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Illinois

$68+ 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 10/16. Fares are subject to change and may not be available on all flights or dates of travel.
MSY — ORD
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
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 September 15, 2025.

Round-trip from

$112
(Kiwi.com)

One-way from

$68
(United Airlines)

Popular in

December

Cheapest in

September

Average price

$172

Good round-trip deal

$185 or less

Good one-way deal

$135 or less
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. 16% potential increase in price ($46 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 15, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/12. 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.
Tue 10/145:18 pmMSY - ORD
Nonstop2h 32mSpirit Airlines
Sun 10/197:25 amORD - MSY
Nonstop2h 20mSpirit Airlines
Deal found 9/12$112
This Priceline deal was found by Cheapflights users on 9/14. 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 10/106:27 pmMSY - ORD
1 stop6h 32mMultiple Airlines
Tue 10/149:30 amORD - MSY
Nonstop2h 20mMultiple Airlines
Deal found 9/14$117
This Booking.com deal was found by Cheapflights users on 9/12. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/168:00 pmMSY - ORD
Nonstop2h 26mSpirit Airlines
Tue 10/219:30 amORD - MSY
Nonstop2h 20mSpirit Airlines
Deal found 9/12$118
This Cheapflightsfares deal was found by Cheapflights users on 9/13. 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 10/31:44 pmMSY - ORD
Nonstop2h 34mSpirit Airlines
Mon 10/69:48 amORD - MSY
Nonstop2h 26mSpirit Airlines
Deal found 9/13$119
This Kiwi.com deal was found by Cheapflights users on 9/13. 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.
Tue 11/118:38 pmMSY - ORD
Nonstop2h 27mSpirit Airlines
Sat 11/152:47 pmORD - MSY
Nonstop2h 23mSpirit Airlines
Deal found 9/13$124
This Orbitz deal was found by Cheapflights users on 9/14. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/155:18 pmMSY - ORD
Nonstop2h 32mMultiple Airlines
Sun 10/195:05 amORD - MSY
1 stop11h 32mMultiple Airlines
Deal found 9/14$127
This Priceline deal was found by Cheapflights users on 9/14. 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 10/105:39 pmMSY - ORD
Nonstop2h 32mMultiple Airlines
Sun 10/126:50 amORD - MSY
1 stop6h 26mMultiple Airlines
Deal found 9/14$128
This Cheapflightsfares deal was found by Cheapflights users on 9/13. 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 12/58:38 pmMSY - ORD
Nonstop2h 27mSpirit Airlines
Sun 12/72:47 pmORD - MSY
Nonstop2h 23mSpirit Airlines
Deal found 9/13$129
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 11/148:38 pmMSY - ORD
Nonstop2h 27mSpirit Airlines
Wed 11/192:47 pmORD - MSY
Nonstop2h 23mSpirit Airlines
Deal found 9/13$131
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 10/31:44 pmMSY - ORD
Nonstop2h 34mSpirit Airlines
Fri 10/38:56 pmORD - MSY
1 stop24h 10mSpirit Airlines
Deal found 9/13$132
This Cheapflightsfares deal was found by Cheapflights users on 9/13. 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 10/24:50 pmMSY - ORD
1 stop5h 58mSpirit Airlines
Sun 10/59:48 amORD - MSY
Nonstop2h 26mSpirit Airlines
Deal found 9/13$135
This United Airlines deal was found by Cheapflights users on 9/13. 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.
Sat 10/187:00 amMSY - STL
1 stop7h 27mUnited Airlines
Tue 10/216:15 amSTL - MSY
1 stop4h 33mUnited Airlines
Deal found 9/13$135

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 September 15, 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 OrleansSt. Louis

