BTR - STL

$228 Find Cheap Flights from Baton Rouge to St. Louis - Compare and Save

1 adult
1 adult, Economy, 0 bags

Save 19% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Everything you should know

Cheapest round-trip
$337
Typical prices: $338-$477
American Airlines
Fri 11/2Sun 11/11
BTR - STL • 1 stop
Cheapest one-way
$228
Typical prices: $175-$468
American Airlines
Fri 12/7
BTR - STL • 1 stop
Nonstop flights
There are currently no direct flights between Baton Rouge and St. Louis. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
Cheapest • 18% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $263 (round-trip)
Shortest trip • 4h 56m (one-way)
Insights
Insights
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)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

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

Mon, Nov 2 - Wed, Nov 11
American Airlines Logo
5:28 pm - 11:33 pmBTR  Baton Rouge Ryan-STL Lambert-St Louis
6h 05m1 stop Dallas/Fort Worth
American Airlines Logo
2:54 pm - 8:02 pmSTL  Lambert-St Louis-BTR Baton Rouge Ryan
5h 08m1 stop Dallas/Fort Worth
$337American Airlines
Fri, Nov 20 - Tue, Nov 24
American Airlines Logo
5:25 pm - 11:35 pmBTR  Baton Rouge Ryan-STL Lambert-St Louis
6h 10m1 stop Dallas/Fort Worth
American Airlines Logo
6:00 am - 10:33 amSTL  Lambert-St Louis-BTR Baton Rouge Ryan
4h 33m1 stop Dallas/Fort Worth
$337American Airlines
Thu, Nov 5 - Mon, Nov 9
Delta Logo
6:03 am - 10:51 amBTR  Baton Rouge Ryan-STL Lambert-St Louis
4h 48m1 stop Atlanta Hartsfield-Jackson
Delta Logo
12:29 pm - 6:19 pmSTL  Lambert-St Louis-BTR Baton Rouge Ryan
5h 50m1 stop Atlanta Hartsfield-Jackson
$339Delta
Thu, Nov 5 - Mon, Nov 9
American Airlines Logo
5:28 pm - 11:33 pmBTR  Baton Rouge Ryan-STL Lambert-St Louis
6h 05m1 stop Dallas/Fort Worth
American Airlines Logo
6:00 am - 10:31 amSTL  Lambert-St Louis-BTR Baton Rouge Ryan
4h 31m1 stop Dallas/Fort Worth
$339American Airlines
Fri, Oct 23 - Tue, Oct 27
United Airlines Logo
5:20 am - 10:10 amBTR  Baton Rouge Ryan-STL Lambert-St Louis
4h 50m1 stop Houston George Bush Intcntl
United Airlines Logo
11:00 am - 3:38 pmSTL  Lambert-St Louis-BTR Baton Rouge Ryan
4h 38m1 stop Houston George Bush Intcntl
$354United Airlines
Wed, Oct 21 - Mon, Oct 26
American Airlines Logo
5:26 pm - 11:42 pmBTR  Baton Rouge Ryan-STL Lambert-St Louis
6h 16m1 stop Dallas/Fort Worth
American Airlines Logo
6:32 am - 10:54 amSTL  Lambert-St Louis-BTR Baton Rouge Ryan
4h 22m1 stop Dallas/Fort Worth
$354American Airlines
Wed, Nov 25 - Mon, Nov 30
Delta Logo
7:09 pm - 11:56 pmBTR  Baton Rouge Ryan-STL Lambert-St Louis
4h 47m1 stop Atlanta Hartsfield-Jackson
Delta Logo
6:00 am - 12:58 pmSTL  Lambert-St Louis-BTR Baton Rouge Ryan
6h 58m1 stop Atlanta Hartsfield-Jackson
$357Delta
Fri, Oct 23 - Tue, Oct 27
United Airlines Logo
9:35 am - 2:10 pmBTR  Baton Rouge Ryan-STL Lambert-St Louis
4h 35m1 stop Houston George Bush Intcntl
United Airlines Logo
10:53 am - 7:43 pmSTL  Lambert-St Louis-BTR Baton Rouge Ryan
8h 50m2 stops Chicago O'Hare Intl Houston George Bush Intcntl
$359United Airlines
Tue, Oct 20 - Sat, Oct 24
United Airlines Logo
7:15 am - 3:43 pmBTR  Baton Rouge Ryan-STL Lambert-St Louis
8h 28m2 stops Houston George Bush Intcntl Chicago O'Hare Intl
United Airlines Logo
3:12 pm - 9:16 pmSTL  Lambert-St Louis-BTR Baton Rouge Ryan
6h 04m1 stop Houston George Bush Intcntl
$374United Airlines
Fri, Apr 2 - Mon, Apr 5
Delta Logo
6:00 am - 10:48 amBTR  Baton Rouge Ryan-STL Lambert-St Louis
4h 48m1 stop Atlanta Hartsfield-Jackson
Delta Logo
7:20 am - 12:50 pmSTL  Lambert-St Louis-BTR Baton Rouge Ryan
5h 30m1 stop Atlanta Hartsfield-Jackson
$379Delta
Booking Insights

