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Cheap flights from St. Louis to Los Angeles from $113

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Los Angeles departing on 1/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

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Frontier Logo
12:01 pm - 7:47 pmSTL-LAX
9h 46m1 stop
Frontier Logo
7:24 pm - 6:58 pmLAX-STL
21h 34m2 stops
$196Frontier
Find Deal
Fri, Nov 21 - Mon, Nov 24
Frontier Logo
3:30 pm - 7:42 amSTL-LAX
42h 12m2 stops
Frontier Logo
8:56 pm - 11:22 amLAX-STL
12h 26m1 stop
$197Frontier
Find Deal
Tue, Dec 9 - Sun, Dec 14
Multiple Airlines Logo
9:54 pm - 9:59 amSTL-LAX
14h 05m1 stop
Multiple Airlines Logo
11:44 pm - 11:07 amLAX-STL
33h 23m2 stops
$198Multiple Airlines
Find Deal
Thu, Nov 27 - Tue, Dec 2
Frontier Logo
1:16 pm - 8:05 pmSTL-LAX
8h 49m1 stop
Frontier Logo
6:40 am - 8:59 amLAX-STL
24h 19m2 stops
$199Frontier
Find Deal
Thu, Dec 4 - Sun, Dec 7
Frontier Logo
7:43 pm - 7:42 amSTL-LAX
13h 59m1 stop
Frontier Logo
3:30 pm - 9:25 pmLAX-STL
27h 55m1 stop
$200Frontier
Find Deal
Sat, Dec 13 - Sat, Dec 20
Frontier Logo
8:52 pm - 1:22 pmSTL-LAX
18h 30m1 stop
Frontier Logo
1:11 pm - 9:25 pmLAX-STL
6h 14m1 stop
$203Frontier
Find Deal
Mon, Dec 22 - Mon, Dec 29
Multiple Airlines Logo
7:57 pm - 12:09 amSTL-LAX
6h 12m1 stop
Multiple Airlines Logo
9:54 pm - 10:02 amLAX-STL
10h 08m2 stops
$204Multiple Airlines
Find Deal
Tue, Nov 25 - Sun, Nov 30
Southwest Logo
6:35 pm - 8:40 pmSTL-LAX
4h 05mnonstop
Southwest Logo
7:35 am - 1:10 pmLAX-STL
3h 35mnonstop
$243Southwest
Find Deal
Tue, Dec 9 - Tue, Dec 16
Southwest Logo
10:15 am - 12:25 pmSTL-LAX
4h 10mnonstop
Southwest Logo
10:50 am - 8:05 pmLAX-STL
7h 15m1 stop
$253Southwest
Find Deal
Tue, Dec 9 - Tue, Dec 16
Southwest Logo
10:15 am - 12:25 pmSTL-LAX
4h 10mnonstop
Southwest Logo
8:35 am - 5:15 pmLAX-STL
6h 40m2 stops
$254Southwest
Find Deal
Tue, Dec 9 - Tue, Dec 16

Frontier flights from St. Louis to Los Angeles

Our best Frontier deals on St. Louis to Los Angeles flight tickets
Frontier
Nov 17
STL9:07 pmLambert-St Louis
24h 46m
1 stop
LAX7:53 pmLos Angeles
Nov 20
LAX6:23 pmLos Angeles
13h 39m
2 stops
STL10:02 amLambert-St Louis
$192
Find similar
Frontier
Nov 21
STL12:01 pmLambert-St Louis
9h 46m
1 stop
LAX7:47 pmLos Angeles
Nov 24
LAX7:24 pmLos Angeles
21h 34m
2 stops
STL6:58 pmLambert-St Louis
$196
Find similar
Frontier
Dec 9
STL3:30 pmLambert-St Louis
42h 12m
2 stops
LAX7:42 amLos Angeles
Dec 14
LAX8:56 pmLos Angeles
12h 26m
1 stop
STL11:22 amLambert-St Louis
$197
Find similar

Southwest flights from St. Louis to Los Angeles

Our best Southwest deals on St. Louis to Los Angeles flight tickets
Southwest
Dec 9
STL6:35 pmLambert-St Louis
4h 05m
LAX8:40 pmLos Angeles
Dec 16
LAX7:35 amLos Angeles
3h 35m
STL1:10 pmLambert-St Louis
$243
Find similar
Southwest
Dec 9
STL10:15 amLambert-St Louis
4h 10m
LAX12:25 pmLos Angeles
Dec 16
LAX10:50 amLos Angeles
7h 15m
1 stop
STL8:05 pmLambert-St Louis
$253
Find similar
Southwest
Dec 9
STL10:15 amLambert-St Louis
4h 10m
LAX12:25 pmLos Angeles
Dec 16
LAX8:35 amLos Angeles
6h 40m
2 stops
STL5:15 pmLambert-St Louis
$254
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated November 5, 2025.
Use the filters below to find and compare flights from St. Louis to Los Angeles that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisLos Angeles

