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$77+ Cheap flights from Louisiana to St. Louis (STL)

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.
MSY — STL
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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Cheap flight deals from Louisiana to St. Louis

Keep the following information in mind while searching for Louisiana to St. Louis flight deals. Data was last updated February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$158
(Mytrip)

One-way from

$77
(Cheapflightsfares)

Popular in

October

Cheapest in

July

Average price

$372

Good round-trip deal

$341 or less

Good one-way deal

$348 or less
Provider with most accurate pricing for New Orleans Louis Armstrong-Lambert-St Louis flight deals.
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Provider most trusted by Cheapflights users for New Orleans Louis Armstrong-Lambert-St Louis flights.
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From Louisiana to Lambert-St Louis
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One-way flight from Louisiana to Lambert-St Louis
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Highest demand for flights based on searches. 9% potential increase in price ($33 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($8 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 Louisiana to Lambert-St Louis.
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Price to beat on a one-way flight from Louisiana to Lambert-St Louis.
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Find flight deals from Louisiana to St. Louis

Cheapest flights from Louisiana to St. Louis
Explore the most affordable flight options available from Louisiana to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.

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.
Thu 3/207:44 pmMSY - STL
1 stop13h 32mFrontier
Thu 3/275:24 pmSTL - MSY
1 stop20h 46mFrontier
Deal found 2/20$158
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/164:20 pmMSY - STL
1 stop24h 56mMultiple Airlines
Sat 4/196:51 pmSTL - MSY
1 stop24h 00mMultiple Airlines
Deal found 2/20$180
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 3/73:24 pmSHV - STL
1 stop4h 37mDelta
Tue 3/111:06 pmSTL - SHV
1 stop7h 17mDelta
Deal found 2/20$234
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.
Fri 3/76:07 pmSHV - STL
1 stop5h 33mAmerican Airlines
Tue 3/1111:55 amSTL - SHV
2 stops8h 21mAmerican Airlines
Deal found 2/20$244
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/35:00 amMSY - STL
2 stops9h 42mUnited Airlines
Fri 4/45:35 pmSTL - MSY
1 stop4h 55mUnited Airlines
Deal found 2/20$250
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 5/97:44 pmMSY - STL
2 stops22h 48mSpirit Airlines
Sun 5/117:37 pmSTL - MSY
1 stop11h 21mSpirit Airlines
Deal found 2/20$260
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.
Thu 3/207:00 amMSY - STL
Nonstop1h 50mSouthwest
Thu 3/278:10 pmSTL - MSY
1 stop4h 15mSouthwest
Deal found 2/20$262
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/279:40 amSHV - STL
1 stop5h 36mUnited Airlines
Sat 4/511:00 amSTL - SHV
1 stop6h 42mUnited Airlines
Deal found 2/20$270
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 6/51:40 pmBTR - STL
1 stop4h 21mDelta
Sat 6/74:00 pmSTL - BTR
1 stop6h 01mDelta
Deal found 2/19$339
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.
Thu 6/55:30 amMSY - STL
1 stop6h 15mDelta
Mon 6/93:30 pmSTL - MSY
1 stop6h 46mDelta
Deal found 2/20$395
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/265:55 pmLCH - STL
1 stop4h 20mUnited Airlines
Sat 5/318:05 amSTL - LCH
2 stops11h 35mUnited Airlines
Deal found 2/20$398
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.
Thu 6/59:45 amBTR - STL
1 stop7h 08mUnited Airlines
Sat 6/75:00 amSTL - BTR
2 stops10h 21mUnited Airlines
Deal found 2/19$460

Find flights from Louisiana to St. Louis within your budget

Customize your flight search to find flights from Louisiana 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, Cheapflights users made 2,558,603 searches. Data last updated February 20, 2025.

