HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Louisiana

$68+ Cheap flights from St. Louis (STL) to Louisiana

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 12/4. Fares are subject to change and may not be available on all flights or dates of travel.
STL — MSY
Nov 15 — Nov 221
Sat 11/15
Sat 11/22
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from St. Louis to Louisiana 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.

Find flight deals from St. Louis to Louisiana

Cheapest flights from St. Louis to Louisiana
Explore the most affordable flight options available from St. Louis to Louisiana. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 16, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1311:07 amSTL - MSY
1 stop9h 34mMultiple Airlines
Mon 11/176:01 pmMSY - STL
2 stops39h 06mMultiple Airlines
Deal found 10/16$182
This Kiwi.com deal was found by Cheapflights users on 10/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1311:07 amSTL - MSY
1 stop9h 34mMultiple Airlines
Sat 11/159:48 pmMSY - STL
1 stop19h 28mMultiple Airlines
Deal found 10/14$185
This Kiwi.com deal was found by Cheapflights users on 10/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/510:42 amSTL - MSY
1 stop9h 56mMultiple Airlines
Sat 12/65:33 pmMSY - STL
1 stop16h 14mMultiple Airlines
Deal found 10/15$189
This Trip.com deal was found by Cheapflights users on 10/15. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/308:40 pmSTL - MSY
1 stop22h 20mFrontier
Mon 11/37:45 pmMSY - STL
1 stop13h 22mFrontier
Deal found 10/15$199
This Kiwi.com deal was found by Cheapflights users on 10/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2311:32 amSTL - MSY
1 stop5h 05mMultiple Airlines
Thu 10/306:05 pmMSY - STL
1 stop21h 52mMultiple Airlines
Deal found 10/16$216
This Delta deal was found by Cheapflights users on 10/13. 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 11/46:00 amSTL - MSY
1 stop6h 10mDelta
Fri 11/74:27 pmMSY - STL
1 stop6h 40mDelta
Deal found 10/13$219
This Kiwi.com deal was found by Cheapflights users on 10/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/67:02 pmSTL - MSY
1 stop13h 33mMultiple Airlines
Tue 11/113:21 pmMSY - STL
2 stops41h 46mMultiple Airlines
Deal found 10/15$224
This Trip.com deal was found by Cheapflights users on 10/15. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/237:52 pmSTL - MSY
1 stop22h 46mFrontier
Thu 10/307:45 pmMSY - STL
1 stop13h 22mFrontier
Deal found 10/15$225
This Delta deal was found by Cheapflights users on 10/15. 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.
Thu 11/136:00 amSTL - SHV
1 stop6h 01mDelta
Thu 11/2010:54 amSHV - STL
1 stop5h 13mDelta
Deal found 10/15$229
This Kiwi.com deal was found by Cheapflights users on 10/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/412:04 pmSTL - MSY
1 stop8h 34mMultiple Airlines
Mon 12/84:35 pmMSY - STL
2 stops29h 58mMultiple Airlines
Deal found 10/15$231
This Kiwi.com deal was found by Cheapflights users on 10/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/298:40 pmSTL - MSY
1 stop22h 20mMultiple Airlines
Fri 10/316:10 pmMSY - STL
1 stop24h 00mMultiple Airlines
Deal found 10/16$232
This United Airlines deal was found by Cheapflights users on 10/15. 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 11/136:15 amSTL - SHV
1 stop5h 25mUnited Airlines
Thu 11/205:20 amSHV - STL
2 stops9h 04mUnited Airlines
Deal found 10/15$234

Cheap flight deals from St. Louis to Louisiana

Keep the following information in mind while searching for St. Louis to Louisiana flight deals. Data was last updated October 16, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$182
(Kiwi.com)

One-way from

$68
(Spirit)

Popular in

May

Cheapest in

November

Average price

$399

Good round-trip deal

$364 or less

Good one-way deal

$213 or less
Provider with most accurate pricing for Lambert-St Louis-New Orleans Louis Armstrong flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-New Orleans Louis Armstrong flights.
Search Deals
From Lambert-St Louis to Louisiana
Search Deals
One-way flight from Lambert-St Louis to Louisiana
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($29 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals
Price to beat on a round-trip flight from Lambert-St Louis to Louisiana.
Search Deals
Price to beat on a one-way flight from Lambert-St Louis to Louisiana.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from St. Louis to Louisiana 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 October 16, 2025.
Use the filters below to find and compare flights from St. Louis to Louisiana that are best for you.

