Cheap flights from Louisiana to Illinois from $61

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Louisiana to Illinois departing on 2/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Spirit Airlines Logo
9:17 am - 11:47 am
MSY
-
ORD
2h 30mnonstop
Spirit Airlines Logo
8:55 pm - 11:20 pm
ORD
-
MSY
2h 25mnonstop
$86Spirit Airlines
Sat, Apr 11 - Mon, Apr 13
Frontier Logo
9:48 am - 12:27 pm
MSY
-
ORD
2h 39mnonstop
Frontier Logo
6:00 am - 8:33 am
ORD
-
MSY
2h 33mnonstop
$89Frontier
Sat, Feb 21 - Sun, Feb 22
Frontier Logo
9:48 am - 12:27 pm
MSY
-
ORD
2h 39mnonstop
Frontier Logo
6:00 am - 8:33 am
ORD
-
MSY
2h 33mnonstop
$90Frontier
Sat, Feb 14 - Sun, Feb 22
Southwest Logo
6:45 am - 9:05 am
MSY
-
MDW
2h 20mnonstop
Southwest Logo
7:50 pm - 10:15 pm
MDW
-
MSY
2h 25mnonstop
$157Southwest
Tue, Mar 3 - Wed, Mar 4
Delta Logo
5:38 pm - 11:36 pm
SHV
-
STL
5h 58m
1 stop
Delta Logo
10:11 am - 4:53 pm
STL
-
SHV
6h 42m
1 stop
$249Delta
Fri, Feb 20 - Sat, Feb 21
Delta Logo
8:30 am - 3:21 pm
SHV
-
MDW
6h 51m
1 stop
Delta Logo
4:13 pm - 10:17 pm
MDW
-
SHV
6h 04m
1 stop
$251Delta
Sat, Feb 21 - Sat, Feb 28
American Airlines Logo
12:20 pm - 4:14 pm
SHV
-
STL
3h 54m
1 stop
American Airlines Logo
5:12 am - 9:43 am
STL
-
SHV
4h 31m
1 stop
$259American Airlines
Wed, Feb 11 - Sun, Feb 15
American Airlines Logo
8:11 pm - 12:55 am
BTR
-
ORD
4h 44m
1 stop
American Airlines Logo
8:10 am - 3:53 pm
ORD
-
BTR
7h 43m
1 stop
$274American Airlines
Fri, Feb 13 - Mon, Feb 16
United Airlines Logo
9:30 am - 11:59 pm
SHV
-
STL
14h 29m
2 stops
United Airlines Logo
6:00 am - 1:10 pm
STL
-
SHV
7h 10m
1 stop
$324United Airlines
Wed, Feb 11 - Sun, Feb 15
United Airlines Logo
6:07 pm - 12:26 am
BTR
-
ORD
6h 19m
1 stop
United Airlines Logo
2:00 pm - 9:32 pm
ORD
-
BTR
7h 32m
1 stop
$339United Airlines
Thu, Feb 19 - Wed, Feb 25

Spirit Airlines flights from Louisiana to Illinois

Our best Spirit Airlines deals on Louisiana to Illinois flight tickets
Spirit Airlines
Apr 11
MSY9:17 amNew Orleans Louis Armstrong
2h 30m
ORD11:47 amChicago O'Hare Intl
Apr 13
ORD8:55 pmChicago O'Hare Intl
2h 25m
MSY11:20 pmNew Orleans Louis Armstrong
$86
Spirit Airlines
Feb 25
MSY9:17 amNew Orleans Louis Armstrong
2h 30m
ORD11:47 amChicago O'Hare Intl
Mar 3
ORD8:16 pmChicago O'Hare Intl
12h 05m
1 stop
MSY8:21 amNew Orleans Louis Armstrong
$94
Spirit Airlines
Feb 14
MSY10:15 amNew Orleans Louis Armstrong
10h 58m
1 stop
ORD9:13 pmChicago O'Hare Intl
Feb 21
ORD8:42 pmChicago O'Hare Intl
2h 33m
MSY11:15 pmNew Orleans Louis Armstrong
$95

Frontier flights from Louisiana to Illinois

Our best Frontier deals on Louisiana to Illinois flight tickets
Frontier
Feb 21
MSY9:48 amNew Orleans Louis Armstrong
2h 39m
ORD12:27 pmChicago O'Hare Intl
Feb 22
ORD6:00 amChicago O'Hare Intl
2h 33m
MSY8:33 amNew Orleans Louis Armstrong
$89
Frontier
Feb 14
MSY9:48 amNew Orleans Louis Armstrong
2h 39m
ORD12:27 pmChicago O'Hare Intl
Feb 22
ORD6:00 amChicago O'Hare Intl
2h 33m
MSY8:33 amNew Orleans Louis Armstrong
$90
Frontier
Feb 12
MSY12:28 pmNew Orleans Louis Armstrong
2h 39m
ORD3:07 pmChicago O'Hare Intl
Feb 18
ORD6:20 amChicago O'Hare Intl
2h 33m
MSY8:53 amNew Orleans Louis Armstrong
$105

momondo 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, momondo users made 832,500 searches. Data last updated January 29, 2026.
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 OrleansChicago

