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 Frontier, Southwest, or Delta to get the fastest option. Airlines will cover a distance of 827 mi. This flight may include one or multiple stops.

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.

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).

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.

$73+ Flights from Louisiana to Illinois

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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

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Cheap 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 diciembre 16, 2025.

mié. 12/247:00 amMSY - ORD

Nonstop2h 40mUnited Airlines

jue. 1/17:50 pmORD - MSY

Nonstop2h 39mUnited Airlines

Deal found 12/15

$157

mié. 12/246:20 amMSY - MDW

Nonstop2h 20mSouthwest

jue. 1/18:20 pmMDW - MSY

Nonstop2h 20mSouthwest

Deal found 12/15

$157

lun. 12/291:59 pmMSY - ORD

1 stop19h 03mMultiple Airlines

dom. 1/118:36 pmORD - MSY

Nonstop2h 33mMultiple Airlines

Deal found 12/16

$162

mar. 12/235:05 pmMSY - ORD

1 stop5h 19mFrontier

jue. 1/16:00 amORD - MSY

1 stop10h 27mFrontier

Deal found 12/16

$163

mar. 12/235:05 pmMSY - MDW

1 stop5h 07mFrontier

jue. 1/16:12 amMDW - MSY

1 stop10h 15mFrontier

Deal found 12/16

$163

mar. 12/305:05 pmMSY - ORD

1 stop5h 19mMultiple Airlines

mar. 1/63:26 pmORD - MSY

1 stop8h 33mMultiple Airlines

Deal found 12/16

$168

mié. 12/246:15 amMSY - ORD

Nonstop2h 39mAmerican Airlines

jue. 1/17:24 pmORD - MSY

Nonstop2h 45mAmerican Airlines

Deal found 12/16

$175

lun. 12/291:59 pmMSY - ORD

1 stop19h 03mMultiple Airlines

mar. 1/63:26 pmORD - MSY

1 stop8h 33mMultiple Airlines

Deal found 12/16

$177

mié. 12/316:40 amMSY - ORD

1 stop11h 59mSpirit Airlines

mar. 1/63:26 pmORD - MSY

1 stop8h 33mSpirit Airlines

Deal found 12/16

$178

mar. 12/235:05 pmMSY - MDW

1 stop5h 07mFrontier

jue. 12/256:12 amMDW - MSY

1 stop10h 15mFrontier

Deal found 12/16

$187

jue. 12/253:39 pmMSY - ORD

1 stop8h 33mFrontier

dom. 1/46:00 amORD - MSY

1 stop10h 27mFrontier

Deal found 12/16

$188

mié. 12/243:41 pmMSY - MDW

1 stop6h 41mDelta

jue. 1/13:29 pmMDW - MSY

1 stop4h 53mDelta

Deal found 12/15

$197

Best flights from Louisiana to Illinois
Discover carefully curated flight deals from Louisiana to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated diciembre 16, 2025.

