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$83+ Cheap flights from St. Louis to Los Angeles (STL - LAX)

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 5/17. Fares are subject to change and may not be available on all flights or dates of travel.
STL — LAX
Apr 16 — Apr 231
Wed 4/16
Wed 4/23
1 adult, Economy
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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Lambert-St Louis to Los Angeles are usually found in September or August, booked 77 days in advance, depart on a Wednesday or Thursday and return on a Tuesday

Cheap flight deals from St. Louis to Los Angeles

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Los Angeles (LAX). 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 April 11, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$270
(Booking.com)

One-way from

$83
(Cheapflightsfares)

Popular in

March

Cheapest in

September

Average price

$381

Good round-trip deal

$393 or less

Good one-way deal

$250 or less
Provider with most accurate pricing for Lambert-St Louis-Los Angeles flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Los Angeles flights.
Search Deals
From Lambert-St Louis to Los Angeles
Search Deals
One-way flight from Lambert-St Louis to Los Angeles
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($21 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals
Price to beat on a round-trip flight from Lambert-St Louis to Los Angeles.
Search Deals
Price to beat on a one-way flight from Lambert-St Louis to Los Angeles.
Search Deals

Find flight deals from St. Louis to Los Angeles

Cheapest flights from St. Louis to Los Angeles
Explore the most affordable flight options available from St. Louis to Los Angeles. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 11, 2025.

This Booking.com deal was found by Cheapflights users on 4/9. 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.
Sat 5/247:55 pmSTL - LAX
1 stop16h 07mFrontier
Tue 5/2711:46 amLAX - STL
1 stop20h 23mFrontier
Deal found 4/9$270
This Sun Country Air deal was found by Cheapflights users on 4/10. 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 5/233:30 pmSTL - LAX
1 stop20h 37mSun Country Air
Fri 5/3011:59 pmLAX - STL
1 stop12h 55mSun Country Air
Deal found 4/10$275
This CheapOair deal was found by Cheapflights users on 4/10. 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 5/2910:10 amSTL - LAX
1 stop9h 29mMultiple Airlines
Sun 6/13:48 pmLAX - STL
1 stop19h 54mMultiple Airlines
Deal found 4/10$288
This Mytrip deal was found by Cheapflights users on 4/10. 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 5/810:10 amSTL - LAX
1 stop9h 29mSpirit Airlines
Thu 5/1510:10 pmLAX - STL
2 stops33h 05mSpirit Airlines
Deal found 4/10$304
This Southwest deal was found by Cheapflights users on 4/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/116:35 amSTL - LAX
Nonstop4h 05mSouthwest
Tue 5/203:55 pmLAX - STL
Nonstop3h 40mSouthwest
Deal found 4/10$305
This American Airlines deal was found by Cheapflights users on 4/10. 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 5/76:52 amSTL - LAX
Nonstop4h 06mAmerican Airlines
Thu 5/155:29 pmLAX - STL
Nonstop3h 35mAmerican Airlines
Deal found 4/10$325
This Delta deal was found by Cheapflights users on 4/9. 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.
Sat 5/316:00 amSTL - LAX
1 stop7h 26mDelta
Wed 6/113:20 pmLAX - STL
1 stop6h 02mDelta
Deal found 4/9$332
This Alaska Airlines deal was found by Cheapflights users on 4/10. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/56:30 amSTL - LAX
1 stop8h 26mAlaska Airlines
Tue 5/1311:20 amLAX - STL
2 stops10h 39mAlaska Airlines
Deal found 4/10$420
This United Airlines deal was found by Cheapflights users on 4/10. 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.
Fri 5/99:40 amSTL - LAX
1 stop8h 58mUnited Airlines
Sat 5/1012:56 amLAX - STL
1 stop7h 00mUnited Airlines
Deal found 4/10$432

Cheapflights Fare Finder

Customize your flight search to find flights from St. Louis to Los Angeles 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 April 11, 2025.
Use the filters below to find and compare flights from St. Louis to Los Angeles that are best for you.

