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Cheap flights from St. Louis to Los Angeles from $115

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 2/4. 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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0 bags

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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
7:43 pm - 10:39 am
STL
-
LAX
16h 56m2 stops
Frontier Logo
4:33 pm - 10:02 am
LAX
-
STL
15h 29m1 stop
$205Frontier
Mon, Dec 15 - Thu, Jan 8
Frontier Logo
10:10 pm - 12:16 pm
STL
-
LAX
16h 06m1 stop
Frontier Logo
3:25 pm - 10:02 am
LAX
-
STL
16h 37m2 stops
$206Frontier
Sat, Dec 20 - Tue, Jan 6
Multiple Airlines Logo
5:19 pm - 7:18 am
STL
-
LAX
15h 59m1 stop
Multiple Airlines Logo
3:25 pm - 10:02 am
LAX
-
STL
16h 37m2 stops
$207Multiple Airlines
Thu, Dec 18 - Tue, Jan 6
Frontier Logo
10:44 pm - 8:05 pm
STL
-
LAX
23h 21m1 stop
Frontier Logo
9:15 am - 8:07 pm
LAX
-
STL
8h 52m1 stop
$208Frontier
Sun, Dec 14 - Mon, Dec 29
Frontier Logo
10:10 pm - 8:31 pm
STL
-
LAX
24h 21m1 stop
Frontier Logo
9:15 am - 8:07 pm
LAX
-
STL
8h 52m1 stop
$209Frontier
Fri, Dec 19 - Mon, Dec 29
Frontier Logo
5:11 pm - 12:48 pm
STL
-
LAX
45h 37m2 stops
Frontier Logo
4:33 pm - 10:02 am
LAX
-
STL
15h 29m1 stop
$210Frontier
Tue, Jan 6 - Thu, Jan 8
Frontier Logo
1:16 pm - 10:39 am
STL
-
LAX
23h 23m2 stops
Frontier Logo
3:30 pm - 4:24 pm
LAX
-
STL
22h 54m1 stop
$211Frontier
Mon, Dec 15 - Wed, Dec 17
Multiple Airlines Logo
9:03 pm - 9:06 am
STL
-
LAX
14h 03m1 stop
Multiple Airlines Logo
7:07 pm - 6:51 am
LAX
-
STL
33h 44m2 stops
$212Multiple Airlines
Fri, Jan 16 - Mon, Jan 19
Frontier Logo
3:43 pm - 2:05 pm
STL
-
LAX
24h 22m1 stop
Frontier Logo
7:10 am - 2:48 pm
LAX
-
STL
29h 38m1 stop
$213Frontier
Thu, Jan 8 - Tue, Jan 13
Frontier Logo
1:16 pm - 8:05 pm
STL
-
LAX
8h 49m1 stop
Frontier Logo
4:33 pm - 10:02 am
LAX
-
STL
15h 29m1 stop
$214Frontier
Sun, Dec 14 - Fri, Jan 9

Frontier flights from St. Louis to Los Angeles

Our best Frontier deals on St. Louis to Los Angeles flight tickets
Frontier
Dec 15
STL7:43 pmLambert-St Louis
16h 56m
2 stops
LAX10:39 amLos Angeles
Jan 8
LAX4:33 pmLos Angeles
15h 29m
1 stop
STL10:02 amLambert-St Louis
$205
Find similar
Frontier
Dec 20
STL10:10 pmLambert-St Louis
16h 06m
1 stop
LAX12:16 pmLos Angeles
Jan 6
LAX3:25 pmLos Angeles
16h 37m
2 stops
STL10:02 amLambert-St Louis
$206
Find similar
Frontier
Dec 10
STL7:43 pmLambert-St Louis
13h 59m
1 stop
LAX7:42 amLos Angeles
Dec 14
LAX10:24 pmLos Angeles
11h 48m
1 stop
STL12:12 pmLambert-St Louis
$208
Find similar

Southwest flights from St. Louis to Los Angeles

Our best Southwest deals on St. Louis to Los Angeles flight tickets
Southwest
Jan 13
STL10:35 amLambert-St Louis
6h 05m
1 stop
LAX2:40 pmLos Angeles
Jan 15
LAX4:45 pmLos Angeles
5h 00m
1 stop
STL11:45 pmLambert-St Louis
$220
Find similar
Southwest
Feb 5
STL7:45 pmLambert-St Louis
4h 15m
LAX10:00 pmLos Angeles
Feb 9
LAX5:50 amLos Angeles
3h 40m
STL11:30 amLambert-St Louis
$226
Find similar
Southwest
Feb 4
STL6:20 amLambert-St Louis
7h 50m
1 stop
LAX12:10 pmLos Angeles
Feb 7
LAX11:25 amLos Angeles
3h 35m
STL5:00 pmLambert-St Louis
$239
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 December 4, 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

