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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

$76 CHEAP FLIGHTS from Illinois to Louisville

SDF

KAYAK searches hundreds of travel sites at once for deals on flights to Louisville

...and more

Travelers love KAYAK

41,299,237 searches in the past 7 days on KAYAK

Save 24% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

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

Mon, Apr 20 - Fri, Apr 24

5:05 am - 5:04 pm

ORD

SDF

10h 59m

1 stop

7:48 pm - 9:17 pm

SDF

ORD

26h 29m

1 stop

$165Multiple Airlines

Thu, Apr 30 - Mon, May 4

1:27 pm - 6:58 pm

ORD

SDF

28h 31m

1 stop

7:48 pm - 11:19 am

SDF

ORD

16h 31m

1 stop

$183Multiple Airlines

Mon, Apr 20 - Fri, Apr 24

5:05 am - 5:04 pm

ORD

SDF

10h 59m

1 stop

6:06 pm - 9:12 pm

SDF

ORD

28h 06m

2 stops

$192Spirit Airlines

Thu, Apr 23 - Fri, Apr 24

5:05 am - 5:04 pm

ORD

SDF

10h 59m

1 stop

6:06 pm - 9:36 am

SDF

ORD

16h 30m

1 stop

$196Spirit Airlines

Tue, May 5 - Wed, May 6

9:01 pm - 9:38 am

ORD

SDF

11h 37m

1 stop

11:16 am - 11:56 am

SDF

ORD

1h 40mnonstop

$218American Airlines

Tue, May 5 - Tue, May 12

6:20 pm - 8:35 pm

MDW

SDF

1h 15mnonstop

7:15 pm - 7:30 pm

SDF

MDW

1h 15mnonstop

$257Southwest

Sat, May 2 - Tue, May 5

3:35 pm - 5:45 pm

MDW

SDF

1h 10mnonstop

8:55 am - 9:15 am

SDF

MDW

1h 20mnonstop

$264Southwest

Wed, May 6 - Wed, May 13

9:21 am - 2:07 pm

STL

SDF

3h 46m

1 stop

5:40 am - 8:39 am

SDF

STL

3h 59m

1 stop

$275United Airlines

Tue, May 5 - Tue, May 12

12:51 pm - 11:30 pm

MLI

SDF

9h 39m

2 stops

8:36 am - 12:19 pm

SDF

MLI

4h 43m

1 stop

$314American Airlines

Sun, May 3 - Mon, May 11

8:30 am - 1:17 pm

MLI

SDF

3h 47m

1 stop

10:06 am - 12:53 pm

SDF

MLI

3h 47m

1 stop

$379United Airlines

Useful Info

Low season	January
High season	May
Cheapest flight	$76

Best time to beat the crowds but there is an average 1% increase in price.

Most popular time to fly and prices are also 5% 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

Brandenburg

Georgetown

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

$78 Find Cheap Flights from Illinois to Louisville

KAYAK searches hundreds of travel sites at once for deals on flights to Louisville

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

FAQs for booking flights from Illinois 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.

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