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Baton Rouge

$165+ Cheap flights from Illinois to Baton Rouge (BTR)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/19. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BTR
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
1 adult, Economy
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Cheap flight deals from Illinois to Baton Rouge

Keep the following information in mind while searching for Illinois to Baton Rouge flight deals. Data was last updated March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$224
(American Airlines)

One-way from

$165
(American Airlines)

Popular in

November

Cheapest in

September

Average price

$473
Provider with most accurate pricing for Chicago (CHI)-Baton Rouge Ryan flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-Baton Rouge Ryan flights.
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From Illinois to Baton Rouge Ryan
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One-way flight from Illinois to Baton Rouge Ryan
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Highest demand for flights based on searches. 12% potential increase in price ($54 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($19 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Find flight deals from Illinois to Baton Rouge

Cheapest flights from Illinois to Baton Rouge
Explore the most affordable flight options available from Illinois to Baton Rouge. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 28, 2025.

This American Airlines deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/193:18 pmORD - BTR
1 stop7h 27mAmerican Airlines
Wed 4/232:47 pmBTR - ORD
1 stop6h 28mAmerican Airlines
Deal found 3/27$224
This Delta deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2710:35 amMDW - BTR
1 stop4h 16mDelta
Wed 10/11:40 pmBTR - MDW
1 stop4h 23mDelta
Deal found 3/27$249
This Delta deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/35:20 amORD - BTR
1 stop4h 16mDelta
Tue 5/135:27 pmBTR - ORD
1 stop6h 31mDelta
Deal found 3/27$249
This American Airlines deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/165:26 amSTL - BTR
1 stop4h 18mAmerican Airlines
Sun 4/205:20 amBTR - STL
1 stop5h 13mAmerican Airlines
Deal found 3/27$254
This United deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/612:47 pmORD - BTR
1 stop5h 05mUnited Airlines
Sun 5/115:05 amBTR - ORD
1 stop5h 06mUnited Airlines
Deal found 3/28$319
This Delta deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/3110:19 amSTL - BTR
1 stop6h 41mDelta
Mon 4/75:48 pmBTR - STL
1 stop5h 41mDelta
Deal found 3/26$324
This United Airlines deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/114:20 pmSTL - BTR
1 stop5h 32mUnited Airlines
Tue 4/159:45 amBTR - STL
1 stop4h 51mUnited Airlines
Deal found 3/27$329
This United Airlines deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/1610:50 amMLI - BTR
2 stops8h 33mUnited Airlines
Sat 4/195:00 amBTR - MLI
2 stops10h 11mUnited Airlines
Deal found 3/27$334
This United Airlines deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/116:50 amPIA - BTR
2 stops11h 22mUnited Airlines
Tue 4/155:00 amBTR - PIA
2 stops11h 46mUnited Airlines
Deal found 3/27$420
This American Airlines deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/304:25 pmEVV - BTR
1 stop5h 34mAmerican Airlines
Sat 4/56:22 amBTR - EVV
1 stop4h 46mAmerican Airlines
Deal found 3/25$653
This American Airlines deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1111:17 amSPI - BTR
2 stops11h 28mAmerican Airlines
Tue 4/156:22 pmBTR - SPI
3 stops16h 25mAmerican Airlines
Deal found 3/27$788

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated March 28, 2025.
Use the filters below to find and compare flights from Illinois to Baton Rouge that are best for you.