STL - LAX

STLLAX

Lambert-St Louis

Fri 11/21

12:01 pm-7:47 pm

1 stop9h 46m

Los Angeles

Mon 11/24

7:24 pm-6:58 pm

2 stops21h 34m

$196

St. LouisLos Angeles

STL - LAX

STLLAX

Lambert-St Louis

Tue 12/9

3:30 pm-7:42 am

2 stops42h 12m

Los Angeles

Sun 12/14

8:56 pm-11:22 am

1 stop12h 26m

$197

St. LouisLos Angeles

STL - LAX

STLLAX

Lambert-St Louis

Thu 11/27

9:54 pm-9:59 am

1 stop14h 05m

Los Angeles

Tue 12/2

11:44 pm-11:07 am

2 stops33h 23m

$198

St. LouisLos Angeles

STL - LAX

STLLAX

Lambert-St Louis

Thu 12/4

1:16 pm-8:05 pm

1 stop8h 49m

Los Angeles

Sun 12/7

6:40 am-8:59 am

2 stops24h 19m

$199

St. LouisLos Angeles

STL - LAX

STLLAX

Lambert-St Louis

Sat 12/13

7:43 pm-7:42 am

1 stop13h 59m

Los Angeles

Sat 12/20

3:30 pm-9:25 pm

1 stop27h 55m

$200

St. LouisLos Angeles

STL - LAX

STLLAX

Lambert-St Louis

Mon 12/22

8:52 pm-1:22 pm

1 stop18h 30m

Los Angeles

Mon 12/29

1:11 pm-9:25 pm

1 stop6h 14m

$203

St. LouisLos Angeles

STL - LAX

STLLAX

Lambert-St Louis

Tue 11/25

7:57 pm-12:09 am

1 stop6h 12m

Los Angeles

Sun 11/30

9:54 pm-10:02 am

2 stops10h 08m

$204

St. LouisLos Angeles

STL - LAX

STLLAX

Lambert-St Louis

Tue 12/9

6:35 pm-8:40 pm

Nonstop4h 05m

Los Angeles

Tue 12/16

7:35 am-1:10 pm

Nonstop3h 35m

$243

St. LouisLos Angeles

STL - LAX

STLLAX

Lambert-St Louis

Tue 12/9

10:15 am-12:25 pm

Nonstop4h 10m

Los Angeles

Tue 12/16

10:50 am-8:05 pm

1 stop7h 15m

$253

St. LouisLos Angeles

STL - LAX

STLLAX

Lambert-St Louis

Tue 12/9

10:15 am-12:25 pm

Nonstop4h 10m

Los Angeles

Tue 12/16

8:35 am-5:15 pm

2 stops6h 40m

$254

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Los Angeles from

How to get the cheapest flight ticket from St. Louis to Los Angeles

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Los Angeles?

The month of September is, on average, the cheapest month to fly to Los Angeles from St. Louis, with most prices found around $310. If you aren’t able to travel during the month of September, then book flights to Los Angeles from St. Louis during January instead. Flights to Los Angeles in January, while not as cheap as those in September, still average around $359.

What is the cheapest day to depart on your flight to Los Angeles?

Our data shows that Wednesday is the least expensive day to fly to Los Angeles. Tickets to fly out on this day can be as low as $454. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to Los Angeles on Monday is $626.

What is the cheapest time of day to depart on your flight to Los Angeles?

Our most recent data shows that the best time of day to fly to Los Angeles is at noon. Flights from St. Louis to Los Angeles during this time can be as low as $365. In the morning is when there is more demand to fly to Los Angeles, so prices are often more expensive at around $545 per ticket.

What is the cheapest Lambert-St Louis to Los Angeles flight route?

Fly from Lambert-St Louis to Los Angeles for the best Lambert-St Louis - Los Angeles flight prices

How far in advance should I book a flight to Los Angeles?

You are more likely to see cheaper flights to Los Angeles from St. Louis when booking weeks ahead of your departure date. In general, you can expect to find flights to Los Angeles for around $389 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Los Angeles from St. Louis for as low as $323 on momondo.

