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Cheap flights from Louisville to Illinois from $78

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Louisville to Illinois departing on 5/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Louisville to Illinois

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:06 pm - 9:17 pm
SDF
-
ORD
28h 11m
1 stop
Multiple Airlines Logo
7:15 pm - 9:28 am
ORD
-
SDF
13h 13m
1 stop
$171Multiple Airlines
Fri, May 1 - Sun, May 3
Multiple Airlines Logo
10:33 am - 11:59 pm
SDF
-
ORD
14h 26m
1 stop
Multiple Airlines Logo
5:30 pm - 9:03 am
ORD
-
SDF
14h 33m
1 stop
$194Multiple Airlines
Fri, May 8 - Sat, May 9
Spirit Airlines Logo
6:06 pm - 9:12 pm
SDF
-
ORD
28h 06m
2 stops
Spirit Airlines Logo
7:15 pm - 9:28 am
ORD
-
SDF
13h 13m
1 stop
$210Spirit Airlines
Fri, May 1 - Sun, May 3
Multiple Airlines Logo
7:48 pm - 11:15 pm
SDF
-
ORD
28h 27m
1 stop
Multiple Airlines Logo
5:05 am - 11:34 am
ORD
-
SDF
29h 29m
1 stop
$215Multiple Airlines
Mon, May 11 - Tue, May 19
Southwest Logo
8:55 am - 9:15 am
SDF
-
MDW
1h 20mnonstop
Southwest Logo
12:50 pm - 3:05 pm
MDW
-
SDF
1h 15mnonstop
$257Southwest
Tue, May 5 - Wed, May 6
Southwest Logo
7:15 pm - 7:30 pm
SDF
-
MDW
1h 15mnonstop
Southwest Logo
7:50 am - 10:05 am
MDW
-
SDF
1h 15mnonstop
$264Southwest
Wed, May 6 - Sat, May 9
United Airlines Logo
5:00 am - 9:58 am
SDF
-
MLI
5h 58m
1 stop
United Airlines Logo
7:34 pm - 11:59 pm
MLI
-
SDF
3h 25m
1 stop
$309United Airlines
Sat, Apr 25 - Mon, Apr 27
American Airlines Logo
6:31 am - 12:21 pm
SDF
-
MLI
6h 50m
2 stops
American Airlines Logo
3:48 pm - 11:11 pm
MLI
-
SDF
6h 23m
1 stop
$314American Airlines
Sat, Apr 25 - Mon, Apr 27
United Airlines Logo
9:07 am - 12:27 pm
SDF
-
MLI
4h 20m
1 stop
United Airlines Logo
7:34 pm - 11:59 pm
MLI
-
SDF
3h 25m
1 stop
$319United Airlines
Thu, Apr 16 - Mon, Apr 20
American Airlines Logo
12:00 pm - 5:20 pm
SDF
-
STL
6h 20m
1 stop
American Airlines Logo
6:12 pm - 12:28 am
STL
-
SDF
5h 16m
1 stop
$320American Airlines
Wed, May 27 - Mon, Jun 1

Spirit Airlines flights from Louisville to Illinois

Our best Spirit Airlines deals on Louisville to Illinois flight tickets
Spirit Airlines
May 1
SDF6:06 pmLouisville Intl
28h 06m
2 stops
ORD9:12 pmChicago O'Hare Intl
May 3
ORD7:15 pmChicago O'Hare Intl
13h 13m
1 stop
SDF9:28 amLouisville Intl
$210
Spirit Airlines
May 28
SDF10:33 amLouisville Intl
13h 42m
1 stop
ORD11:15 pmChicago O'Hare Intl
May 31
ORD7:33 pmChicago O'Hare Intl
12h 55m
1 stop
SDF9:28 amLouisville Intl
$237
Spirit Airlines
May 1
SDF6:06 pmLouisville Intl
7h 18m
1 stop
ORD12:24 amChicago O'Hare Intl
May 2
ORD5:05 amChicago O'Hare Intl
10h 59m
1 stop
SDF5:04 pmLouisville Intl
$239

American Airlines flights from Louisville to Illinois

Our best American Airlines deals on Louisville to Illinois flight tickets
American Airlines
May 5
SDF11:16 amLouisville Intl
1h 40m
ORD11:56 amChicago O'Hare Intl
May 6
ORD9:16 pmChicago O'Hare Intl
1h 32m
SDF11:48 pmLouisville Intl
$257
American Airlines
May 5
SDF6:00 amLouisville Intl
1h 40m
ORD6:40 amChicago O'Hare Intl
May 6
ORD3:31 pmChicago O'Hare Intl
6h 00m
1 stop
SDF10:31 pmLouisville Intl
$267
American Airlines
May 23
SDF10:47 amLouisville Intl
1h 43m
ORD11:30 amChicago O'Hare Intl
May 27
ORD11:40 amChicago O'Hare Intl
1h 36m
SDF2:16 pmLouisville Intl
$272

momondo Fare Finder

 
Customize your flight search to find flights from Louisville 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 April 4, 2026.
Use the filters below to find and compare flights from Louisville to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LouisvilleChicago

SDF - ORD

SDFORD

Louisville Intl

Fri 5/1

6:06 pm-9:17 pm

1 stop28h 11m

Chicago O'Hare Intl

Sun 5/3

7:15 pm-9:28 am

1 stop13h 13m

$171

LouisvilleChicago

SDF - ORD

SDFORD

Louisville Intl

Fri 5/8

10:33 am-11:59 pm

1 stop14h 26m

Chicago O'Hare Intl

Sat 5/9

5:30 pm-9:03 am

1 stop14h 33m

$194

LouisvilleChicago

SDF - ORD

SDFORD

Louisville Intl

Fri 5/1

6:06 pm-9:12 pm

2 stops28h 06m

Chicago O'Hare Intl

Sun 5/3

7:15 pm-9:28 am

1 stop13h 13m

$210

LouisvilleChicago

SDF - ORD

SDFORD

Louisville Intl

Mon 5/11

7:48 pm-11:15 pm

1 stop28h 27m

Chicago O'Hare Intl

Tue 5/19

5:05 am-11:34 am

1 stop29h 29m

$215

LouisvilleChicago

SDF - MDW

SDFMDW

Louisville Intl

Tue 5/5

8:55 am-9:15 am

Nonstop1h 20m

Chicago Midway

Wed 5/6

12:50 pm-3:05 pm

Nonstop1h 15m

$257
Quickest round-trip

LouisvilleChicago

SDF - MDW

SDFMDW

Louisville Intl

Wed 5/6

7:15 pm-7:30 pm

Nonstop1h 15m

Chicago Midway

Sat 5/9

7:50 am-10:05 am

Nonstop1h 15m

$264

LouisvilleMoline

SDF - MLI

SDFMLI

Louisville Intl

Sat 4/25

5:00 am-9:58 am

1 stop5h 58m

Moline Quad-City

Mon 4/27

7:34 pm-11:59 pm

1 stop3h 25m

$309

LouisvilleMoline

SDF - MLI

SDFMLI

Louisville Intl

Sat 4/25

6:31 am-12:21 pm

2 stops6h 50m

Moline Quad-City

Mon 4/27

3:48 pm-11:11 pm

1 stop6h 23m

$314

LouisvilleMoline

SDF - MLI

SDFMLI

Louisville Intl

Thu 4/16

9:07 am-12:27 pm

1 stop4h 20m

Moline Quad-City

Mon 4/20

7:34 pm-11:59 pm

1 stop3h 25m

$319

LouisvilleSt. Louis

SDF - STL

SDFSTL

Louisville Intl

Wed 5/27

12:00 pm-5:20 pm

1 stop6h 20m

Lambert-St Louis

Mon 6/1

6:12 pm-12:28 am

1 stop5h 16m

$320

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 Louisville 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 Louisville is in November. Flight prices, which tend to average around $196, 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 November, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $225.

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

The cheapest day to depart from Louisville to Illinois is on a Thursday when prices can be found for as low as $502. Flights from Louisville to Illinois on a Sunday will generally be more expensive and average around $651. 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 morning. Flights from Louisville to Illinois during this time can be as low as $492. Flights at noon are often more expensive with an average ticket price of $874.

What is the cheapest Louisville Intl to Illinois flight route?

Fly from Louisville Intl to Chicago O'Hare Intl for the best Louisville Intl - 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 Louisville when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $276 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Louisville for as low as $141 on momondo.

What cabin class options are available on Louisville Intl to Illinois flights?

There are 4 cabin classes available to choose from on Louisville Intl 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 Louisville to Illinois flights?

You could potentially save up to 60% on your flight if you consider stops on a Louisville to Illinois flight.

Cheap Louisville to Illinois flight deals and tips

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

Best Price Found

$192

Fastest flight time

1h 15m

Direct flights

Every day

Airports in Illinois

98 airports
The best one-way flight to Illinois from Louisville in the past 72 hours is $192. The best round-trip flight deal from Louisville to Illinois found on momondo in the last 72 hours is $379.
The fastest flight from Louisville to Illinois takes 1h 15m
Direct flights go from Louisville to Illinois every day.
There are 98 airports in Illinois. From Louisville there are direct flights to Chicago O'Hare Intl (ORD), Chicago Midway (MDW).
Search flight deals

Frequently asked questions about flying from Louisville to Illinois

  • When did momondo last update prices for flights from Louisville Intl Airport to Illinois?

    Prices for flights from Louisville Intl Airport to Illinois refresh daily.

  • How many operators does momondo search for flights from Louisville Intl Airport to Illinois?

  • How old do you have to be to fly from Louisville Intl Airport 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 Louisville Intl Airport to Illinois.

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

    The travel and health documents you'll need for your trip to Illinois may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Illinois. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

Best airlines flying from Louisville to Illinois

Compare and see reviews for airlines that fly from Louisville to Illinois with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $97Free CancellationRating
7.1
11,555 reviews
Search American Airlines flights
SouthwestPriceFrom $97Free CancellationRating
8.0
4,343 reviews
Search Southwest flights
United AirlinesPriceFrom $114Free CancellationRating
7.4
9,542 reviews
Search United Airlines flights

Why use momondo?

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

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

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

momondo does allow users to show only those flights to Illinois from Louisville which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search for Louisville to Illinois flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Price alerts on flights to Illinois from Louisville are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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