What is the cheapest airline that flies from Chicago to Louisville Intl?

United Airlines, Southwest, and Delta are the most popular carriers operating from Chicago to Louisville Intl

How many flights depart from Chicago to Louisville on average per day?

The number of flights available between Chicago and Louisville is 25 per day as of September 2026. The most frequent departure time is 7:00PM, with 36% of daily flights leaving in the afternoon.

What airlines fly to Louisville?

United Airlines, American Airlines and Southwest are the top three most popular airlines that fly to Louisville from Chicago according to our data. United Airlines is the first choice among our users, with 59% of people opting to fly with this airline when traveling to Louisville. Keep in mind that there are 4 different airlines that fly to Louisville on a routine basis, so you have a few additional options to choose from.

How many flights depart from Chicago to Louisville on average per week?

179 flights are operational weekly from Chicago to Louisville as of September 2026. The most popular departure day for this route is Fri, with 22% of flights per week taking off on this day.

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

Prices for flights from Chicago to Louisville Intl Airport refresh daily.

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

As of September 2026, there are 3 operators available to choose from for flights from Chicago to Louisville Intl Airport.

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Chicago to Louisville Intl Airport.

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

The travel and health documents you'll need for your trip to Louisville Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Louisville Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$99 Cheap Flights from Chicago to Louisville in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Chicago to Louisville

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

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

$197American Airlines

Mon, Nov 9 - Thu, Nov 12

2:42 pm - 5:13 pmORD Chicago O'Hare Intl-SDF Louisville Intl

1h 31mnonstop

10:01 am - 10:49 amSDF Louisville Intl-ORD Chicago O'Hare Intl

1h 48mnonstop

$197American Airlines

Wed, Nov 18 - Thu, Nov 19

10:39 am - 1:15 pmORD Chicago O'Hare Intl-SDF Louisville Intl

1h 36mnonstop

6:16 pm - 7:05 pmSDF Louisville Intl-ORD Chicago O'Hare Intl

1h 49mnonstop

$197United Airlines

Sat, Oct 24 - Sat, Oct 24

10:39 am - 1:15 pmORD Chicago O'Hare Intl-SDF Louisville Intl

1h 36mnonstop

6:16 pm - 7:05 pmSDF Louisville Intl-ORD Chicago O'Hare Intl

1h 49mnonstop

$197United Airlines

Sat, Oct 24 - Sat, Oct 24

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

1h 15mnonstop

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

1h 15mnonstop

$197Southwest

Tue, Oct 27 - Thu, Oct 29

8:05 am - 10:20 amMDW Chicago Midway-SDF Louisville Intl

1h 15mnonstop

5:05 pm - 5:25 pmSDF Louisville Intl-MDW Chicago Midway

1h 20mnonstop

$197Southwest

Sat, Oct 17 - Sat, Oct 24

11:50 am - 2:24 pmORD Chicago O'Hare Intl-SDF Louisville Intl

1h 34mnonstop

11:43 am - 12:30 pmSDF Louisville Intl-ORD Chicago O'Hare Intl

1h 47mnonstop

$197American Airlines

Tue, Dec 22 - Thu, Dec 31

6:55 am - 9:34 amORD Chicago O'Hare Intl-SDF Louisville Intl

1h 39mnonstop

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

1h 40mnonstop

$197United Airlines

Thu, Oct 15 - Mon, Oct 19

1:55 pm - 9:13 pmORD Chicago O'Hare Intl-SDF Louisville Intl

6h 18m1 stop Detroit Metropolitan Wayne County

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

6h 12m1 stop Atlanta Hartsfield-Jackson

$217Delta

Sat, Oct 17 - Sat, Oct 24

10:44 am - 4:49 pmORD Chicago O'Hare Intl-SDF Louisville Intl

5h 05m1 stop Atlanta Hartsfield-Jackson

7:55 am - 1:10 pmSDF Louisville Intl-ORD Chicago O'Hare Intl

6h 15m1 stop Detroit Metropolitan Wayne County

$217Delta

Tue, Oct 27 - Thu, Oct 29

Cheap last minute flights

Enter your travel dates to find the best prices.

3:40 pm - 9:30 pmORD Chicago O'Hare Intl-SDF Louisville Intl

4h 50m1 stop Atlanta Hartsfield-Jackson

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

7h 39m1 stop Atlanta Hartsfield-Jackson

$394Delta

Tue, Sep 22 - Tue, Oct 6

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

1h 34mnonstop

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

1h 44mnonstop

$406American Airlines

Tue, Sep 22 - Tue, Oct 6

2:30 pm - 8:09 pmORD Chicago O'Hare Intl-SDF Louisville Intl

4h 39m1 stop Washington, D.C. Dulles Intl

5:15 am - 5:56 amSDF Louisville Intl-ORD Chicago O'Hare Intl

1h 41mnonstop

$419United Airlines

Tue, Sep 22 - Tue, Oct 6

7:59 pm - 10:33 pmORD Chicago O'Hare Intl-SDF Louisville Intl

1h 34mnonstop

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

1h 55mnonstop

$440American Airlines

Fri, Sep 25 - Wed, Oct 21

8:59 am - 5:14 pmORD Chicago O'Hare Intl-SDF Louisville Intl

7h 15m1 stop Charlotte Douglas

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

1h 44mnonstop

$450American Airlines

Fri, Sep 25 - Wed, Oct 21

10:30 am - 1:08 pmORD Chicago O'Hare Intl-SDF Louisville Intl

1h 38mnonstop

9:00 am - 9:41 amSDF Louisville Intl-ORD Chicago O'Hare Intl

1h 41mnonstop

$460United Airlines

Tue, Sep 22 - Wed, Sep 23

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

4h 12m1 stop Detroit Metropolitan Wayne County

12:40 pm - 4:40 pmSDF Louisville Intl-ORD Chicago O'Hare Intl

5h 00m1 stop Minneapolis St Paul

$460Delta

Fri, Sep 25 - Wed, Oct 21

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

1h 25mnonstop

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

1h 15mnonstop

$476Southwest

Fri, Sep 25 - Fri, Oct 9

9:00 am - 3:30 pmMDW Chicago Midway-SDF Louisville Intl

5h 30m1 stop Baltimore/Washington

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

1h 15mnonstop

$486Southwest

Fri, Sep 25 - Fri, Oct 9

6:05 am - 12:20 pmMDW Chicago Midway-SDF Louisville Intl

5h 15m1 stop Atlanta Hartsfield-Jackson

7:55 am - 12:39 pmSDF Louisville Intl-MDW Chicago Midway

5h 44m1 stop Detroit Metropolitan Wayne County

$512Delta

Tue, Sep 22 - Wed, Sep 23

Cheap direct flights

Enter your travel dates to find the best prices.

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

1h 33mnonstop

6:29 am - 7:11 amSDF Louisville Intl-ORD Chicago O'Hare Intl

1h 42mnonstop

$197American Airlines

Sat, Oct 10 - Mon, Oct 12

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

$197American Airlines

Sat, Feb 27 - Tue, Mar 2

7:55 pm - 10:30 pmORD Chicago