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$66+ Cheap flights from Los Angeles to St. Louis (LAX - STL)

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 1/17. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — STL
ene. 11 — ene. 181
dom. 1/11
dom. 1/18
1 adult, Economy
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Find cheap flights from Los Angeles to St. Louis with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

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Cheapflights Tip: The best prices from Los Angeles to Lambert-St Louis are usually found in October or April, booked 51 days in advance, depart on a Thursday or Tuesday and return on a Wednesday

Cheap flight deals from Los Angeles to St. Louis

Cheapest flights from Los Angeles to St. Louis
Explore the most affordable flight options available from Los Angeles to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on diciembre 12, 2025.

This Expedia deal was found by Cheapflights users on 12/10. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/218:58 pmLAX - STL
1 stop11h 04mFrontier
lun. 12/2210:10 pmSTL - LAX
1 stop24h 21mFrontier
Deal found 12/10$228
This CheapOair deal was found by Cheapflights users on 12/10. 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.
sáb. 12/133:30 pmLAX - STL
1 stop18h 42mFrontier
sáb. 1/107:43 pmSTL - LAX
1 stop14h 54mFrontier
Deal found 12/10$234
This CheapOair deal was found by Cheapflights users on 12/10. 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.
mar. 12/233:30 pmLAX - STL
1 stop22h 54mFrontier
dom. 1/410:10 pmSTL - LAX
1 stop16h 06mFrontier
Deal found 12/10$235
This Frontier deal was found by Cheapflights users on 12/11. 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. 12/218:58 pmLAX - STL
1 stop11h 04mFrontier
vie. 1/28:42 pmSTL - LAX
1 stop12h 56mFrontier
Deal found 12/11$238
This Kiwi.com deal was found by Cheapflights users on 12/11. 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.
jue. 12/251:01 pmLAX - STL
1 stop28h 46mFrontier
dom. 1/410:10 pmSTL - LAX
1 stop16h 06mFrontier
Deal found 12/11$241
This Kiwi.com deal was found by Cheapflights users on 12/11. 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.
mié. 12/249:15 amLAX - STL
2 stops29h 09mFrontier
vie. 1/28:42 pmSTL - LAX
1 stop12h 56mFrontier
Deal found 12/11$244
This Kiwi.com deal was found by Cheapflights users on 12/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/309:20 pmLAX - STL
2 stops10h 42mMultiple Airlines
dom. 1/410:10 pmSTL - LAX
1 stop16h 06mMultiple Airlines
Deal found 12/10$253
This CheapOair deal was found by Cheapflights users on 12/10. 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.
mié. 12/103:30 pmLAX - STL
1 stop18h 42mFrontier
mié. 12/177:43 pmSTL - LAX
1 stop13h 59mFrontier
Deal found 12/10$254
This CheapOair deal was found by Cheapflights users on 12/10. 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.
jue. 12/189:58 pmLAX - STL
1 stop21h 27mFrontier
lun. 12/2210:10 pmSTL - LAX
1 stop24h 21mFrontier
Deal found 12/10$255
This Kiwi.com deal was found by Cheapflights users on 12/11. 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.
jue. 12/259:20 pmLAX - STL
2 stops20h 27mMultiple Airlines
dom. 1/410:10 pmSTL - LAX
1 stop16h 06mMultiple Airlines
Deal found 12/11$258
This Kiwi.com deal was found by Cheapflights users on 12/11. 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.
mié. 12/243:30 pmLAX - STL
1 stop22h 54mFrontier
dom. 1/410:10 pmSTL - LAX
1 stop16h 06mFrontier
Deal found 12/11$261

Find flight deals from Los Angeles to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Los Angeles (LAX) to St. Louis (STL). 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 diciembre 12, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$211
(Kiwi.com)

One-way from

$66
(WAYA)

Popular in

June

Cheapest in

October

Average price

$420

Good round-trip deal

$375 or less

Good one-way deal

$154 or less
Provider with most accurate pricing for Los Angeles-Lambert-St Louis flight deals.
Search Deals
Provider most trusted by Cheapflights users for Los Angeles-Lambert-St Louis flights.
Search Deals
From Los Angeles to Lambert-St Louis
Search Deals
One-way flight from Los Angeles to Lambert-St Louis
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 ($4 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Los Angeles to Lambert-St Louis.
Search Deals
Price to beat on a one-way flight from Los Angeles to Lambert-St Louis.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Los Angeles to St. Louis 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 diciembre 12, 2025.
Use the filters below to find and compare flights from Los Angeles to St. Louis that are best for you.

