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$107+ 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 10/17. Fares are subject to change and may not be available on all flights or dates of travel.
STL — LAX
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
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Cheapflights Tip: The best prices from Lambert-St Louis to Los Angeles are usually found in September or August, booked 89 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 July 3, 2025.

Round-trip from

$262
(FlightHub)

One-way from

$107
(Kiwi.com)

Popular in

March

Cheapest in

September

Average price

$387

Good round-trip deal

$402 or less

Good one-way deal

$212 or less
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. 4% potential increase in price ($19 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 Lambert-St Louis to Los Angeles.
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Price to beat on a one-way flight from Lambert-St Louis to Los Angeles.
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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 July 3, 2025.

This FlightHub deal was found by Cheapflights users on 7/2. 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.
Sat 7/192:52 pmSTL - LAX
1 stop8h 44mMultiple Airlines
Sat 7/2610:10 pmLAX - STL
1 stop9h 42mMultiple Airlines
Deal found 7/2$262
This Mytrip deal was found by Cheapflights users on 7/1. 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.
Mon 7/2810:47 amSTL - LAX
2 stops24h 26mSpirit Airlines
Wed 7/3010:10 pmLAX - STL
1 stop9h 42mSpirit Airlines
Deal found 7/1$263
This Trip.com deal was found by Cheapflights users on 7/2. 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.
Mon 7/212:37 pmSTL - LAX
1 stop7h 15mFrontier
Fri 7/259:28 pmLAX - STL
1 stop14h 31mFrontier
Deal found 7/2$265
This Southwest deal was found by Cheapflights users on 7/2. 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.
Tue 9/306:35 pmSTL - LAX
Nonstop3h 55mSouthwest
Tue 10/75:30 amLAX - STL
Nonstop3h 40mSouthwest
Deal found 7/2$295
This Delta deal was found by Cheapflights users on 7/2. 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 8/26:30 amSTL - LAX
1 stop7h 30mDelta
Fri 8/812:47 amLAX - STL
1 stop7h 46mDelta
Deal found 7/2$315

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 July 3, 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 7/19

2:52 pm-9:36 pm

1 stop8h 44m

Los Angeles

Sat 7/26

10:10 pm-9:52 am

1 stop9h 42m

$262

St. LouisLos Angeles

STL - LAX

STLLAX

Lambert-St Louis

Mon 7/28

10:47 am-9:13 am

2 stops24h 26m

Los Angeles

Wed 7/30

10:10 pm-9:52 am

1 stop9h 42m

$263

St. LouisLos Angeles

STL - LAX

STLLAX

Lambert-St Louis

Mon 7/21

2:37 pm-7:52 pm

1 stop7h 15m

Los Angeles

Fri 7/25

9:28 pm-1:59 pm

1 stop14h 31m

$265

St. LouisLos Angeles

STL - LAX

STLLAX

Lambert-St Louis

Tue 9/30

6:35 pm-8:30 pm

Nonstop3h 55m

Los Angeles

Tue 10/7

5:30 am-11:10 am

Nonstop3h 40m

$295

St. LouisLos Angeles

STL - LAX

STLLAX

Lambert-St Louis

Sat 8/2

6:30 am-12:00 pm

1 stop7h 30m

Los Angeles

Fri 8/8

12:47 am-10:33 am

1 stop7h 46m

$315

St. LouisLos Angeles

STL - LAX

STLLAX

Lambert-St Louis

Wed 8/13

6:45 am-8:34 am

Nonstop3h 49m

Los Angeles

Tue 8/19

6:00 am-6:30 pm

1 stop10h 30m

$318

St. LouisLos Angeles

STL - LAX

STLLAX

Lambert-St Louis

Fri 10/17

9:25 pm-7:53 pm

1 stop24h 28m

$107

St. LouisLos Angeles

STL - LAX

STLLAX

Lambert-St Louis

Sun 11/9

8:44 am-3:36 pm

1 stop8h 52m

$115

St. LouisLos Angeles

STL - LAX

STLLAX

Lambert-St Louis

Wed 9/10

6:00 am-7:10 pm

2 stops15h 10m

$140

St. LouisLos Angeles

STL - LAX

STLLAX

Lambert-St Louis

Sat 8/2

9:10 pm-11:05 pm

Nonstop3h 55m

$148

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Showing 1-10 of 13 results
1
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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, use the LAX-it hub for rideshares. Look for green signs to free shuttles from terminals to LAX-it.

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 June 27, 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 89 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 March is currently the most expensive (average of $326). 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 July 3, 2025.

It’s optimal to fly from St. Louis to Los Angeles at noon. By choosing this option you can save up to 28% 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 29, 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. Tuesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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 July 3, 2025.
See what other customers who have flown with Alaska Airlines, Southwest, and Delta 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.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

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

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

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
4,266 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

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
7,982 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Spirit Airlines
6.3
Okay
8,086 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Frontier
5.9
Fair
3,286 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

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 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 49m for a nonstop flight. There are 4 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 12 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?

    Spirit Airlines, at $263, was found to be the cheapest airline from St. Louis to Los Angeles.Alternate airlines to your destination round-trip include Frontier and Southwest. Users have found that Spirit Airlines is 32% 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 ($107), Spirit Airlines ($115), and Alaska Airlines ($140).

  • 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: American Airlines (88%), Alaska Airlines (88%), Southwest( 78%).

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

    Looking at all options, your cheapest flight can be booked for $162. While the most popular route (Lambert-St Louis - Los Angeles) can be booked for $121 on average our data indicates $708 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 March is currently the most expensive (average of $326). 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
Downey
Universal City
Oceanside
Buena Park
Moreno Valley
Avalon
Santa Clarita
Inglewood
El Segundo
Glendale
Montebello
Rowland Heights
San Gabriel
Del Mar
Marina del Rey
West Hollywood
Loma Linda
La Mirada
Menifee

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Alternative routes for St. Louis to Los Angeles

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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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$56Average$260FlexibilityNo cancel feeOn-time65%
FrontierCheapest$94Average$193FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$254Average$421FlexibilityNo cancel feeOn-time71%
DeltaCheapest$256Average$395FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$281Average$450FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$290Average$422FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$296Average$550FlexibilityNo cancel feeOn-time75%

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