St. Louis

$139+ 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 10/8. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — STL
Jul 26 — Aug 21
We work with more than 300 partners to bring you better travel deals

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

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Los Angeles to Lambert-St Louis are usually found in August or September, booked 60 days in advance, depart on a Tuesday or Friday and return on a Wednesday

Cheap 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 July 21, 2025.

Round-trip from

$287
(Orbitz)

One-way from

$139
(Orbitz)

Popular in

December

Cheapest in

August

Average price

$434

Good round-trip deal

$308 or less

Good one-way deal

$172 or less
From Los Angeles to Lambert-St Louis
One-way flight from Los Angeles to Lambert-St Louis
Highest demand for flights based on searches. 6% potential increase in price ($28 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Average for round-trip flights in July 2025
Price to beat on a round-trip flight from Los Angeles to Lambert-St Louis.
Price to beat on a one-way flight from Los Angeles to Lambert-St Louis.

Find 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 July 21, 2025.

This Orbitz deal was found by Cheapflights users on 7/19. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/125:31 pmLAX - STL
Nonstop3h 28mMultiple Airlines
Sun 9/1412:05 pmSTL - LAX
1 stop13h 10mMultiple Airlines
Deal found 7/19$287
This Mytrip deal was found by Cheapflights users on 7/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2012:14 pmLAX - STL
3 stops23h 18mSpirit Airlines
Sun 8/242:30 pmSTL - LAX
2 stops11h 28mSpirit Airlines
Deal found 7/20$288
This Southwest deal was found by Cheapflights users on 7/21. 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.
Sat 8/237:50 amLAX - STL
Nonstop3h 35mSouthwest
Sat 8/301:40 pmSTL - LAX
Nonstop3h 55mSouthwest
Deal found 7/21$295
This American Airlines deal was found by Cheapflights users on 7/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/165:37 pmLAX - STL
Nonstop3h 32mAmerican Airlines
Sat 8/236:45 amSTL - LAX
Nonstop3h 49mAmerican Airlines
Deal found 7/19$296
This Delta deal was found by Cheapflights users on 7/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1112:35 amLAX - STL
1 stop8h 01mDelta
Mon 8/187:11 pmSTL - LAX
1 stop6h 44mDelta
Deal found 7/20$298
This FlightHub deal was found by Cheapflights users on 7/20. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/56:15 amLAX - STL
1 stop24h 56mFrontier
Tue 8/197:54 pmSTL - LAX
1 stop6h 33mFrontier
Deal found 7/20$301
This Alaska Airlines deal was found by Cheapflights users on 7/19. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2610:28 pmLAX - STL
2 stops17h 06mAlaska Airlines
Mon 9/296:00 amSTL - LAX
1 stop10h 57mAlaska Airlines
Deal found 7/19$336

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 July 21, 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