Fly from

St. Louis

Fly to

Los Angeles

Route

Depart

Return

Price

St. LouisLos Angeles

STL - LAX

STLLAX

Lambert-St Louis

Sat 5/24

7:55 pm-10:02 am

1 stop16h 07m

Los Angeles

Tue 5/27

11:46 am-10:09 am

1 stop20h 23m

$270

St. LouisLos Angeles

STL - LAX

STLLAX

Lambert-St Louis

Fri 5/23

3:30 pm-10:07 am

1 stop20h 37m

Los Angeles

Fri 5/30

11:59 pm-2:54 pm

1 stop12h 55m

$275

St. LouisLos Angeles

STL - LAX

STLLAX

Lambert-St Louis

Sat 5/10

10:10 am-6:51 am

2 stops22h 41m

Los Angeles

Sat 5/17

10:30 am-9:15 am

2 stops20h 45m

$287

St. LouisLos Angeles

STL - LAX

STLLAX

Lambert-St Louis

Thu 5/29

10:10 am-5:39 pm

1 stop9h 29m

Los Angeles

Sun 6/1

3:48 pm-1:42 pm

1 stop19h 54m

$288

St. LouisLos Angeles

STL - LAX

STLLAX

Lambert-St Louis

Sat 5/10

6:52 am-8:58 am

Nonstop4h 06m

Los Angeles

Wed 5/14

5:29 pm-11:04 pm

Nonstop3h 35m

$305

St. LouisLos Angeles

STL - LAX

STLLAX

Lambert-St Louis

Sat 5/24

3:45 pm-11:55 pm

1 stop10h 10m

Los Angeles

Tue 5/27

3:55 pm-9:35 pm

Nonstop3h 40m

$321

St. LouisLos Angeles

STL - LAX

STLLAX

Lambert-St Louis

Sat 5/31

6:00 am-11:26 am

1 stop7h 26m

Los Angeles

Tue 6/10

5:10 pm-12:43 am

1 stop5h 33m

$332

St. LouisLos Angeles

STL - LAX

STLLAX

Lambert-St Louis

Mon 5/5

6:30 am-12:56 pm

1 stop8h 26m

Los Angeles

Tue 5/13

11:20 am-11:59 pm

2 stops10h 39m

$420

St. LouisLos Angeles

STL - LAX

STLLAX

Lambert-St Louis

Wed 5/7

1:41 pm-8:28 pm

2 stops8h 47m

Los Angeles

Fri 5/9

11:59 pm-11:03 am

1 stop9h 04m

$437

St. LouisLos Angeles

STL - LAX

STLLAX

Lambert-St Louis

Sat 5/17

8:15 pm-12:30 am

1 stop6h 15m

$83

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/10

Showing 1-10 of 19 results
1
2

Compare providers for flights from St. Louis to Los Angeles

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Los Angeles in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*3 stars
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*2 stars
MytripPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on St. Louis-Los Angeles flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Los Angeles flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-Los Angeles flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on St. Louis-Los Angeles flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Los Angeles flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

The best insider tips for St. Louis to Los Angeles flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your St. Louis to Los Angeles trip
Airports
STL

Expect security screening at STL to take 5-10 minutes during off-peak times. Check real-time wait times online before heading to the airport.

Read more about STLby Taryn White
LAX

For ground transportation, look for green signs directing you to free shuttles to the LAX-it station for rideshares and taxis.

Read more about LAXby Ramsey Qubein
Our travel experts
Ramsey Qubein

Ramsey Qubein

Expert on LAX

Ramsey Qubein

Ramsey Qubein

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more
Taryn White

Taryn White

Expert on STL

Taryn White

Taryn White

Taryn White is a freelance travel writer, digital creator, and travel advisor who has visited nearly 100 countries and all 50 states. She’s familiar with many airports and enjoys beach hopping, boutique hotels, spa experiences, and exploring local culture. Her work has appeared in Travel + Leisure, Condé Nast Traveler, National Geographic, Smithsonian Magazine, AFAR, and more.

Read more

Best time to book a flight from St. Louis to Los Angeles

Have a flexible travel schedule? Discover the best time to fly to Los Angeles 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 Los Angeles

How far ahead should I book a flight from St. Louis to Los Angeles?

Use this chart to determine the optimal time to book a round-trip flight from St. Louis to Los Angeles. Price data was last updated on April 4, 2025.

The price you pay for your flight from St. Louis to Los Angeles may vary depending on when you book. For the best chance of a lower fare, look to book 77 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from St. Louis to Los Angeles?

Currently, January is the cheapest month in which you can book a flight from St. Louis to Los Angeles (average of $246). Flying from St. Louis to Los Angeles in June is currently the most expensive (average of $328). 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 LAX?

Find hourly flight availability from St. Louis to Los Angeles. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 11, 2025.

It’s optimal to fly from St. Louis to Los Angeles in the morning. By choosing this option you can save up to 24% on the cost of your flight, compared to a flight in the afternoon.

