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Cheap flights from Illinois to Baton Rouge from $208

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Baton Rouge departing on 3/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Illinois to Baton Rouge

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
12:47 pm - 6:22 pm
MDW
-
BTR
5h 35m
1 stop
Delta Logo
10:26 am - 5:22 pm
BTR
-
MDW
6h 56m
1 stop
$269Delta
Wed, Mar 11 - Tue, Mar 31
Delta Logo
2:46 pm - 10:01 pm
ORD
-
BTR
7h 15m
1 stop
Delta Logo
5:00 pm - 11:56 pm
BTR
-
ORD
6h 56m
1 stop
$269Delta
Wed, Mar 4 - Sat, Mar 7
American Airlines Logo
7:05 am - 12:51 pm
STL
-
BTR
5h 46m
1 stop
American Airlines Logo
4:27 pm - 11:22 pm
BTR
-
STL
6h 55m
1 stop
$269American Airlines
Tue, Feb 24 - Tue, Mar 3
American Airlines Logo
11:46 am - 5:46 pm
STL
-
BTR
6h 00m
1 stop
American Airlines Logo
4:27 pm - 11:48 pm
BTR
-
STL
7h 21m
2 stops
$274American Airlines
Tue, Feb 24 - Tue, Mar 3
Delta Logo
12:45 pm - 6:14 pm
MDW
-
BTR
5h 29m
1 stop
Delta Logo
5:00 pm - 10:31 pm
BTR
-
MDW
5h 31m
1 stop
$279Delta
Fri, Feb 20 - Sat, Feb 21
American Airlines Logo
5:00 am - 9:54 am
ORD
-
BTR
4h 54m
1 stop
American Airlines Logo
4:27 pm - 9:25 pm
BTR
-
ORD
4h 58m
1 stop
$279American Airlines
Fri, Feb 20 - Sat, Feb 21
United Airlines Logo
6:30 am - 11:13 am
ORD
-
BTR
4h 43m
1 stop
United Airlines Logo
5:00 am - 10:20 am
BTR
-
ORD
5h 20m
1 stop
$288United Airlines
Fri, Jun 12 - Sun, Jun 14
Delta Logo
6:45 am - 12:56 pm
ORD
-
BTR
6h 11m
1 stop
Delta Logo
1:36 pm - 6:53 pm
BTR
-
ORD
5h 17m
1 stop
$294Delta
Thu, Mar 5 - Tue, Mar 10
United Airlines Logo
6:00 am - 1:25 pm
STL
-
BTR
7h 25m
1 stop
United Airlines Logo
5:00 am - 9:25 am
BTR
-
STL
4h 25m
1 stop
$333United Airlines
Tue, Apr 21 - Sun, Apr 26
United Airlines Logo
6:30 am - 3:32 pm
STL
-
BTR
9h 02m
2 stops
United Airlines Logo
5:00 am - 9:25 am
BTR
-
STL
4h 25m
1 stop
$338United Airlines
Tue, Apr 21 - Sun, Apr 26

Delta flights from Illinois to Baton Rouge

Our best Delta deals on Illinois to Baton Rouge flight tickets
Delta
Mar 11
MDW12:47 pmChicago Midway
5h 35m
1 stop
BTR6:22 pmBaton Rouge Ryan
Mar 31
BTR10:26 amBaton Rouge Ryan
6h 56m
1 stop
MDW5:22 pmChicago Midway
$269
Delta
Feb 20
MDW12:45 pmChicago Midway
5h 29m
1 stop
BTR6:14 pmBaton Rouge Ryan
Feb 21
BTR5:00 pmBaton Rouge Ryan
5h 31m
1 stop
MDW10:31 pmChicago Midway
$279
Delta
Mar 5
ORD6:45 amChicago O'Hare Intl
6h 11m
1 stop
BTR12:56 pmBaton Rouge Ryan
Mar 10
BTR1:36 pmBaton Rouge Ryan
5h 17m
1 stop
ORD6:53 pmChicago O'Hare Intl
$294

American Airlines flights from Illinois to Baton Rouge

Our best American Airlines deals on Illinois to Baton Rouge flight tickets
American Airlines
Feb 24
STL7:05 amLambert-St Louis
5h 46m
1 stop
BTR12:51 pmBaton Rouge Ryan
Mar 3
BTR4:27 pmBaton Rouge Ryan
6h 55m
1 stop
STL11:22 pmLambert-St Louis
$269
American Airlines
Feb 24
STL11:46 amLambert-St Louis
6h 00m
1 stop
BTR5:46 pmBaton Rouge Ryan
Mar 3
BTR4:27 pmBaton Rouge Ryan
7h 21m
2 stops
STL11:48 pmLambert-St Louis
$274
American Airlines
Feb 20
ORD5:00 amChicago O'Hare Intl
4h 54m
1 stop
BTR9:54 amBaton Rouge Ryan
Feb 21
BTR4:27 pmBaton Rouge Ryan
4h 58m
1 stop
ORD9:25 pmChicago O'Hare Intl
$279

momondo Fare Finder

 
Customize your flight search to find flights from Illinois 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, momondo users made 832,500 searches. Data last updated February 3, 2026.
Use the filters below to find and compare flights from Illinois to Baton Rouge that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoBaton Rouge

