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$55+ Cheap flights from Louisiana to Illinois

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 12/4. Fares are subject to change and may not be available on all flights or dates of travel.
MSY — ORD
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Cheap flight deals from Louisiana to Illinois

Keep the following information in mind while searching for Louisiana to Illinois flight deals. Data was last updated October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$112
(Priceline)

One-way from

$55
(Priceline)

Popular in

December

Cheapest in

August

Average price

$218

Good round-trip deal

$243 or less

Good one-way deal

$158 or less
Provider with most accurate pricing for New Orleans Louis Armstrong-Chicago (CHI) flight deals.
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Provider most trusted by Cheapflights users for New Orleans Louis Armstrong-Chicago (CHI) flights.
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From Louisiana to Illinois
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One-way flight from Louisiana to Illinois
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Highest demand for flights based on searches. 12% potential increase in price ($35 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Price to beat on a round-trip flight from Louisiana to Illinois.
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Price to beat on a one-way flight from Louisiana to Illinois.
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Find flight deals from Louisiana to Illinois

Cheapest flights from Louisiana to Illinois
Explore the most affordable flight options available from Louisiana to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

This Mytrip deal was found by Cheapflights users on 10/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/149:40 amMSY - ORD
1 stop10h 47mSpirit Airlines
Tue 11/1810:00 amORD - MSY
Nonstop2h 23mSpirit Airlines
Deal found 10/30$114
This Cheapflightsfares deal was found by Cheapflights users on 10/28. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/142:46 pmMSY - ORD
Nonstop2h 16mSpirit Airlines
Mon 11/1711:02 amORD - MSY
Nonstop2h 21mSpirit Airlines
Deal found 10/28$116
This Priceline deal was found by Cheapflights users on 10/30. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/142:46 pmMSY - ORD
Nonstop2h 16mSpirit Airlines
Sun 11/1611:02 amORD - MSY
Nonstop2h 21mSpirit Airlines
Deal found 10/30$117
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/176:01 pmMSY - ORD
1 stop17h 13mMultiple Airlines
Wed 11/1910:00 amORD - MSY
Nonstop2h 23mMultiple Airlines
Deal found 10/29$118
This Mytrip deal was found by Cheapflights users on 10/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/137:45 pmMSY - STL
1 stop13h 22mFrontier
Mon 11/1710:25 amSTL - MSY
1 stop6h 32mFrontier
Deal found 10/29$119
This Priceline deal was found by Cheapflights users on 10/30. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/146:01 pmMSY - ORD
1 stop6h 10mMultiple Airlines
Sun 11/1611:02 amORD - MSY
Nonstop2h 21mMultiple Airlines
Deal found 10/30$120
This Priceline deal was found by Cheapflights users on 10/30. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/39:48 amMSY - ORD
Nonstop2h 20mMultiple Airlines
Sun 12/76:11 amORD - MSY
1 stop10h 06mMultiple Airlines
Deal found 10/30$124
This Frontier deal was found by Cheapflights users on 10/29. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/111:19 pmMSY - ORD
1 stop10h 53mFrontier
Mon 12/156:11 amORD - MSY
1 stop10h 16mFrontier
Deal found 10/29$127
This Frontier deal was found by Cheapflights users on 10/30. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/55:22 pmMSY - MDW
1 stop4h 50mFrontier
Mon 12/86:15 amMDW - MSY
1 stop10h 12mFrontier
Deal found 10/30$127
This Cheapflightsfares deal was found by Cheapflights users on 10/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/139:40 amMSY - ORD
1 stop10h 47mSpirit Airlines
Mon 11/1711:02 amORD - MSY
Nonstop2h 21mSpirit Airlines
Deal found 10/30$128
This Trip.com deal was found by Cheapflights users on 10/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/181:55 pmMSY - ORD
Nonstop2h 20mSpirit Airlines
Thu 11/205:00 amORD - MSY
1 stop12h 08mSpirit Airlines
Deal found 10/29$130
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/146:01 pmMSY - ORD
1 stop17h 29mMultiple Airlines
Mon 11/175:10 amORD - MSY
1 stop9h 38mMultiple Airlines
Deal found 10/28$131

Cheapflights Fare Finder

 
Customize your flight search to find flights from Louisiana to Illinois 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 October 30, 2025.
Use the filters below to find and compare flights from Louisiana to Illinois that are best for you.

