Louisiana

$80+ 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 10/9. Fares are subject to change and may not be available on all flights or dates of travel.
STL — MSY
jul. 7 — jul. 141
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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 julio 2, 2025.

Round-trip from

$181
(Booking.com)

One-way from

$80
(Flightnetwork)

Popular in

May

Cheapest in

August

Average price

$371

Good round-trip deal

$307 or less

Good one-way deal

$228 or less
From Lambert-St Louis to Louisiana
One-way flight from Lambert-St Louis to Louisiana
Highest demand for flights based on searches. 3% potential increase in price ($15 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Average for round-trip flights in July 2025
Price to beat on a round-trip flight from Lambert-St Louis to Louisiana.
Price to beat on a one-way flight from Lambert-St Louis to Louisiana.

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 julio 2, 2025.

This Booking.com deal was found by Cheapflights users on 6/30. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 7/3011:24 amSTL - MSY
1 stop7h 51mSpirit Airlines
jue. 8/76:20 amMSY - STL
1 stop10h 11mSpirit Airlines
Deal found 6/30$181
This Southwest deal was found by Cheapflights users on 7/1. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/119:50 amSTL - MSY
Nonstop1h 40mSouthwest
mié. 8/138:50 amMSY - STL
Nonstop1h 50mSouthwest
Deal found 7/1$197
This Priceline deal was found by Cheapflights users on 7/2. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/1611:02 amSTL - MSY
1 stop4h 54mMultiple Airlines
dom. 10/197:53 amMSY - STL
1 stop10h 39mMultiple Airlines
Deal found 7/2$198
This Delta deal was found by Cheapflights users on 7/1. 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.
lun. 8/115:11 pmSTL - MSY
1 stop6h 20mDelta
jue. 8/149:05 amMSY - STL
1 stop5h 32mDelta
Deal found 7/1$207
This American Airlines deal was found by Cheapflights users on 7/2. 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.
lun. 9/85:18 amSTL - SHV
1 stop4h 26mAmerican Airlines
lun. 9/155:11 pmSHV - STL
1 stop5h 56mAmerican Airlines
Deal found 7/2$229
This Delta deal was found by Cheapflights users on 7/1. 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.
mié. 7/167:00 amSTL - SHV
1 stop5h 26mDelta
sáb. 7/196:05 amSHV - STL
1 stop6h 13mDelta
Deal found 7/1$239
This Delta deal was found by Cheapflights users on 7/1. 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.
vie. 8/15:23 pmSTL - LFT
1 stop4h 20mDelta
dom. 8/35:39 pmLFT - STL
1 stop6h 14mDelta
Deal found 7/1$249
This Delta deal was found by Cheapflights users on 7/2. 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.
vie. 8/85:23 pmSTL - BTR
1 stop4h 35mDelta
sáb. 8/164:38 pmBTR - STL
1 stop5h 24mDelta
Deal found 7/2$249
This American Airlines deal was found by Cheapflights users on 7/1. 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.
jue. 8/147:23 amSTL - LFT
2 stops8h 32mAmerican Airlines
dom. 8/1712:12 pmLFT - STL
1 stop6h 17mAmerican Airlines
Deal found 7/1$254
This United Airlines deal was found by Cheapflights users on 6/30. 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.
mié. 10/86:15 amSTL - MSY
1 stop4h 33mUnited Airlines
dom. 10/125:15 amMSY - STL
1 stop4h 37mUnited Airlines
Deal found 6/30$264
This United Airlines deal was found by Cheapflights users on 7/2. 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.
vie. 8/85:00 amSTL - BTR
2 stops8h 18mUnited Airlines
lun. 8/112:00 pmBTR - STL
1 stop4h 53mUnited Airlines
Deal found 7/2$278
This American Airlines deal was found by Cheapflights users on 7/2. 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.
vie. 8/83:53 pmSTL - BTR
1 stop7h 08mAmerican Airlines
sáb. 8/165:45 amBTR - STL
2 stops7h 27mAmerican Airlines
Deal found 7/2$299

