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Cheap flights from Los Angeles to St. Louis from $54

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Los Angeles to St. Louis departing on 5/1. 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 Los Angeles to St. Louis

Cheap round-trip flights

These are some of the best round-trip flight deals from Los Angeles to St. Louis that have been recently found on momondo from popular airlines, departing in the coming months.
9:13 pm - 9:16 amLAX-STL
10h 03m1 stop
11:08 pm - 9:40 amSTL-LAX
12h 32m1 stop
$110Frontier
Find Deal
Tue, Feb 18 - Thu, Feb 20
6:30 am - 9:16 amLAX-STL
24h 46m1 stop
5:24 pm - 7:18 pmSTL-LAX
27h 54m1 stop
$117Frontier
Find Deal
Tue, Mar 4 - Tue, Mar 11
5:40 pm - 11:08 pmLAX-STL
3h 28mnonstop
6:10 am - 8:32 amSTL-LAX
4h 22mnonstop
$277American Airlines
Find Deal
Mon, Feb 24 - Mon, Mar 3
3:55 pm - 9:35 pmLAX-STL
3h 40mnonstop
5:05 pm - 9:10 pmSTL-LAX
6h 05m1 stop
$283Southwest
Find Deal
Tue, Apr 29 - Tue, May 20
2:45 pm - 10:10 pmLAX-STL
5h 25m1 stop
9:55 am - 12:15 pmSTL-LAX
4h 20mnonstop
$287Southwest
Find Deal
Wed, Feb 26 - Wed, Mar 5
11:05 am - 9:33 pmLAX-STL
8h 28m1 stop
5:00 pm - 11:59 pmSTL-LAX
8h 59m1 stop
$297Delta
Find Deal
Wed, Mar 5 - Wed, Mar 12
5:40 pm - 11:08 pmLAX-STL
3h 28mnonstop
6:10 am - 8:32 amSTL-LAX
4h 22mnonstop
$302American Airlines
Find Deal
Fri, Feb 28 - Mon, Mar 3
12:55 am - 9:51 amLAX-STL
6h 56m1 stop
10:03 am - 4:42 pmSTL-LAX
8h 39m1 stop
$321United Airlines
Find Deal
Mon, Mar 3 - Tue, Mar 11
12:55 am - 9:51 amLAX-STL
6h 56m1 stop
1:39 pm - 7:33 pmSTL-LAX
7h 54m1 stop
$322United Airlines
Find Deal
Sun, Feb 23 - Thu, Feb 27
12:45 am - 10:23 amLAX-STL
7h 38m1 stop
6:59 pm - 11:48 pmSTL-LAX
6h 49m1 stop
$330Delta
Find Deal
Fri, May 9 - Tue, May 13

Frontier flights from Los Angeles to St. Louis

Our best Frontier deals on Los Angeles to St. Louis flight tickets
Frontier
Feb 18
LAX9:13 pmLos Angeles
10h 03m
1 stop
STL9:16 amLambert-St Louis
Feb 20
STL11:08 pmLambert-St Louis
12h 32m
1 stop
LAX9:40 amLos Angeles
Frontier
Mar 4
LAX6:30 amLos Angeles
24h 46m
1 stop
STL9:16 amLambert-St Louis
Mar 11
STL5:24 pmLambert-St Louis
27h 54m
1 stop
LAX7:18 pmLos Angeles
Frontier
May 1
LAX6:15 amLos Angeles
24h 54m
1 stop
STL9:09 amLambert-St Louis
May 5
STL6:53 pmLambert-St Louis
7h 37m
1 stop
LAX12:30 amLos Angeles

United Airlines flights from Los Angeles to St. Louis

Our best United Airlines deals on Los Angeles to St. Louis flight tickets
United Airlines
Mar 3
LAX12:55 amLos Angeles
6h 56m
1 stop
STL9:51 amLambert-St Louis
Mar 11
STL10:03 amLambert-St Louis
8h 39m
1 stop
LAX4:42 pmLos Angeles
United Airlines
Feb 23
LAX12:55 amLos Angeles
6h 56m
1 stop
STL9:51 amLambert-St Louis
Feb 27
STL1:39 pmLambert-St Louis
7h 54m
1 stop
LAX7:33 pmLos Angeles
United Airlines
Feb 11
LAX12:51 amLos Angeles
7h 04m
1 stop
STL9:55 amLambert-St Louis
Feb 19
STL4:39 pmLambert-St Louis
6h 48m
1 stop
LAX9:27 pmLos Angeles

See travel insights to St. Louis from

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

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 St. Louis?

