STL - BTR

$139 Find Cheap Flights from St. Louis to Baton Rouge

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from St. Louis to Baton Rouge departing on 5/7. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Baton Rouge

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from St. Louis to Baton Rouge, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from St. Louis to Baton Rouge, as well as popular online travel agencies
Travelers love KAYAK
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Everything you should know

Cheapest round-trip
$277
Typical prices: $253-$399
Delta
Tue 4/7Tue 4/14
STL - BTR • 1 stop
Cheapest one-way
$139
Typical prices: $277-$316
Delta
Thu 5/7
STL - BTR • 1 stop
Top airlines
Cheapest • from $277 (round-trip)
Best reviews • 7.9 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
Nonstop flights
Not available
There are currently no direct flights between St. Louis and Baton Rouge. You'll need at least 1 connection.
Insights
Insights
Insights
Insights
Top layover airports
Cheapest • Avg $329 (round-trip)
Shortest trip • 4h 42m (one-way)
Insights
Insights
Insights
Insights
When to travel
Cheapest • 34% price drop
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Baton Rouge!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from St. Louis to Baton Rouge (STL-BTR)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from St. Louis to Baton Rouge that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from St. Louis to Baton Rouge

Tue, Apr 7 - Tue, Apr 14
Delta Logo
7:03 am - 12:51 pm
STL
-
BTR
5h 48m
1 stop
Delta Logo
1:45 pm - 5:44 pm
BTR
-
STL
3h 59m
1 stop
$277Delta
Mon, Apr 6 - Fri, Apr 10
American Airlines Logo
5:12 am - 9:54 am
STL
-
BTR
4h 42m
1 stop
American Airlines Logo
4:53 pm - 10:59 pm
BTR
-
STL
6h 06m
1 stop
$281American Airlines
Tue, Apr 7 - Tue, Apr 14
United Airlines Logo
9:10 am - 7:37 pm
STL
-
BTR
10h 27m
2 stops
United Airlines Logo
6:09 pm - 10:28 pm
BTR
-
STL
4h 19m
1 stop
$282United Airlines
Fri, May 8 - Sun, May 10
Delta Logo
10:49 am - 3:07 pm
STL
-
BTR
4h 18m
1 stop
Delta Logo
10:27 am - 4:10 pm
BTR
-
STL
5h 43m
1 stop
$297Delta
Fri, Apr 3 - Tue, Apr 14
Delta Logo
4:21 pm - 10:03 pm
STL
-
BTR
5h 42m
1 stop
Delta Logo
4:00 pm - 9:19 pm
BTR
-
STL
5h 19m
1 stop
$301Delta
Fri, Apr 17 - Tue, Apr 21
United Airlines Logo
6:00 am - 11:21 am
STL
-
BTR
5h 21m
1 stop
United Airlines Logo
12:00 pm - 9:13 pm
BTR
-
STL
9h 13m
2 stops
$302United Airlines
Tue, Mar 24 - Wed, Apr 1
Delta Logo
7:03 am - 12:51 pm
STL
-
BTR
5h 48m
1 stop
Delta Logo
4:00 pm - 9:06 pm
BTR
-
STL
5h 06m
1 stop
$305Delta
Wed, May 20 - Sun, May 24
American Airlines Logo
5:20 am - 10:02 am
STL
-
BTR
4h 42m
1 stop
American Airlines Logo
7:36 pm - 11:59 pm
BTR
-
STL
4h 23m
1 stop
$308American Airlines
Sat, Mar 28 - Wed, Apr 1
United Airlines Logo
10:05 am - 3:32 pm
STL
-
BTR
5h 27m
1 stop
United Airlines Logo
5:00 am - 12:22 pm
BTR
-
STL
7h 22m
2 stops
$310United Airlines
Sun, Apr 26 - Sun, May 10
Delta Logo
6:00 am - 12:50 pm
STL
-
BTR
6h 50m
1 stop
Delta Logo
10:27 am - 4:10 pm
BTR
-
STL
5h 43m
1 stop
$317Delta
Booking Insights

KAYAK's insights & trends for St. Louis to Baton Rouge flights

Get data-powered insights and trends into flights from St. Louis to Baton Rouge to help you find the cheapest flights, the best time to fly and much more.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from St. Louis to Baton Rouge, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from St. Louis to Baton Rouge is October, where tickets cost $248 (return) on average. On the other hand, the most expensive months are December and March, where the average cost of round-trip tickets is $697 and $460 respectively.

