Latest deals
When to book
FAQs
Price Alerts

Cheap flights from Lake Charles to St. Louis from $319

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Lake Charles to St. Louis departing on 9/29. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Lake Charles to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
6:15 pm - 11:43 pmLCH  Lake Charles-STL Lambert-St Louis
5h 28m1 stop Dallas/Fort Worth
American Airlines Logo
5:43 am - 10:19 amSTL  Lambert-St Louis-LCH Lake Charles
4h 36m1 stop Dallas/Fort Worth
$319American Airlines
Tue, Sep 29 - Sat, Oct 3
United Airlines Logo
7:30 am - 2:10 pmLCH  Lake Charles-STL Lambert-St Louis
6h 40m1 stop Houston George Bush Intcntl
United Airlines Logo
9:04 am - 9:06 pmSTL  Lambert-St Louis-LCH Lake Charles
12h 02m2 stops Chicago O'Hare Intl Houston George Bush Intcntl
$324United Airlines
Tue, Sep 29 - Sat, Oct 3
United Airlines Logo
12:15 pm - 9:21 pmLCH  Lake Charles-STL Lambert-St Louis
9h 06m2 stops Houston George Bush Intcntl Chicago O'Hare Intl
United Airlines Logo
9:04 am - 9:06 pmSTL  Lambert-St Louis-LCH Lake Charles
12h 02m2 stops Chicago O'Hare Intl Houston George Bush Intcntl
$329United Airlines
Tue, Sep 29 - Sat, Oct 3
United Airlines Logo
7:30 am - 2:10 pmLCH  Lake Charles-STL Lambert-St Louis
6h 40m1 stop Houston George Bush Intcntl
United Airlines Logo
3:12 pm - 9:06 pmSTL  Lambert-St Louis-LCH Lake Charles
5h 54m1 stop Houston George Bush Intcntl
$399United Airlines
Tue, Sep 29 - Sat, Oct 3
United Airlines Logo
4:07 pm - 10:30 pmLCH  Lake Charles-STL Lambert-St Louis
6h 23m1 stop Houston George Bush Intcntl
United Airlines Logo
3:12 pm - 9:06 pmSTL  Lambert-St Louis-LCH Lake Charles
5h 54m1 stop Houston George Bush Intcntl
$399United Airlines
Wed, Oct 21 - Sat, Oct 24
United Airlines Logo
12:15 pm - 9:21 pmLCH  Lake Charles-STL Lambert-St Louis
9h 06m2 stops Houston George Bush Intcntl Chicago O'Hare Intl
United Airlines Logo
3:12 pm - 9:06 pmSTL  Lambert-St Louis-LCH Lake Charles
5h 54m1 stop Houston George Bush Intcntl
$404United Airlines
Tue, Sep 29 - Sat, Oct 3
United Airlines Logo
7:30 am - 9:09 pmLCH  Lake Charles-STL Lambert-St Louis
13h 39m2 stops Houston George Bush Intcntl Newark
United Airlines Logo
3:12 pm - 9:06 pmSTL  Lambert-St Louis-LCH Lake Charles
5h 54m1 stop Houston George Bush Intcntl
$404United Airlines
Tue, Sep 29 - Sat, Oct 3
United Airlines Logo
4:07 pm - 10:30 pmLCH  Lake Charles-STL Lambert-St Louis
6h 23m1 stop Houston George Bush Intcntl
United Airlines Logo
9:04 am - 9:06 pmSTL  Lambert-St Louis-LCH Lake Charles
12h 02m2 stops Chicago O'Hare Intl Houston George Bush Intcntl
$404United Airlines
Wed, Oct 21 - Sat, Oct 24
United Airlines Logo
12:15 pm - 9:21 pmLCH  Lake Charles-STL Lambert-St Louis
9h 06m2 stops Houston George Bush Intcntl Chicago O'Hare Intl
United Airlines Logo
9:04 am - 9:06 pmSTL  Lambert-St Louis-LCH Lake Charles
12h 02m2 stops Chicago O'Hare Intl Houston George Bush Intcntl
$409United Airlines
Wed, Oct 21 - Sat, Oct 24
United Airlines Logo
12:15 pm - 9:09 pmLCH  Lake Charles-STL Lambert-St Louis
8h 54m2 stops Houston George Bush Intcntl Newark
United Airlines Logo
9:04 am - 9:06 pmSTL  Lambert-St Louis-LCH Lake Charles
12h 02m2 stops Chicago O'Hare Intl Houston George Bush Intcntl
$409United Airlines
Tue, Sep 29 - Sat, Oct 3

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

United Airlines flights from Lake Charles to St. Louis

Our best United Airlines deals on Lake Charles to St. Louis flight tickets
United Airlines
Sep 29
LCH7:30 amLake Charles
6h 40m
1 stop
STL2:10 pmLambert-St Louis
Oct 3
STL9:04 amLambert-St Louis
12h 02m
2 stops
LCH9:06 pmLake Charles
$324
United Airlines
Sep 29
LCH12:15 pmLake Charles
9h 06m
2 stops
STL9:21 pmLambert-St Louis
Oct 3
STL9:04 amLambert-St Louis
12h 02m
2 stops
LCH9:06 pmLake Charles
$329
United Airlines
Sep 29
LCH7:30 amLake Charles
6h 40m
1 stop
STL2:10 pmLambert-St Louis
Oct 3
STL3:12 pmLambert-St Louis
5h 54m
1 stop
LCH9:06 pmLake Charles
$399

momondo 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, momondo users made 832,500 searches. Data last updated August 12, 2026.
Use the filters below to find and compare flights from Lake Charles to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

