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

Airlines like United Airlines fly from St. Louis to Baton Rouge in about 4h 50m. 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 55% lower than the current average price of a flight leaving 3 months from now.

In terms of precipitation, rainfall in Baton Rouge ranges from 3.4 - 6.0 inches per month. July is typically the wettest month, when rainfall can reach 6.0 in. October is typically the driest time to visit Baton Rouge when rainfall is around 3.4 in.

If weather is an important factor for your trip to Baton Rouge, 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).

What are the most popular airlines that fly from St. Louis to Baton Rouge?

Before booking your flight from St. Louis to Baton Rouge check out the most popular airlines for this route: American Airlines, Delta or United Airlines.

What is the cheapest time of day to fly from STL to BTR?

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

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.

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.

$279+ Flights from St. Louis to Baton Rouge

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

Airfare is below average for this route at the moment. St. Louis to Baton Rouge flights typically cost between $323 and $450 in January. The cheapest round-trip price found within the last 3 days was $279 on United Airlines (Jan 10-Jan 14).

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1. Tell us where you want to go

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2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 December 28, 2025.

Fri 12/263:30 pmSTL - BTR

1 stop7h 07mAmerican Airlines

Thu 1/14:21 pmBTR - STL

1 stop6h 35mAmerican Airlines

Deal found 12/25

$354

Mon 12/299:08 amSTL - BTR

2 stops8h 15mAmerican Airlines

Sun 1/44:34 pmBTR - STL

1 stop7h 21mAmerican Airlines

Deal found 12/26

$409

Fri 12/262:06 pmSTL - BTR

2 stops8h 31mAmerican Airlines

Sat 1/35:53 pmBTR - STL

1 stop5h 03mAmerican Airlines

Deal found 12/26

$525

Best flights from St. Louis to Baton Rouge
Discover carefully curated flight deals from St. Louis to Baton Rouge that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 28, 2025.

Sat 1/104:42 pmSTL - BTR

1 stop4h 50mUnited Airlines

Wed 1/145:15 pmBTR - STL

1 stop4h 45mUnited Airlines

Deal found 12/26

$279

Fri 1/163:37 pmSTL - BTR

1 stop7h 19mAmerican Airlines

Mon 1/196:47 pmBTR - STL

1 stop4h 12mAmerican Airlines

Deal found 12/26

$387

Thu 1/157:10 amSTL - BTR

1 stop6h 20mDelta

Sun 1/186:18 amBTR - STL

1 stop4h 47mDelta

Deal found 12/27

$394

Tue 1/206:00 amSTL - BTR

1 stop5h 25mUnited Airlines

Sat 1/243:30 pmBTR - STL

1 stop6h 30mUnited Airlines

Deal found 12/25

$329

Sat 1/314:42 pmSTL - BTR

1 stop4h 50mUnited Airlines

Sun 2/83:30 pmBTR - STL

1 stop6h 30mUnited Airlines

Deal found 12/27

$423

Sun 2/16:00 amSTL - BTR

1 stop5h 25mUnited Airlines

Sun 2/83:30 pmBTR - STL

1 stop6h 30mUnited Airlines

Deal found 12/27

$423

Last-minute flights from St. Louis to Baton Rouge
Discover last-minute flight deals from St. Louis to Baton Rouge. Data last updated December 28, 2025 and is based on user searches.

