$160 Cheap Flights from St. Louis (STL) to Lake Charles (LCH)

View $160 flight on Thu, Nov 27, 2025Opens in a new window

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Lake Charles, LA (LCH-Lake Charles Regional)

Cheap Flights from St. Louis to Lake Charles (STL-LCH)

Prices were available within the past 7 days and start at $160 for one-way flights and $254 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Mon, Oct 27 - Mon, Nov 3
STL
St. Louis
LCH
Lake Charles
$254 Roundtrip, found 6 days ago
$254
Roundtrip
found 6 days ago
Select United flight, departing Mon, Oct 27 from St. Louis to Lake Charles, returning Mon, Nov 3, priced at $254 found 6 days ago
United
Mon, Oct 27 - Mon, Nov 3
STL
St. Louis
LCH
Lake Charles
$294 Roundtrip, found 6 days ago
$294
Roundtrip
found 6 days ago
Select United flight, departing Mon, Oct 27 from St. Louis to Lake Charles, returning Mon, Nov 3, priced at $294 found 6 days ago
American Airlines
Mon, Oct 27 - Mon, Nov 3
STL
St. Louis
LCH
Lake Charles
$299 Roundtrip, found 6 days ago
$299
Roundtrip
found 6 days ago
Select American Airlines flight, departing Mon, Oct 27 from St. Louis to Lake Charles, returning Mon, Nov 3, priced at $299 found 6 days ago
American Airlines
Fri, Oct 24 - Sun, Oct 26
STL
St. Louis
LCH
Lake Charles
$309 Roundtrip, found 2 days ago
$309
Roundtrip
found 2 days ago
Select American Airlines flight, departing Fri, Oct 24 from St. Louis to Lake Charles, returning Sun, Oct 26, priced at $309 found 2 days ago
United
Tue, Nov 25 - Fri, Nov 28
STL
St. Louis
LCH
Lake Charles
$319 Roundtrip, found 6 hours ago
$319
Roundtrip
found 6 hours ago
Select United flight, departing Tue, Nov 25 from St. Louis to Lake Charles, returning Fri, Nov 28, priced at $319 found 6 hours ago
United
Mon, Nov 24 - Fri, Nov 28
STL
St. Louis
LCH
Lake Charles
$324 Roundtrip, found 6 hours ago
$324
Roundtrip
found 6 hours ago
Select United flight, departing Mon, Nov 24 from St. Louis to Lake Charles, returning Fri, Nov 28, priced at $324 found 6 hours ago
United
Mon, Oct 27 - Mon, Nov 3
STL
St. Louis
LCH
Lake Charles
$328 Roundtrip, found 6 days ago
$328
Roundtrip
found 6 days ago
Select United flight, departing Mon, Oct 27 from St. Louis to Lake Charles, returning Mon, Nov 3, priced at $328 found 6 days ago
United
Mon, Nov 3 - Tue, Nov 11
STL
St. Louis
LCH
Lake Charles
$329 Roundtrip, found 7 hours ago
$329
Roundtrip
found 7 hours ago
Select United flight, departing Mon, Nov 3 from St. Louis to Lake Charles, returning Tue, Nov 11, priced at $329 found 7 hours ago
American Airlines
Fri, Nov 14 - Mon, Nov 17
STL
St. Louis
LCH
Lake Charles
$334 Roundtrip, found 4 days ago
$334
Roundtrip
found 4 days ago
Select American Airlines flight, departing Fri, Nov 14 from St. Louis to Lake Charles, returning Mon, Nov 17, priced at $334 found 4 days ago
American Airlines
Mon, Nov 24 - Tue, Dec 2
STL
St. Louis
LCH
Lake Charles
$349 Roundtrip, found 6 hours ago
$349
Roundtrip
found 6 hours ago
Select American Airlines flight, departing Mon, Nov 24 from St. Louis to Lake Charles, returning Tue, Dec 2, priced at $349 found 6 hours ago

Alternative airports near Lake Charles

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Lake Charles Regional LCH. Cheapest option available. Average driving time to city center is 13 minutes. Flights from $324
LCH
Lake Charles Regional
Cheapest
Average driving time to city center13 min
Flights from $324
Flights from St. Louis (STL) to Lake Charles (LCH)
Origin airport
Lambert-St. Louis Intl.
Destination airport
Lake Charles Regional
Roundtrip price
$253
Distance
617 mi

St. Louis to Lake Charles Flights

The cheapest times to fly from St. Louis to Lake Charles

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from St. Louis to Lake Charles are during the month of October. You can find some of the cheapest flights from St. Louis to Lake Charles with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from St. Louis to Lake Charles

Sunday is one of the best days to book for cheap flights from St. Louis to Lake Charles: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from St. Louis to Lake Charles

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from St. Louis to Lake Charles in 2025. You can also book with separate airlines for your outbound and return journeys, from $160 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap St. Louis to Lake Charles flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your St. Louis to Lake Charles airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to Lake Charles Regional Airport (LCH) cost?
Get a cheap one-way flight from $160 or cheap return flight from $254 from Lambert-St. Louis Intl. Airport (STL) to Lake Charles Regional Airport (LCH) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Lambert-St. Louis Intl. Airport (STL) to Lake Charles Regional Airport (LCH)?
The cheapest month to fly from STL to LCH is October, when there's less demand. Off-peak months are often when airlines offer better prices between these airports.
What is the cheapest airline that flies from Lambert-St. Louis Intl. Airport (STL) to Lake Charles Regional Airport (LCH)?
To find the cheapest airline flying from STL to LCH, use Expedia's filter tool. Customize your search based on what's important to you, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to see the most affordable options first.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Lake Charles Regional Airport (LCH)?
You'll need to take a flight with a layover if you're traveling from Lambert-St. Louis Intl. Airport (STL) to Lake Charles Regional Airport (LCH). There are no daily direct flights on this route. However, just filter your search to include one or two stops to discover an option that works for you.
What day of the week has the most flights from STL to LCH?
Generally you'll find the greatest selection of flight options on a Friday. Tuesdays are often the quietest.* However, this can vary based on the time of year, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Lambert-St. Louis Intl. Airport (STL) to Lake Charles Regional Airport (LCH)?
Choose a flight from Lambert-St. Louis Intl. Airport (STL) to Lake Charles Regional Airport (LCH) that takes off before 3 PM to reduce the risk of cancellations and delays. Departures later than this have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Lambert-St. Louis Intl. Airport (STL) to Lake Charles Regional Airport (LCH) last-minute?
Booking your ticket from STL to LCH just before your journey is generally more expensive. But if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a STL to LCH flight and hotel package?
Booking a STL to LCH flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip in one place. Pick from our impressive range of hotels and then add flights, car rentals and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Lake Charles Regional Airport (LCH)?
If you booked your STL to LCH flight in the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the type of fare you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for more information.

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*Available to One Key members.