jue. 1/88:36 pmMSY - STL

1 stop11h 14mMultiple Airlines

lun. 1/125:11 pmSTL - MSY

1 stop5h 47mMultiple Airlines

Deal found 12/16

$140

vie. 1/1612:52 pmMSY - STL

1 stop9h 42mFrontier

dom. 1/185:11 pmSTL - MSY

1 stop18h 46mFrontier

Deal found 12/15

$160

jue. 2/266:20 amMSY - MDW

Nonstop2h 20mSouthwest

dom. 3/18:00 amMDW - MSY

Nonstop2h 25mSouthwest

Deal found 12/14

$197

mié. 1/143:31 pmMSY - MDW

1 stop6h 36mDelta

mar. 1/2010:48 amMDW - MSY

1 stop5h 32mDelta

Deal found 12/15

$197

mié. 12/243:42 pmMSY - ORD

1 stop5h 44mUnited Airlines

jue. 1/17:50 pmORD - MSY

Nonstop2h 39mUnited Airlines

Deal found 12/15

$202

vie. 12/262:06 pmMSY - RFD

1 stop26h 50mAllegiant Air

dom. 1/47:24 pmRFD - MSY

1 stop18h 47mAllegiant Air

Deal found 12/16

$222

vie. 1/234:36 pmSHV - STL

1 stop6h 36mAmerican Airlines

dom. 1/253:37 pmSTL - SHV

1 stop6h 34mAmerican Airlines

Deal found 12/16

$249

vie. 1/1612:52 pmMSY - STL

1 stop9h 42mMultiple Airlines

mar. 1/205:42 pmSTL - MSY

1 stop25h 59mMultiple Airlines

Deal found 12/15

$143

jue. 1/158:36 pmMSY - STL

1 stop11h 18mMultiple Airlines

mar. 1/205:42 pmSTL - MSY

1 stop25h 59mMultiple Airlines

Deal found 12/15

$143

jue. 1/158:36 pmMSY - STL

1 stop11h 18mMultiple Airlines

lun. 1/198:32 pmSTL - MSY

2 stops24h 57mMultiple Airlines

Deal found 12/15

$153

mar. 12/235:05 pmMSY - MDW

1 stop5h 07mFrontier

jue. 12/256:12 amMDW - MSY

1 stop10h 15mFrontier

Deal found 12/16

$187

sáb. 1/173:31 pmMSY - MDW

1 stop6h 36mDelta

mar. 1/209:32 amMDW - MSY

1 stop6h 37mDelta

Deal found 12/14

$197

mié. 1/147:00 amMSY - STL

1 stop15h 34mMultiple Airlines

lun. 1/195:11 pmSTL - MSY

1 stop26h 30mMultiple Airlines

Deal found 12/15

$155

sáb. 1/106:00 amMSY - MDW

1 stop5h 25mSouthwest

lun. 1/128:25 amMDW - MSY

Nonstop2h 30mSouthwest

Deal found 12/13

$207

jue. 1/153:44 pmMSY - MDW

1 stop6h 35mFrontier

dom. 1/189:13 amMDW - MSY

1 stop5h 25mFrontier

Deal found 12/13

$197

mié. 1/710:35 amMSY - ORD

Nonstop2h 40mUnited Airlines

jue. 1/83:40 pmORD - MSY

Nonstop2h 33mUnited Airlines

Deal found 12/16

$217

mié. 1/147:00 amMSY - STL

1 stop15h 34mMultiple Airlines

mar. 1/205:42 pmSTL - MSY

1 stop25h 59mMultiple Airlines

Deal found 12/15

$155

sáb. 2/285:25 amMSY - MDW

1 stop4h 51mDelta

dom. 3/19:50 amMDW - MSY

1 stop5h 35mDelta

Deal found 12/14

$207

jue. 2/196:00 amSHV - STL

1 stop4h 59mAmerican Airlines

sáb. 2/2111:46 amSTL - SHV

1 stop6h 10mAmerican Airlines

Deal found 12/16

$249

jue. 1/17:00 amMSY - ORD

Nonstop2h 40mUnited Airlines

jue. 1/17:50 pmORD - MSY

Nonstop2h 39mUnited Airlines

Deal found 12/16

$227

sáb. 2/145:25 amMSY - MDW

1 stop4h 41mDelta

dom. 2/1511:01 amMDW - MSY

1 stop7h 00mDelta

Deal found 12/15

$207

jue. 12/255:22 pmMSY - MDW

1 stop4h 50mFrontier

jue. 1/16:12 amMDW - MSY

1 stop10h 15mFrontier

Deal found 12/15

$212

jue. 1/158:36 pmMSY - STL

1 stop11h 18mMultiple Airlines

dom. 1/185:11 pmSTL - MSY

1 stop18h 46mMultiple Airlines

