What is the cheapest airline that flies from Los Angeles to Lambert-St Louis?

Spirit Airlines, Frontier, and Sun Country Air are the most popular carriers operating from Los Angeles to Lambert-St Louis

What airlines fly to St. Louis?

Southwest, American Airlines and Frontier are the top three most popular airlines that fly to St. Louis from Los Angeles according to our data. Southwest is the first choice among our users, with 43% of people opting to fly with this airline when traveling to St. Louis. Keep in mind that there are 7 different airlines that fly to St. Louis on a routine basis, so you have a few additional options to choose from.

How many flights depart from Los Angeles to St. Louis on average per day?

As of July 2025, there are 10 flights per day flying from Los Angeles to St. Louis. The most common time of day flights depart is 5:00PM, with 77% of flights taking off in the afternoon.

How many flights depart from Los Angeles to St. Louis on average per week?

As of July 2025, 75 flights take off from Los Angeles and land in St. Louis each week. The most common flight departure day for this route is Mon, with 16% of weekly flights taking off on this day.

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?

There are 7 operators available for flights from Los Angeles Airport to Lambert-St Louis Airport as of July 2025.

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.

$61 Cheap Flights from Los Angeles to St. Louis in 2025

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Find the cheapest flights from Los Angeles to St. Louis

Round-trip

One-way

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Direct

Cheap round-trip flights

10:31 pm - 1:32 pmLAX-STL

13h 01m1 stop

2:30 pm - 11:09 pmSTL-LAX

10h 39m1 stop

$157Spirit Airlines

Find Deal

Thu, Aug 21 - Mon, Aug 25

10:31 pm - 1:32 pmLAX-STL

13h 01m1 stop

2:30 pm - 11:09 pmSTL-LAX

10h 39m1 stop

$159Spirit Airlines

Find Deal

Wed, Aug 13 - Mon, Aug 18

12:39 pm - 8:44 pmLAX-STL

6h 05m1 stop

7:52 pm - 12:25 amSTL-LAX

6h 33m1 stop

$160Frontier

Find Deal

Fri, Oct 3 - Tue, Oct 7

12:39 pm - 8:44 pmLAX-STL

6h 05m1 stop

7:55 pm - 12:27 amSTL-LAX

6h 32m1 stop

$170Frontier

Find Deal

Fri, Sep 19 - Sun, Sep 21

10:31 pm - 1:32 pmLAX-STL

13h 01m1 stop

2:30 pm - 11:09 pmSTL-LAX

10h 39m1 stop

$177Spirit Airlines

Find Deal

Thu, Aug 14 - Sun, Aug 17

10:38 am - 1:30 pmLAX-STL

24h 52m1 stop

2:26 pm - 10:59 pmSTL-LAX

10h 33m1 stop

$185Spirit Airlines

Find Deal

Sat, Sep 13 - Thu, Sep 18

10:31 pm - 1:32 pmLAX-STL

13h 01m1 stop

2:30 pm - 11:09 pmSTL-LAX

10h 39m1 stop

$186Spirit Airlines

Find Deal

Thu, Aug 21 - Mon, Aug 25

9:03 pm - 9:06 amLAX-STL

10h 03m1 stop

7:55 pm - 12:27 amSTL-LAX

6h 32m1 stop

$194Frontier

Find Deal

Fri, Sep 26 - Mon, Sep 29

10:31 pm - 1:32 pmLAX-STL

13h 01m1 stop

8:00 am - 10:44 pmSTL-LAX

16h 44m1 stop

$211

Find Deal

Wed, Aug 13 - Sun, Aug 17

3:48 pm - 1:42 pmLAX-STL

19h 54m1 stop

7:54 pm - 12:27 amSTL-LAX

6h 33m1 stop

$244Frontier

Find Deal

Wed, Aug 13 - Tue, Aug 19

Frontier flights from Los Angeles to St. Louis

Our best Frontier deals on Los Angeles to St. Louis flight tickets

Frontier

Oct 3

LAX12:39 pmLos Angeles

6h 05m

1 stop

STL8:44 pmLambert-St Louis

Oct 7

STL7:52 pmLambert-St Louis

6h 33m

1 stop

LAX12:25 amLos Angeles

$160

Find similar

Frontier

Sep 19

LAX12:39 pmLos Angeles

6h 05m

1 stop

STL8:44 pmLambert-St Louis

Sep 21

STL7:55 pmLambert-St Louis

6h 32m

1 stop

LAX12:27 amLos Angeles

$170

Find similar

Frontier

Sep 26

LAX9:03 pmLos Angeles

10h 03m

1 stop

STL9:06 amLambert-St Louis

Sep 29

STL7:55 pmLambert-St Louis

6h 32m

1 stop

LAX12:27 amLos Angeles

$194

Find similar

Spirit Airlines flights from Los Angeles to St. Louis

Our best Spirit Airlines deals on Los Angeles to St. Louis flight tickets

Spirit Airlines

Aug 21

LAX10:31 pmLos Angeles

13h 01m

1 stop

STL1:32 pmLambert-St Louis

Aug 25

STL2:30 pmLambert-St Louis

10h 39m

1 stop

LAX11:09 pmLos Angeles

$157

Find similar

Spirit Airlines

Aug 13

LAX10:31 pmLos Angeles

13h 01m

1 stop

STL1:32 pmLambert-St Louis

Aug 18

STL2:30 pmLambert-St Louis

10h 39m

1 stop

LAX11:09 pmLos Angeles

$159

Find similar

Spirit Airlines

Aug 14

LAX10:31 pmLos Angeles

13h 01m

1 stop

STL1:32 pmLambert-St Louis

Aug 17

STL2:30 pmLambert-St Louis

10h 39m

1 stop

LAX11:09 pmLos Angeles

$177

Find similar

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

Prices

Airlines

Other information

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 $342. The month of September is another great option to travel to St. Louis, with average flight prices from Los Angeles averaging around $356.

