$66+ 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 1/14. Fares are subject to change and may not be available on all flights or dates of travel.
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 51 days in advance, depart on a Thursday or Tuesday and return on a Wednesday
Cheap 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 December 15, 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 December 15, 2025.
This Frontier deal was found by Cheapflights users on 12/14. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Kiwi.com deal was found by Cheapflights users on 12/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Expedia deal was found by Cheapflights users on 12/15. 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.
This Frontier deal was found by Cheapflights users on 12/13. 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.
This CheapOair deal was found by Cheapflights users on 12/15. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Kiwi.com deal was found by Cheapflights users on 12/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Frontier deal was found by Cheapflights users on 12/15. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Expedia deal was found by Cheapflights users on 12/14. 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.
This CheapOair deal was found by Cheapflights users on 12/14. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This CheapOair deal was found by Cheapflights users on 12/14. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Find 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 December 15, 2025.
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $208 (Kiwi.com) |
One-way from | $66 (WAYA) |
Popular in | June |
Cheapest in | October |
Average price | $420 |
Cheapflights Fare Finder
Use the filters below to find and compare flights from Los Angeles to St. Charles that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
Los AngelesSt. Louis
LAX - STL
LAXSTL
Los Angeles
Tue 12/23
3:30 pm-4:24 pm
1 stop22h 54m
Lambert-St Louis
Sun 1/4
10:10 pm-8:31 pm
1 stop24h 21m
Los AngelesSt. Louis
LAX - STL
LAXSTL
Los Angeles
Sat 2/21
5:15 am-10:40 am
Nonstop3h 25m
Lambert-St Louis
Wed 2/25
10:25 am-12:45 pm
Nonstop4h 20m
Los AngelesSt. Louis
LAX - STL
LAXSTL
Los Angeles
Wed 3/4
6:20 pm-11:48 pm
Nonstop3h 28m
Lambert-St Louis
Tue 3/10
6:38 am-9:02 am
Nonstop4h 24m
Los AngelesSt. Louis
LAX - STL
LAXSTL
Los Angeles
Sat 1/17
6:35 am-1:50 pm
1 stop5h 15m
Lambert-St Louis
Sat 1/24
10:25 am-12:45 pm
Nonstop4h 20m
Los AngelesSt. Louis
LAX - STL
LAXSTL
Los Angeles
Tue 2/3
11:35 am-5:10 pm
Nonstop3h 35m
Lambert-St Louis
Thu 2/5
9:50 am-12:10 pm
Nonstop4h 20m
Los AngelesSt. Louis
LAX - STL
LAXSTL
Los Angeles
Wed 3/4
11:45 am-11:23 pm
2 stops9h 38m
Lambert-St Louis
Tue 3/10
2:22 pm-10:47 pm
2 stops10h 25m
Los AngelesSt. Louis
LAX - STL
LAXSTL
Los Angeles
Sat 1/17
9:55 am-11:25 pm
2 stops11h 30m
Lambert-St Louis
Sat 1/24
6:40 am-4:38 pm
2 stops11h 58m
Los AngelesSt. Louis
LAX - STL
LAXSTL
Los Angeles
Wed 12/24
1:36 pm-9:34 pm
1 stop5h 58m
Lambert-St Louis
Thu 12/25
7:20 am-12:29 pm
1 stop7h 09m
Los AngelesSt. Louis
LAX - STL
LAXSTL
Los Angeles
Wed 1/14
7:10 am-2:48 pm
1 stop5h 38m
Los AngelesSt. Louis
LAX - STL
LAXSTL
Los Angeles
Wed 1/14
4:07 pm-12:40 pm
1 stop18h 33m
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.
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 December 12, 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 51 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, February is the cheapest month in which you can book a flight from Los Angeles to St. Charles (average of $143). Flying from Los Angeles to St. Charles in June is currently the most expensive (average of $297). 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 December 15, 2025.
It’s typically best to fly out from Los Angeles to St. Charles in the morning. Doing so could potentially save you 16% on the flight price compared to flying at noon, which is usually more expensive.
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 at noon 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 December 15, 2025.
The most flights from LAX to CH5 are scheduled on a Monday (12 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (3 on average).
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 December 15, 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
Food
Crew
Overall
Boarding
Comfort
Reviews
William Drew,Nov 2025
SJC - HNL
Entertainment
Food
Crew
Overall
Boarding
Comfort
Reviews
William Drew,Nov 2025
SJC - HNL
Entertainment
Food
Crew
Overall
Boarding
Comfort
Reviews
William Drew,Nov 2025
SJC - HNL
Entertainment
Food
Crew
Overall
Boarding
Comfort
Reviews
William Drew,Nov 2025
SJC - HNL
Entertainment
Food
Crew
Overall
Boarding
Comfort
Reviews
William Drew,Nov 2025
SJC - HNL
Entertainment
Food
Crew
Overall
Boarding
Comfort
Reviews
William Drew,Nov 2025
SJC - HNL
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 December 15, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$139 | Average$225 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$257 | Average$487 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$258 | Average$425 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$283 | Average$397 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$296 | Average$382 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$302 | Average$490 | FlexibilityNo cancel fee | On-time71% |