Price, demand and travel trends for Baton Rouge to St. Louis flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

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

Round-trip flights from Baton Rouge to St. Louis typically range from $338 to $477. The lowest price found in the past 5 days was $337, on American Airlines.

What's the cheapest day of the week to fly from Baton Rouge to St. Louis?

Based on deals KAYAK users found in the last 12 months, Tuesday is the cheapest day of the week to fly from Baton Rouge to St. Louis. It’s 11% cheaper than the average day, while Wednesday is the most expensive, with prices 7% higher.

Key details for Baton Rouge to St. Louis flights

Low season

March

Cheapest flight

$228
Beat the crowds with an average 24% drop in travelers.
The most popular month to fly with an average 52% increase in travelers.
One-way 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

Your Baton Rouge to St. Louis flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from Baton Rouge to St. Louis?

    Only Economy Class is available on flights from Baton Rouge to St. Louis.

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

    A nonstop flight from Baton Rouge to St. Louis takes 00m, covering 569 miles.

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

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

  • How much should I expect to pay for a Baton Rouge to St. Louis flight?

    Round-trip flights from Baton Rouge to St. Louis range from $338 to $477, with an average of $374 over the past 12 months. Anything below $338 counts as a good deal.

  • Have flight prices from Baton Rouge to St. Louis changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $337 to $1,699. That means the highest observed fare was about 5x higher than the lowest one.

  • How are flight prices from Baton Rouge to St. Louis looking right now?

    One-way fares from Baton Rouge to St. Louis are currently lower than usual. Average one-way flight prices are about $258, which is 22% below the typical average for this route.

  • What car rental options are available at Lambert-St Louis Airport (STL)?

    Lambert-St Louis Airport (STL) hosts 5 major car rental companies, with daily rates starting from around $31 for economy cars. Top options include:

    • Hertz
    • Budget
    • Alamo
    • Enterprise Rent-A-Car
    • Payless

  • Which airports can I use when flying from Baton Rouge to St. Louis?

    Flights from Baton Rouge to St. Louis usually depart from Baton Rouge Ryan (BTR) and arrive at Lambert-St Louis (STL).

  • Which airports do connecting flights from Baton Rouge to St. Louis pass through?

    One-stop flights from Baton Rouge to St. Louis most commonly connect through:

    • Atlanta Hartsfield-Jackson (ATL) - 47% of one-stop connections
    • Dallas/Fort Worth (DFW) - 33% of one-stop connections
    • Houston George Bush Intcntl (IAH) - 17% of one-stop connections
    • Charlotte Douglas (CLT) - 3% of one-stop connections

  • Can I save money by using flexible dates for flights from Baton Rouge to St. Louis?

    Yes. Flexible dates can save you up to 17% on flights from Baton Rouge to St. Louis. Tuesday is the cheapest departure day at $336 round-trip on average, while Wednesday is the most expensive at $403, a difference of $67.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How much time can I save by choosing a different layover airport from Baton Rouge to St. Louis?

    Flying via Dallas/Fort Worth (DFW) gives the shortest average 1-stop total travel time at 4h 56m, compared with 5h 01m via Atlanta Hartsfield-Jackson (ATL) and 5h 01m via Houston George Bush Intcntl (IAH).

  • What popular places can I visit in St. Louis?

    Some of the most popular sights in St. Louis are Busch Stadium, Enterprise Center and America's Center Convention Complex. These are among the most viewed places in St. Louis on KAYAK.

Your guide to booking Baton Rouge to St. Louis flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Tuesday departure and avoid flying on Wednesday. On this route, Tuesday flights average $336, about $67 less than Wednesday fares (17% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Baton Rouge to St. Louis trip for January. Fares historically average $308 round-trip in that month - typically $194 less than the most expensive month, which is November (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Lambert-St Louis Airport.

    • Renaissance St. Louis Airport Hotel
    • Drury Inn & Suites St. Louis Airport
    • DoubleTree by Hilton St. Louis Airport

More options for your flight from Baton Rouge to St. Louis

Complete your trip to St. Louis with a hotel stay or car rental