Deal found 12/15

$160

jue. 1/155:51 pmBTR - STL

1 stop5h 48mDelta

dom. 1/187:10 amSTL - BTR

1 stop6h 20mDelta

Deal found 12/14

$209

vie. 2/206:00 amSHV - STL

1 stop4h 59mAmerican Airlines

sáb. 2/2110:04 amSTL - SHV

2 stops7h 52mAmerican Airlines

Deal found 12/15

$254

jue. 1/1512:00 pmMSY - ORD

Nonstop2h 40mUnited Airlines

dom. 1/1810:43 amORD - MSY

Nonstop2h 41mUnited Airlines

Deal found 12/13

$247

jue. 1/158:36 pmMSY - STL

1 stop11h 18mMultiple Airlines

dom. 1/255:42 pmSTL - MSY

2 stops27h 47mMultiple Airlines

Deal found 12/16

$169

dom. 2/15:31 pmBTR - ORD

1 stop5h 56mAmerican Airlines

sáb. 2/73:23 pmORD - BTR

1 stop7h 33mAmerican Airlines

Deal found 12/15

$269

mar. 1/136:08 amLFT - ORD

1 stop4h 51mDelta

sáb. 1/1711:25 amORD - LFT

1 stop4h 53mDelta

Deal found 12/15

$239

jue. 2/266:46 pmMSY - MDW

1 stop23h 52mMultiple Airlines

dom. 3/17:30 amMDW - MSY

1 stop11h 36mMultiple Airlines

Deal found 12/14

$183

Last-minute flights from Louisiana to Illinois
Discover last-minute flight deals from Louisiana to Illinois. Data last updated diciembre 16, 2025 and is based on user searches.

mié. 1/75:05 amMSY - ORD

1 stop9h 16mSpirit Airlines

jue. 1/810:07 amORD - MSY

1 stop8h 40mSpirit Airlines

Deal found 12/16

$129

jue. 1/88:36 pmMSY - STL

1 stop11h 14mMultiple Airlines

lun. 1/128:50 amSTL - MSY

1 stop14h 08mMultiple Airlines

Deal found 12/16

$142

vie. 1/99:17 amMSY - ORD

Nonstop2h 30mSpirit Airlines

lun. 1/128:43 pmORD - MSY

1 stop11h 38mSpirit Airlines

Deal found 12/16

$115

vie. 1/99:17 amMSY - ORD

Nonstop2h 30mSpirit Airlines

dom. 1/118:43 pmORD - MSY

1 stop11h 38mSpirit Airlines

Deal found 12/15

$127

sáb. 1/109:17 amMSY - ORD

Nonstop2h 30mSpirit Airlines

dom. 1/118:43 pmORD - MSY

1 stop11h 38mSpirit Airlines

Deal found 12/15

$117

sáb. 1/106:05 amMSY - ORD

2 stops16h 37mSpirit Airlines

lun. 1/128:36 pmORD - MSY

Nonstop2h 33mSpirit Airlines

Deal found 12/14

$139

dom. 1/118:36 pmMSY - ORD

1 stop21h 16mSpirit Airlines

mar. 1/1312:42 pmORD - MSY

Nonstop2h 27mSpirit Airlines

Deal found 12/15

$130

dom. 1/118:36 pmMSY - ORD

2 stops14h 59mMultiple Airlines

mar. 1/1312:42 pmORD - MSY

Nonstop2h 27mMultiple Airlines

Deal found 12/15

$137

mié. 1/147:00 amMSY - ORD

1 stop10h 52mSpirit Airlines

mar. 1/2010:48 amORD - MSY

1 stop8h 53mSpirit Airlines

Deal found 12/15

$123

mié. 1/147:00 amMSY - STL

1 stop15h 34mMultiple Airlines

mar. 1/205:42 pmSTL - MSY

1 stop25h 59mMultiple Airlines

Deal found 12/16

$140

jue. 1/157:00 amMSY - ORD

1 stop10h 52mSpirit Airlines

lun. 1/198:43 pmORD - MSY

1 stop11h 38mSpirit Airlines

Deal found 12/16

$136

vie. 1/309:17 amMSY - ORD

Nonstop2h 30mSpirit Airlines

vie. 2/68:43 pmORD - MSY

1 stop11h 38mSpirit Airlines

Deal found 12/16

$124

One-way flights from Louisiana to Illinois
Search for one-way flight options from Louisiana to Illinois. Find affordable one-way fares based on user searches. Data last updated diciembre 16, 2025.

