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Cheap flights from St. Louis to Los Angeles (STL - LAX) - Compare and Save

STL — LAX
Jul 9 — Jul 161
Wed 7/9
Wed 7/16
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 4, 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
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One-way flight from Lambert-St Louis to Los Angeles
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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).
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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 4, 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 Frontier deal was found by Cheapflights users on 7/3. 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.
Wed 7/307:29 pmSTL - LAX
1 stop6h 58mFrontier
Fri 8/19:28 pmLAX - STL
1 stop14h 31mFrontier
Deal found 7/3$267
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/911:24 amSTL - LAX
2 stops25h 01mSpirit Airlines
Wed 7/1610:10 pmLAX - STL
1 stop9h 42mSpirit Airlines
Deal found 7/2$271
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1810:47 amSTL - LAX
2 stops24h 02mSpirit Airlines
Sun 7/2010:10 pmLAX - STL
1 stop9h 42mSpirit Airlines
Deal found 7/2$273
This Mytrip deal was found by Cheapflights users on 7/3. 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.
Fri 8/152:30 pmSTL - LAX
2 stops19h 47mSpirit Airlines
Sat 8/1612:30 amLAX - STL
2 stops11h 02mSpirit Airlines
Deal found 7/3$274
This Gotogate deal was found by Cheapflights users on 7/3. 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.
Sat 7/192:52 pmSTL - LAX
1 stop8h 44mFrontier
Tue 7/226:15 amLAX - STL
1 stop24h 56mFrontier
Deal found 7/3$275
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 7/304:50 pmLAX - STL
2 stops15h 02mSpirit Airlines
Deal found 7/1$276
This Trip.com 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/282:37 pmSTL - LAX
1 stop7h 15mFrontier
Sun 8/33:48 pmLAX - STL
1 stop19h 54mFrontier
Deal found 7/1$277
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/167:29 pmSTL - LAX
1 stop6h 58mFrontier
Mon 9/299:03 pmLAX - STL
1 stop10h 03mFrontier
Deal found 7/2$278
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/911:24 amSTL - LAX
2 stops25h 01mSpirit Airlines
Wed 7/164:50 pmLAX - STL
2 stops15h 02mSpirit Airlines
Deal found 7/2$279

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 4, 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

Wed 7/30

7:29 pm-12:27 am

1 stop6h 58m

Los Angeles

Fri 8/1

9:28 pm-1:59 pm

1 stop14h 31m

$267

St. LouisLos Angeles

STL - LAX

STLLAX

Lambert-St Louis

Wed 7/16

11:24 am-10:25 am

2 stops25h 01m

Los Angeles

Sun 7/20

10:10 pm-9:52 am

1 stop9h 42m

$271

St. LouisLos Angeles

STL - LAX

STLLAX

Lambert-St Louis

Fri 7/18

2:27 pm-7:52 pm

1 stop7h 25m

Los Angeles

Fri 7/25

9:28 pm-1:59 pm

1 stop14h 31m

$273

St. LouisLos Angeles

STL - LAX

STLLAX

Lambert-St Louis

Fri 8/15

2:30 pm-8:17 am

2 stops19h 47m

Los Angeles

Sat 8/16

12:30 am-1:32 pm

2 stops11h 02m

$274

St. LouisLos Angeles

STL - LAX

STLLAX

Lambert-St Louis

Sat 7/19

2:52 pm-9:36 pm

1 stop8h 44m

Los Angeles

Tue 7/22

6:15 am-9:11 am

1 stop24h 56m

$275

St. LouisLos Angeles

STL - LAX

STLLAX

Lambert-St Louis

Mon 7/28

2:37 pm-7:52 pm

1 stop7h 15m

Los Angeles

Fri 8/1

9:28 pm-1:59 pm

1 stop14h 31m

$276

St. LouisLos Angeles

STL - LAX

STLLAX

Lambert-St Louis

Mon 7/28

2:37 pm-7:52 pm

1 stop7h 15m

Los Angeles

Sun 8/3

3:48 pm-1:42 pm

1 stop19h 54m

$277

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Showing 1-10 of 60 results
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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 4, 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 4, 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

Crew

8.5

Food

7.1

Overall

8.0

Entertainment

7.1

Comfort

7.8

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

Crew

8.5

Food

7.1

Overall

8.0

Entertainment

7.1

Comfort

7.8

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
4,270 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Food

7.1

Overall

8.0

Entertainment

7.1

Comfort

7.8

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
7,970 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Food

7.1

Overall

8.0

Entertainment

7.1

Comfort

7.8

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
8,094 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Food

7.1

Overall

8.0

Entertainment

7.1

Comfort

7.8

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
3,284 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Food

7.1

Overall

8.0

Entertainment

7.1

Comfort

7.8

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

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 July 4, 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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