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.

$117 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, Sep 16 - Sat, Sep 19

7:09 am - 9:43 amORD Chicago O'Hare Intl-SDF Louisville Intl

1h 34mnonstop

5:59 pm - 6:54 pmSDF Louisville Intl-ORD Chicago O'Hare Intl

1h 55mnonstop

$237American Airlines

Sat, Oct 10 - Sat, Oct 10

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

1h 31mnonstop

5:19 pm - 6:14 pmSDF Louisville Intl-ORD Chicago O'Hare Intl

1h 55mnonstop

$237American Airlines

Wed, Sep 23 - Thu, Sep 24

7:15 am - 9:54 amORD Chicago O'Hare Intl-SDF Louisville Intl

1h 39mnonstop

10:25 am - 11:05 amSDF Louisville Intl-ORD Chicago O'Hare Intl

1h 40mnonstop

$237United Airlines

Thu, Dec 17 - Tue, Dec 29

4:15 pm - 6:47 pmORD Chicago O'Hare Intl-SDF Louisville Intl

1h 32mnonstop

8:45 am - 9:34 amSDF Louisville Intl-ORD Chicago O'Hare Intl

1h 49mnonstop

$237United Airlines

Thu, Sep 10 - Mon, Sep 14

8:00 am - 10:25 amMDW Chicago Midway-SDF Louisville Intl

1h 25mnonstop

2:15 pm - 2:30 pmSDF Louisville Intl-MDW Chicago Midway

1h 15mnonstop

$237Southwest

Thu, Dec 17 - Tue, Dec 29

12:50 pm - 3:05 pmMDW Chicago Midway-SDF Louisville Intl

1h 15mnonstop

2:10 pm - 2:30 pmSDF Louisville Intl-MDW Chicago Midway

1h 20mnonstop

$237Southwest

Tue, Sep 22 - Sat, Sep 26

2:55 pm - 5:29 pmORD Chicago O'Hare Intl-SDF Louisville Intl

1h 34mnonstop

5:59 pm - 6:54 pmSDF Louisville Intl-ORD Chicago O'Hare Intl

1h 55mnonstop

$237American Airlines

Thu, Sep 10 - Mon, Sep 14

5:55 pm - 8:32 pmORD Chicago O'Hare Intl-SDF Louisville Intl

1h 37mnonstop

6:15 pm - 7:04 pmSDF Louisville Intl-ORD Chicago O'Hare Intl

1h 49mnonstop

$237United Airlines

Mon, Sep 28 - Mon, Oct 5

8:55 am - 2:07 pmORD Chicago O'Hare Intl-SDF Louisville Intl

4h 12m1 stop Detroit Metropolitan Wayne County

5:50 pm - 8:30 pmSDF Louisville Intl-ORD Chicago O'Hare Intl

3h 40m1 stop Detroit Metropolitan Wayne County

$257Delta

Mon, Oct 19 - Wed, Oct 21

6:30 am - 12:54 pmORD Chicago O'Hare Intl-SDF Louisville Intl

5h 24m1 stop Atlanta Hartsfield-Jackson

1:59 pm - 8:38 pmSDF Louisville Intl-ORD Chicago O'Hare Intl

7h 39m1 stop Atlanta Hartsfield-Jackson

$257Delta

Recent last minute flight deals from Illinois to Louisville

Sat, Aug 22 - Sat, Oct 10

3:15 pm - 5:25 pmMDW Chicago Midway-SDF Louisville Intl

1h 10mnonstop

5:05 pm - 5:20 pmSDF Louisville Intl-MDW Chicago Midway

1h 15mnonstop

$369Southwest

Sat, Aug 22 - Sat, Oct 10

2:00 pm - 4:38 pmORD Chicago O'Hare Intl-SDF Louisville Intl

1h 38mnonstop

10:13 am - 10:53 amSDF Louisville Intl-ORD Chicago O'Hare Intl

1h 40mnonstop

$369United Airlines

Sat, Aug 22 - Sat, Oct 10

11:53 am - 6:14 pmORD Chicago O'Hare Intl-SDF Louisville Intl

5h 21m1 stop Charlotte Douglas

12:46 pm - 1:30 pmSDF Louisville Intl-ORD Chicago O'Hare Intl

1h 44mnonstop

$379American Airlines

Sat, Aug 22 - Sat, Oct 10

6:05 am - 3:10 pmMDW Chicago Midway-SDF Louisville Intl

8h 05m1 stop Tampa

5:05 pm - 5:20 pmSDF Louisville Intl-MDW Chicago Midway

1h 15mnonstop

$379Southwest

Sat, Aug 22 - Sat, Oct 10

7:40 am - 5:15 pmMDW Chicago Midway-SDF Louisville Intl

8h 35m2 stops Atlanta Hartsfield-Jackson Nashville Intl

5:05 pm - 5:20 pmSDF Louisville Intl-MDW Chicago Midway

1h 15mnonstop

$384Southwest

Sat, Aug 22 - Sat, Oct 10

10:50 am - 5:00 pmORD Chicago O'Hare Intl-SDF Louisville Intl

5h 10m1 stop Atlanta Hartsfield-Jackson

1:59 pm - 7:11 pmSDF Louisville Intl-ORD Chicago O'Hare Intl

6h 12m1 stop Atlanta Hartsfield-Jackson

$389Delta

Sat, Aug 22 - Sat, Sep 5

9:25 pm - 11:59 pmORD Chicago O'Hare Intl-SDF Louisville Intl

1h 34mnonstop

5:45 pm - 6:36 pmSDF Louisville Intl-ORD Chicago O'Hare Intl

1h 51mnonstop

$452United Airlines

Sat, Aug 22 - Sat, Sep 5

6:56 am - 9:38 amORD Chicago O'Hare Intl-SDF Louisville Intl

1h 42mnonstop

10:05 am - 2:27 pmSDF Louisville Intl-ORD Chicago O'Hare Intl

5h 22m1 stop Washington, D.C. Dulles Intl

$462United Airlines

Sat, Aug 22 - Sat, Sep 5

2:30 pm - 9:19 pmORD Chicago O'Hare Intl-SDF Louisville Intl

