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.
$116+ 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 1/22. Fares are subject to change and may not be available on all flights or dates of travel.
STL — LAX
Jan 7 — Jan 141
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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 October, booked 58 days in advance, depart on a Wednesday or Thursday and return on a Thursday
Cheap 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 December 8, 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 December 8, 2025.
This CheapOair deal was found by Cheapflights users on 12/7. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/247:43 pmSTL - LAX
1 stop13h 59mFrontier
Thu 1/16:34 amLAX - STL
1 stop25h 28mFrontier
Deal found 12/7![Frontier logo]()
$208
This Kiwi.com deal was found by Cheapflights users on 12/8. 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 12/151:16 pmSTL - LAX
1 stop8h 49mMultiple Airlines
Wed 12/245:59 pmLAX - STL
1 stop20h 25mMultiple Airlines
Deal found 12/8![Multiple Airlines logo]()
$214
This Kiwi.com deal was found by Cheapflights users on 12/8. 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 12/177:43 pmSTL - LAX
1 stop13h 59mMultiple Airlines
Wed 12/245:59 pmLAX - STL
1 stop20h 25mMultiple Airlines
Deal found 12/8![Multiple Airlines logo]()
$217
This CheapOair deal was found by Cheapflights users on 12/6. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/177:43 pmSTL - LAX
1 stop13h 59mFrontier
Sun 1/113:25 pmLAX - STL
1 stop18h 47mFrontier
Deal found 12/6![Frontier logo]()
$218
This CheapOair deal was found by Cheapflights users on 12/6. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/177:43 pmSTL - LAX
1 stop13h 59mFrontier
Thu 1/13:58 pmLAX - STL
1 stop16h 04mFrontier
Deal found 12/6![Frontier logo]()
$219
This Kiwi.com deal was found by Cheapflights users on 12/7. 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 12/317:43 pmSTL - LAX
1 stop6h 47mFrontier
Tue 1/137:10 amLAX - STL
1 stop29h 38mFrontier
Deal found 12/7![Frontier logo]()
$220
This Kiwi.com deal was found by Cheapflights users on 12/5. 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 12/177:43 pmSTL - LAX
2 stops22h 31mFrontier
Fri 1/94:33 pmLAX - STL
1 stop15h 29mFrontier
Deal found 12/5![Frontier logo]()
$222
This Frontier deal was found by Cheapflights users on 12/8. 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.
Mon 12/151:16 pmSTL - LAX
1 stop8h 49mFrontier
Sun 12/218:58 pmLAX - STL
1 stop11h 04mFrontier
Deal found 12/8![Frontier logo]()
$228
This Kiwi.com deal was found by Cheapflights users on 12/7. 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 12/151:16 pmSTL - LAX
1 stop8h 49mFrontier
Tue 12/163:30 pmLAX - STL
2 stops16h 44mFrontier
Deal found 12/7![Frontier logo]()
$230
This CheapOair deal was found by Cheapflights users on 12/7. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2010:10 pmSTL - LAX
1 stop24h 21mFrontier
Thu 12/259:58 pmLAX - STL
1 stop21h 27mFrontier
Deal found 12/7![Frontier logo]()
$233
This Gotogate deal was found by Cheapflights users on 12/6. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/1512:07 pmSTL - LAX
1 stop7h 04mFrontier
Thu 12/189:58 pmLAX - STL
1 stop21h 27mFrontier
Deal found 12/6![Frontier logo]()
$234
This Mytrip deal was found by Cheapflights users on 12/5. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/137:43 pmSTL - LAX
1 stop13h 59mFrontier
Sun 12/1410:24 pmLAX - STL
1 stop11h 48mFrontier
Deal found 12/5![Frontier logo]()
$238
Find 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 December 8, 2025.
