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Illinois

$85+ 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 6/5. Fares are subject to change and may not be available on all flights or dates of travel.
MSY — ORD
May 5 — May 121
Mon 5/5
Mon 5/12
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 April 30, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$130
(CheapOair)

One-way from

$85
(FlightHub)

Popular in

December

Cheapest in

September

Average price

$225

Good round-trip deal

$223 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. 16% potential increase in price ($48 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 30, 2025.

This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2911:34 amMSY - ORD
Nonstop2h 32mSpirit Airlines
Sun 6/19:55 amORD - MSY
1 stop9h 15mSpirit Airlines
Deal found 4/28$127
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/711:25 amMSY - MDW
Nonstop2h 20mSouthwest
Sat 6/78:55 pmMDW - MSY
Nonstop2h 15mSouthwest
Deal found 4/29$181
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/207:00 amMSY - ORD
Nonstop2h 40mUnited Airlines
Tue 5/2710:48 amORD - MSY
Nonstop2h 30mUnited Airlines
Deal found 4/28$190
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/912:10 pmMSY - ORD
1 stop11h 22mMultiple Airlines
Tue 5/139:02 pmORD - MSY
1 stop8h 48mMultiple Airlines
Deal found 4/28$191
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 6/71:25 pmMSY - ORD
Nonstop2h 34mAmerican Airlines
Sat 6/75:36 pmORD - MSY
1 stop5h 04mAmerican Airlines
Deal found 4/29$196
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.
Thu 6/126:32 pmMSY - STL
1 stop5h 27mAmerican Airlines
Mon 6/165:29 pmSTL - MSY
1 stop5h 11mAmerican Airlines
Deal found 4/29$199
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 5/244:32 pmBTR - STL
1 stop4h 54mAmerican Airlines
Sat 5/315:19 amSTL - BTR
1 stop4h 42mAmerican Airlines
Deal found 4/28$200
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2911:16 amMSY - MDW
1 stop10h 40mFrontier
Sat 5/312:44 pmMDW - MSY
1 stop27h 37mFrontier
Deal found 4/29$211
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 5/215:25 amMSY - ORD
1 stop4h 38mDelta
Sat 5/245:55 pmORD - MSY
1 stop4h 51mDelta
Deal found 4/28$217
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.
Wed 7/97:25 amMSY - MDW
1 stop4h 28mDelta
Mon 7/219:25 amMDW - MSY
1 stop7h 06mDelta
Deal found 4/29$217
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 7/42:30 pmBTR - ORD
1 stop6h 54mDelta
Tue 7/89:45 amORD - BTR
1 stop6h 09mDelta
Deal found 4/29$224
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.
Fri 5/306:00 pmSHV - ORD
1 stop6h 11mAmerican Airlines
Sun 6/16:00 amORD - SHV
1 stop5h 26mAmerican Airlines
Deal found 4/29$224

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 April 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 - ORD

MSYORD

New Orleans Louis Armstrong

Thu 5/29

11:34 am-2:06 pm

Nonstop2h 32m

Chicago O'Hare Intl

Sun 6/1

9:55 am-7:10 pm

1 stop9h 15m

$127

New OrleansChicago

MSY - ORD

MSYORD

New Orleans Louis Armstrong

Fri 5/23

8:26 pm-12:27 pm

1 stop16h 01m

Chicago O'Hare Intl

Mon 5/26

3:01 pm-5:31 pm

Nonstop2h 30m

$177

New OrleansChicago

MSY - ORD

MSYORD

New Orleans Louis Armstrong

Tue 5/20

7:00 am-9:40 am

Nonstop2h 40m

Chicago O'Hare Intl

Tue 6/3

10:48 am-1:18 pm

Nonstop2h 30m

$180

New OrleansChicago

MSY - ORD

MSYORD

New Orleans Louis Armstrong

Sat 6/7

6:08 am-9:00 am

Nonstop2h 52m

Chicago O'Hare Intl

Tue 6/10

7:05 pm-9:37 pm

Nonstop2h 32m

$181

New OrleansChicago

MSY - MDW

MSYMDW

New Orleans Louis Armstrong

Sat 6/7

6:00 am-8:20 am

Nonstop2h 20m

Chicago Midway

Tue 6/10

8:35 pm-10:50 pm

Nonstop2h 15m

$181

New OrleansSt. Louis

MSY - STL

MSYSTL

New Orleans Louis Armstrong

Thu 6/12

6:32 pm-11:59 pm

1 stop5h 27m

Lambert-St Louis

Mon 6/16

5:29 pm-10:40 pm

1 stop5h 11m

$199

Baton RougeSt. Louis

BTR - STL

BTRSTL

Baton Rouge Ryan

Sat 5/24

4:32 pm-9:26 pm

1 stop4h 54m

Lambert-St Louis

Sat 5/31

5:19 am-10:01 am

1 stop4h 42m

$200

New OrleansChicago

MSY - ORD

MSYORD

New Orleans Louis Armstrong

Fri 5/9

12:10 pm-11:32 pm

1 stop11h 22m

Chicago O'Hare Intl

Sat 5/10

4:15 pm-11:20 am

1 stop19h 05m

$211

New OrleansChicago

MSY - MDW

MSYMDW

New Orleans Louis Armstrong

Thu 5/29

11:16 am-9:56 pm

1 stop10h 40m

Chicago Midway

Sat 5/31

2:44 pm-6:21 pm

1 stop27h 37m

$211

New OrleansChicago

MSY - ORD

MSYORD

New Orleans Louis Armstrong

Wed 5/21

5:25 am-10:03 am

1 stop4h 38m

Chicago O'Hare Intl

Sat 5/24

5:55 pm-10:46 pm

1 stop4h 51m

$217

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 58 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 April 30, 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 April 30, 2025.

The most flights from USLA to USIL are scheduled on a Wednesday (33 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (8 on average).

Rainfall in Illinois by month

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

In terms of precipitation, rainfall in Illinois ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.

Temperature in Illinois by month

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

If weather is an important factor for your trip to Illinois, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

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 April 30, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest and Delta from Louisiana to Illinois. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,968 reviews

Entertainment

7.1

Boarding

8.2

Food

7.1

Crew

8.5

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
9,968 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Entertainment

7.1

Boarding

8.2

Food

7.1

Crew

8.5

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,295 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Entertainment

7.1

Boarding

8.2

Food

7.1

Crew

8.5

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,936 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Entertainment

7.1

Boarding

8.2

Food

7.1

Crew

8.5

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,696 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Entertainment

7.1

Boarding

8.2

Food

7.1

Crew

8.5

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Entertainment

7.1

Boarding

8.2

Food

7.1

Crew

8.5

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

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

    To fly one-way, consider booking your trip with Spirit Airlines, which is currently one of the cheapest options available, starting at $85. United Airlines flights start at $90 while deals on Southwest start at $90 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 6 airlines flying from Louisiana to Illinois

Discover the top 6 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 April 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$48Average$175FlexibilityNo cancel feeOn-time65%
FrontierCheapest$59Average$93FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$153Average$454FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$160Average$379FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$189Average$311FlexibilityNo cancel feeOn-time63%
DeltaCheapest$196Average$367FlexibilityNo cancel feeOn-timeN/A

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