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 julio 2, 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

mié. 7/30

11:24 am-7:15 pm

1 stop7h 51m

New Orleans Louis Armstrong

jue. 8/7

6:20 am-4:31 pm

1 stop10h 11m

$181

St. LouisNew Orleans

STL - MSY

STLMSY

Lambert-St Louis

lun. 8/11

9:50 am-11:30 am

Nonstop1h 40m

New Orleans Louis Armstrong

mié. 8/13

8:50 am-10:40 am

Nonstop1h 50m

$197

St. LouisNew Orleans

STL - MSY

STLMSY

Lambert-St Louis

jue. 10/16

11:02 am-3:56 pm

1 stop4h 54m

New Orleans Louis Armstrong

dom. 10/19

7:53 am-6:32 pm

1 stop10h 39m

$198

St. LouisNew Orleans

STL - MSY

STLMSY

Lambert-St Louis

mié. 9/3

1:26 pm-5:53 pm

1 stop4h 27m

New Orleans Louis Armstrong

sáb. 9/6

5:03 pm-10:02 pm

1 stop4h 59m

$224

St. LouisShreveport

STL - SHV

STLSHV

Lambert-St Louis

lun. 9/8

5:18 am-9:44 am

1 stop4h 26m

Shreveport

lun. 9/15

5:11 pm-11:07 pm

1 stop5h 56m

$229

St. LouisShreveport

STL - SHV

STLSHV

Lambert-St Louis

mié. 7/16

7:00 am-12:26 pm

1 stop5h 26m

Shreveport

sáb. 7/19

6:05 am-12:18 pm

1 stop6h 13m

$239

St. LouisLafayette

STL - LFT

STLLFT

Lambert-St Louis

vie. 8/1

5:23 pm-9:43 pm

1 stop4h 20m

Lafayette Regional

dom. 8/3

5:39 pm-11:53 pm

1 stop6h 14m

$249

St. LouisBaton Rouge

STL - BTR

STLBTR

Lambert-St Louis

vie. 8/8

5:23 pm-9:58 pm

1 stop4h 35m

Baton Rouge Ryan

dom. 8/17

6:00 am-9:57 am

1 stop3h 57m

$249

St. LouisLafayette

STL - LFT

STLLFT

Lambert-St Louis

jue. 8/14

7:23 am-3:55 pm

2 stops8h 32m

Lafayette Regional

dom. 8/17

12:12 pm-6:29 pm

1 stop6h 17m

$254

St. LouisNew Orleans

STL - MSY

STLMSY

Lambert-St Louis

mié. 10/8

6:15 am-10:48 am

1 stop4h 33m

New Orleans Louis Armstrong

dom. 10/12

5:15 am-9:52 am

1 stop4h 37m

$264

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

Showing 1-10 of 29 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, August is the cheapest month in which you can book a flight from St. Louis to Louisiana (average of $256). Flying from St. Louis to Louisiana in April is currently the most expensive (average of $343). 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 julio 2, 2025.

When flying from St. Louis to Louisiana, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 julio 2, 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.

Food

7.0

Overall

8.0

Comfort

8.0

Entertainment

7.6

Crew

8.6

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Food

7.0

Overall

8.0

Comfort

8.0

Entertainment

7.6

Crew

8.6

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
8.0
Very good

Food

7.0

Overall

8.0

Comfort

8.0

Entertainment

7.6

Crew

8.6

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Food

7.0

Overall

8.0

Comfort

8.0

Entertainment

7.6

Crew

8.6

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Food

7.0

Overall

8.0

Comfort

8.0

Entertainment

7.6

Crew

8.6

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Food

7.0

Overall

8.0

Comfort

8.0

Entertainment

7.6

Crew

8.6

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

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?

  • 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 ($80), Spirit Airlines ($92), and Southwest ($99).

  • 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 $423, our data indicates the cheapest price to be $197. The most popular route (Lambert-St Louis - New Orleans Louis Armstrong), is priced around $194.

  • 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, August is the cheapest month in which you can book a flight from St. Louis to Louisiana (average of $256). Flying from St. Louis to Louisiana in April is currently the most expensive (average of $343). 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

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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 6 airlines flying from St. Louis to Louisiana

Discover the top 6 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 julio 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$127Average$223FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$151Average$299FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$186Average$342FlexibilityNo cancel feeOn-time71%
DeltaCheapest$194Average$297FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$216Average$401FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$293Average$426FlexibilityNo cancel feeOn-time63%

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