Fly from

St. Louis

Fly to

Louisiana

Route

Depart

Return

Price

St. LouisNew Orleans

STL - MSY

STLMSY

Lambert-St Louis

Tue 12/16

9:30 am-2:22 pm

1 stop4h 52m

New Orleans Louis Armstrong

Tue 12/23

5:26 pm-11:42 pm

1 stop6h 16m

$219

St. LouisNew Orleans

STL - MSY

STLMSY

Lambert-St Louis

Sat 11/15

7:05 am-11:59 am

1 stop4h 54m

New Orleans Louis Armstrong

Mon 11/17

7:03 pm-11:44 pm

1 stop4h 41m

$219

St. LouisNew Orleans

STL - MSY

STLMSY

Lambert-St Louis

Mon 11/3

3:59 pm-8:17 pm

1 stop4h 18m

New Orleans Louis Armstrong

Thu 11/6

7:45 am-12:35 pm

1 stop4h 50m

$219

St. LouisNew Orleans

STL - MSY

STLMSY

Lambert-St Louis

Fri 12/12

5:12 pm-11:37 pm

1 stop6h 25m

New Orleans Louis Armstrong

Sat 12/20

6:54 pm-11:42 pm

1 stop4h 48m

$219

St. LouisNew Orleans

STL - MSY

STLMSY

Lambert-St Louis

Tue 11/4

5:15 pm-11:04 pm

1 stop5h 49m

New Orleans Louis Armstrong

Thu 11/6

7:45 am-12:35 pm

1 stop4h 50m

$219

St. LouisNew Orleans

STL - MSY

STLMSY

Lambert-St Louis

Thu 1/8

7:05 pm-11:27 pm

1 stop4h 22m

New Orleans Louis Armstrong

Mon 1/12

7:10 pm-11:40 pm

1 stop4h 30m

$219

St. LouisShreveport

STL - SHV

STLSHV

Lambert-St Louis

Thu 11/13

6:00 am-12:01 pm

1 stop6h 01m

Shreveport

Thu 11/20

10:54 am-4:07 pm

1 stop5h 13m

$229

St. LouisShreveport

STL - SHV

STLSHV

Lambert-St Louis

Sat 11/15

1:33 pm-6:52 pm

1 stop5h 19m

Shreveport

Sat 11/22

4:59 pm-9:58 pm

1 stop4h 59m

$229

St. LouisShreveport

STL - SHV

STLSHV

Lambert-St Louis

Sat 4/11

6:00 am-11:26 am

1 stop5h 26m

Shreveport

Wed 4/15

8:00 am-12:54 pm

1 stop4h 54m

$229

St. LouisShreveport

STL - SHV

STLSHV

Lambert-St Louis

Thu 11/13

6:15 am-11:40 am

1 stop5h 25m

Shreveport

Thu 11/20

5:20 am-2:24 pm

2 stops9h 04m

$234

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/15

Showing 1-10 of 50 results
1
2
3
...
5

Best time to book a flight from St. Louis to Louisiana

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

What is the cheapest month to book a flight from St. Louis to Louisiana?

Currently, January is the cheapest month in which you can book a flight from St. Louis to Louisiana (average of $150). Flying from St. Louis to Louisiana in February is currently the most expensive (average of $258). 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 STL to LA?

Find hourly flight availability from St. Louis to Louisiana. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 16, 2025.

It’s optimal to fly from St. Louis to Louisiana in the morning. By choosing this option you can save up to 26% on the cost of your flight, compared to a flight in the evening.

What is the cheapest day to fly from St. Louis to Louisiana?

Use this chart to determine the cheapest time to fly round-trip from St. Louis to Louisiana. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their St. Louis to Louisiana flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost to fly round-trip from St. Louis to Louisiana?

Reviews of airlines servicing Louisiana

Get insights into the airlines that provide service to Louisiana. 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 Louisiana. Reviews last updated October 16, 2025.
Peruse reviews from past customers who have flown with Southwest, Delta, and United Airlines from St. Louis to Louisiana to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,241 reviews

Food

7.0

Comfort

8.0

Overall

8.0

Crew

8.6

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,241 reviews
Southwest
8.0
Very good
4,241 reviews

Food

7.0

Comfort

8.0

Overall

8.0

Crew

8.6

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
8.0
Very good
7,984 reviews
Southwest
8.0
Very good
4,241 reviews

Food

7.0

Comfort

8.0

Overall

8.0

Crew

8.6

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
8,982 reviews
Southwest
8.0
Very good
4,241 reviews

Food

7.0

Comfort

8.0

Overall

8.0

Crew

8.6

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
11,043 reviews
Southwest
8.0
Very good
4,241 reviews

Food

7.0

Comfort

8.0

Overall

8.0

Crew

8.6

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Frontier
5.8
Fair
3,137 reviews
Southwest
8.0
Very good
4,241 reviews

Food

7.0

Comfort

8.0

Overall

8.0

Crew

8.6

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Louisiana. 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 St. Louis to Louisiana?

