HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
St. Charles

$139+ 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 4/2. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — STL
Mar 8 — Mar 151
Sat 3/8
Sat 3/15
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

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.

The best prices from Los Angeles to St. Charles are usually found in August or September, booked 47 days in advance, depart on a Tuesday or Wednesday 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 March 3, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$285
(Mytrip)

One-way from

$139
(Mytrip)

Popular in

December

Cheapest in

August

Average price

$422
Provider with most accurate pricing for Los Angeles-Lambert-St Louis flight deals.
Search Deals
Provider most trusted by Cheapflights users for Los Angeles-Lambert-St Louis flights.
Search Deals
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 ($26 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2025
Search Deals

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 March 3, 2025.

This Mytrip deal was found by Cheapflights users on 3/2. 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 5/96:57 pmLAX - STL
2 stops21h 35mMultiple Airlines
Mon 5/1212:15 pmSTL - LAX
3 stops33h 53mMultiple Airlines
Deal found 3/2$285
This Southwest deal was found by Cheapflights users on 3/3. 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.
Mon 3/176:45 pmLAX - STL
Nonstop3h 35mSouthwest
Mon 3/246:40 pmSTL - LAX
1 stop7h 45mSouthwest
Deal found 3/3$287
This CheapOair deal was found by Cheapflights users on 3/3. 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 3/158:18 pmLAX - STL
1 stop9h 40mFrontier
Sat 3/297:03 pmSTL - LAX
1 stop7h 22mFrontier
Deal found 3/3$290
This Delta deal was found by Cheapflights users on 3/3. 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.
Tue 4/811:15 amLAX - STL
1 stop7h 49mDelta
Tue 5/132:29 pmSTL - LAX
1 stop9h 12mDelta
Deal found 3/3$297
This American Airlines deal was found by Cheapflights users on 3/3. 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 5/165:29 pmLAX - STL
Nonstop3h 35mAmerican Airlines
Tue 5/206:52 amSTL - LAX
Nonstop4h 06mAmerican Airlines
Deal found 3/3$302
This Alaska Airlines deal was found by Cheapflights users on 3/2. 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.
Thu 5/11:56 pmLAX - STL
1 stop8h 03mAlaska Airlines
Wed 5/76:30 amSTL - LAX
2 stops12h 35mAlaska Airlines
Deal found 3/2$345
This United Airlines deal was found by Cheapflights users on 3/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/312:50 amLAX - STL
1 stop7h 06mUnited Airlines
Fri 4/114:45 pmSTL - LAX
1 stop7h 44mUnited Airlines
Deal found 3/2$371

Find flights from Los Angeles to St. Charles within your budget

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 March 3, 2025.

Fly from

Los Angeles

Fly to

St. Charles

Route

Depart

Return

Price

Los AngelesSt. Louis

LAX - STL

LAXSTL

Los Angeles

Fri 5/9

6:57 pm-6:32 pm

2 stops21h 35m

Lambert-St Louis

Mon 5/12

12:15 pm-8:08 pm

3 stops33h 53m

$285

Los AngelesSt. Louis

LAX - STL

LAXSTL

Los Angeles

Mon 3/17

6:45 pm-12:20 am

Nonstop3h 35m

Lambert-St Louis

Mon 3/24

6:40 pm-12:25 am

1 stop7h 45m

$287

Los AngelesSt. Louis

LAX - STL

LAXSTL

Los Angeles

Sat 3/15

8:18 pm-7:58 am

1 stop9h 40m

Lambert-St Louis

Sat 3/29

7:03 pm-12:25 am

1 stop7h 22m

$290

Los AngelesSt. Louis

LAX - STL

LAXSTL

Los Angeles

Tue 4/8

11:15 am-9:04 pm

1 stop7h 49m

Lambert-St Louis

Tue 5/13

2:29 pm-9:41 pm

1 stop9h 12m

$297

Los AngelesSt. Louis

LAX - STL

LAXSTL

Los Angeles

Fri 5/16

5:29 pm-11:04 pm

Nonstop3h 35m

Lambert-St Louis

Tue 5/20

6:52 am-8:58 am

Nonstop4h 06m

$302

Los AngelesSt. Louis

LAX - STL

LAXSTL

Los Angeles

Thu 5/1

1:56 pm-11:59 pm

1 stop8h 03m

Lambert-St Louis

Wed 5/7

6:30 am-5:05 pm

2 stops12h 35m

$345

Los AngelesSt. Louis

LAX - STL

LAXSTL

Los Angeles

Thu 4/3

12:50 am-9:56 am

1 stop7h 06m

Lambert-St Louis

Fri 4/11

4:45 pm-10:29 pm

1 stop7h 44m

$371

Los AngelesSt. Louis

LAX - STL

LAXSTL

Los Angeles

Wed 4/2

5:35 am-5:52 pm

3 stops34h 17m

$139

Los AngelesSt. Louis

LAX - STL

LAXSTL

Los Angeles

Tue 5/13

10:59 pm-8:10 pm

3 stops43h 11m

$141

Los AngelesSt. Louis

LAX - STL

LAXSTL

Los Angeles

Wed 3/19

1:58 pm-11:59 pm

1 stop8h 01m

$148

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/3

Showing 1-10 of 16 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.

