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Baton Rouge

$224+ 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 7/10. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BTR
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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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 June 12, 2025.

Round-trip from

$233
(Delta)

One-way from

$224
(American Airlines)

Popular in

September

Cheapest in

April

Average price

$368
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. 14% potential increase in price ($64 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This Delta deal was found by Cheapflights users on 6/11. 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 7/56:00 amSTL - BTR
1 stop5h 42mDelta
Sun 7/67:03 pmBTR - STL
1 stop4h 48mDelta
Deal found 6/11$233
This American Airlines deal was found by Cheapflights users on 6/10. 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 6/265:37 amSTL - BTR
1 stop4h 41mAmerican Airlines
Mon 6/306:32 pmBTR - STL
1 stop5h 27mAmerican Airlines
Deal found 6/10$259
This United Airlines deal was found by Cheapflights users on 6/11. 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 7/115:00 amSTL - BTR
2 stops10h 27mUnited Airlines
Wed 7/165:10 amBTR - STL
1 stop4h 18mUnited Airlines
Deal found 6/11$354
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/287:32 pmSTL - BTR
2 stops20h 11mAlaska Airlines
Thu 7/315:51 amBTR - STL
2 stops18h 08mAlaska Airlines
Deal found 6/10$1,053

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 June 12, 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

Sat 7/5

6:00 am-11:42 am

1 stop5h 42m

Baton Rouge Ryan

Sun 7/6

7:03 pm-11:51 pm

1 stop4h 48m

$233

St. LouisBaton Rouge

STL - BTR

STLBTR

Lambert-St Louis

Thu 6/26

5:37 am-10:18 am

1 stop4h 41m

Baton Rouge Ryan

Mon 6/30

6:32 pm-11:59 pm

1 stop5h 27m

$259

St. LouisBaton Rouge

STL - BTR

STLBTR

Lambert-St Louis

Fri 7/11

5:00 am-3:27 pm

2 stops10h 27m

Baton Rouge Ryan

Wed 7/16

5:10 am-9:28 am

1 stop4h 18m

$354

St. LouisBaton Rouge

STL - BTR

STLBTR

Lambert-St Louis

Mon 7/28

7:32 pm-3:43 pm

2 stops20h 11m

Baton Rouge Ryan

Thu 7/31

5:51 am-11:59 pm

2 stops18h 08m

$1,053

St. LouisBaton Rouge

STL - BTR

STLBTR

Lambert-St Louis

Thu 7/10

5:30 am-10:13 am

1 stop4h 43m

$224

St. LouisBaton Rouge

STL - BTR

STLBTR

Lambert-St Louis

Thu 7/10

5:00 am-1:18 pm

2 stops8h 18m

$264

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

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?

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 June 12, 2025.

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

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

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

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 June 12, 2025.
Read through reviews of airlines operating flights from St. Louis to Baton Rouge, such as Alaska Airlines, Delta and United Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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?

    Cheapflights users have booked flights from St. Louis to Baton Rouge round-trip from $233. Other airlines that can offer you cheap pricing are American Airlines, from $259, and United Airlines, from $354. Delta is priced at 39% 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, 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

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Saint Francisville
McComb
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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$232Average$323FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$253Average$371FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$258Average$418FlexibilityNo cancel feeOn-time69%

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