Fri 12/263:30 pmSTL - BTR

1 stop7h 07mAmerican Airlines

Thu 1/14:21 pmBTR - STL

1 stop6h 35mAmerican Airlines

Deal found 12/25

$354

Thu 1/18:05 amSTL - BTR

2 stops9h 27mUnited Airlines

Thu 1/81:55 pmBTR - STL

2 stops9h 03mUnited Airlines

Deal found 12/26

$364

Sat 1/38:05 amSTL - BTR

2 stops11h 18mUnited Airlines

Sat 1/105:15 pmBTR - STL

1 stop4h 45mUnited Airlines

Deal found 12/27

$335

Sat 1/104:42 pmSTL - BTR

1 stop4h 50mUnited Airlines

Wed 1/145:15 pmBTR - STL

1 stop4h 45mUnited Airlines

Deal found 12/26

$279

Thu 1/157:10 amSTL - BTR

1 stop6h 20mDelta

Sun 1/186:18 amBTR - STL

1 stop4h 47mDelta

Deal found 12/27

$394

Fri 1/163:37 pmSTL - BTR

1 stop7h 19mAmerican Airlines

Mon 1/196:47 pmBTR - STL

1 stop4h 12mAmerican Airlines

Deal found 12/26

$387

Tue 1/206:00 amSTL - BTR

1 stop5h 25mUnited Airlines

Sat 1/243:30 pmBTR - STL

1 stop6h 30mUnited Airlines

Deal found 12/25

$329

Find flight deals from St. Louis to Baton Rouge

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$279 (United Airlines)
Popular in	December
Cheapest in	October
Average price	$577

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

Highest demand for flights based on searches. 17% potential increase in price ($74 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease ($20 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from St. Louis to Baton Rouge that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisBaton Rouge

STL - BTR

STLBTR

Lambert-St Louis

Sat 1/10

4:42 pm-9:32 pm

1 stop4h 50m

Baton Rouge Ryan

Wed 1/14

5:15 pm-10:00 pm

1 stop4h 45m

$279

St. LouisBaton Rouge

STL - BTR

STLBTR

Lambert-St Louis

Tue 1/20

6:00 am-11:25 am

1 stop5h 25m

Baton Rouge Ryan

Sat 1/24

3:30 pm-10:00 pm

1 stop6h 30m

$329

St. LouisBaton Rouge

STL - BTR

STLBTR

Lambert-St Louis

Fri 1/16

3:37 pm-10:56 pm

1 stop7h 19m

Baton Rouge Ryan

Mon 1/19

6:47 pm-10:59 pm

1 stop4h 12m

$387

St. LouisBaton Rouge

STL - BTR

STLBTR

Lambert-St Louis

Thu 1/15

7:10 am-1:30 pm

1 stop6h 20m

Baton Rouge Ryan

Sun 1/18

6:18 am-11:05 am

1 stop4h 47m

$394

St. LouisBaton Rouge

STL - BTR

STLBTR

Lambert-St Louis

Sat 1/31

4:42 pm-9:32 pm

1 stop4h 50m

Baton Rouge Ryan

Sun 2/8

3:30 pm-10:00 pm

1 stop6h 30m

$423

St. LouisBaton Rouge

STL - BTR

STLBTR

Lambert-St Louis

Sun 2/1

6:00 am-11:25 am

1 stop5h 25m

Baton Rouge Ryan

Sun 2/8

3:30 pm-10:00 pm

1 stop6h 30m

$423

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/26

Compare providers for flights from St. Louis to Baton Rouge

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 December.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust 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, December is the cheapest month in which you can book a flight from St. Louis to Baton Rouge (average of $93). 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.

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

Reviews of airlines servicing Baton Rouge

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

8,019 reviews

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

8,019 reviews

Delta

7.9

Good

8,019 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

United Airlines

7.4

Good

9,113 reviews

Delta

7.9

Good

8,019 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

American Airlines

7.2

Good

11,072 reviews

Delta

7.9

Good

8,019 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

Related info for your journey

How long is the flight from St. Louis to Baton Rouge?
Airlines like United Airlines fly from St. Louis to Baton Rouge in about 4h 50m. 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 55% 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 $93). 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

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Top 3 airlines flying from St. Louis to Baton Rouge

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$189	Average$366	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$232	Average$348	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$248	Average$338	FlexibilityNo cancel fee	On-time69%

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$279+ Cheap flights from St. Louis to Baton Rouge (STL - BTR)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/10. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from St. Louis to Baton Rouge with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from St. Louis to Baton Rouge

Cheapest flights from St. Louis to Baton RougeExplore 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 December 28, 2025.

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 December 28, 2025.

Find flight deals from St. Louis to Baton Rouge

Most accurate provider

Most trusted provider

Round-trip from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from St. Louis to Baton Rouge that are best for you.

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 December.

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.

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?

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

Reviews of airlines servicing Baton Rouge

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.

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?

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

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

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

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

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

Traveling to a place near Baton Rouge?

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Alternative routes for St. Louis to Baton Rouge

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Top 3 airlines flying from St. Louis to Baton Rouge

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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 December 28, 2025.