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Baton Rouge

$238+ 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 1/11. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BTR
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Find 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 October 30, 2025.

This Delta deal was found by Cheapflights users on 10/28. 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.
Wed 12/35:28 pmSTL - BTR
1 stop4h 25mDelta
Wed 12/106:07 amBTR - STL
1 stop4h 38mDelta
Deal found 10/28$249
This American Airlines deal was found by Cheapflights users on 10/28. 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.
Wed 12/36:52 amSTL - BTR
1 stop7h 02mAmerican Airlines
Wed 12/107:20 amBTR - STL
2 stops9h 30mAmerican Airlines
Deal found 10/28$254
This United Airlines deal was found by Cheapflights users on 10/29. 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 11/138:20 amSTL - BTR
1 stop7h 01mUnited Airlines
Mon 11/176:09 pmBTR - STL
1 stop4h 13mUnited Airlines
Deal found 10/29$279
This United Airlines deal was found by Cheapflights users on 10/29. 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 11/68:20 amSTL - BTR
1 stop5h 02mUnited Airlines
Wed 11/129:30 amBTR - STL
1 stop6h 20mUnited Airlines
Deal found 10/29$309
This United Airlines deal was found by Cheapflights users on 10/28. 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 11/68:20 amSTL - BTR
1 stop7h 01mUnited Airlines
Mon 11/106:09 pmBTR - STL
1 stop4h 13mUnited Airlines
Deal found 10/28$339
This American Airlines deal was found by Cheapflights users on 10/29. 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.
Wed 11/262:08 pmSTL - BTR
1 stop5h 58mAmerican Airlines
Wed 12/33:08 pmBTR - STL
1 stop7h 58mAmerican Airlines
Deal found 10/29$344
This United Airlines deal was found by Cheapflights users on 10/29. 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 10/306:15 amSTL - BTR
1 stop5h 03mUnited Airlines
Sun 11/23:56 pmBTR - STL
1 stop6h 26mUnited Airlines
Deal found 10/29$369

Cheap 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 October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$249
(Delta)

One-way from

$238
(American Airlines)

Popular in

November

Cheapest in

October

Average price

$248
Provider with most accurate pricing for Lambert-St Louis-Baton Rouge Ryan flight deals.
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Provider most trusted by Cheapflights users for Lambert-St Louis-Baton Rouge Ryan flights.
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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. 21% potential increase in price ($100 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 12% potential price decrease ($42 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
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 October 30, 2025.
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

Wed 12/3

5:28 pm-9:53 pm

1 stop4h 25m

Baton Rouge Ryan

Wed 12/10

6:07 am-10:45 am

1 stop4h 38m

$249

St. LouisBaton Rouge

STL - BTR

STLBTR

Lambert-St Louis

Wed 12/3

6:52 am-1:54 pm

1 stop7h 02m

Baton Rouge Ryan

Wed 12/10

7:20 am-4:50 pm

2 stops9h 30m

$254

St. LouisBaton Rouge

STL - BTR

STLBTR

Lambert-St Louis

Thu 11/13

8:20 am-3:21 pm

1 stop7h 01m

Baton Rouge Ryan

Mon 11/17

6:09 pm-10:22 pm

1 stop4h 13m

$279

St. LouisBaton Rouge

STL - BTR

STLBTR

Lambert-St Louis

Thu 11/6

8:20 am-1:22 pm

1 stop5h 02m

Baton Rouge Ryan

Wed 11/12

9:30 am-3:50 pm

1 stop6h 20m

$309

St. LouisBaton Rouge

STL - BTR

STLBTR

Lambert-St Louis

Thu 11/6

8:20 am-3:21 pm

1 stop7h 01m

Baton Rouge Ryan

Mon 11/10

6:09 pm-10:22 pm

1 stop4h 13m

$339

St. LouisBaton Rouge

STL - BTR

STLBTR

Lambert-St Louis

Wed 11/26

2:08 pm-8:06 pm

1 stop5h 58m

Baton Rouge Ryan

Wed 12/3

3:08 pm-11:06 pm

1 stop7h 58m

$344

St. LouisBaton Rouge

STL - BTR

STLBTR

Lambert-St Louis

Fri 1/16

11:55 am-6:04 pm

1 stop6h 09m

Baton Rouge Ryan

Mon 1/19

7:07 am-3:04 pm

1 stop7h 57m

$353

St. LouisBaton Rouge

STL - BTR

STLBTR

Lambert-St Louis

Sun 1/11

3:54 pm-8:59 pm

1 stop5h 05m

$238

St. LouisBaton Rouge

STL - BTR

STLBTR

Lambert-St Louis

Fri 11/28

7:05 am-1:35 pm

1 stop6h 30m

$238

St. LouisBaton Rouge

STL - BTR

STLBTR

Lambert-St Louis

Fri 11/28

6:15 am-11:18 am

1 stop5h 03m

$273

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Showing 1-10 of 14 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 October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on St. Louis-Baton Rouge flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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, January is the cheapest month in which you can book a flight from St. Louis to Baton Rouge (average of $150). Flying from St. Louis to Baton Rouge in February is currently the most expensive (average of $258). 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 BTR?

Find hourly flight availability from St. Louis to Baton Rouge. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 30, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 31% on flights from St. Louis to Baton Rouge by exploring options for tickets at noon.

How much does it cost to fly round-trip from St. Louis to Baton Rouge?

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 October 30, 2025.
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
7,998 reviews

Comfort

7.9

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,998 reviews
Delta
7.9
Good
7,998 reviews

Comfort

7.9

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
United Airlines
7.4
Good
8,998 reviews
Delta
7.9
Good
7,998 reviews

Comfort

7.9

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
American Airlines
7.2
Good
11,035 reviews
Delta
7.9
Good
7,998 reviews

Comfort

7.9

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

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, American Airlines, and United Airlines fly from St. Louis to Baton Rouge in about 4h 25m. The time it takes to get you to your destination can typically vary by up to 2h 37m. The distance from St. Louis to Baton Rouge is about 569 mi. This flight may include one or multiple stops.

  • 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 57% 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, January is the cheapest month in which you can book a flight from St. Louis to Baton Rouge (average of $150). Flying from St. Louis to Baton Rouge in February is currently the most expensive (average of $258). 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

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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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$162Average$318FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$189Average$348FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$248Average$388FlexibilityNo cancel feeOn-time69%

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