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Cheap flights from St. Louis to Los Angeles from $95

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 10/18. 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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Find the cheapest flights from St. Louis to Los Angeles

Cheap round-trip flights

Frontier Logo
10:17 am - 12:23 pmSTL-LAX
28h 06m1 stop
Frontier Logo
9:17 pm - 9:07 amLAX-STL
9h 50m1 stop
$176Frontier
Find Deal
Thu, Oct 16 - Mon, Oct 20
Frontier Logo
8:40 pm - 12:25 amSTL-LAX
5h 45m1 stop
Frontier Logo
11:56 am - 8:12 pmLAX-STL
6h 16m1 stop
$182Frontier
Find Deal
Fri, Oct 31 - Mon, Nov 3
Frontier Logo
4:00 pm - 9:45 pmSTL-LAX
7h 45m1 stop
Frontier Logo
10:45 pm - 3:04 pmLAX-STL
14h 19m1 stop
$183Frontier
Find Deal
Thu, Sep 25 - Sun, Sep 28
Frontier Logo
7:55 pm - 5:18 pmSTL-LAX
23h 23m1 stop
Frontier Logo
2:03 pm - 9:07 amLAX-STL
17h 04m1 stop
$184Frontier
Find Deal
Sat, Oct 4 - Mon, Oct 6
Frontier Logo
7:55 pm - 12:27 amSTL-LAX
6h 32m1 stop
Frontier Logo
3:48 pm - 9:07 amLAX-STL
15h 19m2 stops
$189Frontier
Find Deal
Fri, Oct 3 - Tue, Oct 7
Multiple Airlines Logo
7:55 pm - 12:27 amSTL-LAX
6h 32m1 stop
Multiple Airlines Logo
7:50 pm - 9:06 amLAX-STL
11h 16m2 stops
$190Multiple Airlines
Find Deal
Fri, Oct 3 - Sat, Oct 4
Frontier Logo
7:55 pm - 12:27 amSTL-LAX
6h 32m1 stop
Frontier Logo
3:48 pm - 9:07 amLAX-STL
15h 19m2 stops
$191Frontier
Find Deal
Wed, Oct 1 - Tue, Oct 7
Frontier Logo
7:55 pm - 7:31 amSTL-LAX
13h 36m2 stops
Frontier Logo
9:03 pm - 9:07 amLAX-STL
10h 04m1 stop
$192Frontier
Find Deal
Fri, Oct 3 - Mon, Oct 6
Multiple Airlines Logo
2:38 pm - 7:52 pmSTL-LAX
7h 14m1 stop
Multiple Airlines Logo
12:53 am - 9:54 amLAX-STL
7h 01m1 stop
$195Multiple Airlines
Find Deal
Mon, Sep 29 - Sat, Oct 4
Multiple Airlines Logo
7:52 pm - 12:25 amSTL-LAX
6h 33m1 stop
Multiple Airlines Logo
12:53 am - 9:22 amLAX-STL
6h 29m1 stop
$196Multiple Airlines
Find Deal
Thu, Oct 23 - Sat, Oct 25

Frontier flights from St. Louis to Los Angeles

Our best Frontier deals on St. Louis to Los Angeles flight tickets
Frontier
Oct 16
STL10:17 amLambert-St Louis
28h 06m
1 stop
LAX12:23 pmLos Angeles
Oct 20
LAX9:17 pmLos Angeles
9h 50m
1 stop
STL9:07 amLambert-St Louis
$176
Find similar
Frontier
Oct 31
STL8:40 pmLambert-St Louis
5h 45m
1 stop
LAX12:25 amLos Angeles
Nov 3
LAX11:56 amLos Angeles
6h 16m
1 stop
STL8:12 pmLambert-St Louis
$182
Find similar
Frontier
Sep 25
STL4:00 pmLambert-St Louis
7h 45m
1 stop
LAX9:45 pmLos Angeles
Sep 28
LAX10:45 pmLos Angeles
14h 19m
1 stop
STL3:04 pmLambert-St Louis
$183
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 September 16, 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

