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$49+ 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 4/25. Fares are subject to change and may not be available on all flights or dates of travel.
STL — LAX
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$110
(Frontier)

One-way from

$49
(Frontier)

Popular in

March

Cheapest in

September

Average price

$415

Good round-trip deal

$327 or less

Good one-way deal

$166 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
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One-way flight from Lambert-St Louis to California
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($11 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in February 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 February 20, 2025.

This Frontier deal was found by Cheapflights users on 2/19. 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 5/84:07 pmSTL - ONT
1 stop9h 52mFrontier
Mon 5/1210:52 amONT - STL
1 stop8h 13mFrontier
Deal found 2/19$110
This Cheapflightsfares deal was found by Cheapflights users on 2/20. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/211:08 pmSTL - LAS
Nonstop3h 49mFrontier
Fri 3/712:37 pmLAS - STL
Nonstop3h 23mFrontier
Deal found 2/20$125
This CheapOair deal was found by Cheapflights users on 2/19. 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.
Tue 3/46:26 pmSTL - LAX
1 stop17h 14mFrontier
Mon 3/178:18 pmLAX - STL
1 stop25h 31mFrontier
Deal found 2/19$163
This FlightHub deal was found by Cheapflights users on 2/20. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/156:11 pmSTL - LAS
1 stop8h 48mMultiple Airlines
Sat 4/1912:22 pmLAS - STL
Nonstop3h 21mMultiple Airlines
Deal found 2/20$175
This CheapOair deal was found by Cheapflights users on 2/18. 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 5/89:55 pmSTL - SMF
1 stop16h 33mFrontier
Sun 5/1111:56 amSMF - STL
1 stop19h 13mFrontier
Deal found 2/18$180
This Mytrip deal was found by Cheapflights users on 2/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/46:26 pmSTL - SAN
1 stop26h 52mFrontier
Fri 3/76:25 amSAN - STL
1 stop24h 51mFrontier
Deal found 2/20$183
This CheapOair deal was found by Cheapflights users on 2/20. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/36:47 pmSTL - LAX
1 stop17h 11mMultiple Airlines
Sun 4/136:30 amLAX - STL
1 stop24h 36mMultiple Airlines
Deal found 2/20$200
This Mytrip deal was found by Cheapflights users on 2/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/106:11 pmSTL - LAS
1 stop8h 48mSpirit Airlines
Mon 4/1410:15 pmLAS - STL
1 stop17h 01mSpirit Airlines
Deal found 2/20$216
This American Airlines deal was found by Cheapflights users on 2/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/267:02 amSTL - BUR
1 stop6h 36mAmerican Airlines
Thu 4/34:30 pmBUR - STL
1 stop5h 28mAmerican Airlines
Deal found 2/18$238
This Mytrip deal was found by Cheapflights users on 2/19. 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.
Sun 4/66:35 amSTL - SFO
1 stop12h 40mMultiple Airlines
Sun 4/136:00 amSFO - STL
1 stop25h 06mMultiple Airlines
Deal found 2/19$239
This CheapOair deal was found by Cheapflights users on 2/19. 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 3/66:45 pmSTL - SFO
1 stop29h 14mFrontier
Sun 3/98:10 pmSFO - STL
1 stop11h 06mFrontier
Deal found 2/19$240
This American Airlines deal was found by Cheapflights users on 2/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/295:10 amSTL - SMF
1 stop7h 10mAmerican Airlines
Fri 4/412:11 pmSMF - STL
1 stop9h 05mAmerican Airlines
Deal found 2/19$249

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 February 20, 2025.

