Louisiana

$79+ 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 1/28. Fares are subject to change and may not be available on all flights or dates of travel.
STL — MSY
Jan 28 — Feb 41
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Cheap 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 December 29, 2025.

This United Airlines deal was found by Cheapflights users on 12/29. 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.
Tue 12/305:02 pmSTL - MSY
1 stop5h 27mUnited Airlines
Sat 1/35:07 pmMSY - STL
1 stop4h 48mUnited Airlines
Deal found 12/29$351
This United Airlines deal was found by Cheapflights users on 12/28. 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.
Tue 12/305:02 pmSTL - MSY
1 stop5h 27mUnited Airlines
Fri 1/25:07 pmMSY - STL
1 stop4h 48mUnited Airlines
Deal found 12/28$377
This United Airlines deal was found by Cheapflights users on 12/29. 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.
Tue 12/305:02 pmSTL - MSY
1 stop5h 27mUnited Airlines
Thu 1/12:14 pmMSY - STL
2 stops8h 29mUnited Airlines
Deal found 12/29$382
This United Airlines deal was found by Cheapflights users on 12/28. 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.
Sun 12/283:10 pmSTL - MSY
1 stop7h 19mUnited Airlines
Sun 1/43:42 pmMSY - STL
1 stop6h 13mUnited Airlines
Deal found 12/28$403
This United Airlines deal was found by Cheapflights users on 12/27. 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.
Sat 12/275:45 pmSTL - MSY
1 stop5h 43mUnited Airlines
Tue 12/305:00 amMSY - STL
1 stop4h 49mUnited Airlines
Deal found 12/27$421
This United Airlines deal was found by Cheapflights users on 12/28. 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.
Tue 12/303:10 pmSTL - MSY
1 stop7h 19mUnited Airlines
Tue 1/65:14 amMSY - STL
2 stops9h 16mUnited Airlines
Deal found 12/28$426
This United Airlines deal was found by Cheapflights users on 12/29. 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.
Tue 12/309:55 amSTL - MSY
1 stop6h 20mUnited Airlines
Sun 1/47:00 amMSY - STL
1 stop5h 27mUnited Airlines
Deal found 12/29$447
This American Airlines deal was found by Cheapflights users on 12/29. 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.
Tue 12/302:04 pmSTL - SHV
1 stop5h 27mAmerican Airlines
Mon 1/56:19 pmSHV - STL
1 stop4h 37mAmerican Airlines
Deal found 12/29$462
This United Airlines deal was found by Cheapflights users on 12/29. 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.
Tue 12/308:15 amSTL - SHV
2 stops12h 41mUnited Airlines
Mon 1/55:15 amSHV - STL
2 stops17h 28mUnited Airlines
Deal found 12/29$765
This Delta deal was found by Cheapflights users on 12/28. 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.
Sun 12/283:41 pmSTL - BTR
1 stop6h 12mDelta
Tue 12/306:59 pmBTR - STL
1 stop4h 43mDelta
Deal found 12/28$790
This American Airlines deal was found by Cheapflights users on 12/28. 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.
Sun 12/285:40 amSTL - BTR
2 stops8h 08mAmerican Airlines
Tue 12/305:32 amBTR - STL
1 stop5h 18mAmerican Airlines
Deal found 12/28$924

Find 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 December 29, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$146
(Kiwi.com)

One-way from

$79
(Kiwi.com)

Popular in

May

Cheapest in

September

Average price

$418

Good round-trip deal

$415 or less
Provider with most accurate pricing for Lambert-St Louis-New Orleans Louis Armstrong flight deals.
Provider most trusted by Cheapflights users for Lambert-St Louis-New Orleans Louis Armstrong flights.
From Lambert-St Louis to Louisiana
One-way flight from Lambert-St Louis to Louisiana
Highest demand for flights based on searches. 2% potential increase in price ($8 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Average for round-trip flights in December 2025
Price to beat on a round-trip flight from Lambert-St Louis to Louisiana.

