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$77+ 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 5/20. Fares are subject to change and may not be available on all flights or dates of travel.
STL — MSY
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$209
(Delta)

One-way from

$77
(Cheapflightsfares)

Popular in

October

Cheapest in

August

Average price

$446

Good round-trip deal

$361 or less

Good one-way deal

$208 or less
Provider with most accurate pricing for Lambert-St Louis-New Orleans Louis Armstrong flight deals.
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Provider most trusted by Cheapflights users for Lambert-St Louis-New Orleans Louis Armstrong flights.
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From Lambert-St Louis to Louisiana
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One-way flight from Lambert-St Louis to Louisiana
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Highest demand for flights based on searches. 5% potential increase in price ($20 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Price to beat on a round-trip flight from Lambert-St Louis to Louisiana.
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Price to beat on a one-way flight from Lambert-St Louis to Louisiana.
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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 February 20, 2025.

This Delta deal was found by Cheapflights users on 2/20. 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.
Sat 3/296:00 amSTL - SHV
1 stop4h 22mDelta
Sat 4/510:59 amSHV - STL
1 stop4h 22mDelta
Deal found 2/20$194
This American Airlines deal was found by Cheapflights users on 2/20. 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.
Sat 3/295:10 amSTL - SHV
1 stop4h 25mAmerican Airlines
Sat 4/56:00 amSHV - STL
2 stops8h 53mAmerican Airlines
Deal found 2/20$205
This Delta deal was found by Cheapflights users on 2/19. 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 3/66:00 amSTL - LFT
1 stop4h 27mDelta
Mon 3/101:47 pmLFT - STL
1 stop6h 31mDelta
Deal found 2/19$259
This American Airlines deal was found by Cheapflights users on 2/19. 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.
Thu 3/65:10 amSTL - BTR
1 stop4h 21mAmerican Airlines
Mon 3/104:45 pmBTR - STL
1 stop7h 11mAmerican Airlines
Deal found 2/19$259
This Delta deal was found by Cheapflights users on 2/20. 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.
Fri 4/185:32 pmSTL - MSY
1 stop4h 12mDelta
Mon 4/217:14 pmMSY - STL
1 stop4h 22mDelta
Deal found 2/20$268
This United deal was found by Cheapflights users on 2/20. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/104:33 pmSTL - MSY
1 stop6h 42mUnited Airlines
Thu 3/135:00 amMSY - STL
2 stops9h 23mUnited Airlines
Deal found 2/20$273
This Mytrip deal was found by Cheapflights users on 2/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1812:15 pmSTL - MSY
3 stops33h 57mMultiple Airlines
Mon 4/215:04 pmMSY - STL
2 stops24h 12mMultiple Airlines
Deal found 2/20$275
This Southwest deal was found by Cheapflights users on 2/20. 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.
Mon 3/102:30 pmSTL - MSY
1 stop5h 50mSouthwest
Thu 3/137:00 amMSY - STL
Nonstop1h 50mSouthwest
Deal found 2/20$279
This American Airlines deal was found by Cheapflights users on 2/19. 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 3/1811:39 amSTL - MSY
1 stop8h 23mAmerican Airlines
Tue 3/257:00 amMSY - STL
1 stop9h 41mAmerican Airlines
Deal found 2/19$283
This United Airlines deal was found by Cheapflights users on 2/19. 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.
Wed 3/58:40 amSTL - SHV
1 stop6h 53mUnited Airlines
Wed 3/129:40 amSHV - STL
2 stops13h 53mUnited Airlines
Deal found 2/19$285
This American Airlines deal was found by Cheapflights users on 2/19. 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.
Thu 3/65:55 amSTL - LFT
2 stops9h 48mAmerican Airlines
Mon 3/106:30 pmLFT - STL
1 stop4h 14mAmerican Airlines
Deal found 2/19$294
This United Airlines deal was found by Cheapflights users on 2/19. 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.
Wed 3/54:30 pmSTL - BTR
1 stop4h 59mUnited Airlines
Sun 3/95:06 amBTR - STL
1 stop4h 45mUnited Airlines
Deal found 2/19$317

Find flights from St. Louis to Louisiana within your budget

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 February 20, 2025.