Good to know

Low seasonMarch
Cheapest flight$139
Best time to beat the crowds but there is an average 22% increase in price.
Most popular time to fly and prices are also 1% lower on average.
Flight from St. Louis to Baton Rouge

When to book flights from St. Louis to Baton Rouge

Are your dates flexible? Find out the best times to travel from St. Louis to Baton Rouge based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from St. Louis to Baton Rouge

  • What is the cheapest flight from St. Louis to Baton Rouge?

    In the last 3 days, the lowest price for a flight from St. Louis to Baton Rouge was $139 for a one-way ticket and $277 for a round-trip.

  • Do I need a passport to fly between St. Louis and Baton Rouge?

    A passport is not required to fly from St. Louis to Baton Rouge.

  • Which airports will I be using when flying from St. Louis to Baton Rouge?

    When flying out of St. Louis you will be using Lambert-St Louis. You will be landing at Baton Rouge, also known as Baton Rouge Ryan.

  • Which aircraft models fly most regularly from St. Louis to Baton Rouge?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from St. Louis to Baton Rouge?

    Star Alliance, SkyTeam, and oneworld are the airline alliances operating flights between St. Louis and Baton Rouge, with Star Alliance being the most commonly used for this route.

  • Which is the best airline for flights from St. Louis to Baton Rouge, Delta or United Airlines?

    The two airlines most popular with KAYAK users for flights from St. Louis to Baton Rouge are Delta and United Airlines. With an average price for the route of $323 and an overall rating of 7.9, Delta is the most popular choice. United Airlines is also a great choice for the route, with an average price of $338 and an overall rating of 7.4.

  • How does KAYAK find such low prices on flights from St. Louis to Baton Rouge?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from St. Louis to Baton Rouge.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from St. Louis to Baton Rouge?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Baton Rouge from St. Louis is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from St. Louis to Baton Rouge?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Baton Rouge with an airline and back to St. Louis with another airline. Booking your flights between St. Louis and BTR can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from St. Louis to Baton Rouge?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Baton Rouge from St. Louis up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top 3 airlines serving from St. Louis to Baton Rouge

 
See real verified KAYAK customer reviews for airlines flying from St. Louis to Baton Rouge. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from St. Louis to Baton Rouge? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.9
DeltaOverall score based on 8285 reviews
8.1Boarding
8.5Crew
7.9Comfort
7.2Food
7.8Entertainment
Airline reviews

We landed and sat on the tarmac for 45 minutes because they only have one gate at the airport and there was another plane running late so we had to wait

2.0 MediocreSusan, Mar 2026
JAX - ATL
Read more Delta reviews

We landed and sat on the tarmac for 45 minutes because they only have one gate at the airport and there was another plane running late so we had to wait

The WiFi was not working. That made for a long flight.

Absolutely no communication on why there's a delay and multiple flight time reschedules. I would have canceled the flight and drove back home if I known it was going to be rescheduled 3 or 4 times.

Another late night flight and MORE men belligerently drinking and yelling. I had to move from first to economy because they were so obnoxious and disruptive. Crazy to go from a cozy chair to cardboard when you were supposed to be in first. Delta allows was too much drinking which leads to belligerent behavior.

I was in first class and literally the men behind me were so aggressively loud I moved myself to economy. This has become so common on Delta - people using audio without headphones, and men on 12am / late night flights drinking and yelling to talk to each other which prevents anyone around them from resting. Pretty crazy to have to move from first to economy (poorer service, less comfort...). Wild wild. Looking into other airlines.

Love delta smaller commuter plane so no entertainment and paid wifi on MKE-LGA leg was extremely unreliable and slow

Stop changing gates. Stop cancelling flights Stop moving my seat.

Extremely disappointed with Delta. They canceled flight last minute and then I rebooked the other flights and with which were delayed as well

Could not get my connecting flight boarding pass until four hrs before departure! Ver annoying especially since the staff could not explain why!