Fly from

Los Angeles

Fly to

St. Louis

Route

Depart

Return

Price

Los AngelesSt. Louis

LAX - STL

LAXSTL

Los Angeles

mié. 12/31

10:45 pm-9:40 am

1 stop8h 55m

Lambert-St Louis

vie. 1/2

8:42 pm-7:38 am

1 stop12h 56m

$258

Los AngelesSt. Louis

LAX - STL

LAXSTL

Los Angeles

vie. 4/10

11:59 pm-10:33 pm

1 stop20h 34m

Lambert-St Louis

dom. 4/12

10:44 pm-8:05 pm

1 stop23h 21m

$273

Los AngelesSt. Louis

LAX - STL

LAXSTL

Los Angeles

mié. 3/4

11:45 am-12:25 am

2 stops10h 40m

Lambert-St Louis

mar. 3/10

2:22 pm-10:47 pm

2 stops10h 25m

$314

Los AngelesSt. Louis

LAX - STL

LAXSTL

Los Angeles

vie. 2/6

5:50 am-11:30 am

Nonstop3h 40m

Lambert-St Louis

sáb. 2/7

6:00 am-12:00 pm

1 stop8h 00m

$320

Los AngelesSt. Louis

LAX - STL

LAXSTL

Los Angeles

mar. 1/20

11:20 pm-9:35 am

1 stop8h 15m

Lambert-St Louis

mar. 1/27

10:15 am-5:05 pm

2 stops8h 50m

$320

Los AngelesSt. Louis

LAX - STL

LAXSTL

Los Angeles

jue. 2/19

11:25 am-5:00 pm

Nonstop3h 35m

Lambert-St Louis

vie. 2/20

7:00 pm-9:15 pm

Nonstop4h 15m

$325

Los AngelesSt. Louis

LAX - STL

LAXSTL

Los Angeles

jue. 2/5

5:50 am-11:30 am

Nonstop3h 40m

Lambert-St Louis

jue. 2/5

7:45 pm-10:00 pm

Nonstop4h 15m

$325

Los AngelesSt. Louis

LAX - STL

LAXSTL

Los Angeles

lun. 2/16

5:05 am-10:35 am

Nonstop3h 30m

Lambert-St Louis

jue. 2/19

7:45 pm-10:00 pm

Nonstop4h 15m

$325

Los AngelesSt. Louis

LAX - STL

LAXSTL

Los Angeles

vie. 2/20

5:05 am-10:35 am

Nonstop3h 30m

Lambert-St Louis

lun. 2/23

7:45 pm-10:00 pm

Nonstop4h 15m

$325

Los AngelesSt. Louis

LAX - STL

LAXSTL

Los Angeles

dom. 12/28

6:34 am-10:02 am

1 stop25h 28m

Lambert-St Louis

mar. 12/30

10:10 pm-12:16 pm

1 stop16h 06m

$329

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 22 results
1
2
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Compare providers for flights from Los Angeles to St. Louis

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 Los Angeles to St. Louis in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
CheapOairPrice Accuracy3 starsTrust Score*3 stars
CheapTicketsDealPrice 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 Los Angeles-St. Louis flights, users find the pricing of CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on Los Angeles-St. Louis flight deals on Cheapflights vs. CheapOair >95% of the time. Price accuracy is based on data collected from Los Angeles-St. Louis flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Los Angeles-St. Louis flights, Cheapflights users trust CheapOair the most. CheapOair 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 Los Angeles-St. Louis 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 Los Angeles to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Los Angeles 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 Los Angeles to St. Louis

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

Use this chart to determine the optimal time to book a round-trip flight from Los Angeles to St. Louis. Price data was last updated on December 5, 2025.

To ensure you get the cheapest price possible for a flight from Los Angeles to St. Louis, you should look to book at least 51 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, February is the cheapest month in which you can book a flight from Los Angeles to St. Louis (average of $143). Flying from Los Angeles to St. Louis in June is currently the most expensive (average of $297). 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 LAX to STL?

Find hourly flight availability from Los Angeles to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated diciembre 12, 2025.

One of the essential ways to save on airfare from Los Angeles to St. Louis is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 14% on airfare.

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

Use this chart to determine the cheapest time to fly round-trip from Los Angeles to St. Louis. Price data was last updated on December 6, 2025.

