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Baton Rouge

$192+ Cheap flights from St. Louis to Baton Rouge (STL - BTR)

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 7/4. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BTR
Feb 19 — Feb 261
Thu 2/19
Thu 2/26
1 adult, Economy
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Cheap flight deals from St. Louis to Baton Rouge

Cheapest flights from St. Louis to Baton Rouge
Explore the most affordable flight options available from St. Louis to Baton Rouge. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 20, 2026.

This Delta deal was found by Cheapflights users on 1/18. 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 4/97:03 am
STL
-
BTR
1 stop5h 48m
Delta
Tue 4/146:00 am
BTR
-
STL
1 stop4h 34m
Delta
Deal found 1/18$269
This American Airlines deal was found by Cheapflights users on 1/18. 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 2/191:34 pm
STL
-
BTR
1 stop8h 02m
American Airlines
Tue 2/241:30 pm
BTR
-
STL
2 stops10h 18m
American Airlines
Deal found 1/18$274
This Delta deal was found by Cheapflights users on 1/18. 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.
Tue 2/37:10 am
STL
-
BTR
1 stop5h 38m
Delta
Sat 2/71:37 pm
BTR
-
STL
1 stop5h 50m
Delta
Deal found 1/18$279
This Delta deal was found by Cheapflights users on 1/20. 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 2/145:01 pm
STL
-
BTR
1 stop5h 00m
Delta
Thu 2/197:09 pm
BTR
-
STL
1 stop4h 27m
Delta
Deal found 1/20$286
This American Airlines deal was found by Cheapflights users on 1/18. 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 2/36:00 am
STL
-
BTR
2 stops10h 07m
American Airlines
Sat 2/710:33 am
BTR
-
STL
2 stops9h 40m
American Airlines
Deal found 1/18$290
This United Airlines deal was found by Cheapflights users on 1/20. 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.
Sat 2/1411:25 am
STL
-
BTR
2 stops10h 07m
United Airlines
Thu 2/199:30 am
BTR
-
STL
1 stop6h 08m
United Airlines
Deal found 1/20$300
This Delta deal was found by Cheapflights users on 1/20. 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 1/306:00 am
STL
-
BTR
1 stop6h 48m
Delta
Wed 2/45:00 pm
BTR
-
STL
1 stop6h 37m
Delta
Deal found 1/20$309
This United Airlines deal was found by Cheapflights users on 1/20. 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.
Fri 1/306:00 am
STL
-
BTR
1 stop5h 25m
United Airlines
Wed 2/41:55 pm
BTR
-
STL
2 stops9h 03m
United Airlines
Deal found 1/20$325
This American Airlines deal was found by Cheapflights users on 1/20. 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 2/205:12 am
STL
-
BTR
1 stop4h 42m
American Airlines
Mon 2/234:27 pm
BTR
-
STL
1 stop6h 55m
American Airlines
Deal found 1/20$328
This American Airlines deal was found by Cheapflights users on 1/20. 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 3/61:34 pm
STL
-
BTR
1 stop8h 02m
American Airlines
Tue 3/174:28 pm
BTR
-
STL
2 stops7h 20m
American Airlines
Deal found 1/20$333
This American Airlines deal was found by Cheapflights users on 1/18. 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 2/511:55 am
STL
-
BTR
1 stop6h 09m
American Airlines
Tue 2/106:47 pm
BTR
-
STL
1 stop4h 12m
American Airlines
Deal found 1/18$335

Find flight deals from St. Louis to Baton Rouge

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Baton Rouge (BTR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 20, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$269
(Delta)

One-way from

$192
(Delta)

Popular in

December

Cheapest in

October

Average price

$422
Provider with most accurate pricing for Lambert-St Louis-Baton Rouge Ryan flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Baton Rouge Ryan flights.
Search Deals
From Lambert-St Louis to Baton Rouge Ryan
Search Deals
One-way flight from Lambert-St Louis to Baton Rouge Ryan
Search Deals
Highest demand for flights based on searches. 23% potential increase in price ($112 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease ($30 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from St. Louis to Baton Rouge 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 January 20, 2026.
Use the filters below to find and compare flights from St. Louis to Baton Rouge that are best for you.

