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$291+ Cheap flights from Lake Charles to St. Louis (LCH - STL)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/3. Fares are subject to change and may not be available on all flights or dates of travel.
LCH — STL
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Lake Charles to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Lake Charles (LCH) to St. Louis (STL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 11, 2025.

Round-trip from

$291
(United Airlines)

Popular in

January

Cheapest in

September

Average price

$258
From Lake Charles to Lambert-St Louis
Search Deals
Highest demand for flights based on searches. 27% potential increase in price ($143 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($26 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
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Find flight deals from Lake Charles to St. Louis

Cheapest flights from Lake Charles to St. Louis
Explore the most affordable flight options available from Lake Charles to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/36:06 pmLCH - STL
1 stop3h 54mUnited Airlines
Mon 10/66:15 amSTL - LCH
1 stop7h 00mUnited Airlines
Deal found 9/10$291
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2412:11 pmLCH - STL
1 stop4h 59mAmerican Airlines
Sun 12/2811:41 amSTL - LCH
1 stop6h 08mAmerican Airlines
Deal found 9/11$403
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/244:15 pmLCH - STL
2 stops25h 39mUnited Airlines
Sun 12/286:35 pmSTL - LCH
2 stops26h 49mUnited Airlines
Deal found 9/11$738

Cheapflights Fare Finder

 
Customize your flight search to find flights from Lake Charles to St. Louis 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 Lake Charles to St. Louis that are best for you.

Fly from

Lake Charles

Fly to

St. Louis

Route

Depart

Return

Price

Lake CharlesSt. Louis

LCH - STL

LCHSTL

Lake Charles

Fri 10/3

6:06 pm-10:00 pm

1 stop3h 54m

Lambert-St Louis

Mon 10/6

6:15 am-1:15 pm

1 stop7h 00m

$291

Lake CharlesSt. Louis

LCH - STL

LCHSTL

Lake Charles

Wed 12/24

12:11 pm-5:10 pm

1 stop4h 59m

Lambert-St Louis

Sun 12/28

11:41 am-5:49 pm

1 stop6h 08m

$403

Lake CharlesSt. Louis

LCH - STL

LCHSTL

Lake Charles

Wed 12/24

4:15 pm-5:54 pm

2 stops25h 39m

Lambert-St Louis

Sun 12/28

6:35 pm-9:24 pm

2 stops26h 49m

$738

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Best time to book a flight from Lake Charles to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Lake Charles 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.

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. 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. Louis. Reviews last updated September 11, 2025.
Read reviews from past customers who have flown American Airlines from Lake Charles to St. Louis. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
10,000 reviews

Comfort

7.2

Overall

7.2

Boarding

7.5

Food

6.4

Crew

8.0

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac
American Airlines
7.2
Good
10,000 reviews
American Airlines
7.2
Good
10,000 reviews

Comfort

7.2

Overall

7.2

Boarding

7.5

Food

6.4

Crew

8.0

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac

Related info for your journey

Find useful and relevant information for your journey from Lake Charles to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Lake Charles to St. Louis?

    Airlines like United Airlines and American Airlines fly from Lake Charles to St. Louis in about 3h 54m. The time it takes to get you to your destination can typically vary by up to 1h 05m. There are 617 mi between Lake Charles and St. Louis. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What is the cheapest airline to fly from Lake Charles to St. Louis round-trip?

    Flying on American Airlines is currently your cheapest option to St. Louis, with prices starting at $248. You may be able to fly from Lake Charles to St. Louis for 34% less than the average price by searching for this airline.

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

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

  • How can I find direct flights from Lake Charles to St. Louis?

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

  • Can I find deals for business class flights from Lake Charles to St. Louis?

    Yes. Cheapflights offers flight deals from Lake Charles to St. Louis 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 Lake Charles to St. Louis?

    Currently, August is the cheapest month in which you can book a flight from Lake Charles to St. Louis (average of $311). Flying from Lake Charles to St. Louis 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

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Edwardsville
O'Fallon
Fairview Heights
Maryland Heights
Collinsville
Eureka
Glencoe
St. Peters
Chesterfield
Alton
Farmington
Festus

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Top airline flying from Lake Charles to St. Louis

Discover the top airline that operate flights from Lake Charles to St. Louis. 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.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$248Average$338FlexibilityNo cancel feeOn-time71%

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