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 $384. 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 Saturday because tickets tend to average around $447. 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 morning is the least expensive time of day to depart. momondo users have found prices as low as $415 when looking at flights departing in the morning. In the afternoon is when there is more demand to fly to St. Louis, so prices are often more expensive at around $426 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 weeks ahead of your departure date. In general, you can expect to find flights to St. Louis for around $400 when searching 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 $294 on momondo.

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

There are 3 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.

Can stopping save me money on Los Angeles to St. Louis flights?

You could potentially save up to 3% on your flight if you consider stops on a Los Angeles to St. Louis flight.

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

As of July 2025, prices for Los Angeles to St. Louis flights are approximately 3% 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	$61
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 $61. The best round-trip flight deal from Los Angeles to St. Louis found on momondo in the last 72 hours is $157.

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)

Search flight deals

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 5h 45m 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?
There are 7 operators available for flights from Los Angeles Airport to Lambert-St Louis Airport as of July 2025.
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?
Based on momondo bookings for flights between Los Angeles and St. Louis, the leading plane model is Embraer 175, making up 32.48% of the total bookings. Other popular models include Boeing 737-700 Passenger/BBJ1 (winglets) with 18.85%, Airbus A319 with 14.70%, and Boeing 737-800 Passenger/BBJ2 (winglets) with 7.99%.
What is the most popular airline from Los Angeles to St. Louis?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Los Angeles to St. Louis is Southwest (37% of total bookings). The next most popular airlines are American Airlines (37%), Frontier (15%), and United Airlines (4%).

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 Airlines	PriceFrom $22	Free Cancellation	Rating 6.3 8,046 reviews	Search Spirit Airlines flights
Frontier	PriceFrom $126	Free Cancellation	Rating 5.9 3,261 reviews	Search Frontier flights
American Airlines	PriceFrom $233	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Delta	PriceFrom $296	Free Cancellation	Rating 8.0 7,956 reviews	Search Delta flights
Southwest	PriceFrom $299	Free Cancellation	Rating 8.0 4,244 reviews	Search Southwest flights
United Airlines	PriceFrom $316	Free Cancellation	Rating 7.4 8,858 reviews	Search United Airlines flights
Alaska Airlines	PriceFrom $327	Free Cancellation	Rating 8.0 10,000 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 $299. Generally, Southwest has 13 flights on this route every week with an average price of $421. Southwest is rated 8.0/10 by our users.
Alaska Airlines Flights From Los Angeles to St. Louis
Across 10,000 Alaska Airlines reviews on momondo, the average score is 8.0/10. Alaska Airlines flies from Los Angeles to St. Louis about 7 times each week, with ticket deals ranging from $327 to $681. Price data is based on momondo searches in the last 72 hours.

St. Charles

Chesterfield

Hermann

Fairview Heights

Maryland Heights

Florissant

Collinsville

Fenton

Farmington

O'Fallon

St. Peters

Alton

Wentzville

Festus

Glencoe

Clayton

Eureka

Edwardsville

Grafton

Shrewsbury

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.

An easier way to manage your St. Louis trip

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Cheap flights from Los Angeles to St. Louis from $61

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 8/13. 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 Los Angeles to St. Louis

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Frontier flights from Los Angeles to St. Louis

Our best Frontier deals on Los Angeles to St. Louis flight tickets

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Our best Spirit Airlines deals on Los Angeles to St. Louis flight tickets

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?

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

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

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?

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

There are 3 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.

Can stopping save me money on Los Angeles to St. Louis flights?

You could potentially save up to 3% on your flight if you consider stops on a Los Angeles to St. Louis flight.

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

As of July 2025, prices for Los Angeles to St. Louis flights are approximately 3% more expensive when compared to flights at the same time last year.

What is the cheapest airline that flies from Los Angeles to Lambert-St Louis?

Spirit Airlines, Frontier, and Sun Country Air are the most popular carriers operating from Los Angeles to Lambert-St Louis

What airlines fly to St. Louis?

How many flights depart from Los Angeles to St. Louis on average per day?

As of July 2025, there are 10 flights per day flying from Los Angeles to St. Louis. The most common time of day flights depart is 5:00PM, with 77% of flights taking off in the afternoon.

How many flights depart from Los Angeles to St. Louis on average per week?

As of July 2025, 75 flights take off from Los Angeles and land in St. Louis each week. The most common flight departure day for this route is Mon, with 16% of weekly flights taking off on this day.

When to book flights from Los Angeles to St. Louis

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

Fastest flight time

Direct flights

Airports in St. Louis

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

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

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?

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

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

Southwest Flights From Los Angeles to St. Louis

Alaska Airlines Flights From Los Angeles to St. Louis

Traveling to a place near St. Louis?

Why use momondo?

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

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

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

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

An easier way to manage your St. Louis 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.

Find better results for your trip to the United States

Airports servicing Missouri