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$149+ 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 9/10. Fares are subject to change and may not be available on all flights or dates of travel.
STL — LAX
Jul 21 — Jul 281
Tue 7/21
Tue 7/28
1 adult, Economy
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Find cheap flights from St. Louis to Los Angeles with Cheapflights

1. Tell us where you want to go

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3. Compare prices and book

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Cheapflights Tip: The best prices from Lambert-St Louis to Los Angeles Los Angeles are usually found in September or October, booked 58 days in advance, depart on a Thursday or Wednesday and return on a Thursday

Cheap 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 June 21, 2026.

This Orbitz deal was found by Cheapflights users on 6/16. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/178:34 pm
STL
-
LAX
1 stop24h 14m
Frontier
Wed 9/2311:50 pm
LAX
-
STL
1 stop7h 50m
Frontier
Deal found 6/16$286
This Frontier deal was found by Cheapflights users on 6/16. 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.
Tue 7/218:08 pm
STL
-
LAX
1 stop6h 03m
Frontier
Fri 7/246:30 am
LAX
-
STL
1 stop9h 45m
Frontier
Deal found 6/16$289
This Kiwi.com deal was found by Cheapflights users on 6/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/118:08 pm
STL
-
LAX
1 stop6h 03m
Frontier
Wed 7/221:56 pm
LAX
-
STL
2 stops26h 19m
Frontier
Deal found 6/20$293
This Kiwi.com deal was found by Cheapflights users on 6/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/206:45 pm
STL
-
LAX
1 stop16h 44m
Frontier
Sun 8/237:15 am
LAX
-
STL
1 stop8h 35m
Frontier
Deal found 6/17$294
This Trip.com deal was found by Cheapflights users on 6/17. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2412:46 pm
STL
-
LAX
1 stop7h 13m
Frontier
Wed 10/711:50 pm
LAX
-
STL
1 stop7h 50m
Frontier
Deal found 6/17$295
This Kiwi.com deal was found by Cheapflights users on 6/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/117:10 pm
STL
-
LAX
1 stop16h 15m
Frontier
Thu 7/236:30 am
LAX
-
STL
1 stop9h 45m
Frontier
Deal found 6/20$296
This Expedia deal was found by Cheapflights users on 6/19. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1110:35 am
STL
-
LAX
1 stop10h 13m
Frontier
Mon 11/169:56 pm
LAX
-
STL
1 stop22h 43m
Frontier
Deal found 6/19$297
This Frontier deal was found by Cheapflights users on 6/17. 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 8/278:08 pm
STL
-
LAX
1 stop6h 03m
Frontier
Mon 8/316:30 am
LAX
-
STL
1 stop10h 53m
Frontier
Deal found 6/17$298
This CheapOair deal was found by Cheapflights users on 6/18. 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.
Wed 7/227:03 pm
STL
-
LAX
1 stop27h 11m
Frontier
Fri 7/248:49 pm
LAX
-
STL
1 stop20h 34m
Frontier
Deal found 6/18$299
This Kiwi.com deal was found by Cheapflights users on 6/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/98:08 pm
STL
-
LAX
1 stop6h 03m
Frontier
Tue 7/141:56 pm
LAX
-
STL
2 stops26h 09m
Frontier
Deal found 6/18$300
This Frontier deal was found by Cheapflights users on 6/18. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1012:46 pm
STL
-
LAX
1 stop7h 13m
Frontier
Fri 9/186:15 am
LAX
-
STL
1 stop11h 00m
Frontier
Deal found 6/18$301
This Kiwi.com deal was found by Cheapflights users on 6/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/188:08 pm
STL
-
LAX
1 stop6h 03m
Frontier
Sat 7/251:56 pm
LAX
-
STL
2 stops26h 19m
Frontier
Deal found 6/20$302

Find 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 June 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$286
(Orbitz)

One-way from

$149
(Frontier)

