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Cheap flights from Illinois to Baton Rouge from $191

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 7/15. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Illinois to Baton Rouge

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
5:59 am - 1:48 pm
ORD
-
BTR
7h 49m
1 stop
American Airlines Logo
6:16 pm - 12:50 am
BTR
-
ORD
6h 34m
1 stop
$243American Airlines
Tue, Jun 30 - Fri, Jul 3
American Airlines Logo
1:25 pm - 7:01 pm
ORD
-
BTR
5h 36m
1 stop
American Airlines Logo
7:36 pm - 12:50 am
BTR
-
ORD
5h 14m
1 stop
$277American Airlines
Fri, Jul 3 - Mon, Jul 6
Delta Logo
6:35 am - 12:47 pm
ORD
-
BTR
6h 12m
1 stop
Delta Logo
10:27 am - 5:04 pm
BTR
-
ORD
6h 37m
1 stop
$291Delta
Fri, Jul 3 - Mon, Jul 6
Delta Logo
6:00 am - 12:47 pm
MDW
-
BTR
6h 47m
1 stop
Delta Logo
4:00 pm - 10:15 pm
BTR
-
MDW
6h 15m
1 stop
$303Delta
Wed, Jul 15 - Wed, Jul 22
Delta Logo
5:30 am - 9:39 am
ORD
-
BTR
4h 09m
1 stop
Delta Logo
1:27 pm - 8:55 pm
BTR
-
ORD
7h 28m
1 stop
$303Delta
Wed, Jul 29 - Tue, Aug 4
Delta Logo
5:10 pm - 9:56 pm
MDW
-
BTR
4h 46m
1 stop
Delta Logo
4:00 pm - 10:15 pm
BTR
-
MDW
6h 15m
1 stop
$306Delta
Tue, Jul 14 - Tue, Jul 21
American Airlines Logo
5:32 am - 10:58 am
STL
-
BTR
5h 26m
1 stop
American Airlines Logo
6:16 pm - 11:58 pm
BTR
-
STL
5h 42m
1 stop
$309American Airlines
Thu, Jul 9 - Mon, Jul 13
United Airlines Logo
6:29 am - 11:20 am
ORD
-
BTR
4h 51m
1 stop
United Airlines Logo
2:05 pm - 9:40 pm
BTR
-
ORD
7h 35m
1 stop
$330United Airlines
Wed, Jul 15 - Sat, Jul 18
United Airlines Logo
3:13 pm - 9:28 pm
STL
-
BTR
6h 15m
1 stop
United Airlines Logo
12:00 pm - 6:04 pm
BTR
-
STL
6h 04m
1 stop
$385United Airlines
Sat, Aug 22 - Tue, Aug 25
United Airlines Logo
3:12 pm - 9:16 pm
STL
-
BTR
6h 04m
1 stop
United Airlines Logo
4:07 pm - 10:30 pm
BTR
-
STL
6h 23m
1 stop
$389United Airlines
Thu, Sep 24 - Mon, Sep 28

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Delta flights from Illinois to Baton Rouge

Our best Delta deals on Illinois to Baton Rouge flight tickets
Delta
Jul 3
ORD6:35 amChicago O'Hare Intl
6h 12m
1 stop
BTR12:47 pmBaton Rouge Ryan
Jul 6
BTR10:27 amBaton Rouge Ryan
6h 37m
1 stop
ORD5:04 pmChicago O'Hare Intl
$291
Delta
Jul 15
MDW6:00 amChicago Midway
6h 47m
1 stop
BTR12:47 pmBaton Rouge Ryan
Jul 22
BTR4:00 pmBaton Rouge Ryan
6h 15m
1 stop
MDW10:15 pmChicago Midway
$303
Delta
Jul 14
MDW5:10 pmChicago Midway
4h 46m
1 stop
BTR9:56 pmBaton Rouge Ryan
Jul 21
BTR4:00 pmBaton Rouge Ryan
6h 15m
1 stop
MDW10:15 pmChicago Midway
$306

