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.

$109 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

Sat, Oct 31 - Sat, Oct 31

8:25 am - 10:40 amMDW Chicago Midway-SDF Louisville Intl

1h 15mnonstop

12:35 pm - 12:50 pmSDF Louisville Intl-MDW Chicago Midway

1h 15mnonstop

$217Southwest

Tue, Sep 29 - Thu, Oct 1

6:20 pm - 8:40 pmMDW Chicago Midway-SDF Louisville Intl

1h 20mnonstop

3:35 pm - 3:50 pmSDF Louisville Intl-MDW Chicago Midway

1h 15mnonstop

$217Southwest

Thu, Oct 1 - Tue, Oct 6

4:30 pm - 7:11 pmORD Chicago O'Hare Intl-SDF Louisville Intl

1h 41mnonstop

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

1h 40mnonstop

$217United Airlines

Mon, Sep 21 - Thu, Sep 24

9:20 pm - 11:56 pmORD Chicago O'Hare Intl-SDF Louisville Intl

1h 36mnonstop

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

1h 40mnonstop

$217United Airlines

Tue, Sep 29 - Thu, Oct 1

11:15 am - 1:43 pmORD Chicago O'Hare Intl-SDF Louisville Intl

1h 28mnonstop

7:11 am - 8:00 amSDF Louisville Intl-ORD Chicago O'Hare Intl

1h 49mnonstop

$217American Airlines

Thu, Feb 18 - Mon, Feb 22

3:05 pm - 5:42 pmORD Chicago O'Hare Intl-SDF Louisville Intl

1h 37mnonstop

6:14 pm - 7:12 pmSDF Louisville Intl-ORD Chicago O'Hare Intl

1h 58mnonstop

$217American Airlines

Mon, Sep 21 - Thu, Sep 24

6:10 pm - 8:30 pmMDW Chicago Midway-SDF Louisville Intl

1h 20mnonstop

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

1h 15mnonstop

$217Southwest

Tue, Sep 29 - Tue, Oct 6

3:00 pm - 5:40 pmORD Chicago O'Hare Intl-SDF Louisville Intl

1h 40mnonstop

7:00 am - 7:40 amSDF Louisville Intl-ORD Chicago O'Hare Intl

1h 40mnonstop

$217United Airlines

Sat, Oct 31 - Sat, Oct 31

9:29 am - 1:40 pmMDW Chicago Midway-SDF Louisville Intl

3h 11m1 stop Detroit Metropolitan Wayne County

5:59 pm - 10:33 pmSDF Louisville Intl-MDW Chicago Midway

5h 34m1 stop Atlanta Hartsfield-Jackson

$237Delta

Mon, Sep 21 - Thu, Sep 24

5:10 pm - 11:59 pmMDW Chicago Midway-SDF Louisville Intl

5h 49m1 stop Atlanta Hartsfield-Jackson

6:30 am - 1:20 pmSDF Louisville Intl-MDW Chicago Midway

7h 50m1 stop Minneapolis St Paul

$237Delta

Recent last minute flight deals from Illinois to Louisville

Thu, Sep 3 - Mon, Sep 7

11:43 am - 6:00 pmMLI Moline Quad-City-SDF Louisville Intl

5h 17m1 stop Chicago O'Hare Intl

6:15 am - 11:13 amSDF Louisville Intl-MLI Moline Quad-City

5h 58m1 stop Chicago O'Hare Intl

$379American Airlines

Wed, Sep 2 - Mon, Sep 7

1:15 pm - 8:36 pmMLI Moline Quad-City-SDF Louisville Intl

6h 21m1 stop Chicago O'Hare Intl

5:15 am - 9:54 amSDF Louisville Intl-MLI Moline Quad-City

5h 39m1 stop Chicago O'Hare Intl

$379United Airlines

Fri, Sep 4 - Sun, Sep 6

5:40 am - 1:11 pmMLI Moline Quad-City-SDF Louisville Intl

6h 31m1 stop Chicago O'Hare Intl

7:10 am - 12:21 pmSDF Louisville Intl-MLI Moline Quad-City

6h 11m1 stop Chicago O'Hare Intl

$389United Airlines

Sat, Sep 5 - Sun, Sep 6

3:59 pm - 6:35 pmORD Chicago O'Hare Intl-SDF Louisville Intl

1h 36mnonstop

6:28 am - 7:15 amSDF Louisville Intl-ORD Chicago O'Hare Intl

1h 47mnonstop

$423American Airlines

Wed, Sep 2 - Mon, Sep 7

11:43 am - 10:59 pmMLI Moline Quad-City-SDF Louisville Intl

10h 16m2 stops Chicago O'Hare Intl Philadelphia

6:15 am - 11:13 amSDF Louisville Intl-MLI Moline Quad-City

5h 58m1 stop Chicago O'Hare Intl

$432American Airlines

Sat, Sep 5 - Sun, Sep 6

4:39 pm - 10:08 pmMDW Chicago Midway-SDF Louisville Intl