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

The best insider tips for Los Angeles to St. Louis 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 Los Angeles to St. Louis trip
Airports
LAX

For quicker security, use the Tom Bradley International Terminal, often with shorter lines in the morning and midday.

Read more about LAXBy Ramsey Qubein
STL

Use the MetroLink light rail for a convenient and economical ride from STL to downtown St. Louis.

Read more about STLBy Taryn White
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

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. 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 St. Louis. Reviews last updated diciembre 12, 2025.
Read through reviews of airlines operating flights from Los Angeles to St. Louis, such as Southwest, Delta, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
7.9
Good
4,253 reviews

Food

7.0

Boarding

8.1

Comfort

8.0

Overall

7.9

Entertainment

7.5

Crew

8.6

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
Southwest
7.9
Good
4,253 reviews
Southwest
7.9
Good
4,253 reviews

Food

7.0

Boarding

8.1

Comfort

8.0

Overall

7.9

Entertainment

7.5

Crew

8.6

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
Delta
7.9
Good
8,008 reviews
Southwest
7.9
Good
4,253 reviews

Food

7.0

Boarding

8.1

Comfort

8.0

Overall

7.9

Entertainment

7.5

Crew

8.6

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
United Airlines
7.4
Good
9,095 reviews
Southwest
7.9
Good
4,253 reviews

Food

7.0

Boarding

8.1

Comfort

8.0

Overall

7.9

Entertainment

7.5

Crew

8.6

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
American Airlines
7.2
Good
11,050 reviews
Southwest
7.9
Good
4,253 reviews

Food

7.0

Boarding

8.1

Comfort

8.0

Overall

7.9

Entertainment

7.5

Crew

8.6

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
Frontier
5.8
Fair
3,084 reviews
Southwest
7.9
Good
4,253 reviews

Food

7.0

Boarding

8.1

Comfort

8.0

Overall

7.9

Entertainment

7.5

Crew

8.6

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Related info for your journey

Find useful and relevant information for your journey from Los Angeles to St. Louis. 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 Los Angeles to St. Louis?

    If you wish to fly to St. Louis from Los Angeles, then you need to book flights from Los Angeles to Lambert-St Louis. There are 10 flights from Los Angeles (LAX) to Lambert-St Louis (STL) per day to choose from. Flights to St. Louis from Los Angeles are available from 6 different airlines, which means you should have some options if you want to compare airfare deals. 3h 26m is how long a nonstop flight from Los Angeles to Lambert-St Louis typically takes.

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

    This flight path from Los Angeles to Lambert-St Louis was viewed by 24 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 Los Angeles to St. Louis?

    Departing from Los Angeles to St. Louis will take you 3h 40m. Los Angeles and St. Louis are separated by a distance of 1588 mi. This flight may include one or multiple stops.

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

    Our cheapest airline available from Los Angeles to St. Louis is Frontier. Our recent data shows that you can find tickets from as low as $120 on this airline. Additional options worth looking into are Alaska Airlines and Southwest, starting at $257 and $283 round-trip. Frontier is currently priced 69% below the average price you’ll pay for this route.

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

    One-way options have recently been found by users for as low as $67 on Frontier. Other airlines that offer cheap prices include Delta from $130 and American Airlines from $142 one-way.

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

    Consider SkyWest Airlines (86%), American Airlines (86%) or Qatar Airways (80%) when booking your flight. These represent the most reliable airlines when flying from Los Angeles to St. Louis.

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

    Looking for the cheapest flight from Los Angeles to St. Louis? While on average our users pay $342, our data indicates the cheapest price to be $118. The most popular route (Los Angeles - Lambert-St Louis), is priced around $142.

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from Los Angeles to St. Louis (average of $143). Flying from Los Angeles to St. Louis in June is currently the most expensive (average of $297). 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
Edwardsville
O'Fallon
Fairview Heights
Maryland Heights
Collinsville
Swansea
Eureka
Glencoe
St. Peters
Chesterfield
Alton
Farmington
Festus

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Alternative routes for Los Angeles to St. Louis

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Los Angeles to St. Louis

Discover the top 6 airlines that operate flights from Los Angeles to St. Louis. 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 diciembre 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$129Average$224FlexibilityNo cancel feeOn-time62%
Alaska AirlinesCheapest$257Average$505FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$284Average$398FlexibilityNo cancel feeOn-time63%
DeltaCheapest$296Average$382FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$302Average$420FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$329Average$476FlexibilityNo cancel feeOn-time69%

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