How does KAYAK find such low prices on flights from Illinois to Louisville?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Louisville.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Louisville?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Louisville from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Illinois to Louisville?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Louisville with an airline and back to Illinois with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Louisville?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Louisville from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

$104 CHEAP FLIGHTS from Illinois to Louisville

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Flight Deals

Cheap Flights from Illinois to Louisville

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from Illinois to Louisville

Wed, Nov 4 - Thu, Nov 5

8:15 am - 10:30 amMDW Chicago Midway-SDF Louisville Intl

1h 15mnonstop

7:55 pm - 8:10 pmSDF Louisville Intl-MDW Chicago Midway

1h 15mnonstop

$207Southwest

Thu, Oct 29 - Mon, Nov 2

7:55 am - 10:10 amMDW Chicago Midway-SDF Louisville Intl

1h 15mnonstop

8:45 am - 9:00 amSDF Louisville Intl-MDW Chicago Midway

1h 15mnonstop

$207Southwest

Tue, Oct 27 - Tue, Oct 27

6:59 am - 9:32 amORD Chicago O'Hare Intl-SDF Louisville Intl

1h 33mnonstop

6:07 pm - 7:05 pmSDF Louisville Intl-ORD Chicago O'Hare Intl

1h 58mnonstop

$207American Airlines

Sat, Feb 20 - Mon, Feb 22

6:54 pm - 9:28 pmORD Chicago O'Hare Intl-SDF Louisville Intl

1h 34mnonstop

6:17 am - 6:59 amSDF Louisville Intl-ORD Chicago O'Hare Intl

1h 42mnonstop

$207American Airlines

Tue, Oct 27 - Tue, Oct 27

6:59 am - 9:38 amORD Chicago O'Hare Intl-SDF Louisville Intl

1h 39mnonstop

2:10 pm - 2:55 pmSDF Louisville Intl-ORD Chicago O'Hare Intl

1h 45mnonstop

$207United Airlines

Wed, Nov 4 - Thu, Nov 5

4:00 pm - 6:32 pmORD Chicago O'Hare Intl-SDF Louisville Intl

1h 32mnonstop

9:02 am - 9:45 amSDF Louisville Intl-ORD Chicago O'Hare Intl

1h 43mnonstop

$207United Airlines

Tue, Oct 27 - Tue, Oct 27

7:50 am - 10:05 amMDW Chicago Midway-SDF Louisville Intl

1h 15mnonstop

7:10 pm - 7:25 pmSDF Louisville Intl-MDW Chicago Midway

1h 15mnonstop

$207Southwest

Wed, Nov 4 - Thu, Nov 5

7:08 am - 9:38 amORD Chicago O'Hare Intl-SDF Louisville Intl

1h 30mnonstop

10:13 am - 11:00 amSDF Louisville Intl-ORD Chicago O'Hare Intl

1h 47mnonstop

$207American Airlines

Thu, Oct 29 - Mon, Nov 2

9:29 am - 1:53 pmMDW Chicago Midway-SDF Louisville Intl

3h 24m1 stop Detroit Metropolitan Wayne County

5:57 pm - 10:33 pmSDF Louisville Intl-MDW Chicago Midway

5h 36m1 stop Atlanta Hartsfield-Jackson

$227Delta

Sat, Oct 31 - Sat, Nov 7

10:12 am - 5:59 pmMDW Chicago Midway-SDF Louisville Intl

6h 47m1 stop Minneapolis St Paul

7:55 am - 12:47 pmSDF Louisville Intl-MDW Chicago Midway

5h 52m1 stop Detroit Metropolitan Wayne County

$227Delta

Recent last minute flight deals from Illinois to Louisville

Tue, Oct 13 - Thu, Oct 22

5:04 pm - 11:59 pmMLI Moline Quad-City-SDF Louisville Intl

5h 55m1 stop Atlanta Hartsfield-Jackson

7:05 am - 10:18 amSDF Louisville Intl-MLI Moline Quad-City

4h 13m1 stop Atlanta Hartsfield-Jackson

$369Delta

Tue, Oct 13 - Wed, Oct 21

5:04 pm - 11:59 pmMLI Moline Quad-City-SDF Louisville Intl

5h 55m1 stop Atlanta Hartsfield-Jackson

5:57 pm - 10:30 pmSDF Louisville Intl-MLI Moline Quad-City

5h 33m1 stop Atlanta Hartsfield-Jackson

$369Delta

Wed, Oct 14 - Wed, Oct 21

5:04 pm - 11:59 pmMLI Moline Quad-City-SDF Louisville Intl

5h 55m1 stop Atlanta Hartsfield-Jackson

6:00 am - 10:18 amSDF Louisville Intl-MLI Moline Quad-City

5h 18m1 stop Atlanta Hartsfield-Jackson

$369Delta

Fri, Oct 9 - Sat, Oct 10

10:43 am - 5:40 pmPIA Greater Peoria-SDF Louisville Intl

5h 57m1 stop Chicago O'Hare Intl

6:16 pm - 10:58 pmSDF Louisville Intl-PIA Greater Peoria

5h 42m1 stop Chicago O'Hare Intl

$450United Airlines

Tue, Oct 13 - Tue, Oct 20

2:28 pm - 8:31 pmMLI Moline Quad-City-SDF Louisville Intl

5h 03m1 stop Chicago O'Hare Intl

