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$98+ 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 8/27. Fares are subject to change and may not be available on all flights or dates of travel.
STL — LAX
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
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 July 29, 2025.

Round-trip from

$193
(FlightHub)

One-way from

$98
(Cheapflightsfares)

Popular in

March

Cheapest in

September

Average price

$395

Good round-trip deal

$220 or less

Good one-way deal

$174 or less
From Lambert-St Louis to California
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One-way flight from Lambert-St Louis to California
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Highest demand for flights based on searches. 4% potential increase in price ($18 potential increase over avg. RT price).
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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 July 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 July 29, 2025.

This FlightHub deal was found by Cheapflights users on 7/27. 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 9/412:05 pmSTL - LAX
1 stop13h 10mSpirit Airlines
Sat 9/205:30 amLAX - STL
1 stop27h 20mSpirit Airlines
Deal found 7/27$193
This CheapOair deal was found by Cheapflights users on 7/29. 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 9/412:05 pmSTL - LAX
1 stop13h 10mMultiple Airlines
Sun 9/78:03 pmLAX - STL
1 stop15h 50mMultiple Airlines
Deal found 7/29$196
This FlightHub deal was found by Cheapflights users on 7/29. 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 11/77:52 pmSTL - LAS
1 stop19h 16mFrontier
Sun 11/98:09 amLAS - STL
Nonstop3h 25mFrontier
Deal found 7/29$196
This FlightHub deal was found by Cheapflights users on 7/27. 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.
Tue 10/1410:35 amSTL - LAS
1 stop12h 33mMultiple Airlines
Fri 10/242:47 pmLAS - STL
Nonstop3h 25mMultiple Airlines
Deal found 7/27$201
This FlightHub deal was found by Cheapflights users on 7/27. 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 8/292:30 pmSTL - LAS
1 stop24h 01mSpirit Airlines
Sat 8/3010:43 pmLAS - STL
1 stop12h 49mSpirit Airlines
Deal found 7/27$207
This Cheapflightsfares deal was found by Cheapflights users on 7/28. 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.
Wed 8/207:54 pmSTL - ONT
1 stop5h 56mFrontier
Mon 8/2512:59 amONT - STL
1 stop6h 12mFrontier
Deal found 7/28$214
This Cheapflightsfares deal was found by Cheapflights users on 7/28. 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 9/57:55 pmSTL - SAN
1 stop5h 58mFrontier
Mon 9/812:33 pmSAN - STL
1 stop6h 11mFrontier
Deal found 7/28$215
This Frontier deal was found by Cheapflights users on 7/27. 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.
Tue 9/307:55 pmSTL - LAX
1 stop6h 32mFrontier
Sat 10/119:31 pmLAX - STL
1 stop10h 36mFrontier
Deal found 7/27$218
This Mytrip deal was found by Cheapflights users on 7/29. 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.
Wed 9/177:55 pmSTL - SNA
1 stop17h 12mFrontier
Tue 9/3012:58 pmSNA - STL
1 stop18h 08mFrontier
Deal found 7/29$227
This FlightHub deal was found by Cheapflights users on 7/27. 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 8/312:30 pmSTL - SNA
1 stop22h 59mSpirit Airlines
Wed 9/312:24 pmSNA - STL
1 stop20h 26mSpirit Airlines
Deal found 7/27$229
This FlightHub deal was found by Cheapflights users on 7/27. 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.
Sat 10/114:35 pmSTL - RNO
1 stop27h 59mFrontier
Mon 10/1312:01 pmRNO - STL
1 stop19h 06mFrontier
Deal found 7/27$235
This FlightHub deal was found by Cheapflights users on 7/27. 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.
Wed 9/107:55 pmSTL - SMF
1 stop17h 26mFrontier
Sun 9/1412:06 pmSMF - STL
1 stop19h 00mFrontier
Deal found 7/27$245

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 July 29, 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. LouisLos Angeles