Popular in

May

Cheapest in

September

Average price

$447

Good round-trip deal

$481 or less

Good one-way deal

$232 or less
Provider with most accurate pricing for Lambert-St Louis-Los Angeles Los Angeles flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Los Angeles Los Angeles flights.
Search Deals
From Lambert-St Louis to Los Angeles Los Angeles
Search Deals
One-way flight from Lambert-St Louis to Los Angeles Los Angeles
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($48 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals
Price to beat on a round-trip flight from Lambert-St Louis to Los Angeles Los Angeles.
Search Deals
Price to beat on a one-way flight from Lambert-St Louis to Los Angeles Los Angeles.
Search Deals

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 June 21, 2026.
Use the filters below to find and compare flights from St. Louis to Los Angeles that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisLos Angeles

STL - LAX

STLLAX

Lambert-St Louis

Wed 7/22

9:20 pm-11:15 pm

Nonstop3h 55m

Los Angeles Los Angeles

Wed 7/29

5:00 am-10:40 am

Nonstop3h 40m

$379

St. LouisLos Angeles

STL - LAX

STLLAX

Lambert-St Louis

Sat 8/29

8:30 am-10:25 am

Nonstop3h 55m

Los Angeles Los Angeles

Wed 9/9

12:25 pm-9:10 pm

1 stop6h 45m

$389
Quickest round-trip

St. LouisLos Angeles

STL - LAX

STLLAX

Lambert-St Louis

Wed 8/5

9:00 pm-10:55 pm

Nonstop3h 55m

Los Angeles Los Angeles

Fri 8/7

7:10 pm-12:45 am

Nonstop3h 35m

$418

St. LouisLos Angeles

STL - LAX

STLLAX

Lambert-St Louis

Sun 8/2

10:50 pm-12:45 am

Nonstop3h 55m

Los Angeles Los Angeles

Thu 8/13

7:10 pm-12:45 am

Nonstop3h 35m

$420

St. LouisLos Angeles

STL - LAX

STLLAX

Lambert-St Louis

Fri 9/4

9:05 pm-11:00 pm

Nonstop3h 55m

Los Angeles Los Angeles

Sun 9/6

9:20 am-4:55 pm

1 stop5h 35m

$433

St. LouisLos Angeles

STL - LAX

STLLAX

Lambert-St Louis

Tue 8/18

5:37 pm-1:38 pm

1 stop22h 01m

Los Angeles Los Angeles

Wed 8/19

5:17 pm-10:59 pm

Nonstop3h 42m

$447

St. LouisLos Angeles

STL - LAX

STLLAX

Lambert-St Louis

Sun 10/4

10:25 pm-12:20 am

Nonstop3h 55m

Los Angeles Los Angeles

Mon 10/12

11:10 pm-7:45 am

1 stop6h 35m

$453

St. LouisLos Angeles

STL - LAX

STLLAX

Lambert-St Louis

Sun 11/8

6:30 pm-10:40 pm

1 stop6h 10m

Los Angeles Los Angeles

Sun 11/15

7:00 pm-12:25 am

Nonstop3h 25m

$453

St. LouisLos Angeles

STL - LAX

STLLAX

Lambert-St Louis

Mon 7/13

9:55 pm-11:50 pm

Nonstop3h 55m

Los Angeles Los Angeles

Tue 7/14

12:50 pm-6:25 pm

Nonstop3h 35m

$473

St. LouisLos Angeles

STL - LAX

STLLAX

Lambert-St Louis

Thu 7/16

6:30 pm-11:55 pm

1 stop7h 25m

Los Angeles Los Angeles

Mon 7/20

6:35 am-12:10 pm

Nonstop3h 35m

$496

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/19

Showing 1-10 of 22 resultsSorted by cheapest first
1
2
3

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 June.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy2 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
CheapTicketsDealPrice Accuracy1 starTrust 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.

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?

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 57 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, September is the cheapest month in which you can book a flight from St. Louis to Los Angeles (average of $310). Flying from St. Louis to Los Angeles in May is currently the most expensive (average of $447). 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 June 21, 2026.

It’s optimal to fly from St. Louis to Los Angeles in the afternoon. By choosing this option you can save up to 34% on the cost of your flight, compared to a flight in the morning.

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 June 20, 2026.

