St. Charles

$147+ 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 11/24. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — STL
Nov 29 — Dec 61
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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Los Angeles to St. Charles are usually found in April or September, 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

Keep the following information in mind while searching for Los Angeles to St. Charles flight deals. Data was last updated October 30, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$166
(Kiwi.com)

One-way from

$147
(Frontier)

Popular in

December

Cheapest in

April

Average price

$367
Provider with most accurate pricing for Los Angeles-Lambert-St Louis flight deals.
Provider most trusted by Cheapflights users for Los Angeles-Lambert-St Louis flights.
From Los Angeles to St. Charles
One-way flight from Los Angeles to St. Charles
Highest demand for flights based on searches. 4% potential increase in price ($18 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
Average for round-trip flights in October 2025

Find flight deals from Los Angeles to St. Charles

Cheapest flights from Los Angeles to St. Charles
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 October 30, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/28. 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 11/197:00 amLAX - STL
2 stops14h 01mFrontier
Thu 11/203:14 pmSTL - LAX
1 stop8h 16mFrontier
Deal found 10/28$166
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 12/251:01 pmLAX - STL
1 stop28h 46mFrontier
Wed 12/317:43 pmSTL - LAX
1 stop13h 59mFrontier
Deal found 10/28$167
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 12/251:01 pmLAX - STL
1 stop28h 46mFrontier
Tue 12/3010:48 amSTL - LAX
1 stop25h 22mFrontier
Deal found 10/29$168
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 11/116:10 amLAX - STL
2 stops24h 57mMultiple Airlines
Sat 11/157:45 pmSTL - LAX
1 stop6h 40mMultiple Airlines
Deal found 10/28$172
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 12/251:01 pmLAX - STL
1 stop28h 46mFrontier
Fri 1/28:42 pmSTL - LAX
1 stop16h 38mFrontier
Deal found 10/29$173
This CheapOair deal was found by Cheapflights users on 10/30. 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 11/82:48 pmLAX - STL
1 stop16h 19mFrontier
Tue 11/187:45 pmSTL - LAX
1 stop19h 33mFrontier
Deal found 10/30$176
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 11/1712:42 pmLAX - STL
2 stops18h 25mFrontier
Thu 11/207:57 pmSTL - LAX
1 stop6h 12mFrontier
Deal found 10/28$177
This Kiwi.com deal was found by Cheapflights users on 10/30. 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 11/139:04 amLAX - STL
2 stops22h 03mMultiple Airlines
Mon 11/172:42 pmSTL - LAX
1 stop7h 11mMultiple Airlines
Deal found 10/30$179
This CheapOair deal was found by Cheapflights users on 10/28. 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.
Thu 11/138:40 pmLAX - STL
1 stop15h 17mFrontier
Sun 11/162:42 pmSTL - LAX
1 stop23h 27mFrontier
Deal found 10/28$182
This CheapOair deal was found by Cheapflights users on 10/30. 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.
Thu 11/68:40 pmLAX - STL
1 stop21h 32mFrontier
Fri 11/142:42 pmSTL - LAX
1 stop7h 11mFrontier
Deal found 10/30$183

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 October 30, 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

Wed 11/19

7:20 am-6:57 pm

2 stops9h 37m

Lambert-St Louis

Sun 11/23

6:00 am-3:25 pm

2 stops11h 25m

$324

Los AngelesSt. Louis

LAX - STL

LAXSTL

Los Angeles

Sat 12/6

7:40 am-5:00 pm

2 stops7h 20m

Lambert-St Louis

Sat 12/13

1:45 pm-7:15 pm

2 stops7h 30m

$325

Los AngelesSt. Louis

LAX - STL

LAXSTL

Los Angeles

Fri 12/26

5:10 am-10:50 am

Nonstop3h 40m

Lambert-St Louis

Tue 12/30

7:25 pm-12:25 am

1 stop7h 00m

$335

Los AngelesSt. Louis

LAX - STL

LAXSTL

Los Angeles

Thu 12/18

5:00 am-10:40 am

Nonstop3h 40m

Lambert-St Louis

Mon 12/22

6:00 am-8:10 am

Nonstop4h 10m

$339

Los AngelesSt. Louis

LAX - STL

LAXSTL

Los Angeles

Tue 11/25

5:10 am-10:50 am

Nonstop3h 40m

Lambert-St Louis

Mon 12/1

7:05 pm-12:10 am

1 stop7h 05m

$360

Los AngelesSt. Louis

LAX - STL

LAXSTL

Los Angeles

Thu 12/4

7:40 am-7:10 pm

2 stops9h 30m

Lambert-St Louis

Sun 12/7

2:20 pm-11:13 pm

2 stops10h 53m

$366

Los AngelesSt. Louis

LAX - STL

LAXSTL

Los Angeles

Wed 12/24

12:25 am-9:49 am

1 stop7h 24m

Lambert-St Louis

Wed 12/31

6:35 pm-11:59 pm

1 stop7h 24m

$367

Los AngelesSt. Louis

LAX - STL

LAXSTL

Los Angeles

Fri 1/16

3:20 pm-11:25 pm

1 stop6h 05m

Lambert-St Louis

Mon 1/19

6:10 am-2:01 pm

1 stop9h 51m

$369

Los AngelesSt. Louis

LAX - STL

LAXSTL

Los Angeles

Mon 12/1

5:10 am-10:50 am

Nonstop3h 40m

Lambert-St Louis

Wed 12/3

6:35 pm-8:40 pm

Nonstop4h 05m

$370

Los AngelesSt. Louis

LAX - STL

LAXSTL

Los Angeles

Sat 12/27

11:55 pm-11:12 am

1 stop9h 17m

Lambert-St Louis

Thu 1/1

6:05 am-11:07 am

1 stop7h 02m

$372

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Showing 1-10 of 21 results
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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 October 24, 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, January is the cheapest month in which you can book a flight from Los Angeles to St. Charles (average of $140). Flying from Los Angeles to St. Charles in June is currently the most expensive (average of $299). 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 October 30, 2025.

