Cheap flights from St. Louis to Los Angeles from $58

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 2/28. 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

Enter your travel dates to find the best prices.
Frontier Logo
1:54 pm - 12:30 am
STL
-
LAX
12h 36m
1 stop
Frontier Logo
10:59 pm - 5:46 pm
LAX
-
STL
16h 47m
1 stop
$220Frontier
Mon, Feb 23 - Fri, Feb 27
Frontier Logo
8:06 pm - 12:39 pm
STL
-
LAX
18h 33m
1 stop
Frontier Logo
6:15 am - 9:49 am
LAX
-
STL
25h 34m
1 stop
$221Frontier
Tue, Mar 10 - Tue, Mar 17
Frontier Logo
10:11 pm - 8:20 am
STL
-
LAX
12h 09m
1 stop
Frontier Logo
8:57 pm - 9:49 am
LAX
-
STL
10h 52m
1 stop
$222Frontier
Thu, Mar 5 - Sun, Mar 8
Frontier Logo
8:12 pm - 12:16 am
STL
-
LAX
6h 04m
1 stop
Frontier Logo
10:07 pm - 10:32 am
LAX
-
STL
10h 25m
1 stop
$224Frontier
Wed, Mar 18 - Mon, Mar 23
Frontier Logo
10:11 pm - 1:25 pm
STL
-
LAX
17h 14m
1 stop
Frontier Logo
10:45 pm - 6:51 am
LAX
-
STL
30h 06m
1 stop
$225Frontier
Mon, Feb 16 - Mon, Feb 23
Frontier Logo
9:45 pm - 1:25 pm
STL
-
LAX
17h 40m
1 stop
Frontier Logo
6:33 pm - 11:59 pm
LAX
-
STL
27h 26m
2 stops
$226Frontier
Mon, Feb 9 - Wed, Feb 11
Frontier Logo
8:12 pm - 12:16 am
STL
-
LAX
30h 04m
1 stop
Frontier Logo
8:19 pm - 12:15 pm
LAX
-
STL
13h 56m
1 stop
$227Frontier
Mon, Mar 9 - Mon, Mar 16
Multiple Airlines Logo
10:11 pm - 8:15 am
STL
-
LAX
12h 04m
1 stop
Multiple Airlines Logo
7:35 pm - 9:02 pm
LAX
-
STL
23h 27m
1 stop
$229Multiple Airlines
Sun, Mar 1 - Sat, Mar 7
Multiple Airlines Logo
7:52 am - 8:15 am
STL
-
LAX
26h 23m
2 stops
Multiple Airlines Logo
8:57 pm - 9:49 am
LAX
-
STL
10h 52m
1 stop
$230Multiple Airlines
Sun, Mar 8 - Sun, Mar 15
Frontier Logo
5:18 pm - 1:42 pm
STL
-
LAX
22h 24m
1 stop
Frontier Logo
10:40 pm - 6:02 am
LAX
-
STL
29h 22m
1 stop
$231Frontier
Wed, Mar 4 - Sat, Mar 7

Frontier flights from St. Louis to Los Angeles

Our best Frontier deals on St. Louis to Los Angeles flight tickets
Frontier
Feb 23
STL1:54 pmLambert-St Louis
12h 36m
1 stop
LAX12:30 amLos Angeles
Feb 27
LAX10:59 pmLos Angeles
16h 47m
1 stop
STL5:46 pmLambert-St Louis
$220
Frontier
Mar 10
STL8:06 pmLambert-St Louis
18h 33m
1 stop
LAX12:39 pmLos Angeles
Mar 17
LAX6:15 amLos Angeles
25h 34m
1 stop
STL9:49 amLambert-St Louis
$221
Frontier
Mar 5
STL10:11 pmLambert-St Louis
12h 09m
1 stop
LAX8:20 amLos Angeles
Mar 8
LAX8:57 pmLos Angeles
10h 52m
1 stop
STL9:49 amLambert-St Louis
$222

American Airlines flights from St. Louis to Los Angeles

Our best American Airlines deals on St. Louis to Los Angeles flight tickets
American Airlines
Feb 7
STL7:04 amLambert-St Louis
4h 16m
LAX9:20 amLos Angeles
Feb 9
LAX6:21 pmLos Angeles
3h 38m
STL11:59 pmLambert-St Louis
$339
American Airlines
Feb 7
STL7:04 amLambert-St Louis
4h 16m
LAX9:20 amLos Angeles
Feb 14
LAX12:35 amLos Angeles
6h 20m
1 stop
STL8:55 amLambert-St Louis
$349

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 January 27, 2026.
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