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 December 29, 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

Mon 1/26

10:16 am-7:41 pm

1 stop9h 25m

New Orleans Louis Armstrong

Tue 1/27

7:00 am-11:33 pm

1 stop16h 33m

$173

St. LouisNew Orleans

STL - MSY

STLMSY

Lambert-St Louis

Sat 2/7

12:12 pm-7:41 pm

1 stop7h 29m

New Orleans Louis Armstrong

Tue 2/10

7:00 am-10:27 pm

1 stop15h 27m

$173

St. LouisNew Orleans

STL - MSY

STLMSY

Lambert-St Louis

Mon 1/26

10:16 am-7:41 pm

1 stop9h 25m

New Orleans Louis Armstrong

Mon 2/2

10:01 am-11:33 pm

1 stop13h 32m

$199

St. LouisShreveport

STL - SHV

STLSHV

Lambert-St Louis

Thu 1/29

6:00 am-1:14 pm

1 stop7h 14m

Shreveport

Sun 2/1

4:10 pm-10:00 pm

1 stop5h 50m

$249

St. LouisShreveport

STL - SHV

STLSHV

Lambert-St Louis

Sat 3/7

5:01 pm-10:17 pm

1 stop5h 16m

Shreveport

Tue 3/10

5:40 pm-11:58 pm

1 stop6h 18m

$249

St. LouisShreveport

STL - SHV

STLSHV

Lambert-St Louis

Wed 1/28

10:07 am-3:31 pm

1 stop5h 24m

Shreveport

Sat 1/31

9:30 am-3:39 pm

1 stop6h 09m

$249

St. LouisNew Orleans

STL - MSY

STLMSY

Lambert-St Louis

Wed 2/11

3:28 pm-12:24 am

1 stop8h 56m

New Orleans Louis Armstrong

Wed 2/18

8:36 pm-6:51 am

2 stops34h 15m

$253

St. LouisAlexandria

STL - AEX

STLAEX

Lambert-St Louis

Tue 1/13

3:40 pm-10:59 pm

1 stop7h 19m

Alexandria

Sat 1/17

6:06 am-1:09 pm

2 stops7h 03m

$254

St. LouisNew Orleans

STL - MSY

STLMSY

Lambert-St Louis

Fri 1/23

11:18 am-7:41 pm

1 stop8h 23m

New Orleans Louis Armstrong

Tue 2/3

7:00 am-11:33 pm

1 stop16h 33m

$256

St. LouisShreveport

STL - SHV

STLSHV

Lambert-St Louis

Tue 1/13

3:54 pm-11:01 pm

1 stop7h 07m

Shreveport

Sat 1/17

7:00 am-3:04 pm

1 stop8h 04m

$259

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/29

Showing 1-10 of 40 results
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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, December is the cheapest month in which you can book a flight from St. Louis to Louisiana (average of $93). Flying from St. Louis to Louisiana in June is currently the most expensive (average of $278). 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 December 29, 2025.

It’s optimal to fly from St. Louis to Louisiana at noon. By choosing this option you can save up to 11% on the cost of your flight, compared to a flight in the evening.

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 December 29, 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.

Comfort

8.0

Food

7.0

Overall

8.0

Entertainment

7.5

Crew

8.6

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Comfort

8.0

Food

7.0

Overall

8.0

Entertainment

7.5

Crew

8.6

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Comfort

8.0

Food

7.0

Overall

8.0

Entertainment

7.5

Crew

8.6

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Comfort

8.0

Food

7.0

Overall

8.0

Entertainment

7.5

Crew

8.6

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Comfort

8.0

Food

7.0

Overall

8.0

Entertainment

7.5

Crew

8.6

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Comfort

8.0

Food

7.0

Overall

8.0

Entertainment

7.5

Crew

8.6

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

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?

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

    Departing from St. Louis to Louisiana will take you 5h 16m. There are 476 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 Frontier ($62), Delta ($98), and American Airlines ($118).

  • What are the most popular routes 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 $472, our data indicates the cheapest price to be $345. The most popular route (Lambert-St Louis - New Orleans Louis Armstrong), is priced around $158.

  • 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, December is the cheapest month in which you can book a flight from St. Louis to Louisiana (average of $93). Flying from St. Louis to Louisiana in June is currently the most expensive (average of $278). 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

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Alternative routes for St. Louis to Louisiana

See prices for flight routes from nearby airports that may be better suited for you.

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 December 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$82Average$240FlexibilityNo cancel feeOn-time62%
DeltaCheapest$98Average$328FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$186Average$367FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$196Average$349FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$240Average$416FlexibilityNo cancel feeOn-time63%

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