What is the cheapest airline that flies from Illinois to Baton Rouge Ryan?

Delta and American Airlines are the most popular carriers operating from Illinois to Baton Rouge Ryan

How long does it take to fly to Baton Rouge?

Flight times from Illinois to Baton Rouge vary, but if you’re flying out of Chicago and flying into New Orleans (one of the most popular routes), then the duration is 2h 20m on average. Another popular route from Illinois to Baton Rouge is flying from Peoria to New Orleans, which will take roughly 4h 50m. Keep in mind that layovers or delays could extend your travel time.

What airlines fly to Baton Rouge?

American Airlines, United Airlines and Spirit Airlines are the top three most popular airlines that fly to Baton Rouge from Illinois according to our data. American Airlines is the first choice among our users, with 37% of people opting to fly with this airline when traveling to Baton Rouge. Keep in mind that there are 6 different airlines that fly to Baton Rouge on a routine basis, so you have a few additional options to choose from.

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?

As of December 2025, there are 3 operators available to choose from 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.

$209 Cheap Flights from Illinois to Baton Rouge in 2025/26

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Find the cheapest flights from Illinois to Baton Rouge

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:31 pm - 10:01 pm

MDW

BTR

4h 30m1 stop

10:32 am - 4:29 pm

BTR

MDW

5h 57m1 stop

$209Delta

Sat, Jan 17 - Sun, Jan 18

2:50 pm - 10:01 pm

ORD

BTR

7h 11m1 stop

5:51 pm - 11:59 pm

BTR

ORD

6h 08m1 stop

$209Delta

Sat, Jan 17 - Sun, Jan 18

5:05 am - 10:03 am

ORD

BTR

4h 58m1 stop

7:07 am - 1:22 pm

BTR

ORD

6h 15m1 stop

$239American Airlines

Thu, Jan 15 - Sat, Jan 17

6:45 am - 1:30 pm

MDW

BTR

6h 45m1 stop

10:32 am - 4:29 pm

BTR

MDW

5h 57m1 stop

$239Delta

Thu, Jan 15 - Sun, Jan 18

8:03 am - 4:04 pm

ORD

BTR

8h 01m1 stop

5:32 am - 11:44 am

BTR

ORD

6h 12m1 stop

$264American Airlines

Thu, Jan 1 - Mon, Jan 5

11:21 am - 5:09 pm

MDW

BTR

5h 48m1 stop

5:51 pm - 10:07 pm

BTR

MDW

4h 16m1 stop

$264Delta

Sat, Jan 17 - Sun, Jan 18

2:10 pm - 7:33 pm

ORD

BTR

5h 23m1 stop

5:00 am - 11:07 am

BTR

ORD

6h 07m1 stop

$269United Airlines

Wed, Apr 8 - Tue, Apr 14

3:30 pm - 10:37 pm

STL

BTR

7h 07m1 stop

4:21 pm - 11:44 pm

BTR

STL

7h 23m2 stops

$269American Airlines

Thu, Jan 1 - Mon, Jan 5

7:35 am - 1:07 pm

ORD

BTR

5h 32m1 stop

6:07 pm - 12:13 am

BTR

ORD

6h 06m1 stop

$279United Airlines

Fri, Jan 2 - Mon, Jan 5

6:00 am - 1:07 pm

STL

BTR

7h 07m1 stop

1:55 pm - 10:58 pm

BTR

STL

9h 03m2 stops

$279United Airlines

Fri, Jan 2 - Tue, Jan 6

American Airlines flights from Illinois to Baton Rouge

Our best American Airlines deals on Illinois to Baton Rouge flight tickets

American Airlines

Jan 17

STL5:04 pmLambert-St Louis

5h 52m

1 stop

BTR10:56 pmBaton Rouge Ryan

Jan 18

BTR7:07 amBaton Rouge Ryan

7h 57m

1 stop

STL3:04 pmLambert-St Louis

$209

Find similar

American Airlines

Jan 17

STL11:05 amLambert-St Louis

9h 54m

2 stops

BTR8:59 pmBaton Rouge Ryan

Jan 18

BTR7:07 amBaton Rouge Ryan

7h 57m

1 stop

STL3:04 pmLambert-St Louis

$214

Find similar

American Airlines

Jan 15

ORD5:05 amChicago O'Hare Intl