Fly from

Louisiana

Fly to

Illinois

Route

Depart

Return

Price

New OrleansChicago

MSY - MDW

MSYMDW

New Orleans Louis Armstrong

Thu 12/11

4:35 pm-10:12 pm

1 stop5h 37m

Chicago Midway

Mon 12/15

6:15 am-4:27 pm

1 stop10h 12m

$139

New OrleansChicago

MSY - ORD

MSYORD

New Orleans Louis Armstrong

Thu 12/11

10:35 am-1:10 pm

Nonstop2h 35m

Chicago O'Hare Intl

Mon 12/15

7:45 pm-10:21 pm

Nonstop2h 36m

$169

New OrleansChicago

MSY - MDW

MSYMDW

New Orleans Louis Armstrong

Sat 12/13

6:30 am-8:50 am

Nonstop2h 20m

Chicago Midway

Mon 12/15

8:20 pm-10:40 pm

Nonstop2h 20m

$169

New OrleansSt. Louis

MSY - STL

MSYSTL

New Orleans Louis Armstrong

Wed 12/24

5:00 pm-9:40 am

1 stop16h 40m

Lambert-St Louis

Tue 1/6

11:51 am-11:59 pm

1 stop12h 08m

$178

New OrleansChicago

MSY - MDW

MSYMDW

New Orleans Louis Armstrong

Thu 1/15

6:25 am-8:45 am

Nonstop2h 20m

Chicago Midway

Mon 1/19

7:40 am-10:05 am

Nonstop2h 25m

$179

New OrleansChicago

MSY - MDW

MSYMDW

New Orleans Louis Armstrong

Thu 12/11

6:20 am-8:40 am

Nonstop2h 20m

Chicago Midway

Mon 12/15

8:20 pm-10:40 pm

Nonstop2h 20m

$179

New OrleansSt. Louis

MSY - STL

MSYSTL

New Orleans Louis Armstrong

Thu 11/13

9:40 am-5:57 pm

1 stop8h 17m

Lambert-St Louis

Mon 11/17

7:45 pm-6:52 am

2 stops35h 07m

$182

New OrleansChicago

MSY - ORD

MSYORD

New Orleans Louis Armstrong

Wed 11/26

9:48 am-12:08 pm

Nonstop2h 20m

Chicago O'Hare Intl

Mon 12/1

1:03 pm-3:24 pm

Nonstop2h 21m

$188

New OrleansChicago

MSY - ORD

MSYORD

New Orleans Louis Armstrong

Mon 11/24

12:14 pm-5:32 am

1 stop17h 18m

Chicago O'Hare Intl

Wed 11/26

6:35 pm-10:15 am

1 stop15h 40m

$190

New OrleansSt. Louis

MSY - STL

MSYSTL

New Orleans Louis Armstrong

Wed 11/12

3:21 pm-10:12 am

1 stop18h 51m

Lambert-St Louis

Fri 11/14

4:56 pm-6:26 pm

2 stops25h 30m

$195

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

Showing 1-10 of 60 results
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Best time to book a flight from Louisiana to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Louisiana 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 Louisiana to Illinois

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

Currently, March is the cheapest month in which you can book a flight from Louisiana to Illinois (average of $58). Flying from Louisiana to Illinois in January is currently the most expensive (average of $168). 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 LA to IL?

Find hourly flight availability from Louisiana to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 30, 2025.

It’s typically best to fly out from Louisiana to Illinois in the evening. Doing so could potentially save you 48% on the flight price compared to flying in the morning, which is usually more expensive.

What is the cheapest day to fly from Louisiana to Illinois?

Use this chart to determine the cheapest time to fly round-trip from Louisiana to Illinois. Price data was last updated on October 20, 2024.

Travelers seeking maximum savings on their Louisiana to Illinois flight should consider departing on Wednesday evenings when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. 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 Illinois. Reviews last updated October 30, 2025.
See what other customers who have flown with Southwest, Delta, and United Airlines from Louisiana to Illinois have to say. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,243 reviews

Food

7.0

Comfort

8.0

Entertainment

7.5

Crew

8.6

Overall

8.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,243 reviews
Southwest
8.0
Very good
4,243 reviews

Food

7.0

Comfort

8.0

Entertainment

7.5

Crew

8.6

Overall

8.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
7.9
Good
7,998 reviews
Southwest
8.0
Very good
4,243 reviews

Food

7.0

Comfort

8.0

Entertainment

7.5

Crew

8.6

Overall

8.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
8,998 reviews
Southwest
8.0
Very good
4,243 reviews

Food

7.0

Comfort

8.0

Entertainment

7.5

Crew

8.6

Overall

8.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
11,035 reviews
Southwest
8.0
Very good
4,243 reviews

Food

7.0

Comfort

8.0

Entertainment

7.5

Crew

8.6

Overall

8.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Spirit Airlines
6.3
Okay
8,116 reviews
Southwest
8.0
Very good
4,243 reviews

Food

7.0

Comfort

8.0

Entertainment

7.5

Crew

8.6

Overall

8.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

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

  • How long is the flight from Louisiana to Illinois?

    There are many flights that can get you from Louisiana to Illinois in 2h 20m. Fly via United Airlines, Southwest, or Spirit Airlines to get the fastest option. Airlines will cover a distance of 827 mi. All flights are typically nonstop.

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

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $78. United Airlines flights start at $79 while deals on Southwest start at $79 one-way.

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

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

  • How can I find direct flights from Louisiana to Illinois?

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

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

    Yes. Cheapflights offers flight deals from Louisiana to Illinois 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 Louisiana to Illinois?

    Currently, March is the cheapest month in which you can book a flight from Louisiana to Illinois (average of $58). Flying from Louisiana to Illinois in January is currently the most expensive (average of $168). 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

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Alternative routes for Louisiana to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Louisiana to Illinois

Discover the top 5 airlines that operate flights from Louisiana to Illinois. 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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$67Average$185FlexibilityNo cancel feeOn-time65%
United AirlinesCheapest$140Average$465FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$163Average$365FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$185Average$285FlexibilityNo cancel feeOn-time63%
DeltaCheapest$216Average$326FlexibilityNo cancel feeOn-timeN/A

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