Fri 9/12

5:31 pm-10:59 pm

Nonstop3h 28m

Lambert-St Louis

Sun 9/14

12:05 pm-11:15 pm

1 stop13h 10m

$287

Los AngelesSt. Louis

LAX - STL

LAXSTL

Los Angeles

Wed 8/20

12:14 pm-1:32 pm

3 stops23h 18m

Lambert-St Louis

Sun 8/24

2:30 pm-11:58 pm

2 stops11h 28m

$288

Los AngelesSt. Louis

LAX - STL

LAXSTL

Los Angeles

Sat 8/23

7:50 am-1:25 pm

Nonstop3h 35m

Lambert-St Louis

Sat 8/30

1:40 pm-3:35 pm

Nonstop3h 55m

$295

Los AngelesSt. Louis

LAX - STL

LAXSTL

Los Angeles

Sat 8/16

5:37 pm-11:09 pm

Nonstop3h 32m

Lambert-St Louis

Sat 8/23

6:45 am-8:34 am

Nonstop3h 49m

$296

Los AngelesSt. Louis

LAX - STL

LAXSTL

Los Angeles

Mon 8/11

12:35 am-10:36 am

1 stop8h 01m

Lambert-St Louis

Mon 8/18

7:11 pm-11:55 pm

1 stop6h 44m

$298

Los AngelesSt. Louis

LAX - STL

LAXSTL

Los Angeles

Tue 8/5

6:15 am-9:11 am

1 stop24h 56m

Lambert-St Louis

Wed 8/6

7:29 pm-9:57 am

1 stop16h 28m

$301

Los AngelesSt. Louis

LAX - STL

LAXSTL

Los Angeles

Fri 9/26

10:28 pm-5:34 pm

2 stops17h 06m

Lambert-St Louis

Mon 9/29

6:00 am-2:57 pm

1 stop10h 57m

$336

Los AngelesSt. Louis

LAX - STL

LAXSTL

Los Angeles

Wed 10/8

2:00 pm-12:03 am

1 stop8h 03m

$139

Los AngelesSt. Louis

LAX - STL

LAXSTL

Los Angeles

Fri 8/22

12:35 am-8:36 am

1 stop6h 01m

$140

Los AngelesSt. Louis

LAX - STL

LAXSTL

Los Angeles

Sun 8/3

10:10 pm-9:52 am

1 stop9h 42m

$141

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/19

Showing 1-10 of 15 results
1
2

The best insider tips for Los Angeles to St. Louis 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 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

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 July 18, 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 60 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, August is the cheapest month in which you can book a flight from Los Angeles to St. Louis (average of $311). Flying from Los Angeles to St. Louis in March is currently the most expensive (average of $356). 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 July 21, 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 evening tend to be the most expensive. A flight in the morning could potentially save you up to 3% 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 July 20, 2025.

Travelers seeking maximum savings on their Los Angeles to St. Louis flight should consider departing on Saturday evenings 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.

Weekly flight availability from Los Angeles to St. Louis

Explore weekly flight availability from Los Angeles to St. Louis. 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 July 21, 2025.

The most flights from LAX to STL are scheduled on a Monday (12 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (9 on average).

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

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 July 21, 2025.
Read through reviews of airlines operating flights from Los Angeles to St. Louis, such as Alaska Airlines, Southwest, and Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.5

Overall

8.0

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Crew

8.5

Overall

8.0

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Crew

8.5

Overall

8.0

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
8.0
Very good

Crew

8.5

Overall

8.0

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Crew

8.5

Overall

8.0

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Crew

8.5

Overall

8.0

Entertainment

7.1

Boarding

8.1

Comfort

7.8

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 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 7 different airlines, which means you should have some options if you want to compare airfare deals. 3h 35m 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?

  • 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 Spirit Airlines. Our recent data shows that you can find tickets from as low as $288 on this airline. Additional options worth looking into are Southwest and American Airlines, starting at $295 and $296 round-trip. Spirit Airlines is currently priced 27% 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 $139 on Alaska Airlines. Other airlines that offer cheap prices include Delta from $140 and Spirit Airlines from $141 one-way.

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

    Consider Southwest (81%), Qatar Airways (81%) or American Airlines (78%) 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 $335, our data indicates the cheapest price to be $147. The most popular route (Los Angeles - Lambert-St Louis), is priced around $156.

  • 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, August is the cheapest month in which you can book a flight from Los Angeles to St. Louis (average of $311). Flying from Los Angeles to St. Louis in March is currently the most expensive (average of $356). 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
O'Fallon
Maryland Heights
Fairview Heights
Collinsville
Eureka
St. Peters
Glencoe
Alton
Festus
Chesterfield
Farmington

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Los Angeles to St. Louis

See prices for flight routes from nearby airports that may be better suited for you.

Top 7 airlines flying from Los Angeles to St. Louis

Discover the top 7 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 July 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$22Average$295FlexibilityNo cancel feeOn-time65%
FrontierCheapest$125Average$226FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$240Average$424FlexibilityNo cancel feeOn-time71%
DeltaCheapest$296Average$375FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$299Average$420FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$315Average$645FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$319Average$476FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.