Expect security screening at STL to take 5-10 minutes during off-peak times. Check real-time wait times online before heading to the airport.
$95+ Cheap flights from St. Louis to Los Angeles (STL - LAX)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/18. Fares are subject to change and may not be available on all flights or dates of travel.
STL — LAX
Oct 15 — Oct 221
1 adult, Economy
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Find cheap flights from St. Louis to Los Angeles with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Lambert-St Louis to Los Angeles are usually found in September or January, booked 58 days in advance, depart on a Wednesday or Thursday and return on a Tuesday
Cheap flight deals from St. Louis to Los Angeles
Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Los Angeles (LAX). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 15, 2025.
Round-trip from | $182 (Cheapflightsfares) |
|---|---|
One-way from | $95 (Booking.com) |
Popular in | March |
Cheapest in | September |
Average price | $311 |
Good round-trip deal | $325 or less |
Good one-way deal | $158 or less |
Find flight deals from St. Louis to Los Angeles
Cheapest flights from St. Louis to Los AngelesExplore the most affordable flight options available from St. Louis to Los Angeles. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.
Explore the most affordable flight options available from St. Louis to Los Angeles. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.
This Cheapflightsfares deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/318:40 pmSTL - LAX
1 stop5h 45mFrontier
Mon 11/311:56 amLAX - STL
1 stop6h 16mFrontier
Deal found 9/14![Frontier logo]()
$182
This Frontier deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/254:00 pmSTL - LAX
1 stop7h 45mFrontier
Sun 9/2810:45 pmLAX - STL
1 stop14h 19mFrontier
Deal found 9/13![Frontier logo]()
$183
This Booking.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/47:55 pmSTL - LAX
1 stop23h 23mFrontier
Mon 10/62:03 pmLAX - STL
1 stop17h 04mFrontier
Deal found 9/15![Frontier logo]()
$184
This Kiwi.com deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/77:45 pmSTL - LAX
1 stop19h 33mFrontier
Wed 11/127:00 pmLAX - STL
1 stop20h 27mFrontier
Deal found 9/13![Frontier logo]()
$186
This Kiwi.com deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/288:40 pmSTL - LAX
2 stops25h 13mFrontier
Tue 11/42:13 pmLAX - STL
1 stop16h 54mFrontier
Deal found 9/13![Frontier logo]()
$188
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/37:55 pmSTL - LAX
1 stop6h 32mFrontier
Tue 10/73:48 pmLAX - STL
2 stops15h 19mFrontier
Deal found 9/14![Frontier logo]()
$189
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/37:55 pmSTL - LAX
1 stop6h 32mMultiple Airlines
Sat 10/47:50 pmLAX - STL
2 stops11h 16mMultiple Airlines
Deal found 9/14![Multiple Airlines logo]()
$190
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/17:55 pmSTL - LAX
1 stop6h 32mFrontier
Tue 10/73:48 pmLAX - STL
2 stops15h 19mFrontier
Deal found 9/14![Frontier logo]()
$191
This Kiwi.com deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/37:55 pmSTL - LAX
1 stop6h 32mMultiple Airlines
Tue 10/79:22 amLAX - STL
2 stops21h 45mMultiple Airlines
Deal found 9/12![Multiple Airlines logo]()
$192
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/292:38 pmSTL - LAX
1 stop7h 14mMultiple Airlines
Sat 10/412:53 amLAX - STL
1 stop7h 01mMultiple Airlines
Deal found 9/14![Multiple Airlines logo]()
$195
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/237:52 pmSTL - LAX
1 stop6h 33mMultiple Airlines
Sat 10/2512:53 amLAX - STL
1 stop6h 29mMultiple Airlines
Deal found 9/14![Multiple Airlines logo]()
$196
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/51:57 pmSTL - LAX
1 stop20h 15mFrontier
Tue 10/73:48 pmLAX - STL
2 stops15h 19mFrontier
Deal found 9/14![Frontier logo]()
$197
Cheapflights Fare Finder
Customize your flight search to find flights from St. Louis to Los Angeles that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 15, 2025.
Use the filters below to find and compare flights from St. Louis to Los Angeles that are best for you.