MDW - BTR

MDWBTR

Chicago Midway

Wed 3/11

12:47 pm-6:22 pm

1 stop5h 35m

Baton Rouge Ryan

Tue 3/31

10:26 am-5:22 pm

1 stop6h 56m

$269

ChicagoBaton Rouge

ORD - BTR

ORDBTR

Chicago O'Hare Intl

Wed 3/4

2:46 pm-10:01 pm

1 stop7h 15m

Baton Rouge Ryan

Sat 3/7

5:00 pm-11:56 pm

1 stop6h 56m

$269

St. LouisBaton Rouge

STL - BTR

STLBTR

Lambert-St Louis

Tue 2/24

7:05 am-12:51 pm

1 stop5h 46m

Baton Rouge Ryan

Tue 3/3

4:27 pm-11:22 pm

1 stop6h 55m

$269

St. LouisBaton Rouge

STL - BTR

STLBTR

Lambert-St Louis

Tue 2/24

11:46 am-5:46 pm

1 stop6h 00m

Baton Rouge Ryan

Tue 3/3

4:27 pm-11:48 pm

2 stops7h 21m

$274

ChicagoBaton Rouge

MDW - BTR

MDWBTR

Chicago Midway

Fri 2/20

12:45 pm-6:14 pm

1 stop5h 29m

Baton Rouge Ryan

Sat 2/21

5:00 pm-10:31 pm

1 stop5h 31m

$279

ChicagoBaton Rouge

ORD - BTR

ORDBTR

Chicago O'Hare Intl

Fri 2/20

5:00 am-9:54 am

1 stop4h 54m

Baton Rouge Ryan

Sat 2/21

4:27 pm-9:25 pm

1 stop4h 58m

$279

ChicagoBaton Rouge

ORD - BTR

ORDBTR

Chicago O'Hare Intl

Fri 6/12

6:30 am-11:13 am

1 stop4h 43m

Baton Rouge Ryan

Sun 6/14

5:00 am-10:20 am

1 stop5h 20m

$288

ChicagoBaton Rouge

ORD - BTR

ORDBTR

Chicago O'Hare Intl

Thu 3/5

6:45 am-12:56 pm

1 stop6h 11m

Baton Rouge Ryan

Tue 3/10

1:36 pm-6:53 pm

1 stop5h 17m

$294

St. LouisBaton Rouge

STL - BTR

STLBTR

Lambert-St Louis

Tue 4/21

6:00 am-1:25 pm

1 stop7h 25m

Baton Rouge Ryan

Sun 4/26

5:00 am-9:25 am

1 stop4h 25m

$333

St. LouisBaton Rouge

STL - BTR

STLBTR

Lambert-St Louis

Tue 4/21

6:30 am-3:32 pm

2 stops9h 02m

Baton Rouge Ryan

Sun 4/26

5:00 am-9:25 am

1 stop4h 25m

$338

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Baton Rouge from

How to get the cheapest flight ticket from Illinois to Baton Rouge

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Baton Rouge?

In general, August is the cheapest month to fly from Illinois to Baton Rouge. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $283. If you’re not able to fly to Baton Rouge in August, then April is your next best option. Flight prices from Illinois to Baton Rouge during April average around $293.

Can stopping save me money on Illinois to Baton Rouge flights?

You could potentially save up to 46% on your flight if you consider stops on a Illinois to Baton Rouge flight.

Cheap Illinois to Baton Rouge flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to Baton Rouge

Fastest flight time

4h 02m

Direct flights

None
The fastest flight from Illinois to Baton Rouge takes 4h 02m
There are no direct flights from Illinois to Baton Rouge. There are no popular flight routes from Illinois to Baton Rouge.
Search flight deals

  • When did momondo last update prices for flights from Illinois to Baton Rouge Ryan Airport?

    Prices for flights from Illinois to Baton Rouge Ryan Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Illinois to Baton Rouge Ryan Airport?

  • How old do you have to be to fly from Illinois to Baton Rouge Ryan Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Illinois to Baton Rouge Ryan Airport.

  • What documentation or ID do you need to fly to Baton Rouge Ryan Airport?

    The travel and health documents you'll need for your trip to Baton Rouge Ryan Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Baton Rouge Ryan Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Illinois to Baton Rouge

Compare and see reviews for airlines that fly from Illinois to Baton Rouge with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $228Free CancellationRating
7.9
8,132 reviews
Search Delta flights
United AirlinesPriceFrom $248Free CancellationRating
7.4
9,229 reviews
Search United Airlines flights
American AirlinesPriceFrom $269Free CancellationRating
7.2
11,212 reviews
Search American Airlines flights

Traveling to a place near Baton Rouge?

Book flights to Baton Rouge if you plan to visit one of these locations
Denham Springs
McComb
Port Allen
Saint Francisville

Why use momondo?

Why should I use momondo to find a flight deal from Illinois to Baton Rouge?

Finding the right flight to Baton Rouge from Illinois is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Baton Rouge quick and easy, saving you time and money.

Can I find flights from Illinois to Baton Rouge with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Illinois to Baton Rouge flights to just show those with flexible booking policies.

How can momondo help me find flights from Illinois to Baton Rouge?

momondo provides multiple filters to help you find the best flight to Baton Rouge from Illinois. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Illinois to Baton Rouge right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Illinois to Baton Rouge flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Baton Rouge trip

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