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St. Louis

$93+ 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 5/23. Fares are subject to change and may not be available on all flights or dates of travel.
MSY — STL
abr. 22 — abr. 291
mar. 4/22
mar. 4/29
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 abril 17, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$212
(Mytrip)

One-way from

$93
(Mytrip)

Popular in

October

Cheapest in

July

Average price

$344

Good round-trip deal

$354 or less

Good one-way deal

$193 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. 8% potential increase in price ($30 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 April 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 abril 17, 2025.

This Mytrip deal was found by Cheapflights users on 4/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 5/168:05 pmMSY - STL
1 stop13h 10mMultiple Airlines
dom. 5/187:30 amSTL - MSY
1 stop25h 10mMultiple Airlines
Deal found 4/16$212
This CheapOair deal was found by Cheapflights users on 4/17. 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.
vie. 5/212:10 pmMSY - STL
1 stop12h 04mFrontier
lun. 5/56:53 pmSTL - MSY
1 stop22h 32mFrontier
Deal found 4/17$221
This Delta deal was found by Cheapflights users on 4/17. 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. 5/1612:41 pmSHV - STL
1 stop5h 20mDelta
lun. 5/191:09 pmSTL - SHV
1 stop6h 43mDelta
Deal found 4/17$229
This Mytrip deal was found by Cheapflights users on 4/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 5/1512:23 pmMSY - STL
1 stop23h 14mSun Country Air
dom. 5/187:30 amSTL - MSY
1 stop25h 10mSun Country Air
Deal found 4/16$231
This United Airlines deal was found by Cheapflights users on 4/17. 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.
mar. 6/105:21 amSHV - STL
1 stop5h 18mUnited Airlines
mar. 6/175:00 amSTL - SHV
2 stops8h 15mUnited Airlines
Deal found 4/17$234
This Delta deal was found by Cheapflights users on 4/17. 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. 6/115:42 pmLFT - STL
1 stop6h 09mDelta
vie. 6/2010:48 amSTL - LFT
1 stop4h 07mDelta
Deal found 4/17$249
This Delta deal was found by Cheapflights users on 4/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 6/1312:27 pmBTR - STL
1 stop5h 38mDelta
lun. 6/165:23 pmSTL - BTR
1 stop5h 02mDelta
Deal found 4/16$249
This Southwest deal was found by Cheapflights users on 4/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/136:00 pmMSY - STL
Nonstop1h 50mSouthwest
mar. 5/206:40 pmSTL - MSY
Nonstop1h 45mSouthwest
Deal found 4/16$271
This American Airlines deal was found by Cheapflights users on 4/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 5/95:21 amLFT - STL
1 stop4h 33mAmerican Airlines
mar. 5/134:52 pmSTL - LFT
1 stop5h 51mAmerican Airlines
Deal found 4/16$279
This United Airlines deal was found by Cheapflights users on 4/17. 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. 4/305:15 amLFT - STL
2 stops9h 27mUnited Airlines
sáb. 5/34:50 pmSTL - LFT
1 stop4h 54mUnited Airlines
Deal found 4/17$289
This United Airlines deal was found by Cheapflights users on 4/17. 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. 4/302:05 pmBTR - STL
1 stop6h 51mUnited Airlines
sáb. 5/38:00 amSTL - BTR
2 stops9h 52mUnited Airlines
Deal found 4/17$289
This American Airlines deal was found by Cheapflights users on 4/17. 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.
mié. 4/304:37 pmBTR - STL
2 stops6h 56mAmerican Airlines
sáb. 5/35:45 amSTL - BTR
2 stops8h 25mAmerican Airlines
Deal found 4/17$294

Cheapflights Fare Finder

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 abril 17, 2025.
Use the filters below to find and compare flights from Louisiana to St. Louis that are best for you.

