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Cheap flights from Illinois to Louisville from $103

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Louisville departing on 9/2. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Illinois to Louisville

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
8:05 am - 8:20 pm
ORD
-
SDF
11h 15m
1 stop
Multiple Airlines Logo
9:10 pm - 12:50 pm
SDF
-
ORD
16h 40m
1 stop
$193Multiple Airlines
Fri, Aug 14 - Mon, Aug 17
Multiple Airlines Logo
8:05 am - 8:20 pm
ORD
-
SDF
11h 15m
1 stop
Multiple Airlines Logo
9:10 pm - 12:50 pm
SDF
-
ORD
16h 40m
1 stop
$204Multiple Airlines
Fri, Aug 14 - Mon, Aug 17
American Airlines Logo
8:00 am - 10:33 am
ORD
-
SDF
1h 33mnonstop
American Airlines Logo
6:48 am - 7:35 am
SDF
-
ORD
1h 47mnonstop
$223American Airlines
Sat, Jul 25 - Tue, Jul 28
Southwest Logo
3:15 pm - 5:25 pm
MDW
-
SDF
1h 10mnonstop
Southwest Logo
9:00 am - 9:15 am
SDF
-
MDW
1h 15mnonstop
$223Southwest
Sat, Aug 15 - Sat, Aug 22
American Airlines Logo
7:15 am - 9:45 am
ORD
-
SDF
1h 30mnonstop
American Airlines Logo
6:28 am - 7:15 am
SDF
-
ORD
1h 47mnonstop
$224American Airlines
Sat, Aug 15 - Sat, Aug 22
Southwest Logo
8:00 am - 10:25 am
MDW
-
SDF
1h 25mnonstop
Southwest Logo
2:15 pm - 2:30 pm
SDF
-
MDW
1h 15mnonstop
$225Southwest
Thu, Aug 13 - Thu, Aug 20
United Airlines Logo
5:59 pm - 8:36 pm
ORD
-
SDF
1h 37mnonstop
United Airlines Logo
5:45 pm - 6:36 pm
SDF
-
ORD
1h 51mnonstop
$235United Airlines
Mon, Aug 17 - Tue, Aug 18
Delta Logo
2:31 pm - 9:12 pm
ORD
-
SDF
5h 41m
1 stop
Delta Logo
2:22 pm - 6:29 pm
SDF
-
ORD
5h 07m
1 stop
$243Delta
Sat, Jul 25 - Tue, Jul 28
Delta Logo
9:19 am - 4:47 pm
MDW
-
SDF
6h 28m
1 stop
Delta Logo
2:22 pm - 6:25 pm
SDF
-
MDW
5h 03m
1 stop
$243Delta
Sat, Jul 25 - Tue, Jul 28
United Airlines Logo
7:05 pm - 11:59 pm
STL
-
SDF
3h 54m
1 stop
United Airlines Logo
10:04 am - 3:46 pm
SDF
-
STL
6h 42m
1 stop
$261United Airlines
Tue, Jul 21 - Tue, Jul 28

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Southwest flights from Illinois to Louisville

Our best Southwest deals on Illinois to Louisville flight tickets
Southwest
Aug 15
MDW3:15 pmChicago Midway
1h 10m
SDF5:25 pmLouisville Intl
Aug 22
SDF9:00 amLouisville Intl
1h 15m
MDW9:15 amChicago Midway
$223
Southwest
Aug 13
MDW8:00 amChicago Midway
1h 25m
SDF10:25 amLouisville Intl
Aug 20
SDF2:15 pmLouisville Intl
1h 15m
MDW2:30 pmChicago Midway
$225
Southwest
Aug 15
MDW6:05 amChicago Midway
8h 05m
1 stop
SDF3:10 pmLouisville Intl
Aug 22
SDF4:55 pmLouisville Intl
1h 20m
MDW5:15 pmChicago Midway
$233

Delta flights from Illinois to Louisville

Our best Delta deals on Illinois to Louisville flight tickets
Delta
Jul 25
MDW9:19 amChicago Midway
6h 28m
1 stop
SDF4:47 pmLouisville Intl
Jul 28
SDF2:22 pmLouisville Intl
5h 03m
1 stop
MDW6:25 pmChicago Midway
$243
Delta
Oct 3
ORD8:55 amChicago O'Hare Intl
6h 49m
1 stop
SDF4:44 pmLouisville Intl
Nov 2
SDF2:31 pmLouisville Intl
4h 54m
1 stop
ORD6:25 pmChicago O'Hare Intl
$244
Delta
Aug 13
ORD1:59 pmChicago O'Hare Intl
6h 20m
1 stop
SDF9:19 pmLouisville Intl
Aug 20
SDF5:25 pmLouisville Intl
4h 05m
1 stop
ORD8:30 pmChicago O'Hare Intl
$245

momondo Fare Finder

 
Customize your flight search to find flights from Illinois to Louisville 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 July 3, 2026.
Use the filters below to find and compare flights from Illinois to Louisville that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoLouisville

ORD - SDF

ORDSDF

Chicago O'Hare Intl

Fri 8/14

8:05 am-8:20 pm

1 stop11h 15m

Louisville Intl

Mon 8/17

9:10 pm-12:50 pm

1 stop16h 40m

$193

ChicagoLouisville

ORD - SDF

ORDSDF

Chicago O'Hare Intl

Fri 8/14

8:05 am-8:20 pm

1 stop11h 15m

Louisville Intl

Mon 8/17

9:10 pm-12:50 pm

1 stop16h 40m

$204

ChicagoLouisville

ORD - SDF

ORDSDF

Chicago O'Hare Intl

Sat 7/25

8:00 am-10:33 am

Nonstop1h 33m

Louisville Intl

Tue 7/28

6:48 am-7:35 am

Nonstop1h 47m

$223
Quickest round-trip

ChicagoLouisville

MDW - SDF

MDWSDF

Chicago Midway

Sat 8/15

3:15 pm-5:25 pm

Nonstop1h 10m

Louisville Intl

Sat 8/22

9:00 am-9:15 am

Nonstop1h 15m

$223

ChicagoLouisville

ORD - SDF

ORDSDF

Chicago O'Hare Intl

Sat 8/15

7:15 am-9:45 am

Nonstop1h 30m

Louisville Intl

Sat 8/22

6:28 am-7:15 am

Nonstop1h 47m

$224

ChicagoLouisville

MDW - SDF

MDWSDF

Chicago Midway

Thu 8/13

8:00 am-10:25 am

Nonstop1h 25m

Louisville Intl

Thu 8/20

2:15 pm-2:30 pm

Nonstop1h 15m

$225

ChicagoLouisville

ORD - SDF

ORDSDF

Chicago O'Hare Intl

Mon 8/17

5:59 pm-8:36 pm

Nonstop1h 37m

Louisville Intl

Tue 8/18

5:45 pm-6:36 pm

Nonstop1h 51m

$235

ChicagoLouisville

ORD - SDF

ORDSDF

Chicago O'Hare Intl

Sat 7/25

2:31 pm-9:12 pm

1 stop5h 41m

Louisville Intl

Tue 7/28

2:22 pm-6:29 pm

1 stop5h 07m

$243

ChicagoLouisville

MDW - SDF

MDWSDF

Chicago Midway

Sat 7/25

9:19 am-4:47 pm

1 stop6h 28m

Louisville Intl

Tue 7/28

2:22 pm-6:25 pm

1 stop5h 03m

$243

St. LouisLouisville

STL - SDF

STLSDF

Lambert-St Louis

Tue 7/21

7:05 pm-11:59 pm

1 stop3h 54m

Louisville Intl

Tue 7/28

10:04 am-3:46 pm

1 stop6h 42m

$261

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 Louisville from

How to get the cheapest flight ticket from Illinois to Louisville

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 Louisville?

If you are unable to visit Louisville during the month of October, then departing from Illinois during the month August is also very affordable. Most momondo users find prices during this month for around $77.

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

On average, the least expensive day to fly to Louisville from Illinois is on a Thursday. momondo users have found tickets for Thursday departures for as low as $295. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from Illinois to Louisville on a Monday will generally be more expensive and average around $499. 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 Louisville?

Our data shows that the cheapest Illinois to Louisville flights are usually those with departure times in the morning. Our users have found flights to Louisville in the morning for as low as $339. In the afternoon is when there is more demand to fly to Louisville, so prices are often more expensive at around $442 per ticket.

What is the cheapest Illinois to Louisville Intl flight route?

Fly from Chicago Midway to Louisville Intl for the best Illinois - Louisville Intl flight prices

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

You are more likely to see cheaper flights to Louisville from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Louisville for around $369 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Louisville from Illinois for as low as $199 on momondo.

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

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

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

Cheap Illinois to Louisville flight deals and tips

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

Best Price Found

$169

Fastest flight time

1h 10m

Direct flights

Every day

Airports in Louisville

1 airport
The best one-way flight to Louisville from Illinois in the past 72 hours is $169. The best round-trip flight deal from Illinois to Louisville found on momondo in the last 72 hours is $295.
The fastest flight from Illinois to Louisville takes 1h 10m
Direct flights go from Illinois to Louisville every day.
There is 1 airport in Louisville. From Illinois there are direct flights to Louisville Intl (SDF).
Search flight deals

Frequently asked questions about flying from Illinois to Louisville

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

    Prices for flights from Illinois to Louisville Intl Airport were last updated today.

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

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

    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 Illinois to Louisville Intl Airport.

  • What documentation or ID do you need to fly to Louisville Intl Airport?

    The required travel and health documents for your Louisville Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Louisville Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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

Best airlines flying from Illinois to Louisville

Compare and see reviews for airlines that fly from Illinois to Louisville with momondo
Airline
Rating
Free Cancellation
Price
SouthwestPriceFrom $124Free CancellationRating
7.9
4,250 reviews
Search Southwest flights
American AirlinesPriceFrom $136Free CancellationRating
7.1
11,766 reviews
Search American Airlines flights
United AirlinesPriceFrom $137Free CancellationRating
7.4
9,929 reviews
Search United Airlines flights

Traveling to a place near Louisville?

Book flights to Louisville if you plan to visit one of these locations
French Lick
Elizabethtown
Jeffersonville
West Baden Springs
Bardstown
Shepherdsville
New Albany
Elizabeth
Charlestown
Corydon
Brandenburg
Georgetown
Springfield

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Illinois to Louisville. Millions of users trust and use momondo every year so you are in good hands.

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

Flights from Illinois to Louisville with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

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

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

Price alerts on flights to Louisville from Illinois 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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