Fly from

St. Louis

Fly to

Baton Rouge

Route

Depart

Return

Price

St. LouisBaton Rouge

STL - BTR

STLBTR

Lambert-St Louis

Sat 4/11

7:03 am-12:51 pm

1 stop5h 48m

Baton Rouge Ryan

Tue 4/14

6:00 am-10:34 am

1 stop4h 34m

$269

St. LouisBaton Rouge

STL - BTR

STLBTR

Lambert-St Louis

Thu 2/19

1:34 pm-9:36 pm

1 stop8h 02m

Baton Rouge Ryan

Tue 2/24

7:08 am-1:16 pm

1 stop6h 08m

$269

St. LouisBaton Rouge

STL - BTR

STLBTR

Lambert-St Louis

Fri 5/1

6:00 am-12:47 pm

1 stop6h 47m

Baton Rouge Ryan

Sun 5/3

7:04 pm-11:33 pm

1 stop4h 29m

$269

St. LouisBaton Rouge

STL - BTR

STLBTR

Lambert-St Louis

Thu 4/9

7:03 am-12:51 pm

1 stop5h 48m

Baton Rouge Ryan

Mon 4/13

7:04 pm-11:33 pm

1 stop4h 29m

$269

St. LouisBaton Rouge

STL - BTR

STLBTR

Lambert-St Louis

Sat 4/11

7:03 am-12:51 pm

1 stop5h 48m

Baton Rouge Ryan

Mon 4/13

7:04 pm-11:33 pm

1 stop4h 29m

$269

St. LouisBaton Rouge

STL - BTR

STLBTR

Lambert-St Louis

Thu 4/9

7:03 am-12:51 pm

1 stop5h 48m

Baton Rouge Ryan

Tue 4/14

6:00 am-10:34 am

1 stop4h 34m

$269

St. LouisBaton Rouge

STL - BTR

STLBTR

Lambert-St Louis

Tue 2/3

7:10 am-12:48 pm

1 stop5h 38m

Baton Rouge Ryan

Sat 2/7

1:37 pm-7:27 pm

1 stop5h 50m

$279

St. LouisBaton Rouge

STL - BTR

STLBTR

Lambert-St Louis

Sat 4/11

6:00 am-12:51 pm

1 stop6h 51m

Baton Rouge Ryan

Sun 4/12

7:05 pm-11:58 pm

1 stop4h 53m

$286

St. LouisBaton Rouge

STL - BTR

STLBTR

Lambert-St Louis

Tue 2/3

6:00 am-4:07 pm

2 stops10h 07m

Baton Rouge Ryan

Sat 2/7

10:33 am-8:13 pm

2 stops9h 40m

$290

St. LouisBaton Rouge

STL - BTR

STLBTR

Lambert-St Louis

Fri 1/30

6:00 am-11:25 am

1 stop5h 25m

Baton Rouge Ryan

Wed 2/4

1:55 pm-10:58 pm

2 stops9h 03m

$325

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/18

Showing 1-10 of 15 results
1
2

Compare providers for flights from St. Louis to Baton Rouge

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Baton Rouge in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on St. Louis-Baton Rouge flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Baton Rouge flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-Baton Rouge flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on St. Louis-Baton Rouge flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Baton Rouge flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from St. Louis to Baton Rouge

Have a flexible travel schedule? Discover the best time to fly to Baton Rouge 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 Baton Rouge

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

Currently, December is the cheapest month in which you can book a flight from St. Louis to Baton Rouge (average of $86). Flying from St. Louis to Baton Rouge 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.

Reviews of airlines servicing Baton Rouge

Get insights into the airlines that provide service to Baton Rouge. 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 Baton Rouge. Reviews last updated January 20, 2026.
Read through reviews of airlines operating flights from St. Louis to Baton Rouge, such as Delta, United Airlines, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,077 reviews

Comfort

7.9

Entertainment

7.8

Overall

7.9

Food

7.2

Crew

8.5

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,077 reviews
Delta
7.9
Good
8,077 reviews

Comfort

7.9

Entertainment

7.8

Overall

7.9

Food

7.2

Crew

8.5

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,180 reviews
Delta
7.9
Good
8,077 reviews

Comfort

7.9

Entertainment

7.8

Overall

7.9

Food

7.2

Crew

8.5

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,164 reviews
Delta
7.9
Good
8,077 reviews

Comfort

7.9

Entertainment

7.8

Overall

7.9

Food

7.2

Crew

8.5

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Baton Rouge. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Airlines like Delta fly from St. Louis to Baton Rouge in about 5h 48m. The time it takes to get you to your destination can typically vary by up to . The distance from St. Louis to Baton Rouge is about 569 mi.

  • What are the cheapest airlines flying from St. Louis to Baton Rouge round-trip?

    Cheapflights users have booked flights from St. Louis to Baton Rouge round-trip from $162. Other airlines that can offer you cheap pricing are American Airlines, from $189, and United Airlines, from $248. Delta is priced at 56% lower than the current average price of a flight leaving 3 months from now.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from St. Louis to Baton Rouge 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 Baton Rouge?

    Currently, December is the cheapest month in which you can book a flight from St. Louis to Baton Rouge (average of $86). Flying from St. Louis to Baton Rouge 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

Traveling to a place near Baton Rouge?

Book flights to Baton Rouge if you plan to visit one of these locations
McComb
Saint Francisville
Denham Springs
Port Allen

Browse thousands of different options on Cheapflights for your next trip

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Top 3 airlines flying from St. Louis to Baton Rouge

Discover the top 3 airlines that operate flights from St. Louis to Baton Rouge. 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 January 20, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$162Average$348FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$189Average$368FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$248Average$338FlexibilityNo cancel feeOn-time69%

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