$108+ Cheap flights from St. Louis to Los Angeles (STL - LAX)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/14. Fares are subject to change and may not be available on all flights or dates of travel.
STL — LAX
Oct 17 — Oct 241
Round-trip
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 January or February, booked 61 days in advance, depart on a Friday or Thursday and return on a Tuesday
Cheap flight deals from St. Louis to Los Angeles
Cheapest
Best
Last-minute
One-way
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 17, 2026.
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 17, 2026.
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.
Mon 10/126:35 pm -
1 stop19h 27m
Thu 10/2212:14 am -
1 stop15h 26m
Deal found 9/12![Frontier logo]()
$330
This Delta deal was found by Cheapflights users on 9/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/186:13 am -
1 stop8h 41m
Fri 11/271:40 pm -
1 stop5h 38m
Deal found 9/17![Delta logo]()
$338
This American Airlines deal was found by Cheapflights users on 9/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/156:04 am -
Nonstop4h 20m
Fri 10/166:06 pm -
Nonstop3h 40m
Deal found 9/16![American Airlines logo]()
$339
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 11/151:28 pm -
1 stop27h 39m
Wed 11/182:03 pm -
2 stops26h 36m
Deal found 9/16![Frontier logo]()
$340
This American Airlines deal was found by Cheapflights users on 9/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1011:31 am -
1 stop8h 26m
Mon 10/126:06 pm -
Nonstop3h 40m
Deal found 9/16![American Airlines logo]()
$341
This Mytrip deal was found by Cheapflights users on 9/16. 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.
Fri 10/166:35 pm -
2 stops22h 25m
Sun 10/1812:09 am -
1 stop14h 49m
Deal found 9/16![Frontier logo]()
$342
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/67:59 pm -
1 stop20h 47m
Mon 11/96:15 am -
1 stop10h 59m
Deal found 9/15![Frontier logo]()
$343
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/247:42 pm -
1 stop20h 58m
Sat 10/3111:42 am -
1 stop5h 32m
Deal found 9/13![Frontier logo]()
$344
This American Airlines deal was found by Cheapflights users on 9/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/96:04 am -
Nonstop4h 20m
Thu 10/156:06 pm -
Nonstop3h 40m
Deal found 9/16![American Airlines logo]()
$345
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.
Tue 12/16:05 pm -
2 stops19h 58m
Fri 12/412:25 pm -
1 stop28h 29m
Deal found 9/12![Frontier logo]()
$346
This Alaska Airlines 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/106:02 am -
1 stop9h 03m
Sat 10/179:18 am -
1 stop12h 41m
Deal found 9/14![Alaska Airlines logo]()
$347
Best flights from St. Louis to Los AngelesDiscover carefully curated flight deals from St. Louis to Los Angeles that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2026.
Discover carefully curated flight deals from St. Louis to Los Angeles that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2026.
This Southwest deal was found by Cheapflights users on 9/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1012:40 pm -
2 stops8h 00m
Fri 11/135:05 am -
1 stop7h 00m
Deal found 9/16![Southwest logo]()
$343
This Delta deal was found by Cheapflights users on 9/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/2110:30 am -
1 stop8h 21m
Mon 1/256:30 am -
1 stop6h 01m
Deal found 9/16![Delta logo]()
$359
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/43:32 pm -
1 stop6h 58m
Mon 12/76:00 am -
1 stop8h 30m
Deal found 9/15![Delta logo]()
$359
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/178:25 am -
2 stops7h 40m
Wed 10/213:35 pm -
1 stop5h 40m
Deal found 9/15![Southwest logo]()
$385
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/145:20 pm -
1 stop6h 35m
Thu 10/156:40 am -
Nonstop3h 30m
Deal found 9/14![Southwest logo]()
$396
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/218:25 am -
Nonstop4h 10m
Mon 1/2511:00 am -
Nonstop3h 30m
Deal found 9/15![Southwest logo]()
$406
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/158:35 am -
1 stop5h 55m
Tue 11/176:25 am -
Nonstop3h 25m
Deal found 9/13![Southwest logo]()
$478
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/299:00 pm -
Nonstop4h 00m
Fri 10/95:55 pm -
Nonstop3h 35m
Deal found 9/15![Southwest logo]()
$484
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/132:10 pm -
1 stop6h 25m
Sun 3/2811:50 pm -
1 stop6h 35m
Deal found 9/15![Southwest logo]()
$488
Last-minute flights from St. Louis to Los AngelesDiscover last-minute flight deals from St. Louis to Los Angeles. Data last updated September 17, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Los Angeles. Data last updated September 17, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 9/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/96:04 am -
Nonstop4h 20m
Thu 10/156:06 pm -
Nonstop3h 40m
Deal found 9/16![American Airlines logo]()
$345
This American Airlines deal was found by Cheapflights users on 9/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1011:31 am -
1 stop8h 26m
Mon 10/126:06 pm -
Nonstop3h 40m
Deal found 9/16![American Airlines logo]()
$341
This Alaska Airlines 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/106:02 am -
1 stop9h 03m
Sat 10/179:18 am -
1 stop12h 41m
Deal found 9/14![Alaska Airlines logo]()
$347
This Gotogate deal was found by Cheapflights users on 9/16. 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.
