$80 Cheap Flights from Los Angeles (LAX) to St. Louis (STL)

View $80 flight on Sun, Nov 16, 2025Opens in a new window

Popular airlines from Los Angeles Intl. (LAX) to St. Louis Lambert Intl. Airport (STL)

Cheap Flights from Los Angeles to St. Louis (LAX-STL)

Prices were available within the past 7 days and start at $80 for one-way flights and $160 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Mon, Sep 8 - Fri, Sep 12
LAX
Los Angeles
STL
St. Louis
$160 Roundtrip, found 1 hour ago
$160
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Mon, Sep 8 from Los Angeles to St. Louis, returning Fri, Sep 12, priced at $160 found 1 hour ago
Frontier Airlines
Fri, Oct 3 - Mon, Oct 6
LAX
Los Angeles
STL
St. Louis
$162 Roundtrip, found 21 hours ago
$162
Roundtrip
found 21 hours ago
Select Frontier Airlines flight, departing Fri, Oct 3 from Los Angeles to St. Louis, returning Mon, Oct 6, priced at $162 found 21 hours ago
Frontier Airlines
Thu, Nov 13 - Fri, Nov 14
LAX
Los Angeles
STL
St. Louis
$173 Roundtrip, found 2 hours ago
$173
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Thu, Nov 13 from Los Angeles to St. Louis, returning Fri, Nov 14, priced at $173 found 2 hours ago
Frontier Airlines
Wed, Oct 15 - Thu, Oct 16
LAX
Los Angeles
STL
St. Louis
$186 Roundtrip, found 2 hours ago
$186
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Wed, Oct 15 from Los Angeles to St. Louis, returning Thu, Oct 16, priced at $186 found 2 hours ago
Frontier Airlines
Sun, Nov 9 - Mon, Nov 10
LAX
Los Angeles
STL
St. Louis
$193 Roundtrip, found 2 hours ago
$193
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Sun, Nov 9 from Los Angeles to St. Louis, returning Mon, Nov 10, priced at $193 found 2 hours ago
Frontier Airlines
Thu, Oct 16 - Fri, Oct 17
LAX
Los Angeles
STL
St. Louis
$206 Roundtrip, found 2 hours ago
$206
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Thu, Oct 16 from Los Angeles to St. Louis, returning Fri, Oct 17, priced at $206 found 2 hours ago
United
Tue, Sep 30 - Fri, Oct 3
LAX
Los Angeles
STL
St. Louis
$224 Roundtrip, found 6 hours ago
$224
Roundtrip
found 6 hours ago
Select United flight, departing Tue, Sep 30 from Los Angeles to St. Louis, returning Fri, Oct 3, priced at $224 found 6 hours ago
Alaska Airlines
Wed, Oct 1 - Thu, Oct 2
LAX
Los Angeles
STL
St. Louis
$228 Roundtrip, found 2 hours ago
$228
Roundtrip
found 2 hours ago
Select Alaska Airlines flight, departing Wed, Oct 1 from Los Angeles to St. Louis, returning Thu, Oct 2, priced at $228 found 2 hours ago
Southwest Airlines
Tue, Nov 18 - Wed, Nov 19
LAX
Los Angeles
STL
St. Louis
$229 Roundtrip, found 2 hours ago
$229
Roundtrip
found 2 hours ago
Select Southwest Airlines flight, departing Tue, Nov 18 from Los Angeles to St. Louis, returning Wed, Nov 19, priced at $229 found 2 hours ago
American Airlines
Tue, Dec 16 - Tue, Jan 13
LAX
Los Angeles
STL
St. Louis
$277 Roundtrip, found 3 days ago
$277
Roundtrip
found 3 days ago
Select American Airlines flight, departing Tue, Dec 16 from Los Angeles to St. Louis, returning Tue, Jan 13, priced at $277 found 3 days ago

Find the cheapest month to fly from Los Angeles (LAX) to St. Louis (STL)

January is typically the cheapest month to fly

From $118 - $425 per traveler.

Graph displaying average flight prices per month

Alternative airports near St. Louis

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Lambert-St. Louis Intl. STL. Cheapest option available. Average driving time to city center is 20 minutes. Flights from $253
STL
Lambert-St. Louis Intl.
Cheapest
Average driving time to city center20 min
Flights from $253
Flights from Los Angeles (LAX) to St. Louis (STL)
Origin airport
Los Angeles Intl.
Destination airport
Lambert-St. Louis Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Southwest Airlines, Spirit Airlines, United
Roundtrip price
$156
Distance
1588 mi
Average flight time
5 hours 35 mins

Los Angeles to St. Louis Flights

The cheapest times to fly from Los Angeles to St. Louis

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Los Angeles to St. Louis are during the month of September. You can find some of the cheapest flights from Los Angeles to St. Louis with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Los Angeles to St. Louis

Sunday is one of the best days to book for cheap flights from Los Angeles to St. Louis: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Los Angeles to St. Louis

