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

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

What airlines fly to Illinois?

United Airlines, American Airlines and Southwest are the top three most popular airlines that fly to Illinois from Baton Rouge according to our data. United Airlines is the first choice among our users, with 41% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 5 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.

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

Prices for flights from Baton Rouge Ryan Airport to Illinois are updated daily.

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

As of November 2026, there are 3 operators available to choose from for flights from Baton Rouge Ryan Airport to Illinois.

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Baton Rouge Ryan Airport to Illinois.

What documentation or ID do you need to fly to Illinois?

The travel and health documents required for your trip to Illinois can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Illinois. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$226 Cheap Flights from Baton Rouge to Illinois in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Baton Rouge to Illinois

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:39 pm - 10:17 pmBTR Baton Rouge Ryan-MDW Chicago Midway

4h 38m1 stop Atlanta Hartsfield-Jackson

6:00 am - 12:57 pmMDW Chicago Midway-BTR Baton Rouge Ryan

6h 57m1 stop Atlanta Hartsfield-Jackson

$343Delta

Wed, Jan 6 - Tue, Jan 12

5:39 pm - 10:17 pmBTR Baton Rouge Ryan-MDW Chicago Midway

4h 38m1 stop Atlanta Hartsfield-Jackson

6:00 am - 12:57 pmMDW Chicago Midway-BTR Baton Rouge Ryan

6h 57m1 stop Atlanta Hartsfield-Jackson

$343Delta

Wed, Jan 6 - Wed, Jan 13

2:25 pm - 9:11 pmBTR Baton Rouge Ryan-ORD Chicago O'Hare Intl

6h 46m1 stop Dallas/Fort Worth

8:31 am - 1:54 pmORD Chicago O'Hare Intl-BTR Baton Rouge Ryan

5h 23m1 stop Dallas/Fort Worth

$343American Airlines

Wed, Dec 9 - Sat, Dec 12

10:29 am - 4:55 pmBTR Baton Rouge Ryan-MDW Chicago Midway

6h 26m1 stop Atlanta Hartsfield-Jackson

6:00 am - 12:57 pmMDW Chicago Midway-BTR Baton Rouge Ryan

6h 57m1 stop Atlanta Hartsfield-Jackson

$343Delta

Tue, Jan 5 - Tue, Jan 12

5:39 pm - 10:17 pmBTR Baton Rouge Ryan-MDW Chicago Midway

4h 38m1 stop Atlanta Hartsfield-Jackson

10:47 am - 4:41 pmMDW Chicago Midway-BTR Baton Rouge Ryan

5h 54m1 stop Atlanta Hartsfield-Jackson

$343Delta

Tue, Jan 5 - Wed, Jan 13

2:25 pm - 9:11 pmBTR Baton Rouge Ryan-ORD Chicago O'Hare Intl

6h 46m1 stop Dallas/Fort Worth

8:31 am - 1:54 pmORD Chicago O'Hare Intl-BTR Baton Rouge Ryan

5h 23m1 stop Dallas/Fort Worth

$346American Airlines

Wed, Dec 9 - Sat, Dec 12

2:10 pm - 8:03 pmBTR Baton Rouge Ryan-ORD Chicago O'Hare Intl

5h 53m1 stop Houston George Bush Intcntl

5:46 am - 11:15 amORD Chicago O'Hare Intl-BTR Baton Rouge Ryan

5h 29m1 stop Houston George Bush Intcntl

$346United Airlines

Wed, Feb 10 - Sun, Feb 14

5:00 am - 10:10 amBTR Baton Rouge Ryan-ORD Chicago O'Hare Intl

5h 10m1 stop Houston George Bush Intcntl

7:30 am - 1:29 pmORD Chicago O'Hare Intl-BTR Baton Rouge Ryan

5h 59m1 stop Houston George Bush Intcntl

$349United Airlines

Thu, Dec 3 - Sun, Dec 6

4:42 pm - 10:31 pmBTR Baton Rouge Ryan-ORD Chicago O'Hare Intl

5h 49m1 stop Dallas/Fort Worth

2:52 pm - 10:57 pmORD Chicago O'Hare Intl-BTR Baton Rouge Ryan

8h 05m1 stop Dallas/Fort Worth

$349American Airlines

Thu, Jan 21 - Sun, Jan 24

5:00 am - 10:09 amBTR Baton Rouge Ryan-ORD Chicago O'Hare Intl

5h 09m1 stop Houston George Bush Intcntl

5:46 am - 11:15 amORD Chicago O'Hare Intl-BTR Baton Rouge Ryan

5h 29m1 stop Houston George Bush Intcntl

$349United Airlines

Thu, Feb 18 - Sun, Feb 21

Cheap last minute flights

Enter your travel dates to find the best prices.