American Airlines flights from Illinois to Baton Rouge

Our best American Airlines deals on Illinois to Baton Rouge flight tickets
American Airlines
Jun 30
ORD5:59 amChicago O'Hare Intl
7h 49m
1 stop
BTR1:48 pmBaton Rouge Ryan
Jul 3
BTR6:16 pmBaton Rouge Ryan
6h 34m
1 stop
ORD12:50 amChicago O'Hare Intl
$243
American Airlines
Jul 3
ORD1:25 pmChicago O'Hare Intl
5h 36m
1 stop
BTR7:01 pmBaton Rouge Ryan
Jul 6
BTR7:36 pmBaton Rouge Ryan
5h 14m
1 stop
ORD12:50 amChicago O'Hare Intl
$277
American Airlines
Jul 9
STL5:32 amLambert-St Louis
5h 26m
1 stop
BTR10:58 amBaton Rouge Ryan
Jul 13
BTR6:16 pmBaton Rouge Ryan
5h 42m
1 stop
STL11:58 pmLambert-St Louis
$309

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 June 20, 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

Cheapest round-trip

ChicagoBaton Rouge

ORD - BTR

ORDBTR

Chicago O'Hare Intl

Tue 6/30

5:59 am-1:48 pm

1 stop7h 49m

Baton Rouge Ryan

Fri 7/3

6:16 pm-12:50 am

1 stop6h 34m

$243
Quickest round-trip

ChicagoBaton Rouge

ORD - BTR

ORDBTR

Chicago O'Hare Intl

Fri 7/3

1:25 pm-7:01 pm

1 stop5h 36m

Baton Rouge Ryan

Mon 7/6

7:36 pm-12:50 am

1 stop5h 14m

$277

ChicagoBaton Rouge

ORD - BTR

ORDBTR

Chicago O'Hare Intl

Fri 7/3

6:35 am-12:47 pm

1 stop6h 12m

Baton Rouge Ryan

Mon 7/6

10:27 am-5:04 pm

1 stop6h 37m

$291

ChicagoBaton Rouge

MDW - BTR

MDWBTR

Chicago Midway

Wed 7/15

6:00 am-12:47 pm

1 stop6h 47m

Baton Rouge Ryan

Wed 7/22

4:00 pm-10:15 pm

1 stop6h 15m

$303

ChicagoBaton Rouge

ORD - BTR

ORDBTR

Chicago O'Hare Intl

Wed 7/29

5:30 am-9:39 am

1 stop4h 09m

Baton Rouge Ryan

Tue 8/4

1:27 pm-8:55 pm

1 stop7h 28m

$303

ChicagoBaton Rouge

MDW - BTR

MDWBTR

Chicago Midway

Tue 7/14

5:10 pm-9:56 pm

1 stop4h 46m

Baton Rouge Ryan

Tue 7/21

4:00 pm-10:15 pm

1 stop6h 15m

$306

St. LouisBaton Rouge

STL - BTR

STLBTR

Lambert-St Louis

Thu 7/9

5:32 am-10:58 am

1 stop5h 26m

Baton Rouge Ryan

Mon 7/13

6:16 pm-11:58 pm

1 stop5h 42m

$309

ChicagoBaton Rouge

ORD - BTR

ORDBTR

Chicago O'Hare Intl

Wed 7/15

6:29 am-11:20 am

1 stop4h 51m

Baton Rouge Ryan

Sat 7/18

2:05 pm-9:40 pm

1 stop7h 35m

$330

St. LouisBaton Rouge

STL - BTR

STLBTR

Lambert-St Louis

Sat 8/22

3:13 pm-9:28 pm

1 stop6h 15m

Baton Rouge Ryan

Tue 8/25

12:00 pm-6:04 pm

1 stop6h 04m

$385

St. LouisBaton Rouge

STL - BTR

STLBTR

Lambert-St Louis

Thu 9/24

3:12 pm-9:16 pm

1 stop6h 04m

Baton Rouge Ryan

Mon 9/28

4:07 pm-10:30 pm

1 stop6h 23m

$389

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, May 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 $209. If you’re not able to fly to Baton Rouge in May, then November is your next best option. Flight prices from Illinois to Baton Rouge during November average around $248.

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

You could potentially save up to 43% 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 25m

Direct flights

None
The fastest flight from Illinois to Baton Rouge takes 4h 25m
There are no direct flights from Illinois to Baton Rouge. There are no popular flight routes from Illinois to Baton Rouge.
Search flight deals

Frequently asked questions about flying from Illinois to Baton Rouge

  • 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 $253Free CancellationRating
7.8
8,420 reviews
Search Delta flights
United AirlinesPriceFrom $269Free CancellationRating
7.4
9,865 reviews
Search United Airlines flights
American AirlinesPriceFrom $273Free CancellationRating
7.1
11,715 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
Port Allen
McComb
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.

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