In general, August is the cheapest month to fly from Los Angeles to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $337. The month of September is another great option to travel to St. Louis, with average flight prices from Los Angeles averaging around $341.

What is the cheapest day to depart on your flight to St. Louis?

The cheapest day to depart on your flight to St. Louis is on a Tuesday when prices can be found for as low as $380. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $471. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.

What is the cheapest time of day to depart on your flight to St. Louis?

Flying to St. Louis from Los Angeles in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $396 when looking at flights departing in the afternoon. In the evening is when there is more demand to fly to St. Louis, so prices are often more expensive at around $564 per ticket.

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

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

How far in advance should I book a flight to St. Louis?

You are more likely to see cheaper flights to St. Louis from Los Angeles when booking 22 weeks ahead of your departure date. In general, you can expect to find flights to St. Louis for around $397 when searching 22 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to St. Louis from Los Angeles for as low as $316 on momondo.

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

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

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

As of January 2025, prices for Los Angeles to St. Louis flights are approximately 14% more expensive when compared to flights at the same time last year.

When to book flights from Los Angeles to St. Louis

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

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

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

Best Price Found

$54

Fastest flight time

3h 28m

Direct flights

Every day

Airports in St. Louis

1 airport
The best one-way flight to St. Louis from Los Angeles in the past 72 hours is $54. The best round-trip flight deal from Los Angeles to St. Louis found on momondo in the last 72 hours is $110.
The fastest flight from Los Angeles to St. Louis takes 3h 28m
Direct flights go from Los Angeles to St. Louis every day.
There is 1 airport near St. Louis: Lambert-St Louis (STL)

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

    The straight-line distance from Los Angeles to Lambert-St Louis is 1588.8 mi. Typically, this will take 3h 28m by plane in normal conditions.

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

    Prices for flights from Los Angeles Airport to Lambert-St Louis Airport are refreshed on a daily basis.

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Los Angeles Airport to Lambert-St Louis Airport.

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The travel and health documents you'll need for your trip to Lambert-St Louis Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Lambert-St Louis Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

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


Best airlines flying from Los Angeles to St. Louis

Compare and see reviews for airlines that fly from Los Angeles to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $97Free CancellationRating
6.3
8,086 reviews
Search Spirit Airlines flights
FrontierPriceFrom $117Free CancellationRating
6.0
3,429 reviews
Search Frontier flights
American AirlinesPriceFrom $251Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $277Free CancellationRating
8.0
8,456 reviews
Search Delta flights
United AirlinesPriceFrom $295Free CancellationRating
7.4
8,918 reviews
Search United Airlines flights
SouthwestPriceFrom $298Free CancellationRating
8.1
4,587 reviews
Search Southwest flights
Alaska AirlinesPriceFrom $327Free CancellationRating
8.0
9,688 reviews
Search Alaska Airlines flights
  • Southwest Flights From Los Angeles to St. Louis

    The lowest priced Southwest flight from Los Angeles to St. Louis from the last 72 hours was $298. Generally, Southwest has 5 flights on this route every week with an average price of $432. Southwest is rated 8.1/10 by our users.

  • Alaska Airlines Flights From Los Angeles to St. Louis

    Across 9,688 Alaska Airlines reviews on momondo, the average score is 8.0/10. Alaska Airlines flies from Los Angeles to St. Louis about 4 times each week, with ticket deals ranging from $327 to $737. Price data is based on momondo searches in the last 72 hours.


Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Chesterfield
Florissant
Collinsville
Hermann
Maryland Heights
Fairview Heights
Farmington
O'Fallon
Fenton
Alton
Wentzville
St. Peters
Eureka
Festus
Clayton
Edwardsville
Glencoe
Litchfield
Grafton

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to St. Louis from Los Angeles.

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

momondo does allow users to show only those flights to St. Louis from Los Angeles which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to St. Louis from Los Angeles.

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

Of course. momondo tracks the price of Los Angeles to St. Louis flights. All you need is a valid email address and we will do the rest; it is that quick and easy.


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