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 $249. Other airlines that can offer you cheap pricing are United Airlines, from $287, and American Airlines, from $546. Delta is priced at 36% lower than the current average price of a flight leaving 3 months from now.

What are the cheapest airlines to fly from St. Louis to Baton Rouge one-way?

One-way options have recently been found by users for as low as $183 on Delta. Other airlines that offer cheap prices include American Airlines from $223 and United Airlines from $245 one-way.

What is the cheapest day to fly from St. Louis to Baton Rouge?

Travelers seeking maximum savings on their St. Louis to Baton Rouge flight should consider departing on Wednesday mornings when fares are most often at their lowest. Friday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 day to fly round-trip from St. Louis to Baton Rouge?

Travelers have found that booking a Tuesday departure is the best way to save up to 55% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

What is the cheapest month to fly from St. Louis to Baton Rouge?

Our data shows that April tends to be the cheapest month to fly to Baton Rouge from St. Louis. Users have commonly found prices around $393 for the month, but tickets can be as low as $253. Due to multiple factors, prepare for potentially higher prices in September.

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 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.

$183+ Flights from St. Louis to Baton Rouge - Compare & Save Big

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1. Tell us where you want to go

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Cheap flight deals from St. Louis to Baton Rouge

Most accurate provider	FlightHub 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$249 (Delta)
One-way from	$183 (Delta)
Popular in	September
Cheapest in	April
Average price	$391

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

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One-way flight from Lambert-St Louis to Baton Rouge Ryan

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Highest demand for flights based on searches. 12% potential increase in price ($54 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in May 2025

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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 May 21, 2025.

Wed 6/187:00 amSTL - BTR

1 stop4h 42mDelta

Wed 6/256:00 amBTR - STL

1 stop6h 35mDelta

Deal found 5/19

$249

Wed 6/48:10 amSTL - BTR

2 stops7h 17mUnited Airlines

Sun 6/82:14 pmBTR - STL

1 stop6h 35mUnited Airlines

Deal found 5/20

$287

Thu 5/225:00 amSTL - BTR

2 stops7h 25mAmerican Airlines

Wed 6/186:32 pmBTR - STL

1 stop5h 27mAmerican Airlines

Deal found 5/21

$299

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 May 21, 2025.

Wed 6/187:00 amSTL - BTR

1 stop4h 42mDelta

Wed 6/256:00 amBTR - STL

1 stop6h 35mDelta

Deal found 5/19

$249

Wed 6/48:10 amSTL - BTR

2 stops7h 17mUnited Airlines

Sun 6/82:14 pmBTR - STL

1 stop6h 35mUnited Airlines

Deal found 5/20

$287

Wed 6/117:20 amSTL - BTR

2 stops8h 30mAmerican Airlines

Wed 6/116:32 pmBTR - STL

1 stop5h 27mAmerican Airlines

Deal found 5/21

$546

Last-minute flights from St. Louis to Baton Rouge
Discover last-minute flight deals from St. Louis to Baton Rouge. Data last updated May 21, 2025 and is based on user searches.

Thu 5/225:00 amSTL - BTR

2 stops7h 25mAmerican Airlines

Wed 6/186:32 pmBTR - STL

1 stop5h 27mAmerican Airlines

Deal found 5/21

$299

Thu 5/295:55 pmSTL - BTR

1 stop5h 04mUnited Airlines

Mon 6/24:02 pmBTR - STL

1 stop6h 13mUnited Airlines

Deal found 5/21

$324

Wed 6/48:10 amSTL - BTR

2 stops7h 17mUnited Airlines

Sun 6/82:14 pmBTR - STL

1 stop6h 35mUnited Airlines

Deal found 5/20

$287

Wed 6/187:00 amSTL - BTR

1 stop4h 42mDelta

Wed 6/256:00 amBTR - STL

1 stop6h 35mDelta

Deal found 5/19

$249

One-way flights from St. Louis to Baton Rouge
Search for one-way flight options from St. Louis to Baton Rouge. Find affordable one-way fares based on user searches. Data last updated May 21, 2025.

