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

View $80 flight on Fri, Oct 3, 2025Opens in a new window

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

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • one key icon

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

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

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
Fri, Oct 3 - Sat, Oct 11
STL
St. Louis
LAX
Los Angeles
$160 Roundtrip, just found
$160
Roundtrip
just found
Select Frontier Airlines flight, departing Fri, Oct 3 from St. Louis to Los Angeles, returning Sat, Oct 11, priced at $160 just found
Frontier Airlines
Wed, Oct 22 - Fri, Oct 24
STL
St. Louis
LAX
Los Angeles
$173 Roundtrip, just found
$173
Roundtrip
just found
Select Frontier Airlines flight, departing Wed, Oct 22 from St. Louis to Los Angeles, returning Fri, Oct 24, priced at $173 just found
Frontier Airlines
Fri, Nov 7 - Fri, Nov 14
STL
St. Louis
LAX
Los Angeles
$186 Roundtrip, just found
$186
Roundtrip
just found
Select Frontier Airlines flight, departing Fri, Nov 7 from St. Louis to Los Angeles, returning Fri, Nov 14, priced at $186 just found
Frontier Airlines
Fri, Oct 3 - Sat, Oct 11
STL
St. Louis
LAX
Los Angeles
$193 Roundtrip, just found
$193
Roundtrip
just found
Select Frontier Airlines flight, departing Fri, Oct 3 from St. Louis to Los Angeles, returning Sat, Oct 11, priced at $193 just found
Frontier Airlines
Wed, Oct 22 - Tue, Oct 28
STL
St. Louis
LAX
Los Angeles
$198 Roundtrip, found 1 hour ago
$198
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Wed, Oct 22 from St. Louis to Los Angeles, returning Tue, Oct 28, priced at $198 found 1 hour ago
Frontier Airlines
Fri, Oct 24 - Tue, Oct 28
STL
St. Louis
LAX
Los Angeles
$201 Roundtrip, found 6 hours ago
$201
Roundtrip
found 6 hours ago
Select Frontier Airlines flight, departing Fri, Oct 24 from St. Louis to Los Angeles, returning Tue, Oct 28, priced at $201 found 6 hours ago
Spirit Airlines
Sun, Nov 9 - Wed, Nov 19
STL
St. Louis
LAX
Los Angeles
$216 Roundtrip, found 17 hours ago
$216
Roundtrip
found 17 hours ago
Select Spirit Airlines flight, departing Sun, Nov 9 from St. Louis to Los Angeles, returning Wed, Nov 19, priced at $216 found 17 hours ago
Southwest Airlines
Wed, Oct 22 - Tue, Oct 28
STL
St. Louis
LAX
Los Angeles
$260 Roundtrip, found 1 hour ago
$260
Roundtrip
found 1 hour ago
Select Southwest Airlines flight, departing Wed, Oct 22 from St. Louis to Los Angeles, returning Tue, Oct 28, priced at $260 found 1 hour ago
American Airlines
Sat, Oct 18 - Tue, Oct 21
STL
St. Louis
LAX
Los Angeles
$295 Roundtrip, just found
$295
Roundtrip
just found
Select American Airlines flight, departing Sat, Oct 18 from St. Louis to Los Angeles, returning Tue, Oct 21, priced at $295 just found
United
Sat, Oct 18 - Wed, Oct 22
STL
St. Louis
LAX
Los Angeles
$310 Roundtrip, just found
$310
Roundtrip
just found
Select United flight, departing Sat, Oct 18 from St. Louis to Los Angeles, returning Wed, Oct 22, priced at $310 just found

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

February is typically the cheapest month to fly

From $120 - $425 per traveler.

Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to Los Angeles Intl. Airport (LAX) cost?
Snag a cheap one-way flight from $80 or cheap return flight from $160 from Lambert-St. Louis Intl. Airport (STL) to Los Angeles Intl. Airport (LAX) 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 Lambert-St. Louis Intl. Airport (STL) to Los Angeles Intl. Airport (LAX)?
Flying in October may help you find better deals, as it's the cheapest month for flights between STL and LAX. You'll typically find the lowest prices during off-peak months.
Which airlines fly direct from Lambert-St. Louis Intl. Airport (STL) to Los Angeles Intl. Airport (LAX)?
Take a direct flight with Southwest Airlines and fly straight from Lambert-St. Louis Intl. Airport (STL) to Los Angeles Intl. Airport (LAX).
What is the cheapest airline that flies from Lambert-St. Louis Intl. Airport (STL) to Los Angeles Intl. Airport (LAX)?
While prices may vary depending on when you travel, American Airlines and Southwest Airlines are popular choices for flights between Lambert-St. Louis Intl. Airport (STL) and Los Angeles Intl. Airport (LAX). You can also compare carriers on Expedia and use the "Sort by" filter to find the lowest-priced ticket for your STL to LAX flight.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Los Angeles Intl. Airport (LAX)?
On average, there is just 1 direct flight leaving from Lambert-St. Louis Intl. Airport (STL) to Los Angeles Intl. Airport (LAX) per day. If this isn't convenient for you, think about flights with a layover. Just filter your search on Expedia to include one stop or more to find the next best option.
What are the most popular departure times for flights from Lambert-St. Louis Intl. Airport (STL) to Los Angeles Intl. Airport (LAX)?
The 9 AM departures from STL to LAX are the top choice for many travelers. They can also be more expensive. If you want to save money, choose a less crowded time to fly.
What day of the week has the most flights from STL to LAX?
If you travel on a Friday, you'll get the greatest range of options for flights from Lambert-St. Louis Intl. Airport (STL) to Los Angeles Intl. Airport (LAX).
What is the earliest flight from Lambert-St. Louis Intl. Airport (STL) to Los Angeles Intl. Airport (LAX)?
The first flight of the day jetting off from Lambert-St. Louis Intl. Airport (STL) is at around 6:03AM UTC-6. Hop on this flight and you'll land at Los Angeles Intl. Airport (LAX) at approximately 8:21AM UTC-8. The total time in the air is 4h 18m.
How long does it take to fly from Lambert-St. Louis Intl. Airport (STL) to Los Angeles Intl. Airport (LAX)?
It takes approximately 4 hours and 19 minutes to cover the 1,600 mi from STL to LAX.
What airline has the least delays from STL to LAX?
Sun Country Airlines has the best track record for on-time direct flights from Lambert-St. Louis Intl. Airport (STL) to Los Angeles Intl. Airport (LAX), with an on-time score of 100%. Use the Expedia App to look up your flight schedule before you take off and get real-time updates about any changes.
What is the best time to fly from Lambert-St. Louis Intl. Airport (STL) to Los Angeles Intl. Airport (LAX)?
To avoid possible delays on the Lambert-St. Louis Intl. Airport (STL) to Los Angeles Intl. Airport (LAX) route, aim to travel before 3 PM. Later departures are 22% more likely to be canceled.**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 Los Angeles from Lambert-St. Louis Intl. Airport (STL)?
Lambert-St. Louis Intl. Airport (STL) has direct flights to Los Angeles. These are a few of the airports you can fly to without stops:

  • Los Angeles Intl. Airport (LAX)
  • Long Beach Municipal Airport (LGB)
  • Bob Hope Airport (BUR)

Is it cheaper to buy a plane ticket from Lambert-St. Louis Intl. Airport (STL) to Los Angeles Intl. Airport (LAX) last-minute?
Booking your ticket from STL to LAX right before your journey is typically more expensive. But if you're flexible with your departure times and dates, you could grab a cheap last-minute fare.
Is it cheaper to book a STL to LAX flight and hotel package?
Compared with arranging hotels and flights separately, booking a STL to LAX flight and hotel package with Expedia could result in significant savings. Better still, having it all in one place will take the hassle out of planning your trip. Simply secure your flights and choose 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 Lambert-St. Louis Intl. Airport (STL) to Los Angeles Intl. Airport (LAX)?
If you booked your STL to LAX flight in the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the ticket type you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for further details.

Travel information

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Los Angeles Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Southwest Airlines, United
Roundtrip price
$160
Distance
1588 mi
Average flight time
1 hour 57 mins

Book with confidence

Book with confidence

St. Louis to Los Angeles Flights

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

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 St. Louis to Los Angeles are during the month of October. You can find some of the cheapest flights from St. Louis to Los Angeles with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from St. Louis to Los Angeles: 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 St. Louis to Los Angeles

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 St. Louis to Los Angeles 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 St. Louis to Los Angeles 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 St. Louis to Los Angeles 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.

 

St. Louis to Los Angeles Flights

Explore a world of travel with Expedia

Explore a world of travel with Expedia

*Available to One Key members.