 amSFO - STL
1 stop8h 03mFrontier
Deal found 4/14$188
This CheapOair deal was found by Cheapflights users on 4/15. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/38:15 pmSTL - LAX
1 stop6h 15mFrontier
Mon 5/54:59 pmLAX - STL
1 stop29h 07mFrontier
Deal found 4/15$191
This CheapOair deal was found by Cheapflights users on 4/15. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/249:55 pmSTL - SNA
1 stop22h 53mFrontier
Tue 4/2912:20 pmSNA - STL
1 stop19h 41mFrontier
Deal found 4/15$191
This CheapOair deal was found by Cheapflights users on 4/13. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/249:55 pmSTL - SMF
1 stop22h 59mFrontier
Thu 5/81:18 pmSMF - STL
1 stop5h 47mFrontier
Deal found 4/13$200
This CheapOair deal was found by Cheapflights users on 4/14. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/19:55 pmSTL - SJC
1 stop22h 46mFrontier
Sun 5/412:20 pmSJC - STL
1 stop18h 49mFrontier
Deal found 4/14$200
This United Airlines deal was found by Cheapflights users on 4/14. 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.
Sat 5/244:32 pmSTL - SMF
1 stop8h 41mUnited Airlines
Sat 5/312:11 pmSMF - STL
1 stop6h 34mUnited Airlines
Deal found 4/14$242
This Southwest deal was found by Cheapflights users on 4/13. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/135:45 amSTL - SMF
1 stop6h 05mSouthwest
Tue 5/203:55 pmSMF - STL
1 stop5h 40mSouthwest
Deal found 4/13$247
This Expedia deal was found by Cheapflights users on 4/15. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/296:30 amSTL - SMF
1 stop7h 34mMultiple Airlines
Mon 5/51:18 pmSMF - STL
1 stop5h 47mMultiple Airlines
Deal found 4/15$252

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 April 15, 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

Sun 5/11

9:55 pm-11:41 pm

Nonstop3h 46m

Las Vegas Harry Reid Intl

Thu 5/15

3:39 pm-9:05 pm

Nonstop3h 26m

$134

St. LouisLas Vegas

STL - LAS

STLLAS

Lambert-St Louis

Thu 5/1

6:10 pm-12:59 am

1 stop8h 49m

Las Vegas Harry Reid Intl

Fri 5/2

3:39 pm-9:05 pm

Nonstop3h 26m

$153

St. LouisOntario

STL - ONT

STLONT

Lambert-St Louis

Sat 4/26

6:58 pm-11:59 pm

1 stop7h 01m

Ontario

Tue 4/29

12:59 am-10:01 am

1 stop7h 02m

$178

St. LouisBurbank

STL - BUR

STLBUR

Lambert-St Louis

Sat 4/26

6:58 pm-11:17 am

1 stop18h 19m

Burbank Bob Hope

Tue 4/29

12:07 pm-10:01 am

1 stop19h 54m

$180

St. LouisSan Francisco

STL - SFO

STLSFO

Lambert-St Louis

Wed 4/30

6:58 pm-12:33 am

1 stop7h 35m

San Francisco

Mon 5/5

11:02 am-9:05 pm

1 stop8h 03m

$188

St. LouisLos Angeles

STL - LAX

STLLAX

Lambert-St Louis

Wed 5/7

8:15 pm-9:52 am

1 stop15h 37m

Los Angeles

Fri 5/9

4:59 pm-12:06 am

1 stop29h 07m

$191

St. LouisSanta Ana

STL - SNA

STLSNA

Lambert-St Louis

Thu 4/24

9:55 pm-6:48 pm

1 stop22h 53m

Santa Ana J. Wayne/Orange Cnty

Tue 4/29

12:20 pm-10:01 am

1 stop19h 41m

$191

St. LouisSacramento

STL - SMF

STLSMF

Lambert-St Louis

Thu 4/24

9:55 pm-6:54 pm

1 stop22h 59m

Sacramento Intl

Thu 5/8

1:18 pm-9:05 pm

1 stop5h 47m

$200

St. LouisSacramento

STL - SMF

STLSMF

Lambert-St Louis

Sat 5/24

4:32 pm-11:13 pm

1 stop8h 41m

Sacramento Intl

Sat 5/31

2:11 pm-10:45 pm

1 stop6h 34m

$242

St. LouisSacramento

STL - SMF

STLSMF

Lambert-St Louis

Tue 5/13

5:45 am-9:50 am

1 stop6h 05m

Sacramento Intl

Tue 5/20

3:55 pm-11:35 pm

1 stop5h 40m

$247

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/14

Showing 1-10 of 60 results
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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 June is currently the most expensive (average of $328). 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 April 15, 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.

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 April 15, 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
9,876 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.1

Crew

8.5

Comfort

7.9

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Alaska Airlines
8.0
Very good
9,876 reviews
Alaska Airlines
8.0
Very good
9,876 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.1

Crew

8.5

Comfort

7.9

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Southwest
8.0
Very good
4,279 reviews
Alaska Airlines
8.0
Very good
9,876 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.1

Crew

8.5

Comfort

7.9

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Delta
8.0
Very good
7,917 reviews
Alaska Airlines
8.0
Very good
9,876 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.1

Crew

8.5

Comfort

7.9

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Hawaiian Airlines
7.9
Good
2,374 reviews
Alaska Airlines
8.0
Very good
9,876 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.1

Crew

8.5

Comfort

7.9

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
United Airlines
7.4
Good
8,658 reviews
Alaska Airlines
8.0
Very good
9,876 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.1

Crew

8.5

Comfort

7.9

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

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 13 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 $67. Users have also found prices from $94 and $119 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: Sun Country Air (100%), Japan Airlines (85%), Air Tahiti Nui( 85%).

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

    On average you can expect to pay $949 for a flight from St. Louis to California. The cheapest flight overall is $138 while the most popular route, (Lambert-St Louis - Las Vegas Harry Reid Intl) is currently priced at $153.

  • 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 June is currently the most expensive (average of $328). 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

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Alternative routes for St. Louis to California

See prices for flight routes from nearby airports that may be better suited for you.
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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 April 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$78Average$195FlexibilityNo cancel feeOn-time65%
FrontierCheapest$94Average$196FlexibilityNo cancel feeOn-time62%
DeltaCheapest$181Average$354FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$216Average$376FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$224Average$424FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$261Average$448FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$296Average$547FlexibilityNo cancel feeOn-time75%

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