4h 29m1 stop Atlanta Hartsfield-Jackson

11:17 am - 3:44 pmSDF Louisville Intl-MDW Chicago Midway

5h 27m1 stop Atlanta Hartsfield-Jackson

$443Delta

Sat, Sep 5 - Sun, Sep 6

8:28 am - 3:50 pmORD Chicago O'Hare Intl-SDF Louisville Intl

6h 22m1 stop Minneapolis St Paul

6:00 am - 9:40 amSDF Louisville Intl-ORD Chicago O'Hare Intl

4h 40m1 stop Atlanta Hartsfield-Jackson

$443Delta

Sat, Sep 5 - Tue, Sep 8

3:15 pm - 5:30 pmMDW Chicago Midway-SDF Louisville Intl

1h 15mnonstop

6:45 pm - 7:00 pmSDF Louisville Intl-MDW Chicago Midway

1h 15mnonstop

$472Southwest

Sat, Sep 5 - Sun, Sep 6

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

1h 42mnonstop

7:10 am - 7:50 amSDF Louisville Intl-ORD Chicago O'Hare Intl

1h 40mnonstop

$472United Airlines

Sat, Sep 5 - Tue, Sep 8

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

1h 20mnonstop

4:00 pm - 8:10 pmSDF Louisville Intl-MDW Chicago Midway

5h 10m1 stop Nashville Intl

$482Southwest

Recent direct flight deals from Illinois to Louisville

Sat, Oct 31 - Sat, Oct 31

8:25 am - 10:40 amMDW Chicago Midway-SDF Louisville Intl

1h 15mnonstop

12:35 pm - 12:50 pmSDF Louisville Intl-MDW Chicago Midway

1h 15mnonstop

$217Southwest

Tue, Sep 29 - Thu, Oct 1

6:20 pm - 8:40 pmMDW Chicago Midway-SDF Louisville Intl

1h 20mnonstop

3:35 pm - 3:50 pmSDF Louisville Intl-MDW Chicago Midway

1h 15mnonstop

$217Southwest

Thu, Oct 1 - Tue, Oct 6

4:30 pm - 7:11 pmORD Chicago O'Hare Intl-SDF Louisville Intl

1h 41mnonstop

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

1h 40mnonstop

$217United Airlines

Mon, Sep 21 - Thu, Sep 24

9:20 pm - 11:56 pmORD Chicago O'Hare Intl-SDF Louisville Intl

1h 36mnonstop

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

1h 40mnonstop

$217United Airlines

Tue, Sep 29 - Thu, Oct 1

11:15 am - 1:43 pmORD Chicago O'Hare Intl-SDF Louisville Intl

1h 28mnonstop

7:11 am - 8:00 amSDF Louisville Intl-ORD Chicago O'Hare Intl

1h 49mnonstop

$217American Airlines

Thu, Feb 18 - Mon, Feb 22

3:05 pm - 5:42 pmORD Chicago O'Hare Intl-SDF Louisville Intl

1h 37mnonstop

6:14 pm - 7:12 pmSDF Louisville Intl-ORD Chicago O'Hare Intl

1h 58mnonstop

$217American Airlines

Mon, Sep 21 - Thu, Sep 24

6:10 pm - 8:30 pmMDW Chicago Midway-SDF Louisville Intl

1h 20mnonstop

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

1h 15mnonstop

$217Southwest

Tue, Sep 29 - Tue, Oct 6

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

1h 20mnonstop

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

1h 15mnonstop

$217Southwest

Tue, Sep 29 - Tue, Oct 6

3:00 pm - 5:40 pmORD Chicago O'Hare Intl-SDF Louisville Intl

1h 40mnonstop

7:00 am - 7:40 amSDF Louisville Intl-ORD Chicago O'Hare Intl

1h 40mnonstop

$217United Airlines

Sat, Oct 31 - Sat, Oct 31

9:30 am - 12:01 pmORD Chicago O'Hare Intl-SDF Louisville Intl

1h 31mnonstop

5:35 pm - 6:30 pmSDF Louisville Intl-ORD Chicago O'Hare Intl

1h 55mnonstop

$217American Airlines

Useful Info

Low season	January
High season	October
Cheapest flight	$109

Best time to beat the crowds with an average 10% drop in price.

Most popular time to fly and prices are also 9% lower on average.

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

Airports

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Return flight deals

Information on the airport you'll fly into in Louisville

Louisville (SDF)

SDF

$109 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