MSY - ORD

MSYORD

New Orleans Louis Armstrong

Sat 4/11

9:17 am-11:47 am

Nonstop2h 30m

Chicago O'Hare Intl

Mon 4/13

8:55 pm-11:20 pm

Nonstop2h 25m

$86

New OrleansChicago

MSY - ORD

MSYORD

New Orleans Louis Armstrong

Sat 2/21

9:48 am-12:27 pm

Nonstop2h 39m

Chicago O'Hare Intl

Sun 2/22

6:00 am-8:33 am

Nonstop2h 33m

$89

New OrleansChicago

MSY - ORD

MSYORD

New Orleans Louis Armstrong

Sat 2/14

9:48 am-12:27 pm

Nonstop2h 39m

Chicago O'Hare Intl

Sun 2/22

6:00 am-8:33 am

Nonstop2h 33m

$90

New OrleansChicago

MSY - MDW

MSYMDW

New Orleans Louis Armstrong

Tue 3/3

6:45 am-9:05 am

Nonstop2h 20m

Chicago Midway

Wed 3/4

7:50 pm-10:15 pm

Nonstop2h 25m

$157

ShreveportSt. Louis

SHV - STL

SHVSTL

Shreveport

Fri 2/20

5:38 pm-11:36 pm

1 stop5h 58m

Lambert-St Louis

Sat 2/21

10:11 am-4:53 pm

1 stop6h 42m

$249

ShreveportChicago

SHV - MDW

SHVMDW

Shreveport

Sat 2/21

8:30 am-3:21 pm

1 stop6h 51m

Chicago Midway

Sat 2/28

4:13 pm-10:17 pm

1 stop6h 04m

$251

ShreveportSt. Louis

SHV - STL

SHVSTL

Shreveport

Wed 2/11

12:20 pm-4:14 pm

1 stop3h 54m

Lambert-St Louis

Sun 2/15

5:12 am-9:43 am

1 stop4h 31m

$259

Baton RougeChicago

BTR - ORD

BTRORD

Baton Rouge Ryan

Fri 2/13

8:11 pm-12:55 am

1 stop4h 44m

Chicago O'Hare Intl

Mon 2/16

8:10 am-3:53 pm

1 stop7h 43m

$274

ShreveportSt. Louis

SHV - STL

SHVSTL

Shreveport

Wed 2/11

9:30 am-11:59 pm

2 stops14h 29m

Lambert-St Louis

Sun 2/15

6:00 am-1:10 pm

1 stop7h 10m

$324

Baton RougeChicago

BTR - ORD

BTRORD

Baton Rouge Ryan

Thu 2/19

6:07 pm-12:26 am

1 stop6h 19m

Chicago O'Hare Intl

Wed 2/25

2:00 pm-9:32 pm

1 stop7h 32m

$339

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Illinois from

How to get the cheapest flight ticket from Louisiana to Illinois

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Illinois?

The cheapest month to fly to Illinois from Louisiana is in August. Flight prices, which tend to average around $197, are often lower during this time because this is during the off-season. If you aren’t able to travel to Illinois during the month of August, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $204.

What is the cheapest day to depart on your flight to Illinois?

The cheapest day to depart from Louisiana to Illinois is on a Friday when prices can be found for as low as $315. Flights from Louisiana to Illinois on a Tuesday will generally be more expensive and average around $755. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Illinois?

Our most recent data shows that the best time of day to fly to Illinois is in the evening. Flights from Louisiana to Illinois during this time can be as low as $128. Flights at noon are often more expensive with an average ticket price of $662.

What is the cheapest Louisiana to Illinois flight route?

Fly from New Orleans Louis Armstrong to Chicago O'Hare Intl for the best Louisiana - Illinois flight prices

How far in advance should I book a flight to Illinois?

You are more likely to see cheaper flights to Illinois from Louisiana when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $236 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Louisiana for as low as $199 on momondo.

What cabin class options are available on Louisiana to Illinois flights?

There are 4 cabin classes available to choose from on Louisiana to Illinois flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Louisiana to Illinois flights?

No. A direct flight is the cheapest option for a flight between Louisiana to Illinois.

Cheap Louisiana to Illinois flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Louisiana to Illinois

Best Price Found

$159

Fastest flight time

1h 45m

Direct flights

Every day

Airports in Illinois

98 airports
The best one-way flight to Illinois from Louisiana in the past 72 hours is $159. The best round-trip flight deal from Louisiana to Illinois found on momondo in the last 72 hours is $271.
The fastest flight from Louisiana to Illinois takes 1h 45m
Direct flights go from Louisiana to Illinois every day.
There are 98 airports in Illinois. From Louisiana there are direct flights to Chicago Midway (MDW), Lambert-St Louis (STL).
  • When did momondo last update prices for flights from Louisiana to Illinois?

    Prices for flights from Louisiana to Illinois are updated daily.

  • How many operators does momondo search for flights from Louisiana to Illinois?

  • How old do you have to be to fly from Louisiana to Illinois?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Louisiana to Illinois.

  • What documentation or ID do you need to fly to Illinois?

    The necessary travel and health documents for your Illinois trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Louisiana to Illinois?

Best airlines flying from Louisiana to Illinois

Compare and see reviews for airlines that fly from Louisiana to Illinois with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $60Free CancellationRating
6.3
8,393 reviews
Search Spirit Airlines flights
United AirlinesPriceFrom $131Free CancellationRating
7.4
9,215 reviews
Search United Airlines flights
American AirlinesPriceFrom $159Free CancellationRating
7.2
11,205 reviews
Search American Airlines flights
SouthwestPriceFrom $173Free CancellationRating
8.0
4,267 reviews
Search Southwest flights
DeltaPriceFrom $244Free CancellationRating
7.9
8,128 reviews
Search Delta flights

Why use momondo?

Why should I use momondo to find a flight deal from Louisiana to Illinois?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Louisiana to Illinois. momondo saves you time and could save you money on your trip.

Can I find flights from Louisiana to Illinois with flexible booking policies on momondo?

All flight searches from Louisiana to Illinois on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Louisiana to Illinois?

momondo provides multiple filters to help you find the best flight to Illinois from Louisiana. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Louisiana to Illinois right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Louisiana to Illinois flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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1 adult
Sat 2/28
Sat 3/7

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