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

United Airlines, American Airlines, and Delta 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 13m on average. Another popular route from Illinois to Baton Rouge is flying from Moline to New Orleans, which will take roughly 4h 27m. 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 38% of people opting to fly with this airline when traveling to Baton Rouge. Keep in mind that there are 5 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 August 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.

$179 Cheap Flights from Illinois to Baton Rouge in 2025

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Find the cheapest flights from Illinois to Baton Rouge

Round-trip

One-way

Last minute

Cheap round-trip flights

6:00 am - 12:50 pmMDW-BTR

6h 50m1 stop

3:20 pm - 9:44 pmBTR-MDW

6h 24m1 stop

$249Delta

Find Deal

Mon, Nov 24 - Fri, Nov 28

9:47 am - 5:07 pmORD-BTR

7h 20m1 stop

4:39 pm - 11:54 pmBTR-ORD

7h 15m1 stop

$249Delta

Find Deal

Thu, Sep 4 - Mon, Sep 15

5:11 pm - 10:13 pmSTL-BTR

5h 02m1 stop

10:20 am - 2:37 pmBTR-STL

4h 17m1 stop

$249Delta

Find Deal

Sat, Aug 23 - Tue, Aug 26

2:55 pm - 8:11 pmORD-BTR

5h 16m1 stop

10:50 am - 5:10 pmBTR-ORD

6h 20m1 stop

$254American Airlines

Find Deal

Sat, Aug 16 - Fri, Aug 22

4:25 pm - 10:13 pmMDW-BTR

5h 48m1 stop

4:38 pm - 9:44 pmBTR-MDW

5h 06m1 stop

$254Delta

Find Deal

Sat, Aug 16 - Sun, Aug 24

2:55 pm - 8:11 pmORD-BTR

5h 16m1 stop

8:25 am - 2:10 pmBTR-ORD

5h 45m1 stop

$259American Airlines

Find Deal

Fri, Aug 15 - Tue, Aug 19

7:23 am - 3:53 pmSTL-BTR

8h 30m2 stops

7:17 am - 3:49 pmBTR-STL

8h 32m2 stops

$259American Airlines

Find Deal

Sat, Aug 23 - Tue, Aug 26

6:00 am - 11:17 amORD-BTR

5h 17m1 stop

5:20 am - 10:07 amBTR-ORD

4h 47m1 stop

$303United Airlines

Find Deal

Sun, Dec 14 - Sun, Feb 15

4:50 pm - 11:24 pmORD-BTR

6h 34m1 stop

3:52 pm - 9:40 pmBTR-ORD

5h 48m1 stop

$309United Airlines

Find Deal

Thu, Sep 18 - Mon, Sep 22

4:50 pm - 11:24 pmORD-BTR

6h 34m1 stop

5:00 am - 10:13 amBTR-ORD

5h 13m1 stop

$349United Airlines

Find Deal

Fri, Sep 19 - Sun, Sep 21

Delta flights from Illinois to Baton Rouge

Our best Delta deals on Illinois to Baton Rouge flight tickets

Delta

Nov 24

MDW6:00 amChicago Midway

6h 50m

1 stop

BTR12:50 pmBaton Rouge Ryan

Nov 28

BTR3:20 pmBaton Rouge Ryan

6h 24m

1 stop

MDW9:44 pmChicago Midway

$249

Find similar

Delta

Aug 16

MDW4:25 pmChicago Midway

5h 48m

1 stop

BTR10:13 pmBaton Rouge Ryan

Aug 24

BTR4:38 pmBaton Rouge Ryan

5h 06m

1 stop

MDW9:44 pmChicago Midway

$254

Find similar

Delta

Aug 16

MDW4:25 pmChicago Midway

5h 48m

1 stop

BTR10:13 pmBaton Rouge Ryan

Aug 20

BTR6:00 amBaton Rouge Ryan

5h 48m

1 stop

MDW11:48 amChicago Midway

$259

Find similar

American Airlines flights from Illinois to Baton Rouge

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

American Airlines

Aug 16

ORD2:55 pmChicago O'Hare Intl

5h 16m

1 stop

BTR8:11 pmBaton Rouge Ryan

Aug 22

BTR10:50 amBaton Rouge Ryan

6h 20m

1 stop

ORD5:10 pmChicago O'Hare Intl

$254

Find similar

American Airlines

Aug 15

ORD2:55 pmChicago O'Hare Intl

5h 16m

1 stop

BTR8:11 pmBaton Rouge Ryan

Aug 19

BTR8:25 amBaton Rouge Ryan

5h 45m

1 stop

ORD2:10 pmChicago O'Hare Intl

$259

Find similar