Travel insights for flights from Los Angeles to St. Charles

Get recent, data-driven insights about flights from Los Angeles to St. Charles including ideal travel times, pricing trends, and more.

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 February 28, 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 47 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 March 3, 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 Sunday at noon when fares are most often at their lowest. Monday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in St. Charles by month

Plan your trip to St. Charles by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in St. Charles ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Charles when rainfall is around 2.2 in.

Temperature in St. Charles by month

Plan your trip to St. Charles by taking into account the average temperature totals by month.

If weather is an important factor for your trip to St. Charles, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

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 March 3, 2025.
Read reviews from past customers who have flown Southwest, Alaska Airlines and Delta from Los Angeles to St. Charles. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,333 reviews

Crew

8.7

Comfort

8.1

Food

7.1

Entertainment

7.6

Overall

8.1

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Southwest
8.1
Very good
4,333 reviews
Southwest
8.1
Very good
4,333 reviews

Crew

8.7

Comfort

8.1

Food

7.1

Entertainment

7.6

Overall

8.1

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Alaska Airlines
8.0
Very good
9,713 reviews
Southwest
8.1
Very good
4,333 reviews

Crew

8.7

Comfort

8.1

Food

7.1

Entertainment

7.6

Overall

8.1

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Delta
8.0
Very good
8,070 reviews
Southwest
8.1
Very good
4,333 reviews

Crew

8.7

Comfort

8.1

Food

7.1

Entertainment

7.6

Overall

8.1

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

United Airlines
7.4
Good
8,679 reviews
Southwest
8.1
Very good
4,333 reviews

Crew

8.7

Comfort

8.1

Food

7.1

Entertainment

7.6

Overall

8.1

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,333 reviews

Crew

8.7

Comfort

8.1

Food

7.1

Entertainment

7.6

Overall

8.1

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

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 5 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 17 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 $139 on Spirit Airlines. Other airlines that offer cheap prices include Alaska Airlines from $148 and United Airlines from $149 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 (74%), Qatar Airways (68%), Japan Airlines( 68%).

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

    On average you can expect to pay $336 for a flight from Los Angeles to St. Charles. The cheapest flight overall is $138 while the most popular route, (Los Angeles - Lambert-St Louis) is currently priced at $220.

  • 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Los Angeles to St. Charles

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Kansas City flights
Los Angeles to St. Louis flights
San Francisco to St. Louis flights
San Francisco to Kansas City flights
Ontario to Kansas City flights
San Jose to Kansas City flights
San Diego to St. Louis flights
Ontario to St. Louis flights
Sacramento to Kansas City flights
Oakland to Kansas City flights
Sacramento to St. Louis flights
San Diego to Kansas City flights
Las Vegas to St. Louis flights
Santa Ana to Kansas City flights
San Jose to St. Louis flights
Santa Ana to St. Louis flights
Burbank to St. Louis flights
Las Vegas to Kansas City flights
Burbank to Kansas City flights
Palm Springs to Kansas City flights
Long Beach to St. Louis flights
Ontario to Springfield flights
Sacramento to Springfield flights
San Francisco to Springfield flights
Los Angeles to Springfield flights
Santa Ana to Springfield flights
San Diego to Springfield flights
San Jose to Springfield flights
Oakland to St. Louis flights
Reno to Kansas City flights
Fresno to St. Louis flights
Medford to Kansas City flights
Long Beach to Kansas City flights
Fresno to Kansas City flights
Arcata to Branson flights
Ontario to Joplin flights
Reno to Springfield flights
Bakersfield to St. Louis flights
Palm Springs to St. Louis flights
Los Angeles to Joplin flights
Fresno to Springfield flights
Las Vegas to Springfield flights
Medford to St. Louis flights
Santa Ana to Joplin flights
Reno to St. Louis flights
Santa Rosa to St. Louis flights
Santa Barbara to Kansas City flights
Palm Springs to Springfield flights
Monterey to Kansas City flights
San Luis Obispo to Springfield flights

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 March 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$97Average$213FlexibilityNo cancel feeOn-time65%
FrontierCheapest$119Average$190FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$255Average$528FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$298Average$424FlexibilityNo cancel feeOn-time63%
DeltaCheapest$318Average$424FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$319Average$495FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$327Average$737FlexibilityNo cancel feeOn-time75%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.