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Los Angeles to St. Louis in 2025. You can also book with separate airlines for your outbound and return journeys, from $80 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Los Angeles to St. Louis flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Los Angeles to St. Louis airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Los Angeles Intl. Airport (LAX) to Lambert-St. Louis Intl. Airport (STL) cost?
Grab a cheap one-way flight from $80 or cheap return flight from $160 from Los Angeles Intl. Airport (LAX) to Lambert-St. Louis Intl. Airport (STL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Los Angeles Intl. Airport (LAX) to Lambert-St. Louis Intl. Airport (STL)?
September is the most affordable month to fly from LAX to STL. Traveling during quieter months is often the key to finding better deals on flights.
Which airlines fly direct from Los Angeles Intl. Airport (LAX) to Lambert-St. Louis Intl. Airport (STL)?
When setting off from Los Angeles Intl. Airport (LAX), you can hop on a direct flight to Lambert-St. Louis Intl. Airport (STL) with Southwest Airlines.
What is the cheapest airline that flies from Los Angeles Intl. Airport (LAX) to Lambert-St. Louis Intl. Airport (STL)?
While prices may vary depending on your travel dates, American Airlines and Southwest Airlines are often among the top picks for flights between Los Angeles Intl. Airport (LAX) and Lambert-St. Louis Intl. Airport (STL). You can also compare airlines on Expedia and use the "Sort by" filter to find the cheapest ticket for your LAX to STL flight.
How many flights per day from Los Angeles Intl. Airport (LAX) to Lambert-St. Louis Intl. Airport (STL)?
On average, just 1 direct flight departs each day from Los Angeles Intl. Airport (LAX) to Lambert-St. Louis Intl. Airport (STL). Seeking more options? Use Expedia's filter tool to discover flights with layovers and add a new destination to your journey.
What are the most popular departure times for flights from Los Angeles Intl. Airport (LAX) to Lambert-St. Louis Intl. Airport (STL)?
More people fly between LAX and STL at 5 PM than at any other point in the day. Rather skip the crowds? Try choosing a quieter departure window and you could save on your fare as well.
What day of the week has the most flights from LAX to STL?
If you fly on a Thursday, you'll get the largest range of choices for flights from Los Angeles Intl. Airport (LAX) to Lambert-St. Louis Intl. Airport (STL).
What is the earliest flight from Los Angeles Intl. Airport (LAX) to Lambert-St. Louis Intl. Airport (STL)?
Take the earliest flight at around 6:15AM UTC-8, heading out of Los Angeles Intl. Airport (LAX). You'll be flying for roughly 3h 35m, arriving at Lambert-St. Louis Intl. Airport (STL) at approximately 11:50AM UTC-6.
How long does it take to fly from Los Angeles Intl. Airport (LAX) to Lambert-St. Louis Intl. Airport (STL)?
The average flight duration from LAX to STL is 3 hours and 35 minutes, covering a total distance of 1,600 mi.
What airline has the least delays from LAX to STL?
Consider traveling with Alaska Airlines if you'd like to fly straight from Los Angeles Intl. Airport (LAX) to Lambert-St. Louis Intl. Airport (STL) without any interruptions. This carrier has the strongest track record for punctuality, with an on-time score of 90%. Want to be notified if anything changes? You can keep an eye on your flight status using the Expedia App.
What is the best time to fly from Los Angeles Intl. Airport (LAX) to Lambert-St. Louis Intl. Airport (STL)?
Select a flight from Los Angeles Intl. Airport (LAX) to Lambert-St. Louis Intl. Airport (STL) that takes off before 3 PM to reduce the likelihood of delays and cancellations. Later departures have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for St. Louis from Los Angeles Intl. Airport (LAX)?
Check out your flight options from Los Angeles Intl. Airport (LAX) to Lambert-St. Louis Intl. Airport (STL). This is the only airport in St. Louis you can fly into if you're taking a direct flight.
Is it cheaper to buy a plane ticket from Los Angeles Intl. Airport (LAX) to Lambert-St. Louis Intl. Airport (STL) last-minute?
Last-minute bookings from LAX to STL are usually more expensive. To lock in the lowest rates, start looking for flights early. That being said, if you're flexible with your travel plans, you may find a cheap ticket right before your trip.
Is it cheaper to book a LAX to STL flight and hotel package?
Compared with arranging flights and hotels separately, booking a LAX to STL flight and hotel package with Expedia could result in significant savings. What's more, having everything in one place will take the hassle out of travel planning. Simply secure your flights and select from our wide range of stays, then personalize your trip with extras like car rentals and activities.
Can I cancel or change the date of my flight from Los Angeles Intl. Airport (LAX) to Lambert-St. Louis Intl. Airport (STL)?
Generally, it's possible to reschedule or cancel your LAX to STL flight. However, for bookings made more than 24 hours ago, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find further details on our Customer Service portal.

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*Available to One Key members.