Lake CharlesSt. Louis

LCH Lake Charles - STL Lambert-St Louis

LCHSTL

Lake Charles

Tue 9/29

6:15 pm-11:43 pm

1 stop5h 28m

Lambert-St Louis

Sat 10/3

5:43 am-10:19 am

1 stop4h 36m

$319

Lake CharlesSt. Louis

LCH Lake Charles - STL Lambert-St Louis

LCHSTL

Lake Charles

Tue 9/29

7:30 am-2:10 pm

1 stop6h 40m

Lambert-St Louis

Sat 10/3

9:04 am-9:06 pm

2 stops12h 02m

$324

Lake CharlesSt. Louis

LCH Lake Charles - STL Lambert-St Louis

LCHSTL

Lake Charles

Tue 9/29

12:15 pm-9:21 pm

2 stops9h 06m

Lambert-St Louis

Sat 10/3

9:04 am-9:06 pm

2 stops12h 02m

$329

Lake CharlesSt. Louis

LCH Lake Charles - STL Lambert-St Louis

LCHSTL

Lake Charles

Tue 9/29

7:30 am-2:10 pm

1 stop6h 40m

Lambert-St Louis

Sat 10/3

3:12 pm-9:06 pm

1 stop5h 54m

$399

Lake CharlesSt. Louis

LCH Lake Charles - STL Lambert-St Louis

LCHSTL

Lake Charles

Wed 10/21

4:07 pm-10:30 pm

1 stop6h 23m

Lambert-St Louis

Sat 10/24

3:12 pm-9:06 pm

1 stop5h 54m

$399

Lake CharlesSt. Louis

LCH Lake Charles - STL Lambert-St Louis

LCHSTL

Lake Charles

Tue 9/29

12:15 pm-9:21 pm

2 stops9h 06m

Lambert-St Louis

Sat 10/3

3:12 pm-9:06 pm

1 stop5h 54m

$404

Lake CharlesSt. Louis

LCH Lake Charles - STL Lambert-St Louis

LCHSTL

Lake Charles

Tue 9/29

7:30 am-9:09 pm

2 stops13h 39m

Lambert-St Louis

Sat 10/3

3:12 pm-9:06 pm

1 stop5h 54m

$404

Lake CharlesSt. Louis

LCH Lake Charles - STL Lambert-St Louis

LCHSTL

Lake Charles

Wed 10/21

4:07 pm-10:30 pm

1 stop6h 23m

Lambert-St Louis

Sat 10/24

9:04 am-9:06 pm

2 stops12h 02m

$404

Lake CharlesSt. Louis

LCH Lake Charles - STL Lambert-St Louis

LCHSTL

Lake Charles

Wed 10/21

12:15 pm-9:21 pm

2 stops9h 06m

Lambert-St Louis

Sat 10/24

9:04 am-9:06 pm

2 stops12h 02m

$409

Lake CharlesSt. Louis

LCH Lake Charles - STL Lambert-St Louis

LCHSTL

Lake Charles

Tue 9/29

12:15 pm-9:09 pm

2 stops8h 54m

Lambert-St Louis

Sat 10/3

9:04 am-9:06 pm

2 stops12h 02m

$409

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Lake Charles to St. Louis

Are you open to changing your travel dates? Check out the ideal times to fly from Lake Charles to St. Louis according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Lake Charles to St. Louis (LCH to STL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Lake Charles to St. Louis

Fastest flight time

4h 15m

Direct flights

None
The fastest flight from Lake Charles to St. Louis takes 4h 15m
There are no direct flights from Lake Charles to St. Louis. There are no popular flight routes from Lake Charles to St. Louis.
Search flight deals

Frequently asked questions about flying from Lake Charles to St. Louis

  • How far is Lake Charles to Lambert-St Louis by plane?

    Lambert-St Louis is 605.6 mi away from Lake Charles. Typically, this will take 4h 15m by plane in normal conditions.

  • When did momondo last update prices for flights from Lake Charles Airport to Lambert-St Louis Airport?

    Prices for flights from Lake Charles Airport to Lambert-St Louis Airport were last updated today.

  • How old do you have to be to fly from Lake Charles Airport to Lambert-St Louis Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Lake Charles Airport to Lambert-St Louis Airport.

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The necessary travel and health documents for your Lambert-St Louis Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Frequently asked questions about flying from Lake Charles to St. Louis

  • How do I get Price Alerts for flights from Lake Charles to St. Louis?

    Price Alerts will notify you by email when the price for flights to St. Louis from Lake Charles decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

  • How can I save money on flights from Lake Charles to St. Louis with momondo?

    Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

  • How does momondo find its flight prices?

    We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Chesterfield
Fairview Heights
Hermann
St. Peters
Maryland Heights
Collinsville
Florissant
Alton
O'Fallon
Farmington
Clayton
Fenton
Festus
Wentzville
Eureka
Edwardsville
Litchfield
Grafton
Shrewsbury

Why use momondo?

Why should I use momondo to find a flight deal from Lake Charles to St. Louis?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to St. Louis from Lake Charles.

Can I find flights from Lake Charles to St. Louis with flexible booking policies on momondo?

momondo does allow users to show only those flights to St. Louis from Lake Charles which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Lake Charles to St. Louis?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Lake Charles to St. Louis.

I’m not ready to book a flight from Lake Charles to St. Louis right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to St. Louis from Lake Charles. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your St. Louis trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 9/11
Fri 9/18
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States