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$61+ 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 4/28. Fares are subject to change and may not be available on all flights or dates of travel.
STL — LAX
Mar 31 — Apr 71
Mon 3/31
Mon 4/7
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 March 26, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$122
(CheapOair)

One-way from

$61
(Frontier)

Popular in

March

Cheapest in

September

Average price

$475

Good round-trip deal

$409 or less

Good one-way deal

$183 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. 5% potential increase in price ($24 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 26, 2025.

This CheapOair deal was found by Cheapflights users on 3/25. 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.
Mon 4/76:38 pmSTL - LAS
Nonstop3h 52mFrontier
Fri 4/1112:22 pmLAS - STL
Nonstop3h 21mFrontier
Deal found 3/25$122
This Priceline deal was found by Cheapflights users on 3/25. 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.
Mon 5/59:55 pmSTL - LAS
Nonstop3h 46mMultiple Airlines
Fri 5/99:24 pmLAS - STL
1 stop9h 51mMultiple Airlines
Deal found 3/25$162
This Cheapflightsfares deal was found by Cheapflights users on 3/25. 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.
Thu 5/16:10 pmSTL - LAS
1 stop8h 49mSpirit Airlines
Wed 5/79:24 pmLAS - STL
1 stop9h 51mSpirit Airlines
Deal found 3/25$224
This American Airlines deal was found by Cheapflights users on 3/25. 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 4/237:04 amSTL - SJC
1 stop8h 25mAmerican Airlines
Wed 4/302:19 pmSJC - STL
1 stop6h 09mAmerican Airlines
Deal found 3/25$227
This American Airlines deal was found by Cheapflights users on 3/23. 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.
Mon 6/25:00 amSTL - LAS
1 stop5h 59mAmerican Airlines
Tue 6/312:59 amLAS - STL
1 stop6h 55mAmerican Airlines
Deal found 3/23$227
This American Airlines deal was found by Cheapflights users on 3/25. 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.
Fri 7/49:23 amSTL - SMF
1 stop6h 48mAmerican Airlines
Wed 7/305:28 amSMF - STL
1 stop8h 34mAmerican Airlines
Deal found 3/25$247
This Delta deal was found by Cheapflights users on 3/25. 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.
Thu 9/256:30 amSTL - SJC
1 stop7h 32mDelta
Tue 9/3010:10 amSJC - STL
1 stop5h 53mDelta
Deal found 3/25$257
This Delta deal was found by Cheapflights users on 3/25. 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.
Thu 5/82:15 pmSTL - SMF
1 stop9h 47mDelta
Sun 5/115:30 amSMF - STL
1 stop6h 04mDelta
Deal found 3/25$257
This United Airlines deal was found by Cheapflights users on 3/25. 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 4/2211:00 amSTL - SAN
1 stop7h 27mUnited Airlines
Tue 4/2910:16 amSAN - STL
2 stops9h 34mUnited Airlines
Deal found 3/25$262
This Sun Country Air deal was found by Cheapflights users on 3/24. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/235:00 pmSTL - LAX
1 stop7h 49mSun Country Air
Fri 5/3011:59 pmLAX - STL
1 stop12h 55mSun Country Air
Deal found 3/24$265
This Sun Country Air deal was found by Cheapflights users on 3/25. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/235:00 pmSTL - SFO
1 stop7h 58mSun Country Air
Fri 5/3011:59 pmSFO - STL
1 stop12h 55mSun Country Air
Deal found 3/25$265
This American Airlines deal was found by Cheapflights users on 3/24. 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.
Fri 4/257:33 amSTL - SAN
1 stop6h 28mAmerican Airlines
Fri 5/23:04 pmSAN - STL
1 stop6h 29mAmerican Airlines
Deal found 3/24$265

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 March 26, 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