Most accurate provider | Justfly.com 3 stars |
|---|---|
Most trusted provider | Justfly.com 3 stars |
Round-trip from | $208 (CheapOair) |
One-way from | $116 (Super.com) |
Popular in | March |
Cheapest in | September |
Average price | $401 |
Good round-trip deal | $386 or less |
Good one-way deal | $197 or less |
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 December 8, 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
Tue 3/3
10:25 am-12:45 pm
Nonstop4h 20m
Los Angeles
Tue 3/10
12:30 pm-6:00 pm
Nonstop3h 30m
$295
St. LouisLos Angeles
STL - LAX
STLLAX
Lambert-St Louis
Sat 1/24
10:25 am-12:45 pm
Nonstop4h 20m
Los Angeles
Sun 2/1
5:50 am-11:30 am
Nonstop3h 40m
$310
St. LouisLos Angeles
STL - LAX
STLLAX
Lambert-St Louis
Tue 1/13
11:23 am-10:21 pm
2 stops12h 58m
Los Angeles
Sat 1/24
9:55 am-9:38 pm
2 stops9h 43m
$314
St. LouisLos Angeles
STL - LAX
STLLAX
Lambert-St Louis
Tue 2/17
3:38 pm-9:20 pm
1 stop7h 42m
Los Angeles
Tue 2/24
5:45 am-1:32 pm
1 stop5h 47m
$315
St. LouisLos Angeles
STL - LAX
STLLAX
Lambert-St Louis
Tue 3/3
11:23 am-4:49 pm
1 stop7h 26m
Los Angeles
Tue 3/10
6:00 am-5:05 pm
1 stop9h 05m
$315
St. LouisLos Angeles
STL - LAX
STLLAX
Lambert-St Louis
Wed 1/14
10:15 am-4:15 pm
1 stop8h 00m
Los Angeles
Fri 1/16
5:50 am-11:30 am
Nonstop3h 40m
$320
St. LouisLos Angeles
STL - LAX
STLLAX
Lambert-St Louis
Fri 1/23
6:10 am-4:38 pm
2 stops12h 28m
Los Angeles
Sat 1/31
9:55 am-9:38 pm
2 stops9h 43m
$324
St. LouisLos Angeles
STL - LAX
STLLAX
Lambert-St Louis
Fri 2/27
7:00 pm-9:15 pm
Nonstop4h 15m
Los Angeles
Mon 3/2
5:50 am-11:30 am
Nonstop3h 40m
$325
St. LouisLos Angeles
STL - LAX
STLLAX
Lambert-St Louis
Tue 1/27
2:50 pm-10:58 pm
1 stop10h 08m
Los Angeles
Fri 1/30
11:20 am-10:46 pm
1 stop9h 26m
$329
St. LouisLos Angeles
STL - LAX
STLLAX
Lambert-St Louis
Thu 1/22
6:40 am-12:26 pm
1 stop7h 46m
Los Angeles
Tue 2/3
6:00 am-2:38 pm
1 stop6h 38m
$330
Showing 1-10 of 21 results
Compare providers for flights from St. Louis to Los Angeles
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Los Angeles in December.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on St. Louis-Los Angeles flights, users find the pricing of Justfly.com to be most consistent on Cheapflights vs. Justfly.com Users can find the same prices on St. Louis-Los Angeles flight deals on Cheapflights vs. Justfly.com >95% of the time. Price accuracy is based on data collected from St. Louis-Los Angeles flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on St. Louis-Los Angeles flights, Cheapflights users trust Justfly.com the most. Justfly.com has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Los Angeles flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
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
Airlines
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 December 5, 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 $94). Flying from St. Louis to Los Angeles in August is currently the most expensive (average of $263). 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 December 8, 2025.
It’s optimal to fly from St. Louis to Los Angeles at noon. By choosing this option you can save up to 31% 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 December 6, 2025.
Travelers seeking maximum savings on their St. Louis to Los Angeles flight should consider departing on Friday at noon when fares are most often at their lowest. Sunday 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.
Atlanta (ATL) – chosen by Cheapflights users on 50% of 1-stop itineraries from St. Louis to Los Angeles on Cheapflights.
What’s the cheapest layover airport for flights from St. Louis to Los Angeles?
Average round-trip fare for 1-stop flights from St. Louis to Los Angeles, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Atlanta (ATL) is the most affordable 1-stop option, with an average round-trip price of $255.
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 Denver (DEN) have the shortest average one-way travel time for 1-stop routes: 7h 34m.
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.
The best insider tips for St. Louis to Los Angeles flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your St. Louis to Los Angeles trip
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 December 8, 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.
Crew
8.6
Entertainment
7.5
Overall
8.0
Boarding
8.1
Comfort
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Crew
8.6
Entertainment
7.5
Overall
8.0
Boarding
8.1
Comfort
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Crew
8.6
Entertainment
7.5
Overall
8.0
Boarding
8.1
Comfort
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Crew
8.6
Entertainment
7.5
Overall
8.0
Boarding
8.1
Comfort
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Crew
8.6
Entertainment
7.5
Overall
8.0
Boarding
8.1
Comfort
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Crew
8.6
Entertainment
7.5
Overall
8.0
Boarding
8.1
Comfort
8.0
Food
7.0
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 locationsDowney
Stanton
Oceanside
Universal City
Avalon
Buena Park
El Segundo
Inglewood
Hesperia
Glendale
Torrance
Lancaster
Manhattan Beach
Redondo Beach
Montebello
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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 December 8, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$94 | Average$196 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$172 | Average$173 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$256 | Average$371 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$265 | Average$387 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$279 | Average$414 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$295 | Average$414 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$296 | Average$512 | FlexibilityNo cancel fee | On-time75% |