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Cheap flights from Illinois to Baton Rouge from $159

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 9/20. 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
11:05 am - 6:20 pm
MDW
-
BTR
7h 15m
1 stop
Delta Logo
4:07 pm - 10:17 pm
BTR
-
MDW
6h 10m
1 stop
$303Delta
Wed, Jun 17 - Sat, Jun 20
United Airlines Logo
6:30 am - 11:20 am
ORD
-
BTR
4h 50m
1 stop
United Airlines Logo
4:09 pm - 9:36 pm
BTR
-
ORD
5h 27m
1 stop
$303United Airlines
Wed, Jun 17 - Sat, Jun 20
American Airlines Logo
3:50 pm - 10:59 pm
ORD
-
BTR
7h 09m
1 stop
American Airlines Logo
7:36 pm - 12:44 am
BTR
-
ORD
5h 08m
1 stop
$306American Airlines
Thu, May 28 - Thu, Jun 4
Delta Logo
4:25 pm - 9:55 pm
MDW
-
BTR
5h 30m
1 stop
Delta Logo
4:00 pm - 10:15 pm
BTR
-
MDW
6h 15m
1 stop
$306Delta
Thu, Jul 2 - Tue, Jul 7
Delta Logo
10:45 am - 3:10 pm
MDW
-
BTR
4h 25m
1 stop
Delta Logo
1:37 pm - 9:09 pm
BTR
-
MDW
7h 32m
1 stop
$309Delta
Sat, May 23 - Tue, May 26
Delta Logo
6:35 am - 12:47 pm
ORD
-
BTR
6h 12m
1 stop
Delta Logo
1:32 pm - 6:42 pm
BTR
-
ORD
5h 10m
1 stop
$309Delta
Fri, Jun 26 - Sun, Jun 28
Delta Logo
12:41 pm - 6:19 pm
MDW
-
BTR
5h 38m
1 stop
Delta Logo
4:00 pm - 10:15 pm
BTR
-
MDW
6h 15m
1 stop
$317Delta
Wed, Jul 29 - Tue, Aug 4
American Airlines Logo
1:19 pm - 9:42 pm
ORD
-
BTR
8h 23m
1 stop
American Airlines Logo
6:28 pm - 11:59 pm
BTR
-
ORD
5h 31m
1 stop
$319American Airlines
Fri, May 22 - Sun, May 24
United Airlines Logo
6:00 am - 11:16 am
STL
-
BTR
5h 16m
1 stop
United Airlines Logo
6:09 pm - 10:45 pm
BTR
-
STL
4h 36m
1 stop
$325United Airlines
Wed, May 20 - Fri, May 22
American Airlines Logo
1:19 pm - 9:42 pm
ORD
-
BTR
8h 23m
1 stop
American Airlines Logo
6:28 pm - 11:59 pm
BTR
-
ORD
5h 31m
1 stop
$369American Airlines
Fri, May 22 - Tue, May 26

United Airlines flights from Illinois to Baton Rouge

Our best United Airlines deals on Illinois to Baton Rouge flight tickets
United Airlines
Jun 17
ORD6:30 amChicago O'Hare Intl
4h 50m
1 stop
BTR11:20 amBaton Rouge Ryan
Jun 20
BTR4:09 pmBaton Rouge Ryan
5h 27m
1 stop
ORD9:36 pmChicago O'Hare Intl
$303
United Airlines
May 20
STL6:00 amLambert-St Louis
5h 16m
1 stop
BTR11:16 amBaton Rouge Ryan
May 22
BTR6:09 pmBaton Rouge Ryan
4h 36m
1 stop
STL10:45 pmLambert-St Louis
$325
United Airlines
Oct 1
ORD6:30 amChicago O'Hare Intl
4h 41m
1 stop
BTR11:11 amBaton Rouge Ryan
Oct 6
BTR5:00 amBaton Rouge Ryan
5h 07m
1 stop
ORD10:07 amChicago O'Hare Intl
$333