STL - LAX

STLLAX

Lambert-St Louis

Thu 9/4

12:05 pm-11:15 pm

1 stop13h 10m

Los Angeles

Sat 9/20

5:30 am-10:50 am

1 stop27h 20m

$193

St. LouisLos Angeles

STL - LAX

STLLAX

Lambert-St Louis

Thu 9/4

12:05 pm-11:15 pm

1 stop13h 10m

Los Angeles

Sun 9/7

8:03 pm-1:53 pm

1 stop15h 50m

$196

St. LouisLas Vegas

STL - LAS

STLLAS

Lambert-St Louis

Fri 11/7

7:52 pm-3:46 pm

1 stop21h 54m

Las Vegas Harry Reid Intl

Sun 11/9

8:09 am-1:34 pm

Nonstop3h 25m

$196

St. LouisLas Vegas

STL - LAS

STLLAS

Lambert-St Louis

Tue 10/14

10:35 am-9:08 pm

1 stop12h 33m

Las Vegas Harry Reid Intl

Fri 10/24

2:47 pm-8:12 pm

Nonstop3h 25m

$201

St. LouisOntario

STL - ONT

STLONT

Lambert-St Louis

Tue 11/4

7:52 pm-11:50 pm

1 stop5h 58m

Ontario

Fri 11/7

12:59 am-9:07 am

1 stop6h 08m

$205

St. LouisLas Vegas

STL - LAS

STLLAS

Lambert-St Louis

Fri 8/29

2:30 pm-12:31 pm

1 stop24h 01m

Las Vegas Harry Reid Intl

Sat 8/30

10:43 pm-1:32 pm

1 stop12h 49m

$207

St. LouisSan Diego

STL - SAN

STLSAN

Lambert-St Louis

Fri 9/5

7:55 pm-11:53 pm

1 stop5h 58m

San Diego

Mon 9/8

12:33 pm-8:44 pm

1 stop6h 11m

$215

St. LouisLos Angeles

STL - LAX

STLLAX

Lambert-St Louis

Tue 9/30

7:55 pm-12:27 am

1 stop6h 32m

Los Angeles

Sat 10/11

9:31 pm-10:07 am

1 stop10h 36m

$218

St. LouisSanta Ana

STL - SNA

STLSNA

Lambert-St Louis

Wed 9/17

7:55 pm-11:07 am

1 stop17h 12m

Santa Ana J. Wayne/Orange Cnty

Tue 9/30

12:58 pm-9:06 am

1 stop18h 08m

$227

St. LouisSanta Ana

STL - SNA

STLSNA

Lambert-St Louis

Sun 8/31

2:30 pm-11:29 am

1 stop22h 59m

Santa Ana J. Wayne/Orange Cnty

Wed 9/3

12:24 pm-10:50 am

1 stop20h 26m

$229

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

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 March is currently the most expensive (average of $326). 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 July 29, 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 July 29, 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 (6 on average).

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 July 29, 2025.
Read through reviews of airlines operating flights from St. Louis to California, such as Alaska Airlines, Southwest, and Delta. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Comfort

7.8

Food

7.1

Boarding

8.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Comfort

7.8

Food

7.1

Boarding

8.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Southwest
8.0
Very good
4,238 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Comfort

7.8

Food

7.1

Boarding

8.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,977 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Comfort

7.8

Food

7.1

Boarding

8.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Hawaiian Airlines
7.8
Good
2,605 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Comfort

7.8

Food

7.1

Boarding

8.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,893 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Comfort

7.8

Food

7.1

Boarding

8.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

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 12 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 $98. Users have also found prices from $99 and $115 on Spirit Airlines and American Airlines, 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: American Airlines (82%), Alaska Airlines (82%), SkyWest Airlines( 80%).

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

    On average you can expect to pay $714 for a flight from St. Louis to California. The cheapest flight overall is $147 while the most popular route, (Lambert-St Louis - Las Vegas Harry Reid Intl) is currently priced at $162.

  • 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 $326). 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 July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$56Average$173FlexibilityNo cancel feeOn-time65%
FrontierCheapest$94Average$208FlexibilityNo cancel feeOn-time62%
DeltaCheapest$181Average$357FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$216Average$366FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$216Average$408FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$256Average$447FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$296Average$547FlexibilityNo cancel feeOn-time75%

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