Cheap flights from St. Louis to Los Angeles from $65

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 2/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from St. Louis to Los Angeles

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
3:49 pm - 7:06 am
STL
-
LAX
41h 17m
2 stops
Frontier Logo
2:31 pm - 3:53 pm
LAX
-
STL
23h 22m
1 stop
$229Frontier
Tue, Feb 17 - Tue, Feb 24
Frontier Logo
1:54 pm - 12:30 am
STL
-
LAX
12h 36m
1 stop
Frontier Logo
9:16 pm - 9:26 pm
LAX
-
STL
22h 10m
1 stop
$231Frontier
Mon, Feb 16 - Thu, Feb 26
Frontier Logo
3:28 pm - 9:15 pm
STL
-
LAX
7h 47m
1 stop
Frontier Logo
6:33 pm - 11:59 pm
LAX
-
STL
27h 26m
2 stops
$232Frontier
Wed, Feb 11 - Wed, Feb 18
Frontier Logo
2:51 pm - 12:30 am
STL
-
LAX
11h 39m
1 stop
Frontier Logo
2:37 pm - 10:02 pm
LAX
-
STL
5h 25m
1 stop
$233Frontier
Sat, Feb 28 - Sun, Mar 8
Frontier Logo
10:01 pm - 5:05 pm
STL
-
LAX
21h 04m
1 stop
Frontier Logo
7:55 pm - 12:50 pm
LAX
-
STL
14h 55m
1 stop
$236Frontier
Thu, Feb 5 - Sun, Feb 8
Frontier Logo
10:11 pm - 5:38 pm
STL
-
LAX
21h 27m
1 stop
Frontier Logo
12:56 pm - 8:02 pm
LAX
-
STL
5h 06m
1 stop
$237Frontier
Fri, Feb 20 - Mon, Feb 23
Multiple Airlines Logo
10:01 pm - 9:27 am
STL
-
LAX
13h 26m
1 stop
Multiple Airlines Logo
11:59 pm - 6:51 am
LAX
-
STL
52h 52m
2 stops
$238Multiple Airlines
Thu, Feb 5 - Sun, Feb 8
Frontier Logo
10:11 pm - 6:49 am
STL
-
LAX
10h 38m
1 stop
Frontier Logo
9:09 pm - 7:52 pm
LAX
-
STL
20h 43m
2 stops
$239Frontier
Thu, Feb 26 - Sun, Mar 1
Multiple Airlines Logo
3:28 pm - 9:15 pm
STL
-
LAX
7h 47m
1 stop
Multiple Airlines Logo
11:59 pm - 6:51 am
LAX
-
STL
52h 52m
2 stops
$241Multiple Airlines
Wed, Feb 11 - Sun, Feb 15
Frontier Logo
3:46 pm - 11:31 pm
STL
-
LAX
9h 45m
1 stop
Frontier Logo
1:56 pm - 2:46 pm
LAX
-
STL
22h 50m
1 stop
$242Frontier
Wed, Jan 28 - Tue, Feb 3

Frontier flights from St. Louis to Los Angeles

Our best Frontier deals on St. Louis to Los Angeles flight tickets
Frontier
Feb 17
STL3:49 pmLambert-St Louis
41h 17m
2 stops
LAX7:06 amLos Angeles
Feb 24
LAX2:31 pmLos Angeles
23h 22m
1 stop
STL3:53 pmLambert-St Louis
$229
Frontier
Feb 16
STL1:54 pmLambert-St Louis
12h 36m
1 stop
LAX12:30 amLos Angeles
Feb 26
LAX9:16 pmLos Angeles
22h 10m
1 stop
STL9:26 pmLambert-St Louis
$231
Frontier
Feb 11
STL3:28 pmLambert-St Louis
7h 47m
1 stop
LAX9:15 pmLos Angeles
Feb 18
LAX6:33 pmLos Angeles
27h 26m
2 stops
STL11:59 pmLambert-St Louis
$232

Southwest flights from St. Louis to Los Angeles

Our best Southwest deals on St. Louis to Los Angeles flight tickets
Southwest
Jan 20
STL2:35 pmLambert-St Louis
8h 35m
1 stop
LAX9:10 pmLos Angeles
Jan 21
LAX7:00 amLos Angeles
8h 05m
1 stop
STL5:05 pmLambert-St Louis
$433
Southwest
Jan 20
STL5:55 pmLambert-St Louis
7h 45m
1 stop
LAX11:40 pmLos Angeles
Jan 21
LAX8:45 amLos Angeles
6h 25m
2 stops
STL5:10 pmLambert-St Louis
$438
Southwest
Jan 22
STL5:50 pmLambert-St Louis
7h 35m
1 stop
LAX11:25 pmLos Angeles
Jan 28
LAX6:50 amLos Angeles
8h 00m
2 stops
STL4:50 pmLambert-St Louis
$440