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

How much does it cost to fly round-trip from St. Louis to Los Angeles?

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

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your St. Louis to Los Angeles trip
Our travel experts
Ramsey Qubein

Ramsey Qubein

Expert on LAX

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 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

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 June 21, 2026.
See what other customers who have flown with Southwest,Delta, andUnited Airlines from St. Louis to Los Angeles have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
7.9
Good
4,242 reviews

Entertainment

7.5

Boarding

8.1

Crew

8.6

Food

7.0

Overall

7.9

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Walter,May 2026

LAS - BUR

Short but excellent flight. Everyone was friendly and professional it was a great flight!
Southwest
7.9
Good
4,242 reviews
Southwest
7.9
Good
4,242 reviews

Entertainment

7.5

Boarding

8.1

Crew

8.6

Food

7.0

Overall

7.9

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Walter,May 2026

LAS - BUR

Short but excellent flight. Everyone was friendly and professional it was a great flight!
Delta
7.8
Good
8,423 reviews
Southwest
7.9
Good
4,242 reviews

Entertainment

7.5

Boarding

8.1

Crew

8.6

Food

7.0

Overall

7.9

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Walter,May 2026

LAS - BUR

Short but excellent flight. Everyone was friendly and professional it was a great flight!
United Airlines
7.4
Good
9,868 reviews
Southwest
7.9
Good
4,242 reviews

Entertainment

7.5

Boarding

8.1

Crew

8.6

Food

7.0

Overall

7.9

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Walter,May 2026

LAS - BUR

Short but excellent flight. Everyone was friendly and professional it was a great flight!
American Airlines
7.1
Good
11,723 reviews
Southwest
7.9
Good
4,242 reviews

Entertainment

7.5

Boarding

8.1

Crew

8.6

Food

7.0

Overall

7.9

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Walter,May 2026

LAS - BUR

Short but excellent flight. Everyone was friendly and professional it was a great flight!
Frontier
5.6
Fair
2,876 reviews
Southwest
7.9
Good
4,242 reviews

Entertainment

7.5

Boarding

8.1

Crew

8.6

Food

7.0

Overall

7.9

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Walter,May 2026

LAS - BUR

Short but excellent flight. Everyone was friendly and professional it was a great flight!

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 Los Angeles (LAX) from Lambert-St Louis (STL) take 3h 50m 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 28 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from St. Louis to Los Angeles?

    For as low as $379, Southwest can have you in Los Angeles from St. Louis in 3h 55m. The distance from St. Louis to Los Angeles is about 1588 mi. Most flights are nonstop.

  • What are the cheapest airlines flying from St. Louis to Los Angeles round-trip?

    Frontier, at $139, was found to be the cheapest airline from St. Louis to Los Angeles.Alternate airlines to your destination round-trip include Southwest and United Airlines. Users have found that Frontier is 63% 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 ($84), American Airlines ($143), and Delta ($151).

  • 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: Qatar Airways (92%), SkyWest Airlines (80%), American Airlines( 80%).

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

    Looking at all options, your cheapest flight can be booked for $196. While the most popular route (Lambert-St Louis - Los Angeles Los Angeles) can be booked for $304 on average, our data indicates $470 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, September is the cheapest month in which you can book a flight from St. Louis to Los Angeles (average of $310). Flying from St. Louis to Los Angeles in May is currently the most expensive (average of $447). 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 Los Angeles?

Book flights to Los Angeles if you plan to visit one of these locations
Downey
Avalon
Buena Park
Oceanside
Inglewood
Carson
Universal City
Garden Grove
Hesperia
Stanton
El Segundo
Torrance
Oxnard
Glendale
Westminster
Fountain Valley
Lake Elsinore
Redondo Beach
Lancaster
Compton

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for St. Louis to Los Angeles

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 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 June 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$139Average$235FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$262Average$400FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$290Average$408FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$296Average$414FlexibilityNo cancel feeOn-time71%
DeltaCheapest$296Average$394FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$304Average$384FlexibilityNo cancel feeOn-time62%
Alaska AirlinesCheapest$347Average$531FlexibilityNo cancel feeOn-time75%

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