8:00 am - 2:12 pmBTR Baton Rouge Ryan-ORD Chicago O'Hare Intl

6h 12m1 stop Dallas/Fort Worth

10:03 am - 4:55 pmORD Chicago O'Hare Intl-BTR Baton Rouge Ryan

6h 52m1 stop Dallas/Fort Worth

$441American Airlines

Sat, Nov 14 - Sat, Nov 21

6:00 am - 10:24 amBTR Baton Rouge Ryan-MDW Chicago Midway

4h 24m1 stop Atlanta Hartsfield-Jackson

9:30 am - 8:53 pmMDW Chicago Midway-BTR Baton Rouge Ryan

11h 23m2 stops Detroit Metropolitan Wayne County Atlanta Hartsfield-Jackson

$446Delta

Sat, Nov 14 - Sat, Nov 21

6:00 am - 4:41 pmBTR Baton Rouge Ryan-ORD Chicago O'Hare Intl

10h 41m2 stops Atlanta Hartsfield-Jackson Minneapolis St Paul

3:00 pm - 8:53 pmORD Chicago O'Hare Intl-BTR Baton Rouge Ryan

5h 53m1 stop Atlanta Hartsfield-Jackson

$446Delta

Sat, Nov 14 - Sat, Nov 21

6:00 am - 4:39 pmBTR Baton Rouge Ryan-MDW Chicago Midway

10h 39m2 stops Atlanta Hartsfield-Jackson Minneapolis St Paul

9:30 am - 8:53 pmMDW Chicago Midway-BTR Baton Rouge Ryan

11h 23m2 stops Detroit Metropolitan Wayne County Atlanta Hartsfield-Jackson

$451Delta

Sat, Nov 14 - Sat, Nov 21

10:24 am - 8:17 pmBTR Baton Rouge Ryan-ORD Chicago O'Hare Intl

9h 53m2 stops Atlanta Hartsfield-Jackson Detroit Metropolitan Wayne County

6:20 am - 3:14 pmORD Chicago O'Hare Intl-BTR Baton Rouge Ryan

8h 54m2 stops Minneapolis St Paul Atlanta Hartsfield-Jackson

$451Delta

Sat, Nov 14 - Sat, Nov 21

5:00 am - 10:10 amBTR Baton Rouge Ryan-ORD Chicago O'Hare Intl

5h 10m1 stop Houston George Bush Intcntl

2:22 pm - 9:50 pmORD Chicago O'Hare Intl-BTR Baton Rouge Ryan

7h 28m1 stop Houston George Bush Intcntl

$454United Airlines

Fri, Nov 13 - Mon, Nov 16

2:29 pm - 9:12 pmBTR Baton Rouge Ryan-ORD Chicago O'Hare Intl

6h 43m1 stop Dallas/Fort Worth

6:59 am - 1:59 pmORD Chicago O'Hare Intl-BTR Baton Rouge Ryan

7h 00m1 stop Dallas/Fort Worth

$456American Airlines

Fri, Nov 13 - Sat, Nov 14

7:00 am - 12:29 pmBTR Baton Rouge Ryan-ORD Chicago O'Hare Intl

5h 29m1 stop Houston George Bush Intcntl

9:35 pm - 3:38 pmORD Chicago O'Hare Intl-BTR Baton Rouge Ryan

18h 03m1 stop Houston George Bush Intcntl

$853United Airlines

Fri, Nov 13 - Fri, Nov 13

12:05 pm - 6:30 pmBTR Baton Rouge Ryan-ORD Chicago O'Hare Intl

6h 25m1 stop Houston George Bush Intcntl

9:35 pm - 3:38 pmORD Chicago O'Hare Intl-BTR Baton Rouge Ryan

18h 03m1 stop Houston George Bush Intcntl

$853United Airlines

Thu, Nov 12 - Fri, Nov 13

12:05 pm - 7:30 pmBTR Baton Rouge Ryan-ORD Chicago O'Hare Intl

7h 25m2 stops Houston George Bush Intcntl Kansas City

2:22 pm - 7:43 pmORD Chicago O'Hare Intl-BTR Baton Rouge Ryan

5h 21m1 stop Houston George Bush Intcntl

$882United Airlines

Fri, Nov 13 - Sat, Nov 14

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Delta flights from Baton Rouge to Illinois