Fly from

Louisiana

Fly to

St. Louis

Route

Depart

Return

Price

New OrleansSt. Louis

MSY - STL

MSYSTL

New Orleans Louis Armstrong

Thu 3/20

7:44 pm-9:16 am

1 stop13h 32m

Lambert-St Louis

Thu 3/27

5:24 pm-2:10 pm

1 stop20h 46m

$158

New OrleansSt. Louis

MSY - STL

MSYSTL

New Orleans Louis Armstrong

Wed 4/16

4:20 pm-5:16 pm

1 stop24h 56m

Lambert-St Louis

Sat 4/19

6:51 pm-6:51 pm

1 stop24h 00m

$180

ShreveportSt. Louis

SHV - STL

SHVSTL

Shreveport

Fri 3/7

3:24 pm-8:01 pm

1 stop4h 37m

Lambert-St Louis

Tue 3/11

1:06 pm-8:23 pm

1 stop7h 17m

$234

ShreveportSt. Louis

SHV - STL

SHVSTL

Shreveport

Fri 3/7

6:07 pm-11:40 pm

1 stop5h 33m

Lambert-St Louis

Tue 3/11

11:55 am-8:16 pm

2 stops8h 21m

$244

Baton RougeSt. Louis

BTR - STL

BTRSTL

Baton Rouge Ryan

Wed 3/19

4:45 pm-11:56 pm

1 stop7h 11m

Lambert-St Louis

Wed 3/26

1:51 pm-9:59 pm

1 stop8h 08m

$249

New OrleansSt. Louis

MSY - STL

MSYSTL

New Orleans Louis Armstrong

Thu 4/3

5:00 am-2:42 pm

2 stops9h 42m

Lambert-St Louis

Fri 4/4

5:35 pm-10:30 pm

1 stop4h 55m

$250

New OrleansSt. Louis

MSY - STL

MSYSTL

New Orleans Louis Armstrong

Fri 5/9

7:44 pm-6:32 pm

2 stops22h 48m

Lambert-St Louis

Sun 5/11

7:37 pm-6:58 am

1 stop11h 21m

$260

New OrleansSt. Louis

MSY - STL

MSYSTL

New Orleans Louis Armstrong

Thu 3/20

7:00 am-8:50 am

Nonstop1h 50m

Lambert-St Louis

Thu 3/27

8:10 pm-12:25 am

1 stop4h 15m

$262

ShreveportSt. Louis

SHV - STL

SHVSTL

Shreveport

Thu 3/27

9:40 am-3:16 pm

1 stop5h 36m

Lambert-St Louis

Sat 4/5

11:00 am-5:42 pm

1 stop6h 42m

$270

Baton RougeSt. Louis

BTR - STL

BTRSTL

Baton Rouge Ryan

Wed 3/19

5:06 am-2:23 pm

2 stops9h 17m

Lambert-St Louis

Wed 3/26

6:30 am-3:50 pm

2 stops9h 20m

$330

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

Showing 1-10 of 24 results
1
2
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Best time to book a flight from Louisiana to St. Louis

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

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

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

Currently, August is the cheapest month in which you can book a flight from Louisiana to St. Louis (average of $311). Flying from Louisiana to St. Louis in March is currently the most expensive (average of $356). 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 LA to STL?

Find hourly flight availability from Louisiana to St. Louis. 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.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Louisiana to St. Louis as you normally would.

Rainfall in St. Louis by month

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

In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.

Temperature in St. Louis by month

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

If weather is an important factor for your trip to St. Louis, 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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. 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 St. Louis. Reviews last updated February 20, 2025.
Peruse reviews from past customers who have flown with Southwest, Delta and United Airlines from Louisiana to St. Louis to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,411 reviews

Food

7.1

Crew

8.7

Entertainment

7.6

Boarding

8.2

Comfort

8.1

Overall

8.1

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

Crew

8.7

Entertainment

7.6

Boarding

8.2

Comfort

8.1

Overall

8.1

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
8,219 reviews
Southwest
8.1
Very good
4,411 reviews

Food

7.1

Crew

8.7

Entertainment

7.6

Boarding

8.2

Comfort

8.1

Overall

8.1

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
8,765 reviews
Southwest
8.1
Very good
4,411 reviews

Food

7.1

Crew

8.7

Entertainment

7.6

Boarding

8.2

Comfort

8.1

Overall

8.1

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

Crew

8.7

Entertainment

7.6

Boarding

8.2

Comfort

8.1

Overall

8.1

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.

Spirit Airlines
6.3
Okay
8,013 reviews
Southwest
8.1
Very good
4,411 reviews

Food

7.1

Crew

8.7

Entertainment

7.6

Boarding

8.2

Comfort

8.1

Overall

8.1

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 Louisiana to St. Louis. 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 into for flights to St. Louis from Louisiana?

    If you book a flight to St. Louis from Louisiana, you will be flying to 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 Louisiana to St. Louis flight route?

    This flight path from Louisiana to Lambert-St Louis was viewed by 5 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    For one-way options, check prices for Spirit Airlines. According to our data, you can fly for as low as $77. Users have also found prices from $85 and $99 on Frontier and Delta, respectively.

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

    The most popular route from Louisiana to St. Louis is New Orleans Louis Armstrong - Lambert-St Louis. You may also consider Shreveport - Lambert-St Louis or Baton Rouge Ryan - Lambert-St Louis.

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

    Looking at all options, your cheapest flight can be booked for $183. While the most popular route (New Orleans Louis Armstrong - Lambert-St Louis) can be booked for $184 on average our data indicates $406 when flying from Louisiana to St. Louis.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Louisiana to St. Louis (average of $311). Flying from Louisiana to St. Louis in March is currently the most expensive (average of $356). 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

Traveling to a place near Louisiana?

Book flights to Louisiana if you plan to visit one of these locations
Fenton
Fairview Heights
Maryland Heights
Collinsville
Wentzville
Eureka
St. Peters
Festus
Alton
Farmington
Chesterfield

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Alternative routes for Louisiana to St. Louis

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Louisiana to St. Louis

Discover the top 6 airlines that operate flights from Louisiana to St. Louis. 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$106Average$178FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$125Average$335FlexibilityNo cancel feeOn-time71%
FrontierCheapest$134Average$168FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$188Average$342FlexibilityNo cancel feeOn-time69%
DeltaCheapest$195Average$292FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$320Average$432FlexibilityNo cancel feeOn-time63%
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