BTR - STL

$248 Find Cheap Flights from Baton Rouge to St. Louis - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Baton Rouge to St. Louis departing on 9/17. 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 St. Louis

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

Cheapest round-trip
$305
Typical prices: $493-$342
Delta
Sat 8/22Wed 8/26
BTR - STL • 1 stop
Cheapest one-way
$248
Overall average: $444
Delta
Thu 9/17
BTR - STL • 1 stop
Top airlines
Cheapest • from $305 (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 Baton Rouge and St. Louis. You'll need at least 1 connection.
Insights
Insights
Insights
Insights
Top layover airports
Cheapest • Avg $263 (round-trip)
Shortest trip • 4h 40m (one-way)
Insights
Insights
Insights
Insights
When to travel
Cheapest • 23% 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 St. Louis!
Flight Deals
Booking Insights
Flight Deals

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

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Baton Rouge to St. Louis 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 Baton Rouge to St. Louis

Sat, Aug 22 - Wed, Aug 26
Delta Logo
10:26 am - 2:33 pm
BTR
-
STL
4h 07m
1 stop
Delta Logo
7:00 am - 12:47 pm
STL
-
BTR
5h 47m
1 stop
$305Delta
Wed, Aug 19 - Sun, Aug 23
Delta Logo
7:13 pm - 11:21 pm
BTR
-
STL
4h 08m
1 stop
Delta Logo
3:39 pm - 10:01 pm
STL
-
BTR
6h 22m
1 stop
$307Delta
Fri, Aug 21 - Mon, Aug 24
Delta Logo
1:27 pm - 5:53 pm
BTR
-
STL
4h 26m
1 stop
Delta Logo
11:00 am - 3:08 pm
STL
-
BTR
4h 08m
1 stop
$309Delta
Sat, Aug 22 - Wed, Aug 26
United Airlines Logo
12:00 pm - 10:00 pm
BTR
-
STL
10h 00m
2 stops
United Airlines Logo
6:15 am - 11:13 am
STL
-
BTR
4h 58m
1 stop
$310United Airlines
Sat, Aug 22 - Wed, Aug 26
United Airlines Logo
2:15 pm - 10:59 pm
BTR
-
STL
8h 44m
2 stops
United Airlines Logo
8:00 am - 3:30 pm
STL
-
BTR
7h 30m
2 stops
$315United Airlines
Thu, Jul 2 - Sun, Jul 5
American Airlines Logo
6:16 pm - 11:52 pm
BTR
-
STL
5h 36m
1 stop
American Airlines Logo
5:32 am - 10:58 am
STL
-
BTR
5h 26m
1 stop
$324American Airlines
Fri, Aug 7 - Mon, Aug 10
United Airlines Logo
6:09 pm - 10:45 pm
BTR
-
STL
4h 36m
1 stop
United Airlines Logo
6:14 am - 11:20 am
STL
-
BTR
5h 06m
1 stop
$333United Airlines
Thu, Jun 25 - Sun, Jun 28
American Airlines Logo
7:36 pm - 11:59 pm
BTR
-
STL
4h 23m
1 stop
American Airlines Logo
5:29 am - 11:00 am
STL
-
BTR
5h 31m
1 stop
$339American Airlines
Thu, Jul 2 - Sun, Jul 5
United Airlines Logo
12:10 pm - 5:42 pm
BTR
-
STL
5h 32m
1 stop
United Airlines Logo
6:14 am - 11:20 am
STL
-
BTR
5h 06m
1 stop
$348United Airlines
Sat, Jul 4 - Fri, Jul 10
Delta Logo
6:11 am - 12:34 pm
BTR
-
STL
6h 23m
1 stop
Delta Logo
6:00 am - 12:47 pm
STL
-
BTR
6h 47m
1 stop
$352Delta
Booking Insights

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

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

How much is a round-trip flight from Baton Rouge to St. Louis?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Baton Rouge to St. Louis departing in August.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Baton Rouge to St. Louis, 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 Baton Rouge to St. Louis is January, where tickets cost $263 (return) on average. On the other hand, the most expensive months are May and April, where the average cost of round-trip tickets is $396 and $392 respectively.

Good to know

Low seasonFebruary
Cheapest flight$248
Best time to beat the crowds with an average 20% drop in price.
Most popular time to fly with an average 6% increase in price.
Flight from Baton Rouge to St. Louis

When to book flights from Baton Rouge to St. Louis

Are your dates flexible? Find out the best times to travel from Baton Rouge to St. Louis 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 Baton Rouge to St. Louis

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

    In the last 5 days, the lowest price for a flight from Baton Rouge to St. Louis was $248 for a one-way ticket and $305 for a round-trip.

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

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

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

    Baton Rouge airport is called Baton Rouge Ryan and the only airport in St. Louis is Lambert-St Louis.

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

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

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

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

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

    The two airlines most popular with KAYAK users for flights from Baton Rouge to St. Louis are Delta and United Airlines. With an average price for the route of $338 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 $368 and an overall rating of 7.4.

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

    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 Baton Rouge to St. Louis.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to St. Louis from Baton Rouge 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 Baton Rouge to St. Louis?

    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 St. Louis with an airline and back to Baton Rouge with another airline. Booking your flights between Baton Rouge and STL 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 Baton Rouge to St. Louis?

    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 St. Louis from Baton Rouge 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 Baton Rouge to St. Louis

 
See real verified KAYAK customer reviews for airlines flying from Baton Rouge to St. Louis. 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 Baton Rouge to St. Louis? 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 8405 reviews
7.2Food
8.1Boarding
7.8Comfort
8.5Crew
7.8Entertainment
Airline reviews

Flight attendants were great. Cheerful, upbeat and friendly. Jet, in particular, was fantastic.

