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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 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BTR
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$249
(American Airlines)

One-way from

$169
(Delta)

Popular in

November

Cheapest in

September

Average price

$378
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. 17% potential increase in price ($80 potential increase over avg. RT price).
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Cheapest flight prices on average. 8% potential price decrease ($28 potential savings vs. average RT price).
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Average for round-trip flights in February 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 February 20, 2025.

This American Airlines deal was found by Cheapflights users on 2/19. 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 3/154:40 pmORD - BTR
1 stop5h 19mAmerican Airlines
Fri 3/217:22 amBTR - ORD
1 stop7h 02mAmerican Airlines
Deal found 2/19$248
This American Airlines deal was found by Cheapflights users on 2/19. 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.
Thu 3/65:10 amSTL - BTR
1 stop4h 21mAmerican Airlines
Mon 3/104:45 pmBTR - STL
1 stop7h 11mAmerican Airlines
Deal found 2/19$259
This United Airlines deal was found by Cheapflights users on 2/19. 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 3/54:30 pmSTL - BTR
1 stop4h 59mUnited Airlines
Sun 3/95:06 amBTR - STL
1 stop4h 45mUnited Airlines
Deal found 2/19$317
This Delta deal was found by Cheapflights users on 2/18. 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 3/314:45 pmSTL - BTR
1 stop5h 37mDelta
Thu 4/37:35 amBTR - STL
1 stop4h 21mDelta
Deal found 2/18$318
This Delta deal was found by Cheapflights users on 2/19. 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 8/186:01 amBMI - BTR
1 stop6h 44mDelta
Mon 8/253:20 pmBTR - BMI
1 stop7h 03mDelta
Deal found 2/19$369
This Delta deal was found by Cheapflights users on 2/19. 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 4/234:59 pmMDW - BTR
1 stop5h 23mDelta
Mon 4/285:45 pmBTR - MDW
1 stop4h 41mDelta
Deal found 2/19$379
This United deal was found by Cheapflights users on 2/19. 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.
Mon 4/147:10 amORD - BTR
2 stops12h 13mUnited Airlines
Sat 4/195:00 amBTR - ORD
1 stop5h 11mUnited Airlines
Deal found 2/19$384
This Delta deal was found by Cheapflights users on 2/18. 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 3/115:45 amORD - BTR
1 stop7h 38mDelta
Fri 3/145:45 pmBTR - ORD
1 stop6h 11mDelta
Deal found 2/18$428
This United Airlines deal was found by Cheapflights users on 2/19. 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 4/166:30 amMLI - BTR
2 stops10h 22mUnited Airlines
Sat 4/195:00 amBTR - MLI
2 stops10h 11mUnited Airlines
Deal found 2/19$455
This American Airlines deal was found by Cheapflights users on 2/19. 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.
Mon 8/184:43 pmBMI - BTR
2 stops6h 57mAmerican Airlines
Mon 8/259:53 amBTR - BMI
1 stop4h 28mAmerican Airlines
Deal found 2/19$514
This American Airlines deal was found by Cheapflights users on 2/18. 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.
Mon 5/194:17 pmPIA - BTR
1 stop5h 39mAmerican Airlines
Mon 5/264:32 pmBTR - PIA
1 stop7h 25mAmerican Airlines
Deal found 2/18$577
This United Airlines deal was found by Cheapflights users on 2/18. 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 5/135:25 pmPIA - BTR
2 stops26h 16mUnited Airlines
Mon 5/199:30 pmBTR - PIA
2 stops24h 03mUnited Airlines
Deal found 2/18$608

Find flights from Illinois to Baton Rouge within your budget

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 February 20, 2025.

Fly from

Illinois

Fly to

Baton Rouge

Route

Depart

Return

Price

ChicagoBaton Rouge

ORD - BTR

ORDBTR

Chicago O'Hare Intl

Sat 3/15

4:40 pm-9:59 pm

1 stop5h 19m

Baton Rouge Ryan

Fri 3/21

7:22 am-2:24 pm

1 stop7h 02m

$248

St. LouisBaton Rouge

STL - BTR

STLBTR

Lambert-St Louis

Thu 3/6

5:10 am-9:31 am

1 stop4h 21m

Baton Rouge Ryan

Mon 3/10

4:45 pm-11:56 pm

1 stop7h 11m

$259

St. LouisBaton Rouge

STL - BTR

STLBTR

Lambert-St Louis

Wed 3/5

4:30 pm-9:29 pm

1 stop4h 59m

Baton Rouge Ryan

Sun 3/9

5:06 am-9:51 am

1 stop4h 45m

$317

St. LouisBaton Rouge

STL - BTR

STLBTR

Lambert-St Louis

Mon 3/31

4:45 pm-10:22 pm

1 stop5h 37m

Baton Rouge Ryan

Thu 4/3

7:35 am-11:56 am

1 stop4h 21m

$318

ChicagoBaton Rouge

MDW - BTR

MDWBTR

Chicago Midway

Wed 4/23

4:59 pm-10:22 pm

1 stop5h 23m

Baton Rouge Ryan

Mon 4/28

5:45 pm-10:26 pm

1 stop4h 41m

$379

ChicagoBaton Rouge

ORD - BTR

ORDBTR

Chicago O'Hare Intl

Mon 4/14

7:10 am-7:23 pm

2 stops12h 13m

Baton Rouge Ryan

Sat 4/19

5:00 am-10:11 am

1 stop5h 11m

$384

ChicagoBaton Rouge

ORD - BTR

ORDBTR

Chicago O'Hare Intl

Tue 3/11

5:45 am-1:23 pm

1 stop7h 38m

Baton Rouge Ryan

Fri 3/14

5:45 pm-11:56 pm

1 stop6h 11m

$428

MolineBaton Rouge

MLI - BTR

MLIBTR

Moline Quad-City

Wed 4/16

6:30 am-4:52 pm

2 stops10h 22m

Baton Rouge Ryan

Sat 4/19

5:00 am-3:11 pm

2 stops10h 11m

$455

SpringfieldBaton Rouge

SPI - BTR

SPIBTR

Springfield Capital

Thu 3/6

11:22 am-10:47 pm

2 stops11h 25m

Baton Rouge Ryan

Mon 3/10

7:22 am-6:07 pm

2 stops10h 45m

$567

PeoriaBaton Rouge

PIA - BTR

PIABTR

Greater Peoria

Mon 5/19

4:17 pm-9:56 pm

1 stop5h 39m

Baton Rouge Ryan

Mon 5/26

4:32 pm-11:57 pm

1 stop7h 25m

$577

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 17 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.

Travel insights for flights from Illinois to Baton Rouge

Get recent, data-driven insights about flights from Illinois to Baton Rouge including ideal travel times, pricing trends, and more.

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 February 20, 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 February 20, 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
8,220 reviews

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.5

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
8,220 reviews
Delta
8.0
Very good
8,220 reviews

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.5

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
8,766 reviews
Delta
8.0
Very good
8,220 reviews

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.5

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
8,220 reviews

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.5

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 Delta. According to our data, you can fly for as low as $169. Users have also found prices from $169 and $273 on American Airlines 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 Greater Peoria - 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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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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$247Average$413FlexibilityNo cancel feeOn-time69%
DeltaCheapest$248Average$454FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$248Average$509FlexibilityNo cancel feeOn-time71%
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