Sat 10/106:02 am -
1 stop10h 42m
Sun 10/119:57 pm -
1 stop12h 38m
Deal found 9/16![Multiple Airlines logo]()
$354
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.
Mon 10/126:35 pm -
1 stop19h 27m
Thu 10/2212:14 am -
1 stop15h 26m
Deal found 9/12![Frontier logo]()
$330
This American Airlines deal was found by Cheapflights users on 9/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/156:04 am -
Nonstop4h 20m
Fri 10/166:06 pm -
Nonstop3h 40m
Deal found 9/16![American Airlines logo]()
$339
This Mytrip deal was found by Cheapflights users on 9/16. 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.
Fri 10/166:35 pm -
2 stops22h 25m
Sun 10/1812:09 am -
1 stop14h 49m
Deal found 9/16![Frontier logo]()
$342
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/177:42 pm -
1 stop17h 03m
Mon 10/196:05 am -
1 stop11h 10m
Deal found 9/14![Frontier logo]()
$351
This Cheapflightsfares deal was found by Cheapflights users on 9/17. 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 10/238:00 pm -
1 stop6h 29m
Sun 10/254:33 pm -
1 stop18h 02m
Deal found 9/17![Frontier logo]()
$353
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/247:42 pm -
1 stop20h 58m
Sat 10/3111:42 am -
1 stop5h 32m
Deal found 9/13![Frontier logo]()
$344
One-way flights from St. Louis to Los AngelesSearch for one-way flight options from St. Louis to Los Angeles. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.
Search for one-way flight options from St. Louis to Los Angeles. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.
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.
Sat 11/147:59 pm -
1 stop6h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Frontier logo]()
$108
This Super.com deal was found by Cheapflights users on 9/17. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/612:17 pm -
1 stop6h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Frontier logo]()
$118
This Priceline deal was found by Cheapflights users on 9/16. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/21:28 pm -
1 stop7h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Frontier logo]()
$120
This Kiwi.com deal was found by Cheapflights users on 9/17. 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 10/196:35 pm -
2 stops31h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Frontier logo]()
$123
This Booking.com deal was found by Cheapflights users on 9/16. 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.
Wed 11/44:18 pm -
1 stop10h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Frontier logo]()
$124
This Frontier deal was found by Cheapflights users on 9/17. 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.
Wed 10/144:19 pm -
1 stop10h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Frontier logo]()
$125
This Kiwi.com deal was found by Cheapflights users on 9/17. 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 11/166:44 pm -
2 stops18h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Frontier logo]()
$126
This Kiwi.com deal was found by Cheapflights users on 9/16. 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.
Sat 10/177:42 pm -
1 stop6h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Frontier logo]()
$129
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 11/137:59 pm -
1 stop20h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Frontier logo]()
$132
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 September 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $330 (Kiwi.com) |
One-way from | $108 (Kiwi.com) |
Popular in | August |
Cheapest in | January |
Average price | $421 |
Good round-trip deal | $411 or less |
Good one-way deal | $205 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 7,457,451 searches. Data last updated September 17, 2026.