Fly from

St. Louis

Fly to

Louisiana

Route

Depart

Return

Price

St. LouisShreveport

STL - SHV

STLSHV

Lambert-St Louis

Sat 3/29

6:00 am-10:22 am

1 stop4h 22m

Shreveport

Sat 4/5

10:59 am-3:21 pm

1 stop4h 22m

$194

St. LouisShreveport

STL - SHV

STLSHV

Lambert-St Louis

Sat 3/29

5:10 am-9:35 am

1 stop4h 25m

Shreveport

Sat 4/5

6:00 am-2:53 pm

2 stops8h 53m

$205

St. LouisLafayette

STL - LFT

STLLFT

Lambert-St Louis

Thu 3/6

6:00 am-10:27 am

1 stop4h 27m

Lafayette Regional

Mon 3/10

1:47 pm-8:18 pm

1 stop6h 31m

$259

St. LouisBaton Rouge

STL - BTR

STLBTR

Lambert-St Louis

Thu 3/6

5:10 am-9:31 am

1 stop4h 21m

Baton Rouge Ryan

Mon 3/10

4:45 pm-11:56 pm

1 stop7h 11m

$259

St. LouisNew Orleans

STL - MSY

STLMSY

Lambert-St Louis

Fri 4/18

5:32 pm-9:44 pm

1 stop4h 12m

New Orleans Louis Armstrong

Mon 4/21

7:14 pm-11:36 pm

1 stop4h 22m

$268

St. LouisNew Orleans

STL - MSY

STLMSY

Lambert-St Louis

Mon 3/10

9:45 am-11:35 am

Nonstop1h 50m

New Orleans Louis Armstrong

Thu 3/13

7:00 am-8:50 am

Nonstop1h 50m

$273

St. LouisNew Orleans

STL - MSY

STLMSY

Lambert-St Louis

Fri 4/18

12:15 pm-10:12 pm

3 stops33h 57m

New Orleans Louis Armstrong

Mon 4/21

5:04 pm-5:16 pm

2 stops24h 12m

$275

St. LouisNew Orleans

STL - MSY

STLMSY

Lambert-St Louis

Mon 3/10

6:30 am-6:11 pm

2 stops11h 41m

New Orleans Louis Armstrong

Thu 3/13

5:00 am-2:23 pm

2 stops9h 23m

$278

St. LouisNew Orleans

STL - MSY

STLMSY

Lambert-St Louis

Tue 3/18

11:39 am-8:02 pm

1 stop8h 23m

New Orleans Louis Armstrong

Tue 3/25

7:00 am-4:41 pm

1 stop9h 41m

$283

St. LouisShreveport

STL - SHV

STLSHV

Lambert-St Louis

Wed 3/5

8:40 am-3:33 pm

1 stop6h 53m

Shreveport

Wed 3/12

9:40 am-11:33 pm

2 stops13h 53m

$285

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 25 results
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2
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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.

Travel insights for flights from St. Louis to Louisiana

Get recent, data-driven insights about flights from St. Louis to Louisiana including ideal travel times, pricing trends, and more.

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 February 20, 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.

Rainfall in Louisiana by month

Plan your trip to Louisiana by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Louisiana ranges from 3.3 - 6.4 inches per month. June is typically the wettest month, when rainfall can reach 6.4 in. October is typically the driest time to visit Louisiana when rainfall is around 3.3 in.

Temperature in Louisiana by month

Plan your trip to Louisiana by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Louisiana, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

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 February 20, 2025.
To help decide which airline to fly from St. Louis to Louisiana, see what other customers have to say about Southwest, Alaska Airlines and Delta. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,411 reviews

Food

7.1

Overall

8.1

Comfort

8.1

Crew

8.7

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Southwest
8.1
Very good
4,411 reviews
Southwest
8.1
Very good
4,411 reviews

Food

7.1

Overall

8.1

Comfort

8.1

Crew

8.7

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Alaska Airlines
8.0
Very good
9,692 reviews
Southwest
8.1
Very good
4,411 reviews

Food

7.1

Overall

8.1

Comfort

8.1

Crew

8.7

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Delta
8.0
Very good
8,220 reviews
Southwest
8.1
Very good
4,411 reviews

Food

7.1

Overall

8.1

Comfort

8.1

Crew

8.7

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

United Airlines
7.4
Good
8,766 reviews
Southwest
8.1
Very good
4,411 reviews

Food

7.1

Overall

8.1

Comfort

8.1

Crew

8.7

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,411 reviews

Food

7.1

Overall

8.1

Comfort

8.1

Crew

8.7

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

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, 2 users have taken a look at flights from Lambert-St Louis to Louisiana.

  • 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 Spirit Airlines ($77), Frontier ($84), and American Airlines ($99).

  • 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 $332, our data indicates the cheapest price to be $98. The most popular route (Lambert-St Louis - New Orleans Louis Armstrong), is priced around $169.

  • 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.
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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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$86Average$250FlexibilityNo cancel feeOn-time65%
FrontierCheapest$127Average$170FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$155Average$351FlexibilityNo cancel feeOn-time71%
DeltaCheapest$213Average$309FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$231Average$425FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$290Average$442FlexibilityNo cancel feeOn-time63%
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