Thu 10/16

10:17 am-12:23 pm

1 stop28h 06m

Los Angeles

Mon 10/20

9:17 pm-9:07 am

1 stop9h 50m

$176

St. LouisLos Angeles

STL - LAX

STLLAX

Lambert-St Louis

Fri 10/31

8:40 pm-12:25 am

1 stop5h 45m

Los Angeles

Mon 11/3

11:56 am-8:12 pm

1 stop6h 16m

$182

St. LouisLos Angeles

STL - LAX

STLLAX

Lambert-St Louis

Thu 9/25

4:00 pm-9:45 pm

1 stop7h 45m

Los Angeles

Sun 9/28

10:45 pm-3:04 pm

1 stop14h 19m

$183

St. LouisLos Angeles

STL - LAX

STLLAX

Lambert-St Louis

Sat 10/4

7:55 pm-5:18 pm

1 stop23h 23m

Los Angeles

Mon 10/6

2:03 pm-9:07 am

1 stop17h 04m

$184

St. LouisLos Angeles

STL - LAX

STLLAX

Lambert-St Louis

Fri 10/3

7:55 pm-12:27 am

1 stop6h 32m

Los Angeles

Tue 10/7

3:48 pm-9:07 am

2 stops15h 19m

$189

St. LouisLos Angeles

STL - LAX

STLLAX

Lambert-St Louis

Fri 10/3

7:55 pm-12:27 am

1 stop6h 32m

Los Angeles

Sat 10/4

7:50 pm-9:06 am

2 stops11h 16m

$190

St. LouisLos Angeles

STL - LAX

STLLAX

Lambert-St Louis

Wed 10/1

7:55 pm-12:27 am

1 stop6h 32m

Los Angeles

Tue 10/7

3:48 pm-9:07 am

2 stops15h 19m

$191

St. LouisLos Angeles

STL - LAX

STLLAX

Lambert-St Louis

Fri 10/3

7:55 pm-7:31 am

2 stops13h 36m

Los Angeles

Mon 10/6

9:03 pm-9:07 am

1 stop10h 04m

$192

St. LouisLos Angeles

STL - LAX

STLLAX

Lambert-St Louis

Mon 9/29

2:38 pm-7:52 pm

1 stop7h 14m

Los Angeles

Sat 10/4

12:53 am-9:54 am

1 stop7h 01m

$195

St. LouisLos Angeles

STL - LAX

STLLAX

Lambert-St Louis

Thu 10/23

7:52 pm-12:25 am

1 stop6h 33m

Los Angeles

Sat 10/25

12:53 am-9:22 am

1 stop6h 29m

$196

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 $311. 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 $365.

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 $470. 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 $621.

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 $334. In the morning is when there is more demand to fly to Los Angeles, so prices are often more expensive at around $540 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 $394 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 $302 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 18% 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 September 2025, prices for St. Louis to Los Angeles flights are approximately 42% 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

$162

Fastest flight time

3h 48m

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 $162. The best round-trip flight deal from St. Louis to Los Angeles found on momondo in the last 72 hours is $360.
The fastest flight from St. Louis to Los Angeles takes 3h 48m
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 5h 36m 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 $95Free CancellationRating
5.8
3,174 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $172Free CancellationRating
6.3
8,019 reviews
Search Spirit Airlines flights
DeltaPriceFrom $256Free CancellationRating
7.9
7,957 reviews
Search Delta flights
SouthwestPriceFrom $273Free CancellationRating
8.0
4,242 reviews
Search Southwest flights
Alaska AirlinesPriceFrom $296Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $296Free CancellationRating
7.4
8,924 reviews
Search United Airlines flights
American AirlinesPriceFrom $300Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

  • Southwest Flights From St. Louis to Los Angeles

    Southwest operates around 10 flights from St. Louis to Los Angeles every week. The average price of these flights found in the last 72 hours has been $397, but momondo users have found Southwest deals from St. Louis to Los Angeles from as low as $273 round-trip. Southwest has been scored 8.0/10 in 4,242 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 $547. Alaska Airlines operates 5 flights to Los Angeles from St. Louis in an average week. Users have rated it 8.0/10 across 10,000 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
Carlsbad
Riverside
Malibu
Oceanside
Inglewood
Huntington Beach
Newport Beach
Pasadena
Ventura
Irvine
Buena Park
Redondo Beach
Glendale
Orange
Garden Grove

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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