STL - BTR

$315 Find Cheap Flights from St. Louis to Baton Rouge - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$315
Typical prices: $338-$462
American Airlines
Sun 9/23Wed 9/26
STL - BTR • 1 stop
Nonstop flights
There are currently no direct flights between St. Louis and Baton Rouge. You'll need to take a connecting flight to reach the destination.
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When to travel
Cheapest • 20% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $337 (round-trip)
Shortest trip • 4h 48m (one-way)
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Flight Deals

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

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

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

Wed, Sep 23 - Sat, Sep 26
American Airlines Logo
5:43 am - 10:51 amSTL  Lambert-St Louis-BTR Baton Rouge Ryan
5h 08m1 stop Dallas/Fort Worth
American Airlines Logo
6:42 pm - 11:43 pmBTR  Baton Rouge Ryan-STL Lambert-St Louis
5h 01m1 stop Dallas/Fort Worth
$315American Airlines
Thu, Sep 10 - Sat, Sep 12
American Airlines Logo
3:34 pm - 9:36 pmSTL  Lambert-St Louis-BTR Baton Rouge Ryan
6h 02m1 stop Dallas/Fort Worth
American Airlines Logo
6:42 pm - 11:43 pmBTR  Baton Rouge Ryan-STL Lambert-St Louis
5h 01m1 stop Dallas/Fort Worth
$315American Airlines
Sat, Sep 5 - Wed, Sep 9
Delta Logo
3:44 pm - 8:46 pmSTL  Lambert-St Louis-BTR Baton Rouge Ryan
5h 02m1 stop Atlanta Hartsfield-Jackson
Delta Logo
4:00 pm - 7:58 pmBTR  Baton Rouge Ryan-STL Lambert-St Louis
3h 58m1 stop Atlanta Hartsfield-Jackson
$317Delta
Thu, Sep 17 - Thu, Sep 24
Delta Logo
6:00 am - 12:52 pmSTL  Lambert-St Louis-BTR Baton Rouge Ryan
6h 52m1 stop Atlanta Hartsfield-Jackson
Delta Logo
5:45 pm - 11:42 pmBTR  Baton Rouge Ryan-STL Lambert-St Louis
5h 57m1 stop Atlanta Hartsfield-Jackson
$319Delta
Thu, Nov 19 - Sun, Nov 22
United Airlines Logo
6:15 am - 11:21 amSTL  Lambert-St Louis-BTR Baton Rouge Ryan
5h 06m1 stop Houston George Bush Intcntl
United Airlines Logo
5:00 am - 10:02 amBTR  Baton Rouge Ryan-STL Lambert-St Louis
5h 02m1 stop Houston George Bush Intcntl
$319United Airlines
Thu, Sep 10 - Sat, Sep 12
United Airlines Logo
6:15 am - 11:13 amSTL  Lambert-St Louis-BTR Baton Rouge Ryan
4h 58m1 stop Houston George Bush Intcntl
United Airlines Logo
9:35 am - 8:00 pmBTR  Baton Rouge Ryan-STL Lambert-St Louis
10h 25m2 stops Houston George Bush Intcntl Chicago O'Hare Intl
$320United Airlines
Thu, Sep 10 - Sat, Sep 12
United Airlines Logo
8:30 am - 5:33 pmSTL  Lambert-St Louis-BTR Baton Rouge Ryan
9h 03m2 stops Chicago O'Hare Intl Houston George Bush Intcntl
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
$325United Airlines
Tue, Sep 1 - Wed, Sep 9
Delta Logo
3:39 pm - 10:01 pmSTL  Lambert-St Louis-BTR Baton Rouge Ryan
6h 22m1 stop Atlanta Hartsfield-Jackson
Delta Logo
4:00 pm - 7:58 pmBTR  Baton Rouge Ryan-STL Lambert-St Louis
3h 58m1 stop Atlanta Hartsfield-Jackson
$334Delta
Tue, Sep 1 - Sat, Sep 5
American Airlines Logo
12:45 pm - 5:43 pmSTL  Lambert-St Louis-BTR Baton Rouge Ryan
4h 58m1 stop Dallas/Fort Worth
American Airlines Logo
11:14 am - 4:14 pmBTR  Baton Rouge Ryan-STL Lambert-St Louis
5h 00m1 stop Dallas/Fort Worth
$349American Airlines
Wed, Sep 23 - Sat, Sep 26
American Airlines Logo
7:00 am - 1:55 pmSTL  Lambert-St Louis-BTR Baton Rouge Ryan
6h 55m1 stop Dallas/Fort Worth
American Airlines Logo
5:56 am - 1:16 pmBTR  Baton Rouge Ryan-STL Lambert-St Louis
7h 20m2 stops Dallas/Fort Worth Chicago O'Hare Intl
$382American Airlines
Booking Insights

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

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

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

Round-trip flights from St. Louis to Baton Rouge start at $315. Prices are below average for this route right now, with typical round-trip fares ranging from $338 to $462. The lowest price found in the past 5 days was $315 on American Airlines.

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

  • August is the cheapest month to fly from St. Louis to Baton Rouge at $288 round-trip.
  • December ($817) and May ($474) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 183% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

Key details for St. Louis to Baton Rouge flights

Low season

September

Cheapest flight

$315
Best time to beat the crowds with an average 15% drop in price.
Most popular time to fly with an average 23% increase in price.
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

Your St. Louis to Baton Rouge flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

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

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

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

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

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

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

    • Dallas/Fort Worth (DFW) - 47% of one-stop connections
    • Atlanta Hartsfield-Jackson (ATL) - 34% of one-stop connections
    • Houston George Bush Intcntl (IAH) - 18% of one-stop connections

    Dallas/Fort Worth (DFW) handles the largest share of one-stop connections on this route.

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

    On the St. Louis to Baton Rouge route, being flexible with your departure day can save you up to 58%. Saturday is the cheapest day at $288 round-trip on average, while Friday is the most expensive at $678: a $390 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

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

    A nonstop flight from St. Louis to Baton Rouge takes 0h 00m, covering 569 miles.

  • What are the earliest and latest flights from St. Louis to Baton Rouge?

    These are the earliest and latest flight times available from St. Louis to Baton Rouge:

    • Earliest: departs at 12:00 am and lands at 12:00 am
    • Latest: departs at 12:00 am and lands at 12:00 am.

    The flight takes about 0h 00m.

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

    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.

  • Have flight prices from St. Louis to Baton Rouge 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 $315 to $2,396. That means the highest observed fare was about 8x higher than the lowest one.

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

    Flying via Houston George Bush Intcntl (IAH) gives the shortest average 1-stop total travel time at 4h 47m, compared with 4h 48m via Atlanta Hartsfield-Jackson (ATL) and 5h 02m via Dallas/Fort Worth (DFW).

  • What car rental options are available at Baton Rouge Ryan Airport (BTR)?

    Baton Rouge Ryan Airport (BTR) hosts 5 major car rental companies, with daily rates starting from around $30 for economy cars. Top options include:
    · Budget
    · Hertz
    · Dollar
    · Enterprise Rent-A-Car
    · Avis

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

    Round-trip flights from St. Louis to Baton Rouge range from $338 to $462, with an average of $360 over the past 12 months. Anything below $338 counts as a good deal.

Your guide to booking St. Louis to Baton Rouge flights

Get tips on when to book, when to fly and what to know before your trip.

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

Information on your arrival and departure airports