The flight was flying with 30% capacity. The flight my seat from preferred seating to back of the seat. Even though i can understand that this was to balance the flight weight. The flight attendance decided to do the serving near my seat and in the middle , their noices woke me up from sleep , when i realized that the service has ended and when they were going back asked for a coffee, for which they answered they have completed teh service in my location. That really upset me as they woke me up and also rejected the coffee i asked. I ended up landing with a headache, thanks to the crew that screwed up my travel

Wifi Bluetooth features for watching in flight movie was horrible. Screen kept blacking out no connection of sound although it said connected. Other than that smooth trip .

The travel company that you have on your site did me so wrong. I don’t know how it happened, but they put my son‘s name on my plane ticket flying to Vietnam. Along with his birthday. They would not have let me fly from Fort Myers to Ho Chi Minh City. I don’t think that I can ever use your service again. I typed my information into the browser along with my passport number and four days before I’m leaving I have to quickly search another ticket to fly out here.

Seats are uncomfortable. This has been a trend in the industry for decades. Trying to fit more seats on each plane to increase profits at the expense of the passenger.

The flight was delayed so we were dead tired, and after that the turbulence was horrible. I was very scared.

It’s always a great time flying with united airlines.

Good flight. Efficient boarding and competent flight crew. No problems until we arrived at our destination gate. We were early so there was an aircraft at the gate that had to move before we could pull in. Then, due to the type of aircraft we flew, the cabin door could not be opened until some luggage from the cargo bay was offloaded to preserve center of gravity characteristics. So, that further delayed deplaning. Despite being 20 minutes early on landing, we ended up being 5 to 10 minutes late after all the delays.

Everything went well except the turbulence what no one have a control of but pilot and crew handled very good!

There was no WiFi available, there were mechanical problems with the plane and we landed at C 124, then the gate was switched to A 26, then all the way back to C126! For a 75 yo woman traveling alone, this was a difficult journey, indeed!

This trip did not start off well. The inbound flight was delayed about 20 minutes. Then, after initial onboarding, the passengers had to deplane due to a mechanical problem. That took about 30 minutes to fix and be cleared. Then, reboarding was chaotic. It took a long time to sort passengers and two passengers on standby were ticketed but there was no seat. So, they had to deplane. One of the flight crew was trying to help passengers figure out a place to put their carry-on bags and that took more time. In the end, our scheduled 10:30 am departure did not actually take off until about 12:05 pm CST. The flight itself was long but we got to Houston. Some passengers missed their connecting flights and had to rebook. Not the best of flights I've had.

Staff were good. My seat was in need of repair, but for a short flight was not problematic. Usual basic snack and drink setup that you'll find on any US carrier. Over, a decent, basic flight.

There was no beverage service and the only time I saw a crew member walk through the cabin is when we were preparing to land.

Our flight was delayed 3 times and this is why I am giving such low reviews. Everything else was okay but being in the airport at 4:30pm for my initial flight at 7pm to not leave until after 9:30pm is insane,

Flights were constantly delayed. CRW took 50 minutes to get bags

Flight has been delayed every time I've ever taken it. Seats uncomfortable. Children behind me yelling the entire flight. Some of this is out of their control but overall just consistently not a great experience.

Check in was rough because the check in crew did not know how to manage my international visa documents. Required a long process and 4 people to finally be able to proceed to security. They told us incorrect information several times before acknowledging we did indeed have everything we needed from the start.

Where do I start!! I was delayed with my flight from Dallas to Tampa. On the way back from Tampa to Dallas the flight was delayed over 4 hours+. I was put on another flight that was also delayed but not as long. Traveling on American Airlines is becoming exhausing.

There was no inflight service. Once we landed we were delayed to find a gate for an hour and a half which was 1/2 the total time in the air.

The gate got changed several times and the flight was delayed over an hour. Awful experience

Poor communication ahead of time about flight delays and old planes/other equipment.

The flight was delayed multiple times. I was autobooted and placed in the center seat in the last row of the plane.

Everything you need to know for your flight from St. Louis to Baton Rouge

Information on your arrival and departure airports