4h 58m

1 stop

BTR10:03 amBaton Rouge Ryan

Jan 17

BTR7:07 amBaton Rouge Ryan

6h 15m

1 stop

ORD1:22 pmChicago O'Hare Intl

$239

Find similar

United Airlines flights from Illinois to Baton Rouge

Our best United Airlines deals on Illinois to Baton Rouge flight tickets

United Airlines

Apr 8

ORD2:10 pmChicago O'Hare Intl

5h 23m

1 stop

BTR7:33 pmBaton Rouge Ryan

Apr 14

BTR5:00 amBaton Rouge Ryan

6h 07m

1 stop

ORD11:07 amChicago O'Hare Intl

$269

Find similar

United Airlines

Jan 2

STL6:00 amLambert-St Louis

7h 07m

1 stop

BTR1:07 pmBaton Rouge Ryan

Jan 6

BTR1:55 pmBaton Rouge Ryan

9h 03m

2 stops

STL10:58 pmLambert-St Louis

$279

Find similar

United Airlines

Jan 2

STL8:05 amLambert-St Louis

11h 18m

2 stops

BTR7:23 pmBaton Rouge Ryan

Jan 6

BTR1:55 pmBaton Rouge Ryan

9h 03m

2 stops

STL10:58 pmLambert-St Louis

$284

Find similar

Fly from

Fly to

Route

Depart

Return

Price

ChicagoBaton Rouge

MDW - BTR

MDWBTR

Chicago Midway

Sat 1/17

5:31 pm-10:01 pm

1 stop4h 30m

Baton Rouge Ryan

Sun 1/18

10:32 am-4:29 pm

1 stop5h 57m

$209

ChicagoBaton Rouge

ORD - BTR

ORDBTR

Chicago O'Hare Intl

Sat 1/17

2:50 pm-10:01 pm

1 stop7h 11m

Baton Rouge Ryan

Sun 1/18

5:51 pm-11:59 pm

1 stop6h 08m

$209

ChicagoBaton Rouge

ORD - BTR

ORDBTR

Chicago O'Hare Intl

Thu 1/15

5:05 am-10:03 am

1 stop4h 58m

Baton Rouge Ryan

Sat 1/17

7:07 am-1:22 pm

1 stop6h 15m

$239

ChicagoBaton Rouge

MDW - BTR

MDWBTR

Chicago Midway

Thu 1/15

6:45 am-1:30 pm

1 stop6h 45m

Baton Rouge Ryan

Sun 1/18

10:32 am-4:29 pm

1 stop5h 57m

$239

ChicagoBaton Rouge

ORD - BTR

ORDBTR

Chicago O'Hare Intl

Thu 1/1

8:03 am-4:04 pm

1 stop8h 01m

Baton Rouge Ryan

Mon 1/5

5:32 am-11:44 am

1 stop6h 12m

$264

ChicagoBaton Rouge

MDW - BTR

MDWBTR

Chicago Midway

Sat 1/17

11:21 am-5:09 pm

1 stop5h 48m

Baton Rouge Ryan

Sun 1/18

5:51 pm-10:07 pm

1 stop4h 16m

$264

ChicagoBaton Rouge

ORD - BTR

ORDBTR

Chicago O'Hare Intl

Wed 4/8

2:10 pm-7:33 pm

1 stop5h 23m

Baton Rouge Ryan

Tue 4/14

5:00 am-11:07 am

1 stop6h 07m

$269

St. LouisBaton Rouge

STL - BTR

STLBTR

Lambert-St Louis

Thu 1/1

3:30 pm-10:37 pm

1 stop7h 07m

Baton Rouge Ryan

Mon 1/5

4:21 pm-11:44 pm

2 stops7h 23m

$269

ChicagoBaton Rouge

ORD - BTR

ORDBTR

Chicago O'Hare Intl

Fri 1/2

7:35 am-1:07 pm

1 stop5h 32m

Baton Rouge Ryan

Mon 1/5

6:07 pm-12:13 am

1 stop6h 06m

$279

St. LouisBaton Rouge

STL - BTR

STLBTR

Lambert-St Louis

Fri 1/2

6:00 am-1:07 pm

1 stop7h 07m

Baton Rouge Ryan

Tue 1/6

1:55 pm-10:58 pm

2 stops9h 03m

$279

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Other information

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 66% 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 19m
Direct flights	None

The fastest flight from Illinois to Baton Rouge takes 4h 19m

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?
As of December 2025, there are 3 operators available to choose from 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
Delta	PriceFrom $228	Free Cancellation	Rating 7.9 8,005 reviews	Search Delta flights
United Airlines	PriceFrom $248	Free Cancellation	Rating 7.4 9,091 reviews	Search United Airlines flights
American Airlines	PriceFrom $253	Free Cancellation	Rating 7.2 11,054 reviews	Search American Airlines flights

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.