Our best Delta deals on Baton Rouge to Illinois flight tickets

Delta

Dec 9

BTR1:52 pmBaton Rouge Ryan

7h 01m

1 stop

ORD8:53 pmChicago O'Hare Intl

Dec 12

ORD8:00 amChicago O'Hare Intl

7h 13m

1 stop

BTR3:13 pmBaton Rouge Ryan

$343

Delta

Jan 7

BTR5:39 pmBaton Rouge Ryan

4h 38m

1 stop

MDW10:17 pmChicago Midway

Jan 12

MDW6:00 amChicago Midway

6h 57m

1 stop

BTR12:57 pmBaton Rouge Ryan

$346

Delta

Dec 9

BTR1:52 pmBaton Rouge Ryan

7h 43m

2 stops

ORD9:35 pmChicago O'Hare Intl

Dec 12

ORD8:00 amChicago O'Hare Intl

7h 13m

1 stop

BTR3:13 pmBaton Rouge Ryan

$348

United Airlines flights from Baton Rouge to Illinois

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

United Airlines

Dec 17

BTR11:59 amBaton Rouge Ryan

6h 31m

1 stop

ORD6:30 pmChicago O'Hare Intl

Dec 21

ORD7:40 amChicago O'Hare Intl

7h 44m

1 stop

BTR3:24 pmBaton Rouge Ryan

$360

United Airlines

Dec 23

BTR5:00 amBaton Rouge Ryan

5h 10m

1 stop

ORD10:10 amChicago O'Hare Intl

Jan 3

ORD5:30 amChicago O'Hare Intl

5h 53m

1 stop

BTR11:23 amBaton Rouge Ryan

$368

United Airlines

Dec 20

BTR5:00 amBaton Rouge Ryan

5h 10m

1 stop

ORD10:10 amChicago O'Hare Intl

Jan 2

ORD7:40 amChicago O'Hare Intl

7h 44m

1 stop

BTR3:24 pmBaton Rouge Ryan

$376

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Baton RougeChicago

BTR Baton Rouge Ryan - MDW Chicago Midway

BTRMDW

Baton Rouge Ryan

Wed 1/6

5:39 pm-10:17 pm

1 stop4h 38m

Chicago Midway

Tue 1/12

6:00 am-12:57 pm

1 stop6h 57m

$343

Baton RougeChicago

BTR Baton Rouge Ryan - MDW Chicago Midway

BTRMDW

Baton Rouge Ryan

Wed 1/6

5:39 pm-10:17 pm

1 stop4h 38m

Chicago Midway

Wed 1/13

6:00 am-12:57 pm

1 stop6h 57m

$343

Baton RougeChicago

BTR Baton Rouge Ryan - ORD Chicago O'Hare Intl

BTRORD

Baton Rouge Ryan

Wed 12/9

2:25 pm-9:11 pm

1 stop6h 46m

Chicago O'Hare Intl

Sat 12/12

8:31 am-1:54 pm

1 stop5h 23m

$343

Baton RougeChicago

BTR Baton Rouge Ryan - MDW Chicago Midway

BTRMDW

Baton Rouge Ryan

Tue 1/5

10:29 am-4:55 pm

1 stop6h 26m

Chicago Midway

Tue 1/12

6:00 am-12:57 pm

1 stop6h 57m

$343

Quickest round-trip

Baton RougeChicago

BTR Baton Rouge Ryan - MDW Chicago Midway

BTRMDW

Baton Rouge Ryan

Tue 1/5

5:39 pm-10:17 pm

1 stop4h 38m

Chicago Midway

Wed 1/13

10:47 am-4:41 pm

1 stop5h 54m

$343

Baton RougeChicago

BTR Baton Rouge Ryan - ORD Chicago O'Hare Intl

BTRORD

Baton Rouge Ryan

Wed 12/9

2:25 pm-9:11 pm

1 stop6h 46m

Chicago O'Hare Intl

Sat 12/12

8:31 am-1:54 pm

1 stop5h 23m

$346

Baton RougeChicago

BTR Baton Rouge Ryan - ORD Chicago O'Hare Intl

BTRORD

Baton Rouge Ryan

Wed 2/10

2:10 pm-8:03 pm

1 stop5h 53m

Chicago O'Hare Intl

Sun 2/14

5:46 am-11:15 am

1 stop5h 29m

$346

Baton RougeChicago

BTR Baton Rouge Ryan - ORD Chicago O'Hare Intl

BTRORD

Baton Rouge Ryan

Thu 12/3

5:00 am-10:10 am

1 stop5h 10m

Chicago O'Hare Intl

Sun 12/6

7:30 am-1:29 pm

1 stop5h 59m

$349

Baton RougeChicago

BTR Baton Rouge Ryan - ORD Chicago O'Hare Intl

BTRORD

Baton Rouge Ryan

Thu 1/21

4:42 pm-10:31 pm

1 stop5h 49m

Chicago O'Hare Intl

Sun 1/24