jue. 1/158:36 pmMSY - STL

1 stop11h 18mMultiple Airlines

Deal found 12/15

$73

vie. 1/1612:52 pmMSY - STL

1 stop9h 42mFrontier

Deal found 12/15

$75

mié. 1/147:00 amMSY - STL

1 stop15h 34mMultiple Airlines

Deal found 12/15

$80

lun. 1/123:39 pmMSY - MDW

1 stop7h 30mFrontier

Deal found 12/16

$81

mar. 1/65:05 pmMSY - MDW

1 stop5h 12mFrontier

Deal found 12/15

$82

mar. 1/207:00 amMSY - ORD

2 stops16h 46mSpirit Airlines

Deal found 12/15

$84

vie. 1/167:00 amMSY - ORD

1 stop10h 52mSpirit Airlines

Deal found 12/16

$85

vie. 1/308:36 pmMSY - ORD

1 stop23h 05mSpirit Airlines

Deal found 12/15

$86

dom. 1/118:36 pmMSY - MDW

1 stop26h 33mMultiple Airlines

Deal found 12/16

$86

vie. 2/206:20 amMSY - ORD

1 stop10h 52mSpirit Airlines

Deal found 12/16

$87

lun. 2/210:01 amMSY - MDW

1 stop9h 57mFrontier

Deal found 12/16

$87

mar. 1/137:00 amMSY - STL

1 stop15h 34mMultiple Airlines

Deal found 12/15

$87

Find flight deals from Louisiana to Illinois

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$114 (Expedia)
One-way from	$73 (Kiwi.com)
Popular in	December
Cheapest in	August
Average price	$296
Good round-trip deal	$296 or less
Good one-way deal	$177 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

Search Deals

One-way flight from Louisiana to Illinois

Search Deals

Highest demand for flights based on searches. 9% potential increase in price ($25 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($5 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Price to beat on a round-trip flight from Louisiana to Illinois.

Search Deals

Price to beat on a one-way flight from Louisiana to Illinois.

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Louisiana to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