10.0 ExcellentJOSEPH, Jun 2026
RIC - ATL
Read more Delta reviews

Flight attendants were great. Cheerful, upbeat and friendly. Jet, in particular, was fantastic.

I have Precheck. Flew HPN to DEN and return this past weekend. Delta didn't attach my Precheck number to this trip. So it was waiting in general line especially in Denver. Unavailable.

Original flight was delayed, then cancelled and the gate staff did not expedite rebooking. Also, no instructions were given that a ticket number was needed before being called to facilitate rebooking. This could have been much more organized.

Be on time? When not on time a circling for over an hour offer more than 1 bag of chips to the passengers? It was a 7 hour flight by the time we got done.

Five hour delays every hour, I wish it were all at once

Flight delayed four separate times. I’m now one hour hours late to landing.

worst flight ever from Delta, it got delayed and kept on delaying..

Should never have had to go to Detroit from Orlando back to Tennessee!

Got rerouted from a straight flight from Orlando to Atlanta to Knoxville to a flight from Orlando to Detroit to Knoxville! Seriously!! Flight delay out of Detroit! Long day for what should have been a pretty easy travel day!

Two delays on two separate planes with parts they could not easily find and replace.

Horrible! Several delays and then was cancelled! I spent over 24 hours in the airport and was unable to get a hotel or food voucher.

The entertainment is a bit limited, it would be better if they added some games to play besides the movies and tv shows. But the seats are comfortable and the crew is polite

This planes staff was top tier. Everything went great and had a great flight home.

Food was great. Staff was phenomenal. Seats were a bit hard and could use a lot more entertainment options as far as movies to choose from. WiFi was good. Overall great trip.

This was an overnight flight, and in the morning they did know coffee service. How you can throw passengers in a San Francisco airport at 5:40 a.m. in the morning and not giving them Coffee is a crime.

Our flight was delayed several Times due to mechanical issues. Although I understand this may happen at times, it was very inconvenient and we had to book a hotel for an overnight stay. We were traveling with my 3-yo grandson and waiting at the airport from noon until 6:30pm with no reassurance that our next rescheduled flight would depart, we had to decide what’s best for him. A day later, I found out that I may be able to demand compensation if my flight is delayed more than 4 hours. I will hav to read the fine print next time.

The pilot had to extend the flight time from san antonio to Houston to burn off fuel. This caused a lot of unnecessary stress since we had a tight connection to Aruba. And with no other flights going to Aruba we were worried about spending a night in Houston. We had to to run to our connection because of the flight crews mistake. Not happy.

Service was professional and quick. Premium economy seat was comfortable given the class

I'm a United 1K member and have ben for 10 years. The gate agent had no control over the boarding process and had us passengers queued for hours as delays were announced. On the plane, the overhead air nozzle was broken so col over was powering through on me and the passenger next to me. Not a great experience for a million miler on United. Feel free to contact me. Josh Smigel - DM426089

Like: departed and arrived on time. Unlike: Food options for purchase allways bad, 1 of 2 of the crew members not very friendly at all. Seats and leg room aweful. At this point I am thinking on switching to AA.

Trash. Sat on the runway for 40 mins…missed connecting flight because of it now I’m stuck. Thanks…a whole fkn lot.

The flight was delayed significantly and we sat on runway after landing for awhile. Best thing was the flight attendant, Jenny, in first class, who was very professional and attentive. She was excellent - the rest of the flight was not.

Awfully rude American worker at door when we started boarding flight. Then, walk into a blazing hot airplane with no air conditioning until twenty minutes into the flight. Free entertainment was non existent! My husband, along with the fellow passenger in our row, and I could not get entertainment to work, no WIFI! Really?? Been flying American a long time. Was very disappointed.

Flight was delayed by 6 hours... the level of incompetence was truly astounding. I won't be flying American Airlines again. I don't care if AA is direct and there is a layover with another airline, I'll take the layover.

Leave on time. We waited on the plane for hour hours and it was hot and smelly

Two hours delay, probably one hour because they didn’t bring catering and they had to bring water in board. There a change of aircraft. But delays galore at CLT so it must be a CLT and/or AA operation issue. The 1 hr additional delays because nobody could bring 2 packs of water sooner is probably the best example of this airline operates

Flight was delayed 5 hours. Initial reason for delay was 'maintenance' - which makes sense. Then, the additional 2 hours continued to say it was maintenance - when I know EWR had a 2 hour delay. AA did not say that. Additionally, when boarding, there was only one agent at the counter for a long time - until another came to help. After boarding, we had to wait another 45 minutes due to 'no catering'. So while we waited for catering, AA continued to board additional passengers - which seemed odd - and raised questions about what really was going on. I sat in First Class. During the flight, the flight crew allowed a significant number of non-First Class passengers to use the front bathroom - which created a very crowded environment in First Class which was uncomfortable. This also delayed First Class passengers from using the bathroom. Overall, horrible experience.

The Charleston, WV airport was cute. Very good staff and small enough to feel comfortable. The plane had more leg room than bigger planes. Much more comfortable.

Another uncoordinated American experience. Always surprises me at DFW for them of all places. Have to take this flight as there are no other good time options. We knew from the start that something was wrong, but the pilot wouldn't tell us. I just watched my Kayak app grow the delay by 10 minutes as it went to 3.5 hours. They were uncoordinated with maintenance (as maintenance, when finally arriving, knew within 15 minutes the plane wasn't going. No 'sorry' or 'this is what is going on' comment. The pilot seemed unfazed / didn't care about the process we were going through.

The seats. The seat in front of me was awful and when the guy sat down, it flew back and hit my head when I was putting my backpack under the seat, It didn't make for a pleasant experience,

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

Information on your arrival and departure airports