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$55+ 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
may. 6 — may. 131
mar. 5/6
mar. 5/13
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 mayo 1, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$147
(Cheapflightsfares)

One-way from

$55
(Cheapflightsfares)

Popular in

March

Cheapest in

September

Average price

$395

Good round-trip deal

$287 or less

Good one-way deal

$157 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
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Highest demand for flights based on searches. 5% potential increase in price ($21 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 May 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 mayo 1, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 4/30. 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.
lun. 5/129:55 pmSTL - LAS
Nonstop3h 46mFrontier
vie. 5/163:39 pmLAS - STL
Nonstop3h 26mFrontier
Deal found 4/30$147
This Frontier deal was found by Cheapflights users on 4/30. 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.
dom. 5/49:55 pmSTL - ONT
1 stop11h 29mFrontier
mar. 5/612:59 amONT - STL
1 stop7h 00mFrontier
Deal found 4/30$178
This Cheapflightsfares deal was found by Cheapflights users on 4/30. 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.
sáb. 5/3110:10 amSTL - LAS
1 stop14h 44mSpirit Airlines
sáb. 6/79:24 pmLAS - STL
1 stop9h 51mSpirit Airlines
Deal found 4/30$190
This CheapOair deal was found by Cheapflights users on 4/30. 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.
mié. 5/218:15 pmSTL - LAS
1 stop5h 44mMultiple Airlines
vie. 5/305:00 pmLAS - STL
1 stop14h 15mMultiple Airlines
Deal found 4/30$199
This Booking.com deal was found by Cheapflights users on 4/29. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 5/159:55 pmSTL - SMF
1 stop16h 33mFrontier
lun. 5/191:18 pmSMF - STL
1 stop5h 47mFrontier
Deal found 4/29$208
This CheapOair deal was found by Cheapflights users on 4/30. 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.
sáb. 5/245:35 pmSTL - SFO
1 stop18h 53mFrontier
sáb. 5/316:39 pmSFO - STL
1 stop17h 03mFrontier
Deal found 4/30$228
This American Airlines deal was found by Cheapflights users on 4/30. 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.
jue. 6/196:10 pmSTL - SMF
1 stop6h 10mAmerican Airlines
mar. 6/242:48 pmSMF - STL
1 stop7h 06mAmerican Airlines
Deal found 4/30$247
This Delta deal was found by Cheapflights users on 4/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 6/197:15 pmSTL - SMF
1 stop6h 42mDelta
mar. 6/2410:30 pmSMF - STL
1 stop7h 53mDelta
Deal found 4/30$257
This Delta deal was found by Cheapflights users on 4/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 6/113:42 pmSTL - SJC
1 stop9h 13mDelta
jue. 6/194:59 pmSJC - STL
1 stop5h 44mDelta
Deal found 4/30$257
This Delta deal was found by Cheapflights users on 4/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 6/195:30 pmSTL - SAN
1 stop7h 59mDelta
dom. 6/2210:30 pmSAN - STL
1 stop7h 53mDelta
Deal found 4/30$257
This Booking.com deal was found by Cheapflights users on 4/30. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 5/245:35 pmSTL - LAX
1 stop25h 41mFrontier
mar. 5/2711:46 amLAX - STL
1 stop20h 23mFrontier
Deal found 4/30$260
This CheapOair deal was found by Cheapflights users on 4/30. 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.
vie. 5/237:24 pmSTL - SNA
1 stop17h 47mFrontier
mar. 6/312:04 pmSNA - STL
1 stop20h 04mFrontier
Deal found 4/30$260

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 mayo 1, 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

lun. 5/12

9:55 pm-11:41 pm

Nonstop3h 46m

Las Vegas Harry Reid Intl

vie. 5/16

3:39 pm-9:05 pm

Nonstop3h 26m

$147

St. LouisOntario

STL - ONT

STLONT

Lambert-St Louis

lun. 5/12

9:55 pm-12:08 pm

1 stop16h 13m

Ontario

dom. 5/18

12:59 am-9:09 am

1 stop6h 10m

$188

St. LouisLas Vegas

STL - LAS

STLLAS

Lambert-St Louis

sáb. 5/31

10:10 am-10:54 pm

1 stop14h 44m

Las Vegas Harry Reid Intl

sáb. 6/7

9:24 pm-9:15 am

1 stop9h 51m

$190

St. LouisLas Vegas

STL - LAS

STLLAS

Lambert-St Louis

mié. 5/21

8:15 pm-11:59 pm

1 stop5h 44m

Las Vegas Harry Reid Intl

vie. 5/30

5:00 pm-9:15 am

1 stop14h 15m

$199

St. LouisSacramento

STL - SMF

STLSMF

Lambert-St Louis

jue. 5/15

9:55 pm-12:28 pm

1 stop16h 33m

Sacramento Intl

lun. 5/19

1:18 pm-9:05 pm

1 stop5h 47m

$208

St. LouisSan Francisco

STL - SFO

STLSFO

Lambert-St Louis

sáb. 5/24

5:35 pm-10:28 am

1 stop18h 53m

San Francisco

sáb. 5/31

6:39 pm-1:42 pm

1 stop17h 03m

$228

St. LouisSacramento

STL - SMF

STLSMF

Lambert-St Louis

jue. 6/19

6:10 pm-10:20 pm

1 stop6h 10m

Sacramento Intl

mar. 6/24

2:48 pm-11:54 pm

1 stop7h 06m

$247

St. LouisSacramento

STL - SMF

STLSMF

Lambert-St Louis

jue. 6/19

7:15 pm-11:57 pm

1 stop6h 42m

Sacramento Intl

mar. 6/24

10:30 pm-8:23 am

1 stop7h 53m

$257

St. LouisSan Jose

STL - SJC

STLSJC

Lambert-St Louis

mié. 6/11

3:42 pm-10:55 pm

1 stop9h 13m

San Jose

jue. 6/19

4:59 pm-12:43 am

1 stop5h 44m

$257

St. LouisSan Diego

STL - SAN

STLSAN

Lambert-St Louis

jue. 6/19

5:30 pm-11:29 pm

1 stop7h 59m

San Diego

dom. 6/22

10:30 pm-8:23 am

1 stop7h 53m

$257

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

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 $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 mayo 1, 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 mayo 1, 2025.

The most flights from STL to USCA are scheduled on a Wednesday (12 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (6 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 mayo 1, 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
9,968 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.1

Crew

8.5

Comfort

7.9

Food

7.1

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
9,968 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.1

Crew

8.5

Comfort

7.9

Food

7.1

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
4,294 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.1

Crew

8.5

Comfort

7.9

Food

7.1

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
7,934 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.1

Crew

8.5

Comfort

7.9

Food

7.1

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
2,408 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.1

Crew

8.5

Comfort

7.9

Food

7.1

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
8,696 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.1

Crew

8.5

Comfort

7.9

Food

7.1

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 10 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 $55. Users have also found prices from $94 and $118 on Spirit Airlines and Sun Country Air, 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 Diego, 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%), Southwest (86%), Cathay Pacific( 85%).

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

    On average you can expect to pay $1,340 for a flight from St. Louis to California. The cheapest flight overall is $152 while the most popular route, (Lambert-St Louis - Las Vegas Harry Reid Intl) is currently priced at $167.

  • 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

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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 mayo 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$78Average$197FlexibilityNo cancel feeOn-time65%
FrontierCheapest$94Average$198FlexibilityNo cancel feeOn-time62%
DeltaCheapest$181Average$357FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$216Average$375FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$224Average$424FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$256Average$449FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$296Average$518FlexibilityNo cancel feeOn-time75%

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