Fly from

Louisiana

Fly to

St. Louis

Route

Depart

Return

Price

New OrleansSt. Louis

MSY - STL

MSYSTL

New Orleans Louis Armstrong

vie. 5/16

8:05 pm-9:15 am

1 stop13h 10m

Lambert-St Louis

dom. 5/18

7:30 am-8:40 am

1 stop25h 10m

$212

New OrleansSt. Louis

MSY - STL

MSYSTL

New Orleans Louis Armstrong

vie. 5/2

12:10 pm-12:14 am

1 stop12h 04m

Lambert-St Louis

lun. 5/5

6:53 pm-5:25 pm

1 stop22h 32m

$221

ShreveportSt. Louis

SHV - STL

SHVSTL

Shreveport

vie. 5/16

12:41 pm-6:01 pm

1 stop5h 20m

Lambert-St Louis

lun. 5/19

1:09 pm-7:52 pm

1 stop6h 43m

$229

New OrleansSt. Louis

MSY - STL

MSYSTL

New Orleans Louis Armstrong

jue. 5/15

12:23 pm-11:37 am

1 stop23h 14m

Lambert-St Louis

dom. 5/18

7:30 am-8:40 am

1 stop25h 10m

$231

ShreveportSt. Louis

SHV - STL

SHVSTL

Shreveport

mar. 6/10

5:21 am-10:39 am

1 stop5h 18m

Lambert-St Louis

mar. 6/17

5:00 am-1:15 pm

2 stops8h 15m

$234

LafayetteSt. Louis

LFT - STL

LFTSTL

Lafayette Regional

mié. 6/11

5:42 pm-11:51 pm

1 stop6h 09m

Lambert-St Louis

mar. 6/17

7:00 am-11:04 am

1 stop4h 04m

$249

Baton RougeSt. Louis

BTR - STL

BTRSTL

Baton Rouge Ryan

vie. 6/13

12:27 pm-6:05 pm

1 stop5h 38m

Lambert-St Louis

lun. 6/16

5:23 pm-10:25 pm

1 stop5h 02m

$249

New OrleansSt. Louis

MSY - STL

MSYSTL

New Orleans Louis Armstrong

mar. 5/13

6:00 pm-7:50 pm

Nonstop1h 50m

Lambert-St Louis

mar. 5/20

6:40 pm-8:25 pm

Nonstop1h 45m

$271

LafayetteSt. Louis

LFT - STL

LFTSTL

Lafayette Regional

vie. 5/9

5:21 am-9:54 am

1 stop4h 33m

Lambert-St Louis

mar. 5/13

4:52 pm-10:43 pm

1 stop5h 51m

$279

LafayetteSt. Louis

LFT - STL

LFTSTL

Lafayette Regional

mié. 4/30

5:15 am-2:42 pm

2 stops9h 27m

Lambert-St Louis

sáb. 5/3

4:50 pm-9:44 pm

1 stop4h 54m

$289

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/16

Showing 1-10 of 30 results
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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.

Cheapflights Insights

Everything you need to know about your flight from Louisiana to St. Louis

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 abril 17, 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 abril 17, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest and Delta 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.
Alaska Airlines
8.0
Very good
9,887 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Entertainment

7.1

Comfort

7.9

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Alaska Airlines
8.0
Very good
9,887 reviews
Alaska Airlines
8.0
Very good
9,887 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Entertainment

7.1

Comfort

7.9

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Southwest
8.0
Very good
4,280 reviews
Alaska Airlines
8.0
Very good
9,887 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Entertainment

7.1

Comfort

7.9

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Delta
8.0
Very good
7,916 reviews
Alaska Airlines
8.0
Very good
9,887 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Entertainment

7.1

Comfort

7.9

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
United Airlines
7.4
Good
8,667 reviews
Alaska Airlines
8.0
Very good
9,887 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Entertainment

7.1

Comfort

7.9

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,887 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Entertainment

7.1

Comfort

7.9

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

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 8 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 $93. Users have also found prices from $96 and $136 on Frontier and Southwest, 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 Baton Rouge Ryan - Lambert-St Louis or Shreveport - Lambert-St Louis.

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

    Looking at all options, your cheapest flight can be booked for $99. While the most popular route (New Orleans Louis Armstrong - Lambert-St Louis) can be booked for $189 on average our data indicates $319 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
Maryland Heights
Fairview Heights
Collinsville
Wentzville
Eureka
St. Peters
Festus
Glencoe
Alton
Farmington
Chesterfield

Browse thousands of different options on Cheapflights for your next trip

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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 abril 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$106Average$178FlexibilityNo cancel feeOn-time65%
FrontierCheapest$134Average$168FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$178Average$326FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$188Average$318FlexibilityNo cancel feeOn-time69%
DeltaCheapest$195Average$290FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$316Average$421FlexibilityNo cancel feeOn-time63%

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