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Cheap flights from Illinois to Baton Rouge from $186

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 10/18. 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

Delta Logo
7:10 am - 12:54 pmORD-BTR
5h 44m1 stop
Delta Logo
1:40 pm - 7:29 pmBTR-ORD
5h 49m1 stop
$199Delta
Find Deal
mié., feb. 18 - sáb., feb. 21
Delta Logo
7:30 am - 12:54 pmSTL-BTR
5h 24m1 stop
Delta Logo
1:40 pm - 7:14 pmBTR-STL
5h 34m1 stop
$217Delta
Find Deal
mié., feb. 18 - sáb., feb. 21
American Airlines Logo
5:20 am - 11:39 amORD-BTR
6h 19m1 stop
American Airlines Logo
5:27 pm - 11:40 pmBTR-ORD
6h 13m1 stop
$223American Airlines
Find Deal
vie., oct. 31 - jue., nov. 6
American Airlines Logo
2:32 pm - 9:46 pmSTL-BTR
7h 14m1 stop
American Airlines Logo
6:07 pm - 10:24 pmBTR-STL
4h 17m1 stop
$224American Airlines
Find Deal
jue., feb. 19 - lun., feb. 23
Delta Logo
5:50 am - 12:54 pmORD-BTR
7h 04m1 stop
Delta Logo
6:00 am - 1:23 pmBTR-ORD
7h 23m1 stop
$224Delta
Find Deal
sáb., ene. 17 - dom., ene. 18
Delta Logo
5:50 am - 12:54 pmORD-BTR
7h 04m1 stop
Delta Logo
1:40 pm - 7:29 pmBTR-ORD
5h 49m1 stop
$237Delta
Find Deal
mié., feb. 18 - sáb., feb. 21
United Airlines Logo
3:53 pm - 9:32 pmORD-BTR
5h 39m1 stop
United Airlines Logo
5:15 pm - 12:28 amBTR-ORD
7h 13m1 stop
$245United Airlines
Find Deal
sáb., ene. 17 - lun., ene. 19
Delta Logo
6:00 am - 12:26 pmMDW-BTR
6h 26m1 stop
Delta Logo
10:34 am - 3:43 pmBTR-MDW
5h 09m1 stop
$249Delta
Find Deal
sáb., nov. 8 - sáb., nov. 15
United Airlines Logo
7:35 am - 1:17 pmORD-BTR
5h 42m1 stop
United Airlines Logo
5:15 pm - 12:28 amBTR-ORD
7h 13m1 stop
$331United Airlines
Find Deal
sáb., ene. 17 - lun., ene. 19
Multiple Airlines Logo
6:20 am - 3:21 pmMDW-BTR
9h 01m2 stops
Multiple Airlines Logo
5:07 am - 6:39 pmBTR-MDW
13h 32m2 stops
$562Multiple Airlines
Find Deal
vie., oct. 31 - jue., nov. 6

Delta flights from Illinois to Baton Rouge

Our best Delta deals on Illinois to Baton Rouge flight tickets
Delta
Feb 18
ORD7:10 amChicago O'Hare Intl
5h 44m
1 stop
BTR12:54 pmBaton Rouge Ryan
Feb 21
BTR1:40 pmBaton Rouge Ryan
5h 49m
1 stop
ORD7:29 pmChicago O'Hare Intl
$199
Find similar
Delta
Feb 18
STL7:30 amLambert-St Louis
5h 24m
1 stop
BTR12:54 pmBaton Rouge Ryan
Feb 21
BTR1:40 pmBaton Rouge Ryan
5h 34m
1 stop
STL7:14 pmLambert-St Louis
$217
Find similar
Delta
Jan 17
ORD5:50 amChicago O'Hare Intl
7h 04m
1 stop
BTR12:54 pmBaton Rouge Ryan
Jan 18
BTR6:00 amBaton Rouge Ryan
7h 23m
1 stop
ORD1:23 pmChicago O'Hare Intl
$224
Find similar

