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

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

What airlines fly to Illinois?

American Airlines, United Airlines and Southwest are the top three most popular airlines that fly to Illinois from Baton Rouge according to our data. American Airlines is the first choice among our users, with 40% 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 June 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.

$163 Cheap Flights from Baton Rouge to Illinois in 2026

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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.

4:07 pm - 10:17 pm

BTR

MDW

6h 10m

1 stop

4:25 pm - 9:55 pm

MDW

BTR

5h 30m

1 stop

$303Delta

Sat, Jun 27 - Tue, Jun 30

7:06 pm - 11:53 pm

BTR

ORD

4h 47m

1 stop

5:30 am - 9:39 am

ORD

BTR

4h 09m

1 stop

$303Delta

Tue, Jul 7 - Sat, Jul 11

10:26 am - 4:17 pm

BTR

STL

5h 51m

1 stop

7:00 am - 12:47 pm

STL

BTR

5h 47m

1 stop

$305Delta

Tue, Aug 11 - Sat, Aug 15

2:05 pm - 9:40 pm

BTR

ORD

7h 35m

1 stop

6:29 am - 11:20 am

ORD

BTR

4h 51m

1 stop

$306United Airlines

Sat, Jun 27 - Thu, Jul 2

4:07 pm - 10:17 pm

BTR

MDW

6h 10m

1 stop

6:00 am - 12:47 pm

MDW

BTR

6h 47m

1 stop

$306Delta

Sat, Jun 27 - Mon, Jun 29

7:36 pm - 11:59 pm

BTR

STL

4h 23m

1 stop

5:29 am - 11:00 am

STL

BTR

5h 31m

1 stop

$309American Airlines

Thu, Jun 25 - Sun, Jun 28

12:00 pm - 6:04 pm

BTR

STL

6h 04m

1 stop

8:00 am - 5:33 pm

STL

BTR

9h 33m

2 stops

$310United Airlines

Tue, Aug 11 - Tue, Aug 18

7:36 pm - 12:50 am

BTR

ORD

5h 14m

1 stop

6:04 am - 10:58 am

ORD

BTR

4h 54m

1 stop

$321American Airlines

Thu, Jul 2 - Wed, Jul 8

6:09 pm - 12:45 am

BTR

ORD

6h 36m

1 stop

6:29 am - 11:20 am

ORD

BTR

4h 51m

1 stop

$333United Airlines

Sun, Jun 28 - Fri, Jul 3

6:16 pm - 11:30 pm

BTR

MLI

5h 14m

1 stop

4:45 pm - 10:57 pm

MLI

BTR

6h 12m

1 stop

$342American Airlines

Wed, Jul 1 - Tue, Jul 7

American Airlines flights from Baton Rouge to Illinois

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

American Airlines

Jun 25

BTR7:36 pmBaton Rouge Ryan

4h 23m

1 stop

STL11:59 pmLambert-St Louis

Jun 28

STL5:29 amLambert-St Louis

5h 31m

1 stop

BTR11:00 amBaton Rouge Ryan

$309

American Airlines

Jul 2

BTR7:36 pmBaton Rouge Ryan

5h 14m

1 stop

ORD12:50 amChicago O'Hare Intl

Jul 8

ORD6:04 amChicago O'Hare Intl

4h 54m

1 stop

BTR10:58 amBaton Rouge Ryan

$321

American Airlines

Jul 1

BTR6:16 pmBaton Rouge Ryan

5h 14m

1 stop

MLI11:30 pmMoline Quad-City

Jul 7

MLI4:45 pmMoline Quad-City

6h 12m

1 stop

BTR10:57 pmBaton Rouge Ryan

$342

Delta flights from Baton Rouge to Illinois

Our best Delta deals on Baton Rouge to Illinois flight tickets

Delta

Jul 7

BTR7:06 pmBaton Rouge Ryan

4h 47m

1 stop

ORD11:53 pmChicago O'Hare Intl

Jul 11

ORD5:30 amChicago O'Hare Intl

4h 09m

1 stop