5h 49m1 stop Detroit Metropolitan Wayne County

5:35 pm - 8:30 pmSDF Louisville Intl-ORD Chicago O'Hare Intl

3h 55m1 stop Detroit Metropolitan Wayne County

$472Delta

Thu, Aug 20 - Sat, Sep 5

6:50 pm - 9:25 pmORD Chicago O'Hare Intl-SDF Louisville Intl

1h 35mnonstop

7:18 pm - 8:12 pmSDF Louisville Intl-ORD Chicago O'Hare Intl

1h 54mnonstop

$508American Airlines

Recent direct flight deals from Illinois to Louisville

Thu, Sep 10 - Mon, Sep 14

8:00 am - 10:25 amMDW Chicago Midway-SDF Louisville Intl

1h 25mnonstop

2:15 pm - 2:30 pmSDF Louisville Intl-MDW Chicago Midway

1h 15mnonstop

$237Southwest

Thu, Dec 17 - Tue, Dec 29

12:50 pm - 3:05 pmMDW Chicago Midway-SDF Louisville Intl

1h 15mnonstop

2:10 pm - 2:30 pmSDF Louisville Intl-MDW Chicago Midway

1h 20mnonstop

$237Southwest

Wed, Sep 16 - Sat, Sep 19

7:09 am - 9:43 amORD Chicago O'Hare Intl-SDF Louisville Intl

1h 34mnonstop

5:59 pm - 6:54 pmSDF Louisville Intl-ORD Chicago O'Hare Intl

1h 55mnonstop

$237American Airlines

Sat, Oct 10 - Sat, Oct 10

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

1h 31mnonstop

5:19 pm - 6:14 pmSDF Louisville Intl-ORD Chicago O'Hare Intl

1h 55mnonstop

$237American Airlines

Thu, Dec 17 - Tue, Dec 29

4:15 pm - 6:47 pmORD Chicago O'Hare Intl-SDF Louisville Intl

1h 32mnonstop

8:45 am - 9:34 amSDF Louisville Intl-ORD Chicago O'Hare Intl

1h 49mnonstop

$237United Airlines

Wed, Sep 23 - Thu, Sep 24

7:15 am - 9:54 amORD Chicago O'Hare Intl-SDF Louisville Intl

1h 39mnonstop

10:25 am - 11:05 amSDF Louisville Intl-ORD Chicago O'Hare Intl

1h 40mnonstop

$237United Airlines

Wed, Sep 23 - Thu, Sep 24

9:00 am - 11:20 amMDW Chicago Midway-SDF Louisville Intl

1h 20mnonstop

2:15 pm - 2:30 pmSDF Louisville Intl-MDW Chicago Midway

1h 15mnonstop

$237Southwest

Thu, Oct 1 - Thu, Oct 8

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

1h 15mnonstop

7:50 pm - 8:05 pmSDF Louisville Intl-MDW Chicago Midway

1h 15mnonstop

$237Southwest

Tue, Sep 22 - Sat, Sep 26

2:55 pm - 5:29 pmORD Chicago O'Hare Intl-SDF Louisville Intl

1h 34mnonstop

5:59 pm - 6:54 pmSDF Louisville Intl-ORD Chicago O'Hare Intl

1h 55mnonstop

$237American Airlines

Mon, Sep 21 - Sat, Sep 26

7:09 am - 9:43 amORD Chicago O'Hare Intl-SDF Louisville Intl

1h 34mnonstop

5:59 pm - 6:54 pmSDF Louisville Intl-ORD Chicago O'Hare Intl

1h 55mnonstop

$237American Airlines

Useful Info

Low season	January
High season	July
Cheapest flight	$117

Best time to beat the crowds with an average 6% drop in price.

Most popular time to fly with an average 8% 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.

French Lick

Jeffersonville

West Baden Springs

Elizabeth

Charlestown

Georgetown

Brandenburg

Everything you need to know for your flight to Louisville

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Complete your trip

Direct Flights

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Origins

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Return flight deals

Information on the airport you'll fly into in Louisville

Louisville (SDF)

SDF

$117 Find Cheap Flights from Illinois to Louisville - Compare and Save

Cheap Flights from Illinois to Louisville

Recent round-trip flight deals from Illinois to Louisville

Recent one-way flight deals from Illinois to Louisville

Recent last minute flight deals from Illinois to Louisville

Recent direct flight deals from Illinois to Louisville

Good to know

Low season

High season

Cheapest flight

FAQs for booking flights from Illinois to Louisville

Traveling to a place near Louisville?

Everything you need to know for your flight to Louisville

Information on the airport you'll fly into in Louisville

Cabin class types available on flights to Illinois

Complete your trip to Louisville with a hotel stay or car rental

Find direct flights for Louisville

Flights to other popular destinations

Flights from domestic origins to Louisville

Choose which airport to fly into in Louisville

Find deals for your return flight