Mon 4/7

6:38 pm-8:30 pm

Nonstop3h 52m

Las Vegas Harry Reid Intl

Thu 4/17

7:00 am-12:16 pm

Nonstop3h 16m

$122

St. LouisLas Vegas

STL - LAS

STLLAS

Lambert-St Louis

Mon 5/5

9:55 pm-11:41 pm

Nonstop3h 46m

Las Vegas Harry Reid Intl

Fri 5/9

9:24 pm-9:15 am

1 stop9h 51m

$162

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

Wed 5/7

9:24 pm-9:15 am

1 stop9h 51m

$224

St. LouisLas Vegas

STL - LAS

STLLAS

Lambert-St Louis

Mon 6/2

5:00 am-8:59 am

1 stop5h 59m

Las Vegas Harry Reid Intl

Tue 6/3

12:59 am-9:54 am

1 stop6h 55m

$227

St. LouisSacramento

STL - SMF

STLSMF

Lambert-St Louis

Fri 7/4

9:23 am-2:11 pm

1 stop6h 48m

Sacramento Intl

Wed 7/30

5:28 am-4:02 pm

1 stop8h 34m

$247

St. LouisSan Jose

STL - SJC

STLSJC

Lambert-St Louis

Wed 4/9

6:00 am-11:39 am

1 stop7h 39m

San Jose

Mon 4/14

1:05 pm-11:36 pm

1 stop8h 31m

$257

St. LouisSacramento

STL - SMF

STLSMF

Lambert-St Louis

Thu 5/8

2:15 pm-10:02 pm

1 stop9h 47m

Sacramento Intl

Sun 5/11

5:30 am-1:34 pm

1 stop6h 04m

$257

St. LouisSan Diego

STL - SAN

STLSAN

Lambert-St Louis

Tue 4/22

11:00 am-4:27 pm

1 stop7h 27m

San Diego

Tue 4/29

10:16 am-9:50 pm

2 stops9h 34m

$262

St. LouisLos Angeles

STL - LAX

STLLAX

Lambert-St Louis

Fri 5/23

5:00 pm-10:49 pm

1 stop7h 49m

Los Angeles

Fri 5/30

11:59 pm-2:54 pm

1 stop12h 55m

$265

St. LouisSan Francisco

STL - SFO

STLSFO

Lambert-St Louis

Fri 5/23

5:00 pm-10:58 pm

1 stop7h 58m

San Francisco

Fri 5/30

11:59 pm-2:54 pm

1 stop12h 55m

$265

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/25

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 $330). 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 March 26, 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 March 26, 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
4,273 reviews

Entertainment

7.6

Crew

8.6

Overall

8.1

Boarding

8.2

Comfort

8.1

Food

7.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.1
Very good
4,273 reviews
Southwest
8.1
Very good
4,273 reviews

Entertainment

7.6

Crew

8.6

Overall

8.1

Boarding

8.2

Comfort

8.1

Food

7.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Alaska Airlines
8.0
Very good
9,789 reviews
Southwest
8.1
Very good
4,273 reviews

Entertainment

7.6

Crew

8.6

Overall

8.1

Boarding

8.2

Comfort

8.1

Food

7.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Delta
8.0
Very good
7,891 reviews
Southwest
8.1
Very good
4,273 reviews

Entertainment

7.6

Crew

8.6

Overall

8.1

Boarding

8.2

Comfort

8.1

Food

7.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Hawaiian Airlines
7.9
Good
2,331 reviews
Southwest
8.1
Very good
4,273 reviews

Entertainment

7.6

Crew

8.6

Overall

8.1

Boarding

8.2

Comfort

8.1

Food

7.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
United Airlines
7.4
Good
8,608 reviews
Southwest
8.1
Very good
4,273 reviews

Entertainment

7.6

Crew

8.6

Overall

8.1

Boarding

8.2

Comfort

8.1

Food

7.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

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 $61. Users have also found prices from $94 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 - San Francisco or Lambert-St Louis - Los Angeles, 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 (87%), Qantas Airways( 87%).

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

    On average you can expect to pay $520 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 $170.

  • 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 $330). 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 March 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$78Average$211FlexibilityNo cancel feeOn-time65%
FrontierCheapest$94Average$193FlexibilityNo cancel feeOn-time62%
DeltaCheapest$181Average$357FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$216Average$380FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$224Average$426FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$261Average$455FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$295Average$487FlexibilityNo cancel feeOn-time75%
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