New OrleansSt. Louis

MSY - STL

MSYSTL

New Orleans Louis Armstrong

jue. 1/8

8:36 pm-7:50 am

1 stop11h 14m

Lambert-St Louis

lun. 1/12

5:11 pm-10:58 pm

1 stop5h 47m

$140

New OrleansSt. Louis

MSY - STL

MSYSTL

New Orleans Louis Armstrong

vie. 1/16

12:52 pm-10:34 pm

1 stop9h 42m

Lambert-St Louis

mar. 1/20

5:42 pm-7:41 pm

1 stop25h 59m

$143

New OrleansSt. Louis

MSY - STL

MSYSTL

New Orleans Louis Armstrong

jue. 1/15

8:36 pm-7:54 am

1 stop11h 18m

Lambert-St Louis

mar. 1/20

5:42 pm-7:41 pm

1 stop25h 59m

$143

New OrleansSt. Louis

MSY - STL

MSYSTL

New Orleans Louis Armstrong

jue. 1/15

8:36 pm-7:54 am

1 stop11h 18m

Lambert-St Louis

lun. 1/19

8:32 pm-9:29 pm

2 stops24h 57m

$153

New OrleansSt. Louis

MSY - STL

MSYSTL

New Orleans Louis Armstrong

mié. 1/14

7:00 am-10:34 pm

1 stop15h 34m

Lambert-St Louis

lun. 1/19

5:11 pm-7:41 pm

1 stop26h 30m

$155

New OrleansSt. Louis

MSY - STL

MSYSTL

New Orleans Louis Armstrong

mié. 1/14

7:00 am-10:34 pm

1 stop15h 34m

Lambert-St Louis

mar. 1/20

5:42 pm-7:41 pm

1 stop25h 59m

$155

New OrleansSt. Louis

MSY - STL

MSYSTL

New Orleans Louis Armstrong

vie. 1/16

12:52 pm-10:34 pm

1 stop9h 42m

Lambert-St Louis

dom. 1/18

5:11 pm-11:57 am

1 stop18h 46m

$160

New OrleansSt. Louis

MSY - STL

MSYSTL

New Orleans Louis Armstrong

jue. 1/15

8:36 pm-7:54 am

1 stop11h 18m

Lambert-St Louis

dom. 1/18

5:11 pm-11:57 am

1 stop18h 46m

$160

New OrleansSt. Louis

MSY - STL

MSYSTL

New Orleans Louis Armstrong

jue. 1/15

8:36 pm-7:54 am

1 stop11h 18m

Lambert-St Louis

dom. 1/25

5:42 pm-9:29 pm

2 stops27h 47m

$169

New OrleansChicago

MSY - MDW

MSYMDW

New Orleans Louis Armstrong

jue. 2/26

6:46 pm-6:38 pm

1 stop23h 52m

Chicago Midway

dom. 3/1

7:30 am-7:06 pm

1 stop11h 36m

$183

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

Showing 1-10 of 60 results

...

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, February is the cheapest month in which you can book a flight from Louisiana to Illinois (average of $57). Flying from Louisiana to Illinois in January is currently the most expensive (average of $174). 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?

It’s typically best to fly out from Louisiana to Illinois in the evening. Doing so could potentially save you 51% 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?

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

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

7.9

Good

4,250 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Southwest

7.9

Good

4,250 reviews

Southwest

7.9

Good

4,250 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Delta

7.9

Good

8,008 reviews

Southwest

7.9

Good

4,250 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

United Airlines

7.4

Good

9,092 reviews

Southwest

7.9

Good

4,250 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

American Airlines

7.2

Good

11,049 reviews

Southwest

7.9

Good

4,250 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Spirit Airlines

6.3

Okay

8,186 reviews

Southwest

7.9

Good

4,250 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Related info for your journey

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 Frontier, Southwest, or Delta to get the fastest option. Airlines will cover a distance of 827 mi. This flight may include one or multiple stops.
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, February is the cheapest month in which you can book a flight from Louisiana to Illinois (average of $57). Flying from Louisiana to Illinois in January is currently the most expensive (average of $174). 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

Browse thousands of different options on Cheapflights for your next trip

Louisiana to Illinois flights

Top 5 airlines flying from Louisiana to Illinois

Airline	Cheapest	Average	Flexibility	On-time
Spirit Airlines	Cheapest$64	Average$141	FlexibilityNo cancel fee	On-time65%
United Airlines	Cheapest$138	Average$399	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$162	Average$361	FlexibilityNo cancel fee	On-time71%
Southwest	Cheapest$172	Average$276	FlexibilityNo cancel fee	On-time63%
Delta	Cheapest$248	Average$333	FlexibilityNo cancel fee	On-timeN/A

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$73+ 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 1/15. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Louisiana to Illinois with Cheapflights

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Cheap flight deals from Louisiana to Illinois

Cheapest flights from Louisiana to IllinoisExplore 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 diciembre 16, 2025.

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 diciembre 16, 2025.

Find flight deals from Louisiana to Illinois

Keep the following information in mind while searching for Louisiana to Illinois flight deals. Data was last updated diciembre 16, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Cheapflights Fare Finder

Use the filters below to find and compare flights from Louisiana to Illinois that are best for you.

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.

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?

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 diciembre 16, 2025.

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 December 16, 2024.

Reviews of airlines servicing Illinois

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.

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?

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

How can I find direct flights from Louisiana to Illinois?

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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Louisiana to Illinois

See prices for flight routes from nearby airports that may be better suited for you.

Top 5 airlines flying from Louisiana to Illinois

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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 diciembre 16, 2025.