Fly from
St. Louis
Fly to
Los Angeles
Route
Depart
Return
Price
St. LouisLos Angeles
STL - LAX
STLLAX
Lambert-St Louis
Fri 10/3
9:25 pm-11:25 pm
Nonstop4h 00m
Los Angeles
Tue 10/7
5:30 am-11:10 am
Nonstop3h 40m
$237
St. LouisLos Angeles
STL - LAX
STLLAX
Lambert-St Louis
Sat 2/28
2:55 pm-10:35 pm
1 stop9h 40m
Los Angeles
Tue 3/3
1:40 pm-11:56 pm
1 stop8h 16m
$256
St. LouisLos Angeles
STL - LAX
STLLAX
Lambert-St Louis
Sat 9/27
8:25 am-10:20 am
Nonstop3h 55m
Los Angeles
Tue 9/30
8:40 am-2:15 pm
Nonstop3h 35m
$267
St. LouisLos Angeles
STL - LAX
STLLAX
Lambert-St Louis
Sat 10/11
1:55 pm-6:55 pm
1 stop7h 00m
Los Angeles
Sun 10/19
6:25 am-12:00 pm
Nonstop3h 35m
$268
St. LouisLos Angeles
STL - LAX
STLLAX
Lambert-St Louis
Tue 12/9
10:15 am-12:25 pm
Nonstop4h 10m
Los Angeles
Tue 12/16
1:55 pm-7:25 pm
Nonstop3h 30m
$295
St. LouisLos Angeles
STL - LAX
STLLAX
Lambert-St Louis
Tue 11/11
6:35 pm-8:40 pm
Nonstop4h 05m
Los Angeles
Wed 11/26
4:25 pm-9:55 pm
Nonstop3h 30m
$295
St. LouisLos Angeles
STL - LAX
STLLAX
Lambert-St Louis
Tue 12/16
6:35 pm-8:40 pm
Nonstop4h 05m
Los Angeles
Tue 12/30
5:10 am-10:50 am
Nonstop3h 40m
$295
St. LouisLos Angeles
STL - LAX
STLLAX
Lambert-St Louis
Fri 11/7
8:55 pm-11:00 pm
Nonstop4h 05m
Los Angeles
Sun 11/9
6:35 pm-12:05 am
Nonstop3h 30m
$296
St. LouisLos Angeles
STL - LAX
STLLAX
Lambert-St Louis
Thu 11/13
8:55 pm-11:00 pm
Nonstop4h 05m
Los Angeles
Mon 11/17
3:20 pm-11:10 pm
1 stop5h 50m
$305
St. LouisLos Angeles
STL - LAX
STLLAX
Lambert-St Louis
Mon 2/9
7:45 pm-10:00 pm
Nonstop4h 15m
$148
Showing 1-10 of 20 results
The best insider tips for St. Louis to Los Angeles flights
Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your St. Louis to Los Angeles trip
Best time to book a flight from St. Louis to Los Angeles
Have a flexible travel schedule? Discover the best time to fly to Los Angeles from St. Louis with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from St. Louis to Los Angeles
Prices
More
How far ahead should I book a flight from St. Louis to Los Angeles?
Use this chart to determine the optimal time to book a round-trip flight from St. Louis to Los Angeles. Price data was last updated on September 12, 2025.
The price you pay for your flight from St. Louis to Los Angeles may vary depending on when you book. For the best chance of a lower fare, look to book 58 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from St. Louis to Los Angeles?
Currently, January is the cheapest month in which you can book a flight from St. Louis to Los Angeles (average of $246). Flying from St. Louis to Los Angeles in March is currently the most expensive (average of $325). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from STL to LAX?
Find hourly flight availability from St. Louis to Los Angeles. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 15, 2025.
It’s optimal to fly from St. Louis to Los Angeles at noon. By choosing this option you can save up to 39% on the cost of your flight, compared to a flight in the morning.
What is the cheapest day to fly from St. Louis to Los Angeles?
Use this chart to determine the cheapest time to fly round-trip from St. Louis to Los Angeles. Price data was last updated on September 14, 2025.
Travelers seeking maximum savings on their St. Louis to Los Angeles flight should consider departing on Saturday at noon when fares are most often at their lowest. Monday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
What’s the top layover airport for flights from St. Louis to Los Angeles?
Share of 1-stop round-trip flights from St. Louis to Los Angeles chosen by Cheapflights users in the past 12 months, using the same layover each way.
Denver (DEN) – chosen by Cheapflights users on 75% of 1-stop itineraries from St. Louis to Los Angeles on Cheapflights.
What’s the fastest layover option from St. Louis to Los Angeles?
Shortest average travel time for 1-stop one-way flights from St. Louis to Los Angeles, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Atlanta (ATL) have the shortest average one-way travel time for 1-stop routes: 8h 33m.
What’s the fastest layover option from St. Louis to Los Angeles?
Shortest average travel time for 1-stop one-way flights from St. Louis to Los Angeles, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Atlanta (ATL) have the shortest average one-way travel time for 1-stop routes: 8h 33m.
Which airport typically offers the quickest layover for flights from St. Louis to Los Angeles?
Average layover duration for 1-stop one-way flights from St. Louis to Los Angeles, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Atlanta (ATL) offer the fastest connection on this route, with an average layover time of 4h 49m.
Reviews of airlines servicing Los Angeles
Get insights into the airlines that provide service to Los Angeles. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Los Angeles. Reviews last updated September 15, 2025.
See what other customers who have flown with Southwest, Delta, and United Airlines from St. Louis to Los Angeles have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.0
Comfort
8.0
Overall
8.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Food
7.0
Comfort
8.0
Overall
8.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Food
7.0
Comfort
8.0
Overall
8.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Food
7.0
Comfort
8.0
Overall
8.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Food
7.0
Comfort
8.0
Overall
8.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Food
7.0
Comfort
8.0
Overall
8.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Related info for your journey
Find useful and relevant information for your journey from St. Louis to Los Angeles. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Los Angeles?
Book flights to Los Angeles if you plan to visit one of these locationsStanton
Inglewood
Oceanside
El Segundo
Buena Park
Avalon
Torrance
Moreno Valley
Hesperia
Downey
Montebello
Universal City
Garden Grove
Manhattan Beach
San Gabriel
West Hollywood
Glendale
Lancaster
Rowland Heights
Santa Clarita
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for St. Louis to Los Angeles
See prices for flight routes from nearby airports that may be better suited for you.
Top 7 airlines flying from St. Louis to Los Angeles
Discover the top 7 airlines that operate flights from St. Louis to Los Angeles. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 15, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$95 | Average$206 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$172 | Average$173 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$256 | Average$384 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$273 | Average$397 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$296 | Average$547 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$296 | Average$447 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$300 | Average$426 | FlexibilityNo cancel fee | On-time71% |