United Airlines flights from Illinois to Baton Rouge

Our best United Airlines deals on Illinois to Baton Rouge flight tickets
United Airlines
Jan 17
ORD3:53 pmChicago O'Hare Intl
5h 39m
1 stop
BTR9:32 pmBaton Rouge Ryan
Jan 19
BTR5:15 pmBaton Rouge Ryan
7h 13m
1 stop
ORD12:28 amChicago O'Hare Intl
$245
Find similar
United Airlines
Jan 17
ORD7:35 amChicago O'Hare Intl
5h 42m
1 stop
BTR1:17 pmBaton Rouge Ryan
Jan 19
BTR5:15 pmBaton Rouge Ryan
7h 13m
1 stop
ORD12:28 amChicago O'Hare Intl
$331
Find similar
United Airlines
Sep 26
ORD6:00 amChicago O'Hare Intl
7h 10m
1 stop
BTR1:10 pmBaton Rouge Ryan
Sep 28
BTR5:00 amBaton Rouge Ryan
6h 05m
1 stop
ORD11:05 amChicago O'Hare Intl
$339
Find similar

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 septiembre 24, 2025.
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

ORD - BTR

ORDBTR

Chicago O'Hare Intl

mié. 2/18

7:10 am-12:54 pm

1 stop5h 44m

Baton Rouge Ryan

sáb. 2/21

1:40 pm-7:29 pm

1 stop5h 49m

$199

St. LouisBaton Rouge

STL - BTR

STLBTR

Lambert-St Louis

mié. 2/18

7:30 am-12:54 pm

1 stop5h 24m

Baton Rouge Ryan

sáb. 2/21

1:40 pm-7:14 pm

1 stop5h 34m

$217

ChicagoBaton Rouge

ORD - BTR

ORDBTR

Chicago O'Hare Intl

vie. 10/31

5:20 am-11:39 am

1 stop6h 19m

Baton Rouge Ryan

jue. 11/6

5:27 pm-11:40 pm

1 stop6h 13m

$223

St. LouisBaton Rouge

STL - BTR

STLBTR

Lambert-St Louis

jue. 2/19

2:32 pm-9:46 pm

1 stop7h 14m

Baton Rouge Ryan

lun. 2/23

6:07 pm-10:24 pm

1 stop4h 17m

$224

ChicagoBaton Rouge

ORD - BTR

ORDBTR

Chicago O'Hare Intl

sáb. 1/17

5:50 am-12:54 pm

1 stop7h 04m

Baton Rouge Ryan

dom. 1/18

6:00 am-1:23 pm

1 stop7h 23m

$224

ChicagoBaton Rouge

ORD - BTR

ORDBTR

Chicago O'Hare Intl

mié. 2/18

5:50 am-12:54 pm

1 stop7h 04m

Baton Rouge Ryan

sáb. 2/21

1:40 pm-7:29 pm

1 stop5h 49m

$237

ChicagoBaton Rouge

ORD - BTR

ORDBTR

Chicago O'Hare Intl

sáb. 1/17

3:53 pm-9:32 pm

1 stop5h 39m

Baton Rouge Ryan

lun. 1/19

5:15 pm-12:28 am

1 stop7h 13m

$245

ChicagoBaton Rouge

MDW - BTR

MDWBTR

Chicago Midway

sáb. 11/8

6:00 am-12:26 pm

1 stop6h 26m

Baton Rouge Ryan

sáb. 11/15

10:34 am-3:43 pm

1 stop5h 09m

$249

ChicagoBaton Rouge

ORD - BTR

ORDBTR

Chicago O'Hare Intl

sáb. 1/17

7:35 am-1:17 pm

1 stop5h 42m

Baton Rouge Ryan

lun. 1/19

5:15 pm-12:28 am

1 stop7h 13m

$331

ChicagoBaton Rouge

MDW - BTR

MDWBTR

Chicago Midway

vie. 10/31

6:20 am-3:21 pm

2 stops9h 01m

Baton Rouge Ryan

jue. 11/6

5:07 am-6:39 pm

2 stops13h 32m

$562

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 $288.

What is the cheapest day to depart on your flight to Baton Rouge?

The cheapest day to depart from Illinois to Baton Rouge is on a Wednesday. Travelers who choose to depart for Baton Rouge on a Wednesday will often find tickets for as low as $295. If your travel schedule is flexible, try to avoid departing on a Thursday because tickets tend to average around $400. These prices are subject to change though, so be sure to set up a Price Alert for flights to Baton Rouge.

What is the cheapest time of day to depart on your flight to Baton Rouge?

Our most recent data shows that the best time of day to fly to Baton Rouge is in the evening. Flights from Illinois to Baton Rouge during this time can be as low as $123. In contrast, the most expensive time of day to depart to Baton Rouge is at noon when prices are around $693.

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

You could potentially save up to 67% 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

Direct flights

None
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
7,973 reviews
Search Delta flights
American AirlinesPriceFrom $253Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $261Free CancellationRating
7.4
8,928 reviews
Search United 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.

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