Fly from

Illinois

Fly to

Baton Rouge

Route

Depart

Return

Price

ChicagoBaton Rouge

ORD - BTR

ORDBTR

Chicago O'Hare Intl

Sat 4/19

3:18 pm-10:45 pm

1 stop7h 27m

Baton Rouge Ryan

Wed 4/23

2:47 pm-9:15 pm

1 stop6h 28m

$224

ChicagoBaton Rouge

ORD - BTR

ORDBTR

Chicago O'Hare Intl

Sat 5/3

5:20 am-9:36 am

1 stop4h 16m

Baton Rouge Ryan

Tue 5/13

5:27 pm-11:58 pm

1 stop6h 31m

$249

St. LouisBaton Rouge

STL - BTR

STLBTR

Lambert-St Louis

Wed 4/16

5:26 am-9:44 am

1 stop4h 18m

Baton Rouge Ryan

Sun 4/20

5:20 am-10:33 am

1 stop5h 13m

$254

ChicagoBaton Rouge

MDW - BTR

MDWBTR

Chicago Midway

Mon 6/2

6:00 am-1:08 pm

1 stop7h 08m

Baton Rouge Ryan

Mon 6/16

12:30 pm-5:57 pm

1 stop5h 27m

$279

ChicagoBaton Rouge

ORD - BTR

ORDBTR

Chicago O'Hare Intl

Tue 5/6

12:47 pm-5:52 pm

1 stop5h 05m

Baton Rouge Ryan

Sun 5/11

5:05 am-10:11 am

1 stop5h 06m

$319

St. LouisBaton Rouge

STL - BTR

STLBTR

Lambert-St Louis

Mon 3/31

10:19 am-5:00 pm

1 stop6h 41m

Baton Rouge Ryan

Mon 4/7

5:48 pm-11:29 pm

1 stop5h 41m

$324

St. LouisBaton Rouge

STL - BTR

STLBTR

Lambert-St Louis

Fri 4/11

4:20 pm-9:52 pm

1 stop5h 32m

Baton Rouge Ryan

Tue 4/15

9:45 am-2:36 pm

1 stop4h 51m

$329

MolineBaton Rouge

MLI - BTR

MLIBTR

Moline Quad-City

Wed 4/16

10:50 am-7:23 pm

2 stops8h 33m

Baton Rouge Ryan

Sat 4/19

5:00 am-3:11 pm

2 stops10h 11m

$334

PeoriaBaton Rouge

PIA - BTR

PIABTR

Greater Peoria

Fri 4/11

6:50 am-6:12 pm

2 stops11h 22m

Baton Rouge Ryan

Tue 4/15

5:00 am-4:46 pm

2 stops11h 46m

$420

SpringfieldBaton Rouge

SPI - BTR

SPIBTR

Springfield Capital

Fri 4/11

11:17 am-10:45 pm

2 stops11h 28m

Baton Rouge Ryan

Tue 4/15

6:22 pm-10:47 am

3 stops16h 25m

$788

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

Showing 1-10 of 19 results
1
2

Best time to book a flight from Illinois to Baton Rouge

Have a flexible travel schedule? Discover the best time to fly to Baton Rouge from Illinois with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Illinois to Baton Rouge

What is the cheapest month to book a flight from Illinois to Baton Rouge?

Currently, August is the cheapest month in which you can book a flight from Illinois to Baton Rouge (average of $334). Flying from Illinois to Baton Rouge in March is currently the most expensive (average of $455). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IL to BTR?

Find hourly flight availability from Illinois to Baton Rouge. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 28, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Baton Rouge as you normally would.

Rainfall in Baton Rouge by month

Plan your trip to Baton Rouge by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Baton Rouge ranges from 3.4 - 6.0 inches per month. July is typically the wettest month, when rainfall can reach 6.0 in. October is typically the driest time to visit Baton Rouge when rainfall is around 3.4 in.

Temperature in Baton Rouge by month

Plan your trip to Baton Rouge by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Baton Rouge, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

Reviews of airlines servicing Baton Rouge

Get insights into the airlines that provide service to Baton Rouge. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Baton Rouge. Reviews last updated March 28, 2025.
To help decide which airline to fly from Illinois to Baton Rouge, see what other customers have to say about Delta, United Airlines and American Airlines. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,896 reviews

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

8.0

Comfort

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,896 reviews
Delta
8.0
Very good
7,896 reviews

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

8.0

Comfort

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,603 reviews
Delta
8.0
Very good
7,896 reviews

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

8.0

Comfort

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,896 reviews

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

8.0

Comfort

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Illinois to Baton Rouge. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Baton Rouge from Illinois?

    For a flight from Illinois to Baton Rouge, you will be flying into Ryan. Baton Rouge Ryan (BTR) is just 5.8 mi from the center of the city.

  • What are the cheapest airlines to fly from Illinois to Baton Rouge one-way?

    For one-way options, check prices for American Airlines. According to our data, you can fly for as low as $165. Users have also found prices from $179 and $236 on Delta and United Airlines, respectively.

  • What are the most popular routes from Illinois to Baton Rouge?

    The most popular route from Illinois to Baton Rouge is Chicago O'Hare Intl - Baton Rouge Ryan. You may also consider Chicago Midway - Baton Rouge Ryan or Lambert-St Louis - Baton Rouge Ryan.

  • Can I find deals for flights from Illinois to Baton Rouge that include hotel bookings?

    Yes. In addition to deals on Illinois to Baton Rouge flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Illinois to Baton Rouge?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Baton Rouge.

  • Can I find deals for business class flights from Illinois to Baton Rouge?

    Yes. Cheapflights offers flight deals from Illinois to Baton Rouge by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Illinois to Baton Rouge?

    Currently, August is the cheapest month in which you can book a flight from Illinois to Baton Rouge (average of $334). Flying from Illinois to Baton Rouge in March is currently the most expensive (average of $455). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Illinois?

Book flights to Illinois if you plan to visit one of these locations
Denham Springs
Port Allen

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Top 3 airlines flying from Illinois to Baton Rouge

Discover the top 3 airlines that operate flights from Illinois to Baton Rouge. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$247Average$413FlexibilityNo cancel feeOn-time69%
DeltaCheapest$248Average$368FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$248Average$533FlexibilityNo cancel feeOn-time71%
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