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$135+ 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 9/2. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — STL
jul. 16 — jul. 231
wo 7/16
wo 7/23
1 adult, Economy
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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 juli 11, 2025.

Round-trip from

$284
(Mytrip)

One-way from

$135
(Alaska Airlines)

Popular in

December

Cheapest in

August

Average price

$437

Good round-trip deal

$355 or less

Good one-way deal

$212 or less
From Los Angeles to Lambert-St Louis
Search Deals
One-way flight from Los Angeles to Lambert-St Louis
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Highest demand for flights based on searches. 6% potential increase in price ($29 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from Los Angeles to Lambert-St Louis.
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Price to beat on a one-way flight from Los Angeles to Lambert-St Louis.
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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 juli 11, 2025.

This Mytrip deal was found by Cheapflights users on 7/10. 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.
do 8/289:22 amLAX - STL
2 stops26h 10mSpirit Airlines
ma 9/12:30 pmSTL - LAX
1 stop10h 39mSpirit Airlines
Deal found 7/10$284
This Gotogate deal was found by Cheapflights users on 7/10. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
do 8/216:07 pmLAX - STL
1 stop15h 37mMultiple Airlines
zo 8/247:54 pmSTL - LAX
1 stop6h 33mMultiple Airlines
Deal found 7/10$285
This Booking.com deal was found by Cheapflights users on 7/10. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
do 7/246:15 amLAX - STL
1 stop24h 56mFrontier
di 9/307:55 pmSTL - LAX
1 stop18h 57mFrontier
Deal found 7/10$286
This Southwest deal was found by Cheapflights users on 7/10. 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.
za 8/26:05 pmLAX - STL
Nonstop3h 40mSouthwest
wo 8/68:50 amSTL - LAX
Nonstop3h 55mSouthwest
Deal found 7/10$287
This United Airlines deal was found by Cheapflights users on 7/10. 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.
wo 8/612:56 amLAX - STL
1 stop6h 32mUnited Airlines
do 8/145:00 amSTL - LAX
1 stop6h 40mUnited Airlines
Deal found 7/10$288
This American Airlines deal was found by Cheapflights users on 7/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
za 8/305:37 pmLAX - STL
Nonstop3h 32mAmerican Airlines
zo 8/316:45 amSTL - LAX
Nonstop3h 49mAmerican Airlines
Deal found 7/9$295

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 juli 11, 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

do 8/28

9:22 am-1:32 pm

2 stops26h 10m

Lambert-St Louis

ma 9/1

2:30 pm-11:09 pm

1 stop10h 39m

$284

Los AngelesSt. Louis

LAX - STL

LAXSTL

Los Angeles

do 8/21

6:07 pm-11:44 am

1 stop15h 37m

Lambert-St Louis

zo 8/24

7:54 pm-12:27 am

1 stop6h 33m

$285

Los AngelesSt. Louis

LAX - STL

LAXSTL

Los Angeles

do 7/24

6:15 am-9:11 am

1 stop24h 56m

Lambert-St Louis

di 9/30

7:55 pm-12:52 pm

1 stop18h 57m

$286

Los AngelesSt. Louis

LAX - STL

LAXSTL

Los Angeles

za 8/2

6:05 pm-11:45 pm

Nonstop3h 40m

Lambert-St Louis

wo 8/6

8:50 am-10:45 am

Nonstop3h 55m

$287

Los AngelesSt. Louis

LAX - STL

LAXSTL

Los Angeles

wo 8/6

12:56 am-9:28 am

1 stop6h 32m

Lambert-St Louis

do 8/14

5:00 am-9:40 am

1 stop6h 40m

$288

Los AngelesSt. Louis

LAX - STL

LAXSTL

Los Angeles

za 8/30

5:37 pm-11:09 pm

Nonstop3h 32m

Lambert-St Louis

zo 8/31

6:45 am-8:34 am

Nonstop3h 49m

$295

Los AngelesSt. Louis

LAX - STL

LAXSTL

Los Angeles

di 9/2

10:34 pm-5:34 pm

2 stops17h 00m

$135

Los AngelesSt. Louis

LAX - STL

LAXSTL

Los Angeles

zo 9/14

5:00 am-10:35 am

Nonstop3h 35m

$136

Los AngelesSt. Louis

LAX - STL

LAXSTL

Los Angeles

za 8/16

9:22 am-1:32 pm

2 stops26h 10m

$137

Los AngelesSt. Louis

LAX - STL

LAXSTL

Los Angeles

di 8/19

12:45 am-11:50 am

1 stop9h 05m

$139

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/10

Showing 1-10 of 14 results
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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 June 27, 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 juli 11, 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 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 6, 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 juli 11, 2025.

The most flights from LAX to STL are scheduled on a Monday (12 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (8 on average).

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 juli 11, 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.
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Comfort

7.8

Entertainment

7.1

Food

7.1

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Comfort

7.8

Entertainment

7.1

Food

7.1

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,250 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Comfort

7.8

Entertainment

7.1

Food

7.1

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,951 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Comfort

7.8

Entertainment

7.1

Food

7.1

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,846 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Comfort

7.8

Entertainment

7.1

Food

7.1

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Comfort

7.8

Entertainment

7.1

Food

7.1

Boarding

8.1

Overall

8.0

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 30m 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 18 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 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 $284 on this airline. Additional options worth looking into are Frontier and Southwest, starting at $286 and $287 round-trip. Spirit Airlines is currently priced 29% 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 $135 on Alaska Airlines. Other airlines that offer cheap prices include Southwest from $136 and Spirit Airlines from $137 one-way.

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

    Consider Qatar Airways (89%), Southwest (81%) or Japan Airlines (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 $347, our data indicates the cheapest price to be $142. The most popular route (Los Angeles - Lambert-St Louis), is priced around $163.

  • 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 Los Angeles?

Book flights to Los Angeles if you plan to visit one of these locations
O'Fallon
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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 juli 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$22Average$295FlexibilityNo cancel feeOn-time65%
FrontierCheapest$126Average$220FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$233Average$427FlexibilityNo cancel feeOn-time71%
DeltaCheapest$296Average$373FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$299Average$421FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$316Average$476FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$327Average$681FlexibilityNo cancel feeOn-time75%

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