Use the filters below to find and compare flights from St. Louis to Los Angeles that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
St. LouisLos Angeles
STL Lambert-St Louis - LAX Los Angeles
STLLAX
Lambert-St Louis
Tue 11/17
8:30 am-10:35 am
Nonstop4h 05m
Los Angeles
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$139
St. LouisLos Angeles
STL Lambert-St Louis - LAX Los Angeles
STLLAX
Lambert-St Louis
Tue 10/13
2:22 pm-6:12 pm
1 stop5h 50m
Los Angeles
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$149
St. LouisLos Angeles
STL Lambert-St Louis - LAX Los Angeles
STLLAX
Lambert-St Louis
Wed 10/21
3:35 pm-9:55 pm
2 stops8h 20m
Los Angeles
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$154
St. LouisLos Angeles
STL Lambert-St Louis - LAX Los Angeles
STLLAX
Lambert-St Louis
Tue 10/6
3:35 pm-9:55 pm
2 stops8h 20m
Los Angeles
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$154
Quickest round-trip
St. LouisLos Angeles
STL Lambert-St Louis - LAX Los Angeles
STLLAX
Lambert-St Louis
Mon 10/5
9:55 pm-11:55 pm
Nonstop4h 00m
Los Angeles
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$160
St. LouisLos Angeles
STL Lambert-St Louis - LAX Los Angeles
STLLAX
Lambert-St Louis
Thu 2/4
1:09 pm-7:19 pm
1 stop8h 10m
Los Angeles
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$170
St. LouisLos Angeles
STL Lambert-St Louis - LAX Los Angeles
STLLAX
Lambert-St Louis
Sat 10/24
8:30 am-10:35 am
Nonstop4h 05m
Los Angeles
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$222
St. LouisLos Angeles
STL Lambert-St Louis - LAX Los Angeles
STLLAX
Lambert-St Louis
Tue 11/3
3:35 pm-8:55 pm
1 stop7h 20m
Los Angeles
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$232
St. LouisLos Angeles
STL Lambert-St Louis - LAX Los Angeles
STLLAX
Lambert-St Louis
Sat 3/13
4:35 pm-12:10 am
2 stops9h 35m
Los Angeles
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$237
St. LouisLos Angeles
STL Lambert-St Louis - LAX Los Angeles
STLLAX
Lambert-St Louis
Mon 10/19
9:55 pm-11:55 pm
Nonstop4h 00m
Los Angeles
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$247
Showing 1-10 of 20 resultsSorted by cheapest first
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 September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on St. Louis-Los Angeles flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Los Angeles flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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.
STL-LAX
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?
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 60 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 $373). Flying from St. Louis to Los Angeles in August is currently the most expensive (average of $469). 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 17, 2026.
It’s optimal to fly from St. Louis to Los Angeles in the evening. By choosing this option you can save up to 29% 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 12, 2026.
Travelers seeking maximum savings on their St. Louis to Los Angeles flight should consider departing on Sunday at noon when fares are most often at their lowest. Monday mornings 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 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.
Denver (DEN) is the most affordable 1-stop option, with an average round-trip price of $265.
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 Phoenix (PHX) have the shortest average one-way travel time for 1-stop routes: 6h 10m.
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 Phoenix (PHX) offer the fastest connection on this route, with an average layover time of 0h 58m.
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
Our travel experts
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 17, 2026.
See what other customers who have flown with Southwest,Delta, andUnited 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.
Boarding
8.1
Entertainment
7.5
Overall
8.0
Comfort
8.0
Crew
8.6
Food
7.0
Reviews
1 / 20
2.0
MediocreBhoopal,Nov 2024
STL - BOS
Boarding
8.1
Entertainment
7.5
Overall
8.0
Comfort
8.0
Crew
8.6
Food
7.0
Reviews
1 / 20
2.0
MediocreBhoopal,Nov 2024
STL - BOS
Boarding
8.1
Entertainment
7.5
Overall
8.0
Comfort
8.0
Crew
8.6
Food
7.0
Reviews
1 / 20
2.0
MediocreBhoopal,Nov 2024
STL - BOS
Boarding
8.1
Entertainment
7.5
Overall
8.0
Comfort
8.0
Crew
8.6
Food
7.0
Reviews
1 / 20
2.0
MediocreBhoopal,Nov 2024
STL - BOS
Boarding
8.1
Entertainment
7.5
Overall
8.0
Comfort
8.0
Crew
8.6
Food
7.0
Reviews
1 / 20
2.0
MediocreBhoopal,Nov 2024
STL - BOS
Boarding
8.1
Entertainment
7.5
Overall
8.0
Comfort
8.0
Crew
8.6
Food
7.0
Reviews
1 / 20
2.0
MediocreBhoopal,Nov 2024
STL - BOS
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.
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Book flights to Los Angeles if you plan to visit one of these locationsDowney
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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 7,457,451 searches. Data last updated September 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$139 | Average$256 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$267 | Average$396 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$290 | Average$408 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$304 | Average$384 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$310 | Average$445 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$312 | Average$447 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$347 | Average$625 | FlexibilityNo cancel fee | On-time75% |