Mon 12/15

7:43 pm-10:39 am

2 stops16h 56m

Los Angeles

Thu 1/8

4:33 pm-10:02 am

1 stop15h 29m

$205

St. LouisLos Angeles

STL - LAX

STLLAX

Lambert-St Louis

Sat 12/20

10:10 pm-12:16 pm

1 stop16h 06m

Los Angeles

Tue 1/6

3:25 pm-10:02 am

2 stops16h 37m

$206

St. LouisLos Angeles

STL - LAX

STLLAX

Lambert-St Louis

Thu 12/18

5:19 pm-7:18 am

1 stop15h 59m

Los Angeles

Tue 1/6

3:25 pm-10:02 am

2 stops16h 37m

$207

St. LouisLos Angeles

STL - LAX

STLLAX

Lambert-St Louis

Sun 12/14

10:44 pm-8:05 pm

1 stop23h 21m

Los Angeles

Mon 12/29

9:15 am-8:07 pm

1 stop8h 52m

$208

St. LouisLos Angeles

STL - LAX

STLLAX

Lambert-St Louis

Fri 12/19

10:10 pm-8:31 pm

1 stop24h 21m

Los Angeles

Mon 12/29

9:15 am-8:07 pm

1 stop8h 52m

$209

St. LouisLos Angeles

STL - LAX

STLLAX

Lambert-St Louis

Tue 1/6

5:11 pm-12:48 pm

2 stops45h 37m

Los Angeles

Thu 1/8

4:33 pm-10:02 am

1 stop15h 29m

$210

St. LouisLos Angeles

STL - LAX

STLLAX

Lambert-St Louis

Mon 12/15

1:16 pm-10:39 am

2 stops23h 23m

Los Angeles

Wed 12/17

3:30 pm-4:24 pm

1 stop22h 54m

$211

St. LouisLos Angeles

STL - LAX

STLLAX

Lambert-St Louis

Fri 1/16

9:03 pm-9:06 am

1 stop14h 03m

Los Angeles

Mon 1/19

7:07 pm-6:51 am

2 stops33h 44m

$212

St. LouisLos Angeles

STL - LAX

STLLAX

Lambert-St Louis

Thu 1/8

3:43 pm-2:05 pm

1 stop24h 22m

Los Angeles

Tue 1/13

7:10 am-2:48 pm

1 stop29h 38m

$213

St. LouisLos Angeles

STL - LAX

STLLAX

Lambert-St Louis

Sun 12/14

1:16 pm-8:05 pm

1 stop8h 49m

Los Angeles

Fri 1/9

4:33 pm-10:02 am

1 stop15h 29m

$214

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 typical price of a round-trip flight between St. Louis and Los Angeles?

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 $442. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Los Angeles on Sunday is $622.

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 $541 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 $381 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 $313 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?

No. A direct flight is the cheapest option for a flight between St. Louis to Los Angeles.

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

As of December 2025, prices for St. Louis to Los Angeles flights are approximately 14% 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

$197

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 $197. The best round-trip flight deal from St. Louis to Los Angeles found on momondo in the last 72 hours is $368.
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 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 15m 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
3,092 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $172Free CancellationRating
6.3
8,158 reviews
Search Spirit Airlines flights
DeltaPriceFrom $256Free CancellationRating
7.9
8,011 reviews
Search Delta flights
SouthwestPriceFrom $263Free CancellationRating
8.0
4,252 reviews
Search Southwest flights
United AirlinesPriceFrom $279Free CancellationRating
7.4
9,064 reviews
Search United Airlines flights
American AirlinesPriceFrom $295Free CancellationRating
7.2
11,043 reviews
Search American Airlines flights
Alaska AirlinesPriceFrom $296Free CancellationRating
8.0
11,396 reviews
Search Alaska 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 $387, 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 4,252 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 $518. Alaska Airlines operates 7 flights to Los Angeles from St. Louis in an average week. Users have rated it 8.0/10 across 11,399 reviews.

Traveling to a place near Los Angeles?

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

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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