BTR9:39 amBaton Rouge Ryan

$303

Delta

Aug 11

BTR10:26 amBaton Rouge Ryan

5h 51m

1 stop

STL4:17 pmLambert-St Louis

Aug 15

STL7:00 amLambert-St Louis

5h 47m

1 stop

BTR12:47 pmBaton Rouge Ryan

$305

Delta

Jun 27

BTR4:07 pmBaton Rouge Ryan

6h 10m

1 stop

MDW10:17 pmChicago Midway

Jun 29

MDW6:00 amChicago Midway

6h 47m

1 stop

BTR12:47 pmBaton Rouge Ryan

$306

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Baton RougeChicago

BTR - MDW

BTRMDW

Baton Rouge Ryan

Sat 6/27

4:07 pm-10:17 pm

1 stop6h 10m

Chicago Midway

Tue 6/30

4:25 pm-9:55 pm

1 stop5h 30m

$303

Quickest round-trip

Baton RougeChicago

BTR - ORD

BTRORD

Baton Rouge Ryan

Tue 7/7

7:06 pm-11:53 pm

1 stop4h 47m

Chicago O'Hare Intl

Sat 7/11

5:30 am-9:39 am

1 stop4h 09m

$303

Baton RougeSt. Louis

BTR - STL

BTRSTL

Baton Rouge Ryan

Tue 8/11

10:26 am-4:17 pm

1 stop5h 51m

Lambert-St Louis

Sat 8/15

7:00 am-12:47 pm

1 stop5h 47m

$305

Baton RougeChicago

BTR - ORD

BTRORD

Baton Rouge Ryan

Sat 6/27

2:05 pm-9:40 pm

1 stop7h 35m

Chicago O'Hare Intl

Thu 7/2

6:29 am-11:20 am

1 stop4h 51m

$306

Baton RougeChicago

BTR - MDW

BTRMDW

Baton Rouge Ryan

Sat 6/27

4:07 pm-10:17 pm

1 stop6h 10m

Chicago Midway

Mon 6/29

6:00 am-12:47 pm

1 stop6h 47m

$306

Baton RougeSt. Louis

BTR - STL

BTRSTL

Baton Rouge Ryan

Thu 6/25

7:36 pm-11:59 pm

1 stop4h 23m

Lambert-St Louis

Sun 6/28

5:29 am-11:00 am

1 stop5h 31m

$309

Baton RougeSt. Louis

BTR - STL

BTRSTL

Baton Rouge Ryan

Tue 8/11

12:00 pm-6:04 pm

1 stop6h 04m

Lambert-St Louis

Tue 8/18

8:00 am-5:33 pm

2 stops9h 33m

$310

Baton RougeChicago

BTR - ORD

BTRORD

Baton Rouge Ryan

Thu 7/2

7:36 pm-12:50 am

1 stop5h 14m

Chicago O'Hare Intl

Wed 7/8

6:04 am-10:58 am

1 stop4h 54m

$321

Baton RougeChicago

BTR - ORD

BTRORD

Baton Rouge Ryan

Sun 6/28

6:09 pm-12:45 am

1 stop6h 36m

Chicago O'Hare Intl

Fri 7/3

6:29 am-11:20 am

1 stop4h 51m

$333

Baton RougeMoline

BTR - MLI

BTRMLI

Baton Rouge Ryan

Wed 7/1

6:16 pm-11:30 pm

1 stop5h 14m

Moline Quad-City

Tue 7/7

4:45 pm-10:57 pm

1 stop6h 12m

$342

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 September. Flight prices, which tend to average around $196, 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 September, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $238.

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

Fastest flight time	4h 07m
Direct flights	None

The fastest flight from Baton Rouge to Illinois takes 4h 07m

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 June 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
American Airlines	PriceFrom $248	Free Cancellation	Rating 7.1 11,641 reviews	Search American Airlines flights
Delta	PriceFrom $253	Free Cancellation	Rating 7.9 8,402 reviews	Search Delta flights
United Airlines	PriceFrom $272	Free Cancellation	Rating 7.4 9,768 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.