Mon 2/23

1:54 pm-12:30 am

1 stop12h 36m

Los Angeles

Fri 2/27

10:59 pm-5:46 pm

1 stop16h 47m

$220

St. LouisLos Angeles

STL - LAX

STLLAX

Lambert-St Louis

Tue 3/10

8:06 pm-12:39 pm

1 stop18h 33m

Los Angeles

Tue 3/17

6:15 am-9:49 am

1 stop25h 34m

$221

St. LouisLos Angeles

STL - LAX

STLLAX

Lambert-St Louis

Thu 3/5

10:11 pm-8:20 am

1 stop12h 09m

Los Angeles

Sun 3/8

8:57 pm-9:49 am

1 stop10h 52m

$222

St. LouisLos Angeles

STL - LAX

STLLAX

Lambert-St Louis

Wed 3/18

8:12 pm-12:16 am

1 stop6h 04m

Los Angeles

Mon 3/23

10:07 pm-10:32 am

1 stop10h 25m

$224

St. LouisLos Angeles

STL - LAX

STLLAX

Lambert-St Louis

Mon 2/16

10:11 pm-1:25 pm

1 stop17h 14m

Los Angeles

Mon 2/23

10:45 pm-6:51 am

1 stop30h 06m

$225

St. LouisLos Angeles

STL - LAX

STLLAX

Lambert-St Louis

Mon 2/9

9:45 pm-1:25 pm

1 stop17h 40m

Los Angeles

Wed 2/11

6:33 pm-11:59 pm

2 stops27h 26m

$226

St. LouisLos Angeles

STL - LAX

STLLAX

Lambert-St Louis

Mon 3/9

8:12 pm-12:16 am

1 stop30h 04m

Los Angeles

Mon 3/16

8:19 pm-12:15 pm

1 stop13h 56m

$227

St. LouisLos Angeles

STL - LAX

STLLAX

Lambert-St Louis

Sun 3/1

10:11 pm-8:15 am

1 stop12h 04m

Los Angeles

Sat 3/7

7:35 pm-9:02 pm

1 stop23h 27m

$229

St. LouisLos Angeles

STL - LAX

STLLAX

Lambert-St Louis

Sun 3/8

7:52 am-8:15 am

2 stops26h 23m

Los Angeles

Sun 3/15

8:57 pm-9:49 am

1 stop10h 52m

$230

St. LouisLos Angeles

STL - LAX

STLLAX

Lambert-St Louis

Wed 3/4

5:18 pm-1:42 pm

1 stop22h 24m

Los Angeles

Sat 3/7

10:40 pm-6:02 am

1 stop29h 22m

$231

Flights are sorted by cheapest round-trip flights 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 October instead. Flights to Los Angeles in October, while not as cheap as those in September, still average around $314.

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

Our data shows that Thursday is the least expensive day to fly to Los Angeles. Tickets to fly out on this day can be as low as $428. 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 $624.

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 in the afternoon. Flights from St. Louis to Los Angeles during this time can be as low as $338. In the morning is when there is more demand to fly to Los Angeles, so prices are often more expensive at around $524 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 $376 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 $309 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 14% 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 January 2026, prices for St. Louis to Los Angeles flights are approximately 48% more expensive 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

$267

Fastest flight time

3h 50m

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 $267. The best round-trip flight deal from St. Louis to Los Angeles found on momondo in the last 72 hours is $355.
The fastest flight from St. Louis to Los Angeles takes 3h 50m
Direct flights go from St. Louis to Los Angeles every day.
There is 1 airport in Los Angeles. From St. Louis there are direct flights to Los Angeles (LAX).
  • 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 3h 50m 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 $127Free CancellationRating
5.7
3,056 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $172Free CancellationRating
6.3
8,384 reviews
Search Spirit Airlines flights
DeltaPriceFrom $256Free CancellationRating
7.9
8,119 reviews
Search Delta flights
SouthwestPriceFrom $263Free CancellationRating
8.0
4,268 reviews
Search Southwest flights
United AirlinesPriceFrom $279Free CancellationRating
7.4
9,205 reviews
Search United Airlines flights
American AirlinesPriceFrom $295Free CancellationRating
7.2
11,197 reviews
Search American Airlines flights
Alaska AirlinesPriceFrom $296Free CancellationRating
8.0
11,795 reviews
Search Alaska Airlines flights
JetBluePriceFrom $304Free CancellationRating
7.2
2,890 reviews
Search JetBlue flights
  • Southwest Flights From St. Louis to Los Angeles

    Southwest operates around 7 flights from St. Louis to Los Angeles every week. The average price of these flights found in the last 72 hours has been $382, but momondo users have found Southwest deals from St. Louis to Los Angeles from as low as $263 round-trip. Southwest has been scored 8.0/10 in 4,268 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 $500. Alaska Airlines operates 7 flights to Los Angeles from St. Louis in an average week. Users have rated it 8.0/10 across 11,795 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
San Clemente
Huntington Beach
Pasadena
Newport Beach
Orange
Ventura
Irvine
Buena Park
Downey
Rancho Cucamonga

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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1 adult
Thu 2/26
Thu 3/5

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