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Baton Rouge

$169+ 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 7/4. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BTR
May 5 — May 121
Mon 5/5
Mon 5/12
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 April 30, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$233
(Delta)

One-way from

$169
(American Airlines)

Popular in

November

Cheapest in

September

Average price

$296
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. 16% potential increase in price ($72 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 30, 2025.

This Delta deal was found by Cheapflights users on 4/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/216:00 amSTL - BTR
1 stop7h 08mDelta
Sat 5/244:37 pmBTR - STL
1 stop4h 02mDelta
Deal found 4/28$233
This Delta deal was found by Cheapflights users on 4/29. 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 6/144:26 pmMDW - BTR
1 stop6h 00mDelta
Sat 6/215:00 pmBTR - MDW
1 stop4h 45mDelta
Deal found 4/29$249
This Delta deal was found by Cheapflights users on 4/29. 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.
Fri 6/137:10 amORD - BTR
1 stop7h 26mDelta
Fri 6/203:21 pmBTR - ORD
1 stop6h 03mDelta
Deal found 4/29$249
This American Airlines deal was found by Cheapflights users on 4/29. 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.
Tue 5/275:19 amSTL - BTR
1 stop4h 42mAmerican Airlines
Tue 6/34:32 pmBTR - STL
1 stop4h 54mAmerican Airlines
Deal found 4/29$249
This American Airlines deal was found by Cheapflights users on 4/29. 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 6/146:25 pmORD - BTR
1 stop5h 19mAmerican Airlines
Sat 6/2110:48 amBTR - ORD
1 stop6h 23mAmerican Airlines
Deal found 4/29$250
This United Airlines deal was found by Cheapflights users on 4/29. 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.
Thu 10/168:27 amSTL - BTR
1 stop6h 53mUnited Airlines
Tue 10/212:05 pmBTR - STL
1 stop4h 59mUnited Airlines
Deal found 4/29$319
This United Airlines deal was found by Cheapflights users on 4/29. 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 6/66:00 amORD - BTR
1 stop5h 24mUnited Airlines
Sun 6/86:58 pmBTR - ORD
1 stop5h 15mUnited Airlines
Deal found 4/29$349
This United Airlines deal was found by Cheapflights users on 4/29. 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.
Tue 5/66:55 amPIA - BTR
2 stops8h 57mUnited Airlines
Sat 5/105:05 amBTR - PIA
2 stops8h 56mUnited Airlines
Deal found 4/29$389
This American Airlines deal was found by Cheapflights users on 4/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/411:26 amEVV - BTR
1 stop6h 34mAmerican Airlines
Mon 10/64:31 pmBTR - EVV
1 stop6h 13mAmerican Airlines
Deal found 4/28$402
This American Airlines deal was found by Cheapflights users on 4/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/236:30 amMLI - BTR
1 stop7h 19mAmerican Airlines
Mon 5/264:32 pmBTR - MLI
1 stop5h 42mAmerican Airlines
Deal found 4/28$422
This Delta deal was found by Cheapflights users on 4/29. 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.
Tue 5/66:05 amBMI - BTR
1 stop6h 48mDelta
Sat 5/104:37 pmBTR - BMI
1 stop6h 10mDelta
Deal found 4/29$469
This American Airlines deal was found by Cheapflights users on 4/29. 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.
Tue 5/66:52 amBMI - BTR
1 stop6h 57mAmerican Airlines
Sat 5/105:30 amBTR - BMI
2 stops10h 19mAmerican Airlines
Deal found 4/29$474

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 April 30, 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

St. LouisBaton Rouge

STL - BTR

STLBTR

Lambert-St Louis

Wed 5/21

6:00 am-1:08 pm

1 stop7h 08m

Baton Rouge Ryan

Sat 5/24

4:37 pm-8:39 pm

1 stop4h 02m

$233

St. LouisBaton Rouge

STL - BTR

STLBTR

Lambert-St Louis

Tue 5/27

5:19 am-10:01 am

1 stop4h 42m

Baton Rouge Ryan

Tue 6/3

4:32 pm-9:26 pm

1 stop4h 54m

$249

ChicagoBaton Rouge

MDW - BTR

MDWBTR

Chicago Midway

Sat 6/14

4:26 pm-10:26 pm

1 stop6h 00m

Baton Rouge Ryan

Sat 6/21

5:00 pm-9:45 pm

1 stop4h 45m

$249

ChicagoBaton Rouge

ORD - BTR

ORDBTR

Chicago O'Hare Intl

Fri 6/13

7:10 am-2:36 pm

1 stop7h 26m

Baton Rouge Ryan

Fri 6/20

3:21 pm-9:24 pm

1 stop6h 03m

$249

ChicagoBaton Rouge

ORD - BTR

ORDBTR

Chicago O'Hare Intl

Sat 6/14

6:25 pm-11:44 pm

1 stop5h 19m

Baton Rouge Ryan

Sat 6/21

10:48 am-5:11 pm

1 stop6h 23m

$250

ChicagoBaton Rouge

ORD - BTR

ORDBTR

Chicago O'Hare Intl

Tue 5/13

3:52 pm-9:48 pm

1 stop5h 56m

Baton Rouge Ryan

Tue 5/20

5:05 am-10:11 am

1 stop5h 06m

$324

MolineBaton Rouge

MLI - BTR

MLIBTR

Moline Quad-City

Fri 5/23

6:30 am-1:49 pm

1 stop7h 19m

Baton Rouge Ryan

Mon 5/26

4:32 pm-10:14 pm

1 stop5h 42m

$422

PeoriaBaton Rouge

PIA - BTR

PIABTR

Greater Peoria

Wed 6/4

6:45 am-3:27 pm

2 stops8h 42m

Baton Rouge Ryan

Sun 6/8

6:58 pm-3:18 pm

2 stops20h 20m

$433

St. LouisBaton Rouge

STL - BTR

STLBTR

Lambert-St Louis

Wed 5/14

8:30 am-1:18 pm

1 stop4h 48m

Baton Rouge Ryan

Sun 5/18

5:05 am-9:56 am

1 stop4h 51m

$458

MolineBaton Rouge

MLI - BTR

MLIBTR

Moline Quad-City

Fri 5/23

5:40 pm-9:07 pm

2 stops27h 27m

Baton Rouge Ryan

Mon 5/26

6:58 pm-9:27 pm

2 stops26h 29m

$543

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 18 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 April 30, 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 April 30, 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
7,936 reviews

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Comfort

7.9

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
7,936 reviews
Delta
8.0
Very good
7,936 reviews

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Comfort

7.9

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
8,696 reviews
Delta
8.0
Very good
7,936 reviews

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Comfort

7.9

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
7,936 reviews

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Comfort

7.9

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 $169. Users have also found prices from $201 and $294 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 Moline Quad-City - 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
McComb
Denham Springs
Port Allen

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Alternative routes for Illinois to Baton Rouge

See prices for flight routes from nearby airports that may be better suited for you.
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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 April 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$228Average$368FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$248Average$530FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$261Average$435FlexibilityNo cancel feeOn-time69%

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