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 15, 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

Tue 2/17

3:49 pm-7:06 am

2 stops41h 17m

Los Angeles

Tue 2/24

2:31 pm-3:53 pm

1 stop23h 22m

$229

St. LouisLos Angeles

STL - LAX

STLLAX

Lambert-St Louis

Mon 2/16

1:54 pm-12:30 am

1 stop12h 36m

Los Angeles

Thu 2/26

9:16 pm-9:26 pm

1 stop22h 10m

$231

St. LouisLos Angeles

STL - LAX

STLLAX

Lambert-St Louis

Wed 2/11

3:28 pm-9:15 pm

1 stop7h 47m

Los Angeles

Wed 2/18

6:33 pm-11:59 pm

2 stops27h 26m

$232

St. LouisLos Angeles

STL - LAX

STLLAX

Lambert-St Louis

Sat 2/28

2:51 pm-12:30 am

1 stop11h 39m

Los Angeles

Sun 3/8

2:37 pm-10:02 pm

1 stop5h 25m

$233

St. LouisLos Angeles

STL - LAX

STLLAX

Lambert-St Louis

Thu 2/5

10:01 pm-5:05 pm

1 stop21h 04m

Los Angeles

Sun 2/8

7:55 pm-12:50 pm

1 stop14h 55m

$236

St. LouisLos Angeles

STL - LAX

STLLAX

Lambert-St Louis

Fri 2/20

10:11 pm-5:38 pm

1 stop21h 27m

Los Angeles

Mon 2/23

12:56 pm-8:02 pm

1 stop5h 06m

$237

St. LouisLos Angeles

STL - LAX

STLLAX

Lambert-St Louis

Thu 2/5

10:01 pm-9:27 am

1 stop13h 26m

Los Angeles

Sun 2/8

11:59 pm-6:51 am

2 stops52h 52m

$238

St. LouisLos Angeles

STL - LAX

STLLAX

Lambert-St Louis

Thu 2/26

10:11 pm-6:49 am

1 stop10h 38m

Los Angeles

Sun 3/1

9:09 pm-7:52 pm

2 stops20h 43m

$239

St. LouisLos Angeles

STL - LAX

STLLAX

Lambert-St Louis

Wed 2/11

3:28 pm-9:15 pm

1 stop7h 47m

Los Angeles

Sun 2/15

11:59 pm-6:51 am

2 stops52h 52m

$241

St. LouisLos Angeles

STL - LAX

STLLAX

Lambert-St Louis

Wed 1/28

3:46 pm-11:31 pm

1 stop9h 45m

Los Angeles

Tue 2/3

1:56 pm-2:46 pm

1 stop22h 50m

$242

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 $310.

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 $444. 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 $600.

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 $358. In the morning is when there is more demand to fly to Los Angeles, so prices are often more expensive at around $535 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 $375 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 $301 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 32% 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

$264

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 $264. The best round-trip flight deal from St. Louis to Los Angeles found on momondo in the last 72 hours is $372.
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 $110Free CancellationRating
5.7
3,057 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $172Free CancellationRating
6.3
8,320 reviews
Search Spirit Airlines flights
DeltaPriceFrom $256Free CancellationRating
7.9
8,050 reviews
Search Delta flights
SouthwestPriceFrom $261Free CancellationRating
8.0
4,258 reviews
Search Southwest flights
United AirlinesPriceFrom $279Free CancellationRating
7.4
9,164 reviews
Search United Airlines flights
American AirlinesPriceFrom $295Free CancellationRating
7.2
11,135 reviews
Search American Airlines flights
Alaska AirlinesPriceFrom $296Free CancellationRating
8.0
11,721 reviews
Search Alaska Airlines flights
JetBluePriceFrom $304Free CancellationRating
7.2
2,887 reviews
Search JetBlue flights
  • Southwest Flights From St. Louis to Los Angeles

    Southwest operates around 4 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 $261 round-trip. Southwest has been scored 8.0/10 in 4,258 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 $469. Alaska Airlines operates 7 flights to Los Angeles from St. Louis in an average week. Users have rated it 8.0/10 across 11,721 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
Buena Park
Irvine
Downey
Redondo Beach

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

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 2/14
Sat 2/21

Find better results for your trip to the United States