It’s typically best to fly out from Los Angeles to St. Charles in the morning. Doing so could potentially save you 17% 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 Tuesday 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.

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 October 30, 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.

Food

7.0

Comfort

8.0

Entertainment

7.5

Crew

8.6

Overall

8.0

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Walter,Aug 2025

OAK - SAN

Dozens of flights and I've never seen a row's beverages forgotten. I even went back and asked the attendant to check on them and nothing. I really hope it didn't have something to do with the Black mother with her kid in the row. Otherwise it was a typical Southwest flight, rapid boarding, tolerable leg room.

Food

7.0

Comfort

8.0

Entertainment

7.5

Crew

8.6

Overall

8.0

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Walter,Aug 2025

OAK - SAN

Dozens of flights and I've never seen a row's beverages forgotten. I even went back and asked the attendant to check on them and nothing. I really hope it didn't have something to do with the Black mother with her kid in the row. Otherwise it was a typical Southwest flight, rapid boarding, tolerable leg room.

Food

7.0

Comfort

8.0

Entertainment

7.5

Crew

8.6

Overall

8.0

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Walter,Aug 2025

OAK - SAN

Dozens of flights and I've never seen a row's beverages forgotten. I even went back and asked the attendant to check on them and nothing. I really hope it didn't have something to do with the Black mother with her kid in the row. Otherwise it was a typical Southwest flight, rapid boarding, tolerable leg room.

Food

7.0

Comfort

8.0

Entertainment

7.5

Crew

8.6

Overall

8.0

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Walter,Aug 2025

OAK - SAN

Dozens of flights and I've never seen a row's beverages forgotten. I even went back and asked the attendant to check on them and nothing. I really hope it didn't have something to do with the Black mother with her kid in the row. Otherwise it was a typical Southwest flight, rapid boarding, tolerable leg room.

Food

7.0

Comfort

8.0

Entertainment

7.5

Crew

8.6

Overall

8.0

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Walter,Aug 2025

OAK - SAN

Dozens of flights and I've never seen a row's beverages forgotten. I even went back and asked the attendant to check on them and nothing. I really hope it didn't have something to do with the Black mother with her kid in the row. Otherwise it was a typical Southwest flight, rapid boarding, tolerable leg room.

Food

7.0

Comfort

8.0

Entertainment

7.5

Crew

8.6

Overall

8.0

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Walter,Aug 2025

OAK - SAN

Dozens of flights and I've never seen a row's beverages forgotten. I even went back and asked the attendant to check on them and nothing. I really hope it didn't have something to do with the Black mother with her kid in the row. Otherwise it was a typical Southwest flight, rapid boarding, tolerable leg room.

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.
  • What airport do you fly from for flights from Los Angeles to St. Charles?

    Los Angeles (LAX), located 9.4 mi from the city center, is the airport you fly out of when you book flights from Los Angeles to St. Charles. 6 airlines have flights from Los Angeles to St. Charles on a regular basis. Booking flights from Los Angeles to St. Charles should not be difficult; the airport handles an average of 1 outbound flight to St. Charles per day.

  • How popular is this Los Angeles to St. Charles flight route?

  • How long is the flight from Los Angeles to St. Charles?

    There are many flights that can get you from Los Angeles to St. Charles in 7h 20m. Fly via Delta or Southwest to get the fastest option. There are 1588 mi between Los Angeles and St. Charles. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the most reliable airlines from Los Angeles to St. Charles?

    Before booking your flight to St. Charles from Los Angeles, check out the most reliable airlines to get you to your destination on time: Sun Country Air (100%), Qantas Airways (86%), Qatar Airways( 85%).

  • What are the cheapest flights from Los Angeles to St. Charles?

    On average you can expect to pay $442 for a flight from Los Angeles to St. Charles. The cheapest flight overall is $147 while the most popular route, (Los Angeles - Lambert-St Louis) is currently priced at $164.

  • Can I find deals for flights from Los Angeles to St. Charles that include hotel bookings?

    Yes. In addition to deals on Los Angeles to St. Charles flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Los Angeles to St. Charles?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Los Angeles to St. Charles.

  • Can I find deals for business class flights from Los Angeles to St. Charles?

    Yes. Cheapflights offers flight deals from Los Angeles to St. Charles by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Los Angeles to St. Charles?

    Currently, January is the cheapest month in which you can book a flight from Los Angeles to St. Charles (average of $140). Flying from Los Angeles to St. Charles in June is currently the most expensive (average of $299). 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.

See more FAQs

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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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$124Average$225FlexibilityNo cancel feeOn-time62%
Alaska AirlinesCheapest$257Average$575FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$258Average$402FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$283Average$402FlexibilityNo cancel feeOn-time63%
DeltaCheapest$296Average$382FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$302Average$495FlexibilityNo cancel feeOn-time71%

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