MSY - STL

MSYSTL

New Orleans Louis Armstrong

Sat 10/18

5:15 am-12:28 pm

2 stops7h 13m

Lambert-St Louis

Tue 10/21

6:15 am-10:48 am

1 stop4h 33m

$140

New OrleansChicago

MSY - ORD

MSYORD

New Orleans Louis Armstrong

Thu 10/16

8:00 pm-10:26 pm

Nonstop2h 26m

Chicago O'Hare Intl

Sat 10/18

11:55 am-6:50 pm

1 stop6h 55m

$143

New OrleansChicago

MSY - MDW

MSYMDW

New Orleans Louis Armstrong

Thu 10/16

5:55 pm-11:46 pm

1 stop5h 51m

Chicago Midway

Sun 10/19

6:20 am-4:37 pm

1 stop10h 17m

$144

New OrleansChicago

MSY - MDW

MSYMDW

New Orleans Louis Armstrong

Fri 10/3

4:52 pm-11:41 pm

1 stop6h 49m

Chicago Midway

Mon 10/6

8:15 am-6:57 pm

1 stop10h 42m

$145

New OrleansChicago

MSY - ORD

MSYORD

New Orleans Louis Armstrong

Fri 10/3

4:52 pm-11:39 pm

1 stop6h 47m

Chicago O'Hare Intl

Sun 10/5

5:10 am-3:50 pm

1 stop10h 40m

$146

New OrleansChicago

MSY - MDW

MSYMDW

New Orleans Louis Armstrong

Wed 10/22

12:25 pm-2:40 pm

Nonstop2h 15m

Chicago Midway

Tue 10/28

7:40 am-9:50 am

Nonstop2h 10m

$157

New OrleansChicago

MSY - ORD

MSYORD

New Orleans Louis Armstrong

Sat 10/18

3:58 pm-6:38 pm

Nonstop2h 40m

Chicago O'Hare Intl

Mon 10/20

7:50 pm-10:20 pm

Nonstop2h 30m

$163

New OrleansChicago

MSY - ORD

MSYORD

New Orleans Louis Armstrong

Tue 10/28

10:08 pm-4:23 pm

2 stops18h 15m

Chicago O'Hare Intl

Tue 11/4

9:30 am-11:50 am

Nonstop2h 20m

$165

New OrleansChicago

MSY - ORD

MSYORD

New Orleans Louis Armstrong

Sat 10/18

5:18 pm-7:50 pm

Nonstop2h 32m

Chicago O'Hare Intl

Sun 10/19

7:25 am-9:45 am

Nonstop2h 20m

$167

New OrleansChicago

MSY - MDW

MSYMDW

New Orleans Louis Armstrong

Fri 12/5

6:20 am-8:40 am

Nonstop2h 20m

Chicago Midway

Sun 12/7

9:30 pm-11:50 pm

Nonstop2h 20m

$169

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

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, August is the cheapest month in which you can book a flight from Louisiana to Illinois (average of $245). Flying from Louisiana to Illinois in March is currently the most expensive (average of $321). 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 September 15, 2025.

When flying from Louisiana to Illinois, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Louisiana to Illinois

Explore weekly flight availability from Louisiana to Illinois. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated September 15, 2025.

The most flights from USLA to USIL are scheduled on a Monday (28 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (10 on average).

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 September 15, 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
4,242 reviews

Boarding

8.1

Entertainment

7.5

Comfort

8.0

Food

7.0

Crew

8.6

Overall

8.0

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
4,242 reviews
Southwest
8.0
Very good
4,242 reviews

Boarding

8.1

Entertainment

7.5

Comfort

8.0

Food

7.0

Crew

8.6

Overall

8.0

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
8.0
Very good
7,954 reviews
Southwest
8.0
Very good
4,242 reviews

Boarding

8.1

Entertainment

7.5

Comfort

8.0

Food

7.0

Crew

8.6

Overall

8.0

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
8,929 reviews
Southwest
8.0
Very good
4,242 reviews

Boarding

8.1

Entertainment

7.5

Comfort

8.0

Food

7.0

Crew

8.6

Overall

8.0

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
10,000 reviews
Southwest
8.0
Very good
4,242 reviews

Boarding

8.1

Entertainment

7.5

Comfort

8.0

Food

7.0

Crew

8.6

Overall

8.0

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
8,015 reviews
Southwest
8.0
Very good
4,242 reviews

Boarding

8.1

Entertainment

7.5

Comfort

8.0

Food

7.0

Crew

8.6

Overall

8.0

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 26m. Fly via United Airlines, Spirit Airlines, or Frontier to get the fastest option. Airlines will cover a distance of 838 mi. This flight may include one or multiple stops.

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

    To fly one-way, consider booking your trip with United Airlines, which is currently one of the cheapest options available, starting at $68. Southwest flights start at $79 while deals on American Airlines start at $100 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, August is the cheapest month in which you can book a flight from Louisiana to Illinois (average of $245). Flying from Louisiana to Illinois in March is currently the most expensive (average of $321). 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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$63Average$185FlexibilityNo cancel feeOn-time65%
United AirlinesCheapest$137Average$520FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$151Average$383FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$188Average$287FlexibilityNo cancel feeOn-time63%
DeltaCheapest$216Average$359FlexibilityNo cancel feeOn-timeN/A

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