$159 Cheap American Airlines flights St. Louis (STL) to Los Angeles (LAX)

View $159 flight on Tue, Jan 20, 2026Opens in a new window

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$159 Cheap American Airlines flights St. Louis (STL) to Los Angeles (LAX)

Prices were available within the past 7 days and start at $159 for one-way flights and $295 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Tue, Jan 20 - Tue, Jan 27
STL
St. Louis
LAX
Los Angeles
$295 Roundtrip, found 6 hours ago
$295
Roundtrip
found 6 hours ago
Select American Airlines flight, departing Tue, Jan 20 from St. Louis to Los Angeles, returning Tue, Jan 27, priced at $295 found 6 hours ago
Flights from St. Louis (STL) to Los Angeles (LAX)
Origin airport
Lambert-St. Louis Intl.
Destination airport
Los Angeles Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, Southwest Airlines, Spirit Airlines, United
Popular airline
Alaska Airlines
Distance
1588 mi
Average flight time
2 hours 41 mins

Frequently asked questions

How much is an American Airlines flight from Lambert-St. Louis Intl. Airport (STL) to Los Angeles Intl. Airport (LAX)?
Set the "Price (lowest to highest)" filter on Expedia to look for cheap American Airlines return flights from $295 from STL to LAX. Affordable one-way fares from $159 are also available.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from STL to LAX with American Airlines?
Search for one-way or round-trip flights to Los Angeles in January or February. You could find a cheap fare with American Airlines during these off-peak travel months.
What is the cheapest time to book flights from Lambert-St. Louis Intl. Airport (STL) to Los Angeles Intl. Airport (LAX) with American Airlines?
Look for cheap American Airlines flights from Lambert-St. Louis Intl. Airport (STL) to Los Angeles Intl. Airport (LAX) one to three months ahead of your departure. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. No matter the fare type and journey, the ideal day to book a domestic flight is generally Sunday and the most expensive is typically Monday. Passengers who book on a Sunday can save 6% on average compared to those who book on a Monday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does American Airlines fly nonstop from Lambert-St. Louis Intl. Airport (STL) to Los Angeles Intl. Airport (LAX)?
Take off on one of American Airlines's 4 direct weekly flights from Lambert-St. Louis Intl. Airport (STL) to Los Angeles Intl. Airport (LAX). To view available options, enter your origin, destination and dates and hit search. Then apply the "Nonstop" and "Airline" filters.
How long does it take to fly from STL to LAX with American Airlines?
The travel time for a nonstop American Airlines flight from Lambert-St. Louis Intl. Airport (STL) to Los Angeles Intl. Airport (LAX) typically takes 4h 18m.
What is the earliest American Airlines flight from STL to LAX?
The first flight from STL to LAX with American Airlines leaves at 6:03AM UTC-6. You'll land at 8:21AM UTC-8. The last American Airlines flight of the day leaves at 6:03AM UTC-6 and arrives at 8:21AM UTC-8. With 20% fewer cancellations for morning and mid-morning departures, jetting out early is typically the smartest option.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does American Airlines fly into in Los Angeles?
American Airlines flights from Lambert-St. Louis Intl. Airport (STL) to Los Angeles come in to Los Angeles Intl. Airport (LAX), Long Beach Municipal Airport (LGB) and Bob Hope Airport (BUR). The primary Los Angeles gateway served by this airline is LAX. It's always worth checking out flights arriving at other nearby airports on Expedia as they may offer lower prices.
What type of plane does American Airlines fly from Lambert-St. Louis Intl. Airport (STL) to Los Angeles Intl. Airport (LAX)?
You'll probably board an Airbus A319 for your American Airlines flight from Lambert-St. Louis Intl. Airport (STL) to Los Angeles Intl. Airport (LAX). However, you may end up on another aircraft for operational reasons.
Can I change or cancel my American Airlines flight from Lambert-St. Louis Intl. Airport (STL) to Los Angeles Intl. Airport (LAX)?
Depending on your ticket type, a fee will generally apply if you change or cancel your booking more than 24 hours after it has been confirmed. To find flexible fares, select our "Changes included" and "No cancel fee" boxes while looking for flights. For more information on canceling or changing your reservation, go to "Trips," select your flight and tick "Manage Booking."
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