2:52 pm-10:57 pm

1 stop8h 05m

$349

Baton RougeChicago

BTR Baton Rouge Ryan - ORD Chicago O'Hare Intl

BTRORD

Baton Rouge Ryan

Thu 2/18

5:00 am-10:09 am

1 stop5h 09m

Chicago O'Hare Intl

Sun 2/21

5:46 am-11:15 am

1 stop5h 29m

$349

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 Baton Rouge to Illinois

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

What is the cheapest month to fly to Illinois?

The cheapest month to fly to Illinois from Baton Rouge is in January. Flight prices, which tend to average around $318, are often lower during this time because this is during the off-season. If you aren’t able to travel to Illinois during the month of January, then flying in July is also cheap. Prices for this month can be found on momondo for an average of $328.

Cheap Baton Rouge to Illinois flight deals and tips

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

Best Price Found	$226
Fastest flight time	4h 52m
Direct flights	None

The best one-way flight to Illinois from Baton Rouge in the past 72 hours is $226. The best round-trip flight deal from Baton Rouge to Illinois found on momondo in the last 72 hours is $343.

The fastest flight from Baton Rouge to Illinois takes 4h 52m

There are no direct flights from Baton Rouge to Illinois. There are no popular flight routes from Baton Rouge to Illinois.

Search flight deals

Frequently asked questions about flying from Baton Rouge to Illinois

When did momondo last update prices for flights from Baton Rouge Ryan Airport to Illinois?
Prices for flights from Baton Rouge Ryan Airport to Illinois are updated daily.
How many operators does momondo search for flights from Baton Rouge Ryan Airport to Illinois?
As of November 2026, there are 3 operators available to choose from for flights from Baton Rouge Ryan Airport to Illinois.
How old do you have to be to fly from Baton Rouge Ryan Airport to Illinois?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Baton Rouge Ryan Airport to Illinois.
What documentation or ID do you need to fly to Illinois?
The travel and health documents required for your trip to Illinois can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Illinois. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Baton Rouge to Illinois

Compare and see reviews for airlines that fly from Baton Rouge to Illinois with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $298	Free Cancellation	Rating 7.8 8,708 reviews	Search Delta flights
American Airlines	PriceFrom $302	Free Cancellation	Rating 7.0 12,223 reviews	Search American Airlines flights
United Airlines	PriceFrom $318	Free Cancellation	Rating 7.3 10,474 reviews	Search United Airlines flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Baton Rouge to Illinois for you.

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

All flight searches from Baton Rouge to Illinois on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search for Baton Rouge to Illinois flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Price alerts on flights to Illinois from Baton Rouge are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.