Fly from

St. Louis

Fly to

California

Route

Depart

Return

Price

St. LouisOntario

STL - ONT

STLONT

Lambert-St Louis

Sat 5/3

6:53 pm-11:59 pm

1 stop7h 06m

Ontario

Tue 5/6

12:59 am-9:09 am

1 stop6h 10m

$110

St. LouisLas Vegas

STL - LAS

STLLAS

Lambert-St Louis

Sun 3/2

11:08 pm-12:57 am

Nonstop3h 49m

Las Vegas Harry Reid Intl

Fri 3/7

12:37 pm-6:00 pm

Nonstop3h 23m

$125

St. LouisLos Angeles

STL - LAX

STLLAX

Lambert-St Louis

Tue 3/4

6:26 pm-9:40 am

1 stop17h 14m

Los Angeles

Mon 3/17

8:18 pm-11:49 pm

1 stop25h 31m

$163

St. LouisLas Vegas

STL - LAS

STLLAS

Lambert-St Louis

Tue 4/15

6:11 pm-12:59 am

1 stop8h 48m

Las Vegas Harry Reid Intl

Sat 4/19

12:22 pm-5:43 pm

Nonstop3h 21m

$175

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

$180

St. LouisSan Diego

STL - SAN

STLSAN

Lambert-St Louis

Tue 3/4

6:26 pm-7:18 pm

1 stop26h 52m

San Diego

Fri 3/7

6:25 am-9:16 am

1 stop24h 51m

$183

St. LouisLos Angeles

STL - LAX

STLLAX

Lambert-St Louis

Thu 4/3

6:47 pm-9:58 am

1 stop17h 11m

Los Angeles

Sun 4/13

6:30 am-9:06 am

1 stop24h 36m

$200

St. LouisLas Vegas

STL - LAS

STLLAS

Lambert-St Louis

Thu 4/10

6:11 pm-12:59 am

1 stop8h 48m

Las Vegas Harry Reid Intl

Mon 4/14

10:15 pm-5:16 pm

1 stop17h 01m

$216

St. LouisBurbank

STL - BUR

STLBUR

Lambert-St Louis

Wed 3/26

7:02 am-11:38 am

1 stop6h 36m

Burbank Bob Hope

Thu 4/3

4:30 pm-11:58 pm

1 stop5h 28m

$238

St. LouisSan Francisco

STL - SFO

STLSFO

Lambert-St Louis

Sun 4/6

6:35 am-5:15 pm

1 stop12h 40m

San Francisco

Sun 4/13

6:00 am-9:06 am

1 stop25h 06m

$239

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 60 results
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2
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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. Data last updated February 20, 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 February 20, 2025.
Read reviews from past customers who have flown Southwest, Alaska Airlines and Delta from St. Louis to California. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,411 reviews

Comfort

8.1

Food

7.1

Overall

8.1

Entertainment

7.6

Boarding

8.2

Crew

8.7

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Southwest
8.1
Very good
4,411 reviews
Southwest
8.1
Very good
4,411 reviews

Comfort

8.1

Food

7.1

Overall

8.1

Entertainment

7.6

Boarding

8.2

Crew

8.7

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Alaska Airlines
8.0
Very good
9,697 reviews
Southwest
8.1
Very good
4,411 reviews

Comfort

8.1

Food

7.1

Overall

8.1

Entertainment

7.6

Boarding

8.2

Crew

8.7

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Delta
8.0
Very good
8,219 reviews
Southwest
8.1
Very good
4,411 reviews

Comfort

8.1

Food

7.1

Overall

8.1

Entertainment

7.6

Boarding

8.2

Crew

8.7

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Hawaiian Airlines
7.9
Good
2,317 reviews
Southwest
8.1
Very good
4,411 reviews

Comfort

8.1

Food

7.1

Overall

8.1

Entertainment

7.6

Boarding

8.2

Crew

8.7

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

United Airlines
7.4
Good
8,765 reviews
Southwest
8.1
Very good
4,411 reviews

Comfort

8.1

Food

7.1

Overall

8.1

Entertainment

7.6

Boarding

8.2

Crew

8.7

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

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 14 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 $49. Users have also found prices from $96 and $109 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: Qatar Airways (95%), Japan Airlines (90%), Alaska Airlines( 90%).

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

    On average you can expect to pay $1,418 for a flight from St. Louis to California. The cheapest flight overall is $163 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 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.

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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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$78Average$211FlexibilityNo cancel feeOn-time65%
FrontierCheapest$94Average$194FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$216Average$388FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$224Average$439FlexibilityNo cancel feeOn-time69%
DeltaCheapest$235Average$366FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$261Average$456FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$296Average$562FlexibilityNo cancel feeOn-time75%
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