American Airlines

Aug 15

ORD4:21 pmChicago O'Hare Intl

6h 24m

1 stop

BTR10:45 pmBaton Rouge Ryan

Aug 19

BTR5:39 pmBaton Rouge Ryan

5h 20m

1 stop

ORD10:59 pmChicago O'Hare Intl

$299

Find similar

Fly from

Fly to

Route

Depart

Return

Price

ChicagoBaton Rouge

MDW - BTR

MDWBTR

Chicago Midway

Mon 11/24

6:00 am-12:50 pm

1 stop6h 50m

Baton Rouge Ryan

Fri 11/28

3:20 pm-9:44 pm

1 stop6h 24m

$249

ChicagoBaton Rouge

ORD - BTR

ORDBTR

Chicago O'Hare Intl

Thu 9/4

9:47 am-5:07 pm

1 stop7h 20m

Baton Rouge Ryan

Mon 9/15

4:39 pm-11:54 pm

1 stop7h 15m

$249

St. LouisBaton Rouge

STL - BTR

STLBTR

Lambert-St Louis

Sat 8/23

5:11 pm-10:13 pm

1 stop5h 02m

Baton Rouge Ryan

Tue 8/26

10:20 am-2:37 pm

1 stop4h 17m

$249

ChicagoBaton Rouge

ORD - BTR

ORDBTR

Chicago O'Hare Intl

Sat 8/16

2:55 pm-8:11 pm

1 stop5h 16m

Baton Rouge Ryan

Fri 8/22

10:50 am-5:10 pm

1 stop6h 20m

$254

ChicagoBaton Rouge

MDW - BTR

MDWBTR

Chicago Midway

Sat 8/16

4:25 pm-10:13 pm

1 stop5h 48m

Baton Rouge Ryan

Sun 8/24

4:38 pm-9:44 pm

1 stop5h 06m

$254

ChicagoBaton Rouge

ORD - BTR

ORDBTR

Chicago O'Hare Intl

Fri 8/15

2:55 pm-8:11 pm

1 stop5h 16m

Baton Rouge Ryan

Tue 8/19

8:25 am-2:10 pm

1 stop5h 45m

$259

St. LouisBaton Rouge

STL - BTR

STLBTR

Lambert-St Louis

Sat 8/23

7:23 am-3:53 pm

2 stops8h 30m

Baton Rouge Ryan

Tue 8/26

7:17 am-3:49 pm

2 stops8h 32m

$259

ChicagoBaton Rouge

ORD - BTR

ORDBTR

Chicago O'Hare Intl

Sun 12/14

6:00 am-11:17 am

1 stop5h 17m

Baton Rouge Ryan

Sun 2/15

5:20 am-10:07 am

1 stop4h 47m

$303

ChicagoBaton Rouge

ORD - BTR

ORDBTR

Chicago O'Hare Intl

Thu 9/18

4:50 pm-11:24 pm

1 stop6h 34m

Baton Rouge Ryan

Mon 9/22

3:52 pm-9:40 pm

1 stop5h 48m

$309

ChicagoBaton Rouge

ORD - BTR

ORDBTR

Chicago O'Hare Intl

Fri 9/19

4:50 pm-11:24 pm

1 stop6h 34m

Baton Rouge Ryan

Sun 9/21

5:00 am-10:13 am

1 stop5h 13m

$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 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, September 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 $238. If you’re not able to fly to Baton Rouge in September, 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

Best Price Found	$179
Fastest flight time	4h 18m
Direct flights	None
Airports in Baton Rouge	1 airport

The best one-way flight to Baton Rouge from Illinois in the past 72 hours is $179. The best round-trip flight deal from Illinois to Baton Rouge found on momondo in the last 72 hours is $249.

The fastest flight from Illinois to Baton Rouge takes 4h 18m

There are no direct flights from Illinois to Baton Rouge. Popular non-direct routes for this connection are Chicago Midway Airport - Baton Rouge Ryan Airport, Chicago O'Hare Intl Airport - Baton Rouge Ryan Airport and Lambert-St Louis Airport - Baton Rouge Ryan Airport.

There is 1 airport near Baton Rouge: Baton Rouge Ryan (BTR)

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 August 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 8.0 7,983 reviews	Search Delta flights
American Airlines	PriceFrom $248	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
United Airlines	PriceFrom $261	Free Cancellation	Rating 7.4 8,904 reviews	Search United Airlines flights

Denham Springs

McComb

Saint Francisville

Port Allen

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.