    If you book a flight to Louisiana from St. Louis, you will be flying from Lambert-St Louis, which is the city’s only airport. Lambert-St Louis (STL) is located 12.7 mi from the center of St. Louis.

  • How popular is this St. Louis to Louisiana flight route?

    Within the past month, 3 users have taken a look at flights from Lambert-St Louis to Louisiana.

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

    Departing from St. Louis to Louisiana will take you 4h 52m. There are 605 mi between St. Louis and Louisiana. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from St. Louis to Louisiana one-way?

    The cheapest airlines for a one-way flight from St. Louis to Louisiana are Delta ($110), Southwest ($110), and American Airlines ($110).

  • What are the most popular routes from St. Louis to Louisiana?

    While some choose either Lambert-St Louis - Baton Rouge Ryan or Lambert-St Louis - Lafayette Regional, Lambert-St Louis - New Orleans Louis Armstrong is the most popular route from St. Louis to Louisiana.

  • What are the cheapest flights from St. Louis to Louisiana?

    Looking for the cheapest flight from St. Louis to Louisiana? While on average our users pay $390, our data indicates the cheapest price to be $117. The most popular route (Lambert-St Louis - New Orleans Louis Armstrong), is priced around $182.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from St. Louis to Louisiana 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 St. Louis to Louisiana?

    Currently, January is the cheapest month in which you can book a flight from St. Louis to Louisiana (average of $150). Flying from St. Louis to Louisiana in February is currently the most expensive (average of $258). 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 St. Louis to Louisiana

See prices for flight routes from nearby airports that may be better suited for you.
St. Louis to Las Vegas flights
Kansas City to Las Vegas flights
St. Louis to John F Kennedy Intl flights
St. Louis to Newark flights
Kansas City to John F Kennedy Intl flights
St. Louis to LaGuardia flights
St. Louis to Denver flights
Kansas City to Denver flights
St. Louis to Orlando flights
St. Louis to Sky Harbor Intl flights
St. Louis to Atlanta flights
Kansas City to Newark flights
Kansas City to Sky Harbor Intl flights
St. Louis to Dallas/Fort Worth flights
Kansas City to LaGuardia flights
Kansas City to Orlando flights
Kansas City to O'Hare Intl flights
Kansas City to Los Angeles flights
St. Louis to Miami flights
Kansas City to Dallas/Fort Worth flights
Kansas City to Seattle flights
Kansas City to Hobby flights
St. Louis to Hobby flights
St. Louis to Los Angeles flights
Kansas City to Atlanta flights
Kansas City to Dulles Intl flights
Kansas City to Miami flights
St. Louis to Boston flights
St. Louis to San Francisco flights
Kansas City to George Bush Intcntl flights
St. Louis to Seattle flights
St. Louis to Dulles Intl flights
St. Louis to George Bush Intcntl flights
St. Louis to Minneapolis flights
St. Louis to Tampa flights
St. Louis to O'Hare Intl flights
Kansas City to Fort Lauderdale flights
St. Louis to Salt Lake City flights
Kansas City to San Francisco flights
Kansas City to Baltimore flights
Kansas City to Boston flights
St. Louis to Baltimore flights
St. Louis to New Orleans flights
Kansas City to Tampa flights
Kansas City to Nashville flights
St. Louis to Reagan-National flights
St. Louis to Love Field flights
St. Louis to Fort Lauderdale flights
St. Louis to Honolulu flights
Kansas City to Ontario flights

Top 5 airlines flying from St. Louis to Louisiana

Discover the top 5 airlines that operate flights from St. Louis to Louisiana. 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 October 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$127Average$238FlexibilityNo cancel feeOn-time62%
DeltaCheapest$162Average$294FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$186Average$353FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$196Average$432FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$240Average$409FlexibilityNo cancel feeOn-time63%

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.