American Airlines flights from Illinois to Baton Rouge

Our best American Airlines deals on Illinois to Baton Rouge flight tickets
American Airlines
May 28
ORD3:50 pmChicago O'Hare Intl
7h 09m
1 stop
BTR10:59 pmBaton Rouge Ryan
Jun 4
BTR7:36 pmBaton Rouge Ryan
5h 08m
1 stop
ORD12:44 amChicago O'Hare Intl
$306
American Airlines
May 22
ORD1:19 pmChicago O'Hare Intl
8h 23m
1 stop
BTR9:42 pmBaton Rouge Ryan
May 24
BTR6:28 pmBaton Rouge Ryan
5h 31m
1 stop
ORD11:59 pmChicago O'Hare Intl
$319
American Airlines
May 22
ORD1:19 pmChicago O'Hare Intl
8h 23m
1 stop
BTR9:42 pmBaton Rouge Ryan
May 26
BTR6:28 pmBaton Rouge Ryan
5h 31m
1 stop
ORD11:59 pmChicago O'Hare Intl
$369

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 May 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

Cheapest round-trip

ChicagoBaton Rouge

MDW - BTR

MDWBTR

Chicago Midway

Wed 6/17

11:05 am-6:20 pm

1 stop7h 15m

Baton Rouge Ryan

Sat 6/20

4:07 pm-10:17 pm

1 stop6h 10m

$303

ChicagoBaton Rouge

ORD - BTR

ORDBTR

Chicago O'Hare Intl

Wed 6/17

6:30 am-11:20 am

1 stop4h 50m

Baton Rouge Ryan

Sat 6/20

4:09 pm-9:36 pm

1 stop5h 27m

$303

ChicagoBaton Rouge

ORD - BTR

ORDBTR

Chicago O'Hare Intl

Thu 5/28

3:50 pm-10:59 pm

1 stop7h 09m

Baton Rouge Ryan

Thu 6/4

7:36 pm-12:44 am

1 stop5h 08m

$306

ChicagoBaton Rouge

MDW - BTR

MDWBTR

Chicago Midway

Thu 7/2

4:25 pm-9:55 pm

1 stop5h 30m

Baton Rouge Ryan

Tue 7/7

4:00 pm-10:15 pm

1 stop6h 15m

$306

ChicagoBaton Rouge

MDW - BTR

MDWBTR

Chicago Midway

Sat 5/23

10:45 am-3:10 pm

1 stop4h 25m

Baton Rouge Ryan

Tue 5/26

1:37 pm-9:09 pm

1 stop7h 32m

$309

ChicagoBaton Rouge

ORD - BTR

ORDBTR

Chicago O'Hare Intl

Fri 6/26

6:35 am-12:47 pm

1 stop6h 12m

Baton Rouge Ryan

Sun 6/28

1:32 pm-6:42 pm

1 stop5h 10m

$309

ChicagoBaton Rouge

MDW - BTR

MDWBTR

Chicago Midway

Wed 7/29

12:41 pm-6:19 pm

1 stop5h 38m

Baton Rouge Ryan

Tue 8/4

4:00 pm-10:15 pm

1 stop6h 15m

$317

ChicagoBaton Rouge

ORD - BTR

ORDBTR

Chicago O'Hare Intl

Fri 5/22

1:19 pm-9:42 pm

1 stop8h 23m

Baton Rouge Ryan

Sun 5/24

6:28 pm-11:59 pm

1 stop5h 31m

$319
Quickest round-trip

St. LouisBaton Rouge

STL - BTR

STLBTR

Lambert-St Louis

Wed 5/20

6:00 am-11:16 am

1 stop5h 16m

Baton Rouge Ryan

Fri 5/22

6:09 pm-10:45 pm

1 stop4h 36m

$325

ChicagoBaton Rouge

ORD - BTR

ORDBTR

Chicago O'Hare Intl

Fri 5/22

1:19 pm-9:42 pm

1 stop8h 23m

Baton Rouge Ryan

Tue 5/26

6:28 pm-11:59 pm

1 stop5h 31m

$369

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 $198. If you’re not able to fly to Baton Rouge in May, then April is your next best option. Flight prices from Illinois to Baton Rouge during April average around $228.

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

You could potentially save up to 57% 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 12m

Direct flights

None
The fastest flight from Illinois to Baton Rouge takes 4h 12m
There are no direct flights from Illinois to Baton Rouge. There are no popular flight routes from Illinois to Baton Rouge.
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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
United AirlinesPriceFrom $248Free CancellationRating
7.4
9,681 reviews
Search United Airlines flights
American AirlinesPriceFrom $253Free CancellationRating
7.1
11,672 reviews
Search American Airlines flights
DeltaPriceFrom $253Free CancellationRating
7.9
8,460 reviews
Search Delta 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.

An easier way to manage your Baton Rouge trip

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