5:15 am - 10:12 amSDF Louisville Intl-MLI Moline Quad-City

5h 57m1 stop Chicago O'Hare Intl

$459United Airlines

Wed, Oct 14 - Tue, Oct 20

2:28 pm - 7:11 pmMLI Moline Quad-City-SDF Louisville Intl

3h 43m1 stop Chicago O'Hare Intl

7:00 am - 10:12 amSDF Louisville Intl-MLI Moline Quad-City

4h 12m1 stop Chicago O'Hare Intl

$459United Airlines

Sat, Oct 10 - Tue, Oct 13

9:39 am - 12:10 pmORD Chicago O'Hare Intl-SDF Louisville Intl

1h 31mnonstop

12:45 pm - 1:29 pmSDF Louisville Intl-ORD Chicago O'Hare Intl

1h 44mnonstop

$541American Airlines

Sat, Oct 10 - Tue, Oct 13

4:15 pm - 6:30 pmMDW Chicago Midway-SDF Louisville Intl

1h 15mnonstop

8:35 am - 8:50 amSDF Louisville Intl-MDW Chicago Midway

1h 15mnonstop

$541Southwest

Sat, Oct 10 - Tue, Oct 13

9:39 am - 12:10 pmORD Chicago O'Hare Intl-SDF Louisville Intl

1h 31mnonstop

7:12 pm - 12:08 amSDF Louisville Intl-ORD Chicago O'Hare Intl

5h 56m1 stop Charlotte Douglas

$551American Airlines

Sat, Oct 10 - Tue, Oct 13

4:15 pm - 6:30 pmMDW Chicago Midway-SDF Louisville Intl

1h 15mnonstop

10:40 am - 4:05 pmSDF Louisville Intl-MDW Chicago Midway

6h 25m1 stop Baltimore/Washington

$551Southwest

Recent direct flight deals from Illinois to Louisville

Wed, Nov 4 - Thu, Nov 5

8:15 am - 10:30 amMDW Chicago Midway-SDF Louisville Intl

1h 15mnonstop

7:55 pm - 8:10 pmSDF Louisville Intl-MDW Chicago Midway

1h 15mnonstop

$207Southwest

Thu, Oct 29 - Mon, Nov 2

7:55 am - 10:10 amMDW Chicago Midway-SDF Louisville Intl

1h 15mnonstop

8:45 am - 9:00 amSDF Louisville Intl-MDW Chicago Midway

1h 15mnonstop

$207Southwest

Sat, Feb 20 - Mon, Feb 22

6:54 pm - 9:28 pmORD Chicago O'Hare Intl-SDF Louisville Intl

1h 34mnonstop

6:17 am - 6:59 amSDF Louisville Intl-ORD Chicago O'Hare Intl

1h 42mnonstop

$207American Airlines

Wed, Nov 4 - Thu, Nov 5

7:08 am - 9:38 amORD Chicago O'Hare Intl-SDF Louisville Intl

1h 30mnonstop

10:13 am - 11:00 amSDF Louisville Intl-ORD Chicago O'Hare Intl

1h 47mnonstop

$207American Airlines

Wed, Nov 4 - Thu, Nov 5

4:00 pm - 6:32 pmORD Chicago O'Hare Intl-SDF Louisville Intl

1h 32mnonstop

9:02 am - 9:45 amSDF Louisville Intl-ORD Chicago O'Hare Intl

1h 43mnonstop

$207United Airlines

Tue, Oct 27 - Tue, Oct 27

6:59 am - 9:38 amORD Chicago O'Hare Intl-SDF Louisville Intl

1h 39mnonstop

2:10 pm - 2:55 pmSDF Louisville Intl-ORD Chicago O'Hare Intl

1h 45mnonstop

$207United Airlines

Tue, Oct 27 - Tue, Oct 27

7:50 am - 10:05 amMDW Chicago Midway-SDF Louisville Intl

1h 15mnonstop

7:10 pm - 7:25 pmSDF Louisville Intl-MDW Chicago Midway

1h 15mnonstop

$207Southwest

Tue, Oct 27 - Tue, Oct 27

6:59 am - 9:32 amORD Chicago O'Hare Intl-SDF Louisville Intl

1h 33mnonstop

6:07 pm - 7:05 pmSDF Louisville Intl-ORD Chicago O'Hare Intl

1h 58mnonstop

$207American Airlines

Thu, Oct 29 - Mon, Nov 2

6:10 pm - 8:52 pmORD Chicago O'Hare Intl-SDF Louisville Intl

1h 42mnonstop

5:10 am - 5:55 amSDF Louisville Intl-ORD Chicago O'Hare Intl

1h 45mnonstop

$207United Airlines

Mon, Dec 7 - Wed, Dec 9

8:15 am - 10:30 amMDW Chicago Midway-SDF Louisville Intl

1h 15mnonstop

8:50 am - 9:05 amSDF Louisville Intl-MDW Chicago Midway

1h 15mnonstop

$219Southwest

Useful Info

Low season	January
High season	July
Cheapest flight	$104

Best time to beat the crowds with an average 8% drop in price.

Most popular time to fly with an average 5% increase in price.

Flight from Chicago O'Hare Airport to Louisville

How does KAYAK find such low prices on flights from Illinois to Louisville?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Louisville.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Louisville?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Louisville from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Illinois to Louisville?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Louisville with an airline and back to Illinois with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Louisville?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Louisville from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.