Tue 7/291:29 pmSTL - BTR

1 stop4h 51mDelta

Deal found 5/20

$183

Tue 7/296:00 amSTL - BTR

2 stops9h 43mAmerican Airlines

Deal found 5/20

$223

Fri 8/85:00 amSTL - BTR

2 stops8h 18mUnited Airlines

Deal found 5/20

$245

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

Wed 6/18

7:00 am-11:42 am

1 stop4h 42m

Baton Rouge Ryan

Wed 6/25

6:00 am-12:35 pm

1 stop6h 35m

$249

St. LouisBaton Rouge

STL - BTR

STLBTR

Lambert-St Louis

Wed 6/4

8:10 am-3:27 pm

2 stops7h 17m

Baton Rouge Ryan

Sun 6/8

2:14 pm-8:49 pm

1 stop6h 35m

$287

St. LouisBaton Rouge

STL - BTR

STLBTR

Lambert-St Louis

Wed 6/11

7:20 am-3:50 pm

2 stops8h 30m

Baton Rouge Ryan

Wed 6/11

6:32 pm-11:59 pm

1 stop5h 27m

$546

St. LouisBaton Rouge

STL - BTR

STLBTR

Lambert-St Louis

Tue 7/29

1:29 pm-6:20 pm

1 stop4h 51m

$183

St. LouisBaton Rouge

STL - BTR

STLBTR

Lambert-St Louis

Tue 7/29

6:00 am-3:43 pm

2 stops9h 43m

$223

St. LouisBaton Rouge

STL - BTR

STLBTR

Lambert-St Louis

Fri 8/8

5:00 am-1:18 pm

2 stops8h 18m

$245

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/20

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 May.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*2 stars
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 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 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, August is the cheapest month in which you can book a flight from St. Louis to Baton Rouge (average of $334). Flying from St. Louis to Baton Rouge in March is currently the most expensive (average of $455). 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?

Unlike in the afternoon, when flights are generally more expensive, you can save up to 32% on flights from St. Louis to Baton Rouge by exploring options for tickets at noon.

Rainfall in Baton Rouge by month

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.

Temperature in Baton Rouge by month

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).

Reviews of airlines servicing Baton Rouge

Delta

8.0

Very good

7,951 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very good

7,951 reviews

Delta

8.0

Very good

7,951 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

United Airlines

7.4

Good

8,745 reviews

Delta

8.0

Very good

7,951 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,951 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

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 $249. Other airlines that can offer you cheap pricing are United Airlines, from $287, and American Airlines, from $546. Delta is priced at 36% lower than the current average price of a flight leaving 3 months from now.
What are the cheapest airlines to fly from St. Louis to Baton Rouge one-way?
One-way options have recently been found by users for as low as $183 on Delta. Other airlines that offer cheap prices include American Airlines from $223 and United Airlines from $245 one-way.
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, August is the cheapest month in which you can book a flight from St. Louis to Baton Rouge (average of $334). Flying from St. Louis to Baton Rouge in March is currently the most expensive (average of $455). 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
Delta	Cheapest$232	Average$346	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$253	Average$381	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$258	Average$418	FlexibilityNo cancel fee	On-time69%

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$183+ 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 7/29. 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

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find 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 May 21, 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 May 21, 2025.

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 May.

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?

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 May 21, 2025.

Rainfall in Baton Rouge by month

Plan your trip to Baton Rouge by taking into account the average rainfall totals by month.

Temperature in Baton Rouge by month

Plan your trip to Baton Rouge by taking into account the average temperature totals by month.

Reviews of airlines servicing Baton Rouge

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.

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

What are the cheapest airlines to fly from St. Louis to Baton Rouge one-way?

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 St. Louis?

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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 May 21, 2025.