What is the cheapest day to fly from St. Louis to Los Angeles?

Use this chart to determine the cheapest time to fly round-trip from St. Louis to Los Angeles. Price data was last updated on March 30, 2025.

Travelers seeking maximum savings on their St. Louis to Los Angeles flight should consider departing on Wednesday at noon when fares are most often at their lowest. Monday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from St. Louis to Los Angeles

Explore weekly flight availability from St. Louis to Los Angeles. 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 April 11, 2025.

The most flights from STL to LAX are scheduled on a Tuesday (12 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (5 on average).

Rainfall in Los Angeles by month

Plan your trip to Los Angeles by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Los Angeles 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 Los Angeles when rainfall is around 0.0 in.

Temperature in Los Angeles by month

Plan your trip to Los Angeles by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Los Angeles, 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 Los Angeles

Get insights into the airlines that provide service to Los Angeles. 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 Los Angeles. Reviews last updated April 11, 2025.
To help decide which airline to fly from St. Louis to Los Angeles, see what other customers have to say about 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
9,851 reviews

Food

7.1

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Alaska Airlines
8.0
Very good
9,851 reviews
Alaska Airlines
8.0
Very good
9,851 reviews

Food

7.1

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Southwest
8.0
Very good
4,279 reviews
Alaska Airlines
8.0
Very good
9,851 reviews

Food

7.1

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Delta
8.0
Very good
7,911 reviews
Alaska Airlines
8.0
Very good
9,851 reviews

Food

7.1

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Hawaiian Airlines
7.9
Good
2,365 reviews
Alaska Airlines
8.0
Very good
9,851 reviews

Food

7.1

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
United Airlines
7.4
Good
8,636 reviews
Alaska Airlines
8.0
Very good
9,851 reviews

Food

7.1

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Los Angeles. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airports do I use to fly from St. Louis to Los Angeles?

    If you book a flight from St. Louis to Los Angeles, you will be flying from Lambert-St Louis to Los Angeles. Flights to Los Angeles (LAX) from Lambert-St Louis (STL) take 3h 55m for a nonstop flight. There are 9 flights from Lambert-St Louis to Los Angeles per day from 7 airlines.

  • How popular is this St. Louis to Los Angeles flight route?

    This flight path from Lambert-St Louis to Los Angeles was viewed by 15 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 flying from St. Louis to Los Angeles round-trip?

    Frontier, at $270, was found to be the cheapest airline from St. Louis to Los Angeles.Alternate airlines to your destination round-trip include Sun Country Air and Spirit Airlines. Users have found that Frontier is 31% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from St. Louis to Los Angeles one-way?

    The cheapest airlines for a one-way flight from St. Louis to Los Angeles are Frontier ($83), Spirit Airlines ($128), and Sun Country Air ($138).

  • What are the most reliable airlines from St. Louis to Los Angeles?

    Before booking your flight to Los Angeles from St. Louis, check out the most reliable airlines to get you to your destination on time: Sun Country Air (100%), Japan Airlines (85%), Air Tahiti Nui( 85%).

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

    Looking at all options, your cheapest flight can be booked for $138. While the most popular route (Lambert-St Louis - Los Angeles) can be booked for $200 on average our data indicates $945 when flying from St. Louis to Los Angeles.

  • Can I find deals for flights from St. Louis to Los Angeles that include hotel bookings?

    Yes. In addition to deals on St. Louis to Los Angeles flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Los Angeles?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Los Angeles.

  • Can I find deals for business class flights from St. Louis to Los Angeles?

    Yes. Cheapflights offers flight deals from St. Louis to Los Angeles 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 Los Angeles?

    Currently, January is the cheapest month in which you can book a flight from St. Louis to Los Angeles (average of $246). Flying from St. Louis to Los Angeles in June is currently the most expensive (average of $328). 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

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Stanton
San Gabriel
Inglewood
Downey
Oceanside
Buena Park
Santa Clarita
Avalon
Moreno Valley
Rowland Heights
Glendale
Universal City
El Segundo
La Mirada
Encinitas
Carson
Lake Forest
Palmdale
Del Mar
Garden Grove

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Top 7 airlines flying from St. Louis to Los Angeles

Discover the top 7 airlines that operate flights from St. Louis to Los Angeles. 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 April 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$94Average$177FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$119Average$200FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$264Average$414FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$287Average$425FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$290Average$441FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$296Average$547FlexibilityNo cancel feeOn-time75%
DeltaCheapest$299Average$426FlexibilityNo cancel feeOn-timeN/A

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