What cabin class options are available on Lambert-St Louis to Los Angeles flights?

There are 4 cabin classes available to choose from on Lambert-St Louis to Los Angeles flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on St. Louis to Los Angeles flights?

You could potentially save up to 13% on your flight if you consider stops on a St. Louis to Los Angeles flight.

How have St. Louis to Los Angeles flight prices changed over time?

As of November 2025, prices for St. Louis to Los Angeles flights are approximately 28% cheaper when compared to flights at the same time last year.

When to book flights from St. Louis to Los Angeles

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to Los Angeles according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap St. Louis to Los Angeles (STL to LAX) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Los Angeles

Best Price Found

$172

Fastest flight time

4h 05m

Direct flights

Every day

Airports in Los Angeles

1 airport
The best one-way flight to Los Angeles from St. Louis in the past 72 hours is $172. The best round-trip flight deal from St. Louis to Los Angeles found on momondo in the last 72 hours is $342.
The fastest flight from St. Louis to Los Angeles takes 4h 05m
Direct flights go from St. Louis to Los Angeles every day.
There is 1 airport near Los Angeles: Los Angeles (LAX)
Search flight deals

  • How far is Lambert-St Louis to Los Angeles by plane?

    The distance between Lambert-St Louis and Los Angeles is about 1588.8 mi. Typically, this will take 4h 05m by plane in normal conditions.

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Los Angeles Airport?

    Prices for flights from Lambert-St Louis Airport to Los Angeles Airport were last updated today.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Los Angeles Airport?

  • How old do you have to be to fly from Lambert-St Louis Airport to Los Angeles Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Los Angeles Airport.

  • What documentation or ID do you need to fly to Los Angeles Airport?

    The necessary travel and health documents for your Los Angeles Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from St. Louis to Los Angeles?

  • What is the most popular airline from St. Louis to Los Angeles?

Best airlines flying from St. Louis to Los Angeles

Compare and see reviews for airlines that fly from St. Louis to Los Angeles with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $94Free CancellationRating
5.8
3,115 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $172Free CancellationRating
6.3
8,113 reviews
Search Spirit Airlines flights
DeltaPriceFrom $256Free CancellationRating
7.9
8,004 reviews
Search Delta flights
SouthwestPriceFrom $262Free CancellationRating
8.0
4,239 reviews
Search Southwest flights
United AirlinesPriceFrom $279Free CancellationRating
7.4
9,001 reviews
Search United Airlines flights
American AirlinesPriceFrom $296Free CancellationRating
7.2
11,039 reviews
Search American Airlines flights
Alaska AirlinesPriceFrom $296Free CancellationRating
8.0
11,241 reviews
Search Alaska Airlines flights

  • Southwest Flights From St. Louis to Los Angeles

    Southwest operates around 6 flights from St. Louis to Los Angeles every week. The average price of these flights found in the last 72 hours has been $388, but momondo users have found Southwest deals from St. Louis to Los Angeles from as low as $262 round-trip. Southwest has been scored 8.0/10 in 4,239 reviews.

  • Alaska Airlines Flights From St. Louis to Los Angeles

    Alaska Airlines is also a popular choice for this route. Alaska Airlines flight deals for St. Louis to Los Angeles start from as low as $296 round-trip, depending on your selected dates, with average Alaska Airlines deals seen on momondo around $531. Alaska Airlines operates 5 flights to Los Angeles from St. Louis in an average week. Users have rated it 8.0/10 across 11,241 reviews.

Traveling to a place near Los Angeles?

Book flights to Los Angeles if you plan to visit one of these locations
Avalon
Laguna Beach
Big Bear Lake
Temecula
Big Bear
Riverside
Carlsbad
Malibu
Oceanside
Inglewood
Huntington Beach
Pasadena
Newport Beach
Ventura
Irvine
Buena Park
Redondo Beach
Orange
Glendale
Beverly Hills

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Los Angeles?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from St. Louis to Los Angeles. momondo saves you time and could save you money on your trip.

Can I find flights from St. Louis to Los Angeles with flexible booking policies on momondo?

Flights from St. Louis to Los Angeles with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from St. Louis to Los Angeles?

Once all potential St. Louis to Los Angeles flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from St. Louis to Los Angeles right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Los Angeles, momondo offers a useful price alert feature which will track prices for flights to Los Angeles from St. Louis and alert you when they change.

An easier way to manage your Los Angeles trip

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