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St. Charles

$127+ 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 10/17. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — STL
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
1 adult, Economy
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Cheapflights Tip: The best prices from Los Angeles to St. Charles are usually found in August or September, booked 60 days in advance, depart on a Tuesday or Friday 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 July 31, 2025.

Round-trip from

$285
(FlightHub)

One-way from

$127
(FlightHub)

Popular in

December

Cheapest in

August

Average price

$435
From Los Angeles to St. Charles
Search Deals
One-way flight from Los Angeles to St. Charles
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($28 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
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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 July 31, 2025.

This FlightHub deal was found by Cheapflights users on 7/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/33:48 pmLAX - STL
1 stop19h 54mFrontier
Thu 8/72:27 pmSTL - LAX
1 stop7h 25mFrontier
Deal found 7/29$285
This Mytrip deal was found by Cheapflights users on 7/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/35:50 amLAX - STL
2 stops8h 45mMultiple Airlines
Sun 10/512:05 pmSTL - LAX
1 stop13h 10mMultiple Airlines
Deal found 7/29$286
This Mytrip deal was found by Cheapflights users on 7/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/149:22 amLAX - STL
2 stops26h 10mSpirit Airlines
Sun 8/172:30 pmSTL - LAX
1 stop10h 39mSpirit Airlines
Deal found 7/29$289
This Southwest deal was found by Cheapflights users on 7/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/104:30 pmLAX - STL
Nonstop3h 45mSouthwest
Sat 9/131:40 pmSTL - LAX
Nonstop3h 55mSouthwest
Deal found 7/29$295
This Delta deal was found by Cheapflights users on 7/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1812:35 amLAX - STL
1 stop6h 01mDelta
Sat 8/238:46 amSTL - LAX
1 stop8h 13mDelta
Deal found 7/29$319
This American Airlines deal was found by Cheapflights users on 7/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/712:45 amLAX - STL
1 stop6h 08mAmerican Airlines
Sat 10/116:39 amSTL - LAX
Nonstop3h 48mAmerican Airlines
Deal found 7/30$330

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 July 31, 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

Sun 8/10

6:15 am-9:11 am

1 stop24h 56m

Lambert-St Louis

Thu 8/14

2:27 pm-7:52 pm

1 stop7h 25m

$285

Los AngelesSt. Louis

LAX - STL

LAXSTL

Los Angeles

Fri 10/3

5:50 am-4:35 pm

2 stops8h 45m

Lambert-St Louis

Sun 10/5

12:05 pm-11:15 pm

1 stop13h 10m

$286

Los AngelesSt. Louis

LAX - STL

LAXSTL

Los Angeles

Thu 8/28

6:20 am-1:32 pm

3 stops29h 12m

Lambert-St Louis

Thu 9/4

12:05 pm-11:15 pm

1 stop13h 10m

$287

Los AngelesSt. Louis

LAX - STL

LAXSTL

Los Angeles

Wed 9/10

4:30 pm-10:15 pm

Nonstop3h 45m

Lambert-St Louis

Sat 9/13

1:40 pm-3:35 pm

Nonstop3h 55m

$295

Los AngelesSt. Louis

LAX - STL

LAXSTL

Los Angeles

Mon 8/18

12:35 am-8:36 am

1 stop6h 01m

Lambert-St Louis

Sat 8/23

8:46 am-2:59 pm

1 stop8h 13m

$319

Los AngelesSt. Louis

LAX - STL

LAXSTL

Los Angeles

Tue 10/7

12:45 am-8:53 am

1 stop6h 08m

Lambert-St Louis

Sat 10/11

6:39 am-8:27 am

Nonstop3h 48m

$330

Los AngelesSt. Louis

LAX - STL

LAXSTL

Los Angeles

Fri 10/17

6:15 am-9:07 am

1 stop24h 52m

$127

Los AngelesSt. Louis

LAX - STL

LAXSTL

Los Angeles

Tue 8/5

7:20 pm-10:29 am

2 stops13h 09m

$136

Los AngelesSt. Louis

LAX - STL

LAXSTL

Los Angeles

Thu 10/23

7:00 am-6:36 pm

2 stops9h 36m

$147

Los AngelesSt. Louis

LAX - STL

LAXSTL

Los Angeles

Tue 10/14

6:30 pm-12:10 am

Nonstop3h 40m

$148

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 14 results
1
2

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 July 25, 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 July 31, 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 July 31, 2025.

The most flights from LAX to CH5 are scheduled on a Thursday (12 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (7 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 July 31, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest, and Delta 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.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Comfort

7.8

Boarding

8.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Comfort

7.8

Boarding

8.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,246 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Comfort

7.8

Boarding

8.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,981 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Comfort

7.8

Boarding

8.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,900 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Comfort

7.8

Boarding

8.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Comfort

7.8

Boarding

8.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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. 7 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 9 outbound flights to St. Charles per day.

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

    The Los Angeles to St. Charles flight path was viewed by 22 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • What are the cheapest airlines to fly from Los Angeles to St. Charles one-way?

    One-way options have recently been found by users for as low as $127 on Frontier. Other airlines that offer cheap prices include Spirit Airlines from $136 and Southwest from $148 one-way.

  • 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: Southwest (81%), Qatar Airways (81%), American Airlines( 78%).

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

    On average you can expect to pay $313 for a flight from Los Angeles to St. Charles. The cheapest flight overall is $109 while the most popular route, (Los Angeles - Lambert-St Louis) is currently priced at $204.

  • 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, 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.

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Top 7 airlines flying from Los Angeles to St. Charles

Discover the top 7 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 July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$22Average$297FlexibilityNo cancel feeOn-time65%
FrontierCheapest$123Average$228FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$245Average$508FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$287Average$415FlexibilityNo cancel feeOn-time63%
DeltaCheapest$292Average$381FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$315Average$645FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$329Average$476FlexibilityNo cancel feeOn-time69%

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