$68+ Cheap flights from Los Angeles (LAX) to St. Charles, MO
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 9/30. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — STL
Oct 11 — Oct 181
1 adult, Economy
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Find cheap flights from Los Angeles to St. Charles 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 Los Angeles to St. Charles are usually found in October or April, booked 60 days in advance, depart on a Tuesday or Thursday and return on a Wednesday
Cheap flight deals from Los Angeles to St. Charles
Keep the following information in mind while searching for Los Angeles to St. Charles flight deals. Data was last updated September 11, 2025.
Round-trip from | $218 (Cheapflightsfares) |
|---|---|
One-way from | $68 (Trip.com) |
Popular in | December |
Cheapest in | October |
Average price | $372 |
Find flight deals from Los Angeles to St. Charles
Cheapest flights from Los Angeles to St. CharlesExplore the most affordable flight options available from Los Angeles to St. Charles. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.
Explore the most affordable flight options available from Los Angeles to St. Charles. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 9/247:50 pmLAX - STL
2 stops11h 16mMultiple Airlines
Sun 9/282:38 pmSTL - LAX
1 stop23h 08mMultiple Airlines
Deal found 9/11![Multiple Airlines logo]()
$218
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 9/277:50 pmLAX - STL
2 stops11h 16mMultiple Airlines
Mon 9/292:38 pmSTL - LAX
1 stop7h 14mMultiple Airlines
Deal found 9/11![Multiple Airlines logo]()
$220
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 10/1010:11 pmLAX - STL
2 stops15h 45mFrontier
Sun 10/127:52 pmSTL - LAX
1 stop13h 43mFrontier
Deal found 9/10![Frontier logo]()
$221
This Frontier deal was found by Cheapflights users on 9/8. 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.
Fri 10/34:31 pmLAX - STL
2 stops14h 35mFrontier
Wed 10/87:52 pmSTL - LAX
1 stop6h 33mFrontier
Deal found 9/8![Frontier logo]()
$222
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 9/205:07 pmLAX - STL
2 stops19h 57mMultiple Airlines
Thu 9/254:00 pmSTL - LAX
1 stop7h 45mMultiple Airlines
Deal found 9/10![Multiple Airlines logo]()
$223
This Booking.com deal was found by Cheapflights users on 9/9. 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.
Tue 9/231:37 pmLAX - STL
1 stop17h 29mFrontier
Fri 9/267:55 pmSTL - LAX
1 stop23h 35mFrontier
Deal found 9/9![Frontier logo]()
$224
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 11/97:48 pmLAX - STL
1 stop13h 36mFrontier
Fri 11/147:45 pmSTL - LAX
1 stop19h 33mFrontier
Deal found 9/9![Frontier logo]()
$225
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 10/69:03 pmLAX - STL
1 stop10h 04mFrontier
Fri 10/1010:59 pmSTL - LAX
1 stop16h 31mFrontier
Deal found 9/9![Frontier logo]()
$227
This Frontier deal was found by Cheapflights users on 9/10. 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 9/224:31 pmLAX - STL
2 stops14h 35mFrontier
Thu 9/257:55 pmSTL - LAX
1 stop6h 32mFrontier
Deal found 9/10![Frontier logo]()
$228
This Booking.com deal was found by Cheapflights users on 9/10. 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.
Tue 9/167:20 amLAX - STL
1 stop23h 46mFrontier
Sun 9/212:38 pmSTL - LAX
1 stop23h 08mFrontier
Deal found 9/10![Frontier logo]()
$229
This Booking.com deal was found by Cheapflights users on 9/9. 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.
Sun 9/286:35 amLAX - STL
1 stop24h 31mFrontier
Tue 9/307:55 pmSTL - LAX
1 stop18h 57mFrontier
Deal found 9/9![Frontier logo]()
$230
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 9/229:03 pmLAX - STL
1 stop10h 03mFrontier
Sat 9/277:55 pmSTL - LAX
2 stops17h 51mFrontier
Deal found 9/10![Frontier logo]()
$231
Cheapflights Fare Finder
Customize your flight search to find flights from Los Angeles to St. Charles 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 11, 2025.
Use the filters below to find and compare flights from Los Angeles to St. Charles that are best for you.
Fly from
Los Angeles
Fly to
St. Charles
Route
Depart
Return
Price
Los AngelesSt. Louis
LAX - STL
LAXSTL
Los Angeles
Sat 10/11
2:25 pm-8:05 pm
Nonstop3h 40m
Lambert-St Louis
Sat 10/18
1:45 pm-7:20 pm
2 stops7h 35m
$220
Los AngelesSt. Louis
LAX - STL
LAXSTL
Los Angeles
Thu 10/9
5:30 am-11:10 am
Nonstop3h 40m
Lambert-St Louis
Sat 10/11
1:55 pm-4:00 pm
Nonstop4h 05m
$228
Los AngelesSt. Louis
LAX - STL
LAXSTL
Los Angeles
Sat 10/25
5:35 am-11:15 am
Nonstop3h 40m
Lambert-St Louis
Mon 10/27
9:25 pm-11:25 pm
Nonstop4h 00m
$236
Los AngelesSt. Louis
LAX - STL
LAXSTL
Los Angeles
Thu 10/9
5:30 am-11:10 am
Nonstop3h 40m
Lambert-St Louis
Tue 10/14
3:00 pm-8:40 pm
1 stop7h 40m
$240
Los AngelesSt. Louis
LAX - STL
LAXSTL
Los Angeles
Sat 11/8
7:10 am-12:45 pm
Nonstop3h 35m
Lambert-St Louis
Tue 11/11
6:35 pm-8:40 pm
Nonstop4h 05m
$254
Los AngelesSt. Louis
LAX - STL
LAXSTL
Los Angeles
Tue 9/30
4:30 pm-10:15 pm
Nonstop3h 45m
Lambert-St Louis
Wed 10/1
2:05 pm-8:00 pm
1 stop7h 55m
$255
Los AngelesSt. Louis
LAX - STL
LAXSTL
Los Angeles
Mon 10/20
12:56 am-9:52 am
1 stop6h 56m
Lambert-St Louis
Wed 10/22
4:50 pm-9:27 pm
1 stop6h 37m
$257
Los AngelesSt. Louis
LAX - STL
LAXSTL
Los Angeles
Tue 10/14
12:56 am-9:52 am
1 stop6h 56m
Lambert-St Louis
Sat 10/18
1:40 pm-5:15 pm
1 stop5h 35m
$257
Los AngelesSt. Louis
LAX - STL
LAXSTL
Los Angeles
Fri 9/19
9:03 pm-9:06 am
1 stop10h 03m
Lambert-St Louis
Sun 9/21
7:55 pm-10:56 am
2 stops17h 01m
$258
Los AngelesSt. Louis
LAX - STL
LAXSTL
Los Angeles
Wed 10/15
12:53 am-9:22 am
1 stop6h 29m
Lambert-St Louis
Sun 10/19
1:41 pm-8:28 am
1 stop20h 47m
$270
Showing 1-10 of 19 results
Best time to book a flight from Los Angeles to St. Charles
Have a flexible travel schedule? Discover the best time to fly to St. Charles from Los Angeles 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 Los Angeles to St. Charles
How far ahead should I book a flight from Los Angeles to St. Charles?
Use this chart to determine the optimal time to book a round-trip flight from Los Angeles to St. Charles. Price data was last updated on August 29, 2025.
The price you pay for your flight from Los Angeles to St. Charles 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 Los Angeles to St. Charles?
Currently, August is the cheapest month in which you can book a flight from Los Angeles to St. Charles (average of $311). Flying from Los Angeles to St. Charles in March is currently the most expensive (average of $356). 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 LAX to CH5?
Find hourly flight availability from Los Angeles to St. Charles. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.
When flying from Los Angeles to St. Charles, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
What is the cheapest day to fly from Los Angeles to St. Charles?
Use this chart to determine the cheapest time to fly round-trip from Los Angeles to St. Charles. Price data was last updated on December 16, 2024.
Travelers seeking maximum savings on their Los Angeles to St. Charles flight should consider departing on Saturday evenings when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Weekly flight availability from Los Angeles to St. Charles
Explore weekly flight availability from Los Angeles to St. Charles. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated September 11, 2025.
The most flights from LAX to CH5 are scheduled on a Monday (10 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (2 on average).
How much does it cost to fly round-trip from Los Angeles to St. Charles?
Reviews of airlines servicing St. Charles
Get insights into the airlines that provide service to St. Charles. 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 St. Charles. Reviews last updated September 11, 2025.
Peruse reviews from past customers who have flown with Southwest, Delta, and United Airlines from Los Angeles to St. Charles to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.5
Food
7.0
Boarding
8.1
Comfort
8.0
Overall
8.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Entertainment
7.5
Food
7.0
Boarding
8.1
Comfort
8.0
Overall
8.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Entertainment
7.5
Food
7.0
Boarding
8.1
Comfort
8.0
Overall
8.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Entertainment
7.5
Food
7.0
Boarding
8.1
Comfort
8.0
Overall
8.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Entertainment
7.5
Food
7.0
Boarding
8.1
Comfort
8.0
Overall
8.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Entertainment
7.5
Food
7.0
Boarding
8.1
Comfort
8.0
Overall
8.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Related info for your journey
Find useful and relevant information for your journey from Los Angeles to St. Charles. 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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Alternative routes for Los Angeles to St. Charles
See prices for flight routes from nearby airports that may be better suited for you.
Top 6 airlines flying from Los Angeles to St. Charles
Discover the top 6 airlines that operate flights from Los Angeles to St. Charles. 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 11, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$122 | Average$227 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$284 | Average$417 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$292 | Average$382 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$302 | Average$505 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$315 | Average$645 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$329 | Average$476 | FlexibilityNo cancel fee | On-time69% |