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$53+ 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 2/22. Fares are subject to change and may not be available on all flights or dates of travel.
STL — LAX
Jan 27 — Feb 31
Mon 1/27
Mon 2/3
1 adult, Economy
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Cheap flight deals from St. Louis to California

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to California (USCA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 22, 2025.

Round-trip from

$110
(Frontier)

One-way from

$53
(Cheapflightsfares)

Good round-trip deal

$355 or less

Good one-way deal

$180 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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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 January 22, 2025.

This Frontier deal was found by Cheapflights users on 1/22. 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 2/57:09 pmSTL - ONT
1 stop6h 38mFrontier
Tue 2/1112:59 amONT - STL
1 stop6h 17mFrontier
Deal found 1/22$110
This CheapOair deal was found by Cheapflights users on 1/22. 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 2/2011:08 pmSTL - SNA
1 stop19h 41mFrontier
Tue 2/2512:30 pmSNA - STL
1 stop18h 46mFrontier
Deal found 1/22$120
This Cheapflightsfares deal was found by Cheapflights users on 1/21. 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.
Tue 2/186:26 pmSTL - LAS
Nonstop3h 41mFrontier
Fri 2/217:31 pmLAS - STL
1 stop11h 45mFrontier
Deal found 1/21$136
This Mytrip deal was found by Cheapflights users on 1/21. 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.
Fri 2/2111:08 pmSTL - LAX
1 stop16h 27mFrontier
Thu 2/278:09 pmLAX - STL
1 stop23h 59mFrontier
Deal found 1/21$139
This CheapOair deal was found by Cheapflights users on 1/22. 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 stop17h 40mFrontier
Sun 5/412:04 pmSJC - STL
1 stop19h 05mFrontier
Deal found 1/22$140
This FlightHub deal was found by Cheapflights users on 1/22. 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 5/89:55 pmSTL - SMF
1 stop16h 33mFrontier
Sun 5/1111:56 amSMF - STL
1 stop19h 13mFrontier
Deal found 1/22$160
This CheapOair deal was found by Cheapflights users on 1/22. 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 3/87:04 pmSTL - SAN
1 stop17h 44mFrontier
Thu 3/136:25 amSAN - STL
1 stop24h 51mFrontier
Deal found 1/22$174
This Priceline deal was found by Cheapflights users on 1/21. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/96:38 pmSTL - LAS
Nonstop3h 41mMultiple Airlines
Fri 3/1410:38 pmLAS - STL
1 stop8h 26mMultiple Airlines
Deal found 1/21$195
This Travelocity deal was found by Cheapflights users on 1/20. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/197:04 pmSTL - SAN
1 stop7h 16mMultiple Airlines
Wed 2/266:15 amSAN - STL
2 stops15h 44mMultiple Airlines
Deal found 1/20$222
This CheapOair deal was found by Cheapflights users on 1/22. 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 4/126:51 pmSTL - SFO
1 stop16h 11mFrontier
Tue 4/224:17 pmSFO - STL
1 stop15h 44mFrontier
Deal found 1/22$230
This Travelocity deal was found by Cheapflights users on 1/22. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/98:31 pmSTL - LAX
1 stop13h 07mMultiple Airlines
Wed 2/121:00 pmLAX - STL
1 stop8h 59mMultiple Airlines
Deal found 1/22$234
This United Airlines deal was found by Cheapflights users on 1/21. 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 2/44:36 pmSTL - SMF
1 stop8h 06mUnited Airlines
Sun 2/167:00 amSMF - STL
1 stop6h 40mUnited Airlines
Deal found 1/21$247

Find flights from St. Louis to California within your budget

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 January 22, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

St. LouisOntario

STL - ONT

STLONT

Lambert-St Louis

Wed 2/5

7:09 pm-11:47 pm

1 stop6h 38m

Ontario

Tue 2/11

12:59 am-9:16 am

1 stop6h 17m

$110

St. LouisSanta Ana

STL - SNA

STLSNA

Lambert-St Louis

Thu 2/20

11:08 pm-4:49 pm

1 stop19h 41m

Santa Ana J. Wayne/Orange Cnty

Tue 2/25

12:30 pm-9:16 am

1 stop18h 46m

$120

St. LouisLas Vegas

STL - LAS

STLLAS

Lambert-St Louis

Tue 2/18

6:26 pm-8:07 pm

Nonstop3h 41m

Las Vegas Harry Reid Intl

Fri 2/21

7:31 pm-9:16 am

1 stop11h 45m

$136

St. LouisLos Angeles

STL - LAX

STLLAX

Lambert-St Louis

Sat 2/1

7:09 pm-12:35 am

1 stop7h 26m

Los Angeles

Wed 2/5

9:30 pm-7:31 pm

1 stop20h 01m

$137

St. LouisSan Jose

STL - SJC

STLSJC

Lambert-St Louis

Thu 5/1

9:55 pm-1:35 pm

1 stop17h 40m

San Jose

Sun 5/4

12:04 pm-9:09 am

1 stop19h 05m

$140

St. LouisSacramento

STL - SMF

STLSMF

Lambert-St Louis

Thu 5/8

9:55 pm-12:28 pm

1 stop16h 33m

Sacramento Intl

Sun 5/11

11:56 am-9:09 am

1 stop19h 13m

$160

St. LouisSan Diego

STL - SAN

STLSAN

Lambert-St Louis

Sat 3/8

7:04 pm-10:48 am

1 stop17h 44m

San Diego

Thu 3/13

6:25 am-9:16 am

1 stop24h 51m

$174

St. LouisLas Vegas

STL - LAS

STLLAS

Lambert-St Louis

Sun 3/9

6:38 pm-8:19 pm

Nonstop3h 41m

Las Vegas Harry Reid Intl

Fri 3/14

10:38 pm-9:04 am

1 stop8h 26m

$195

St. LouisLos Angeles

STL - LAX

STLLAX

Lambert-St Louis

Sat 2/15

7:04 pm-12:25 am

1 stop7h 21m

Los Angeles

Wed 2/19

1:58 pm-11:59 pm

1 stop8h 01m

$208

St. LouisSan Diego

STL - SAN

STLSAN

Lambert-St Louis

Wed 2/19

7:04 pm-12:20 am

1 stop7h 16m

San Diego

Wed 2/26

6:15 am-11:59 pm

2 stops15h 44m

$222

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/22

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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.

Travel insights for flights from St. Louis to California

Get recent, data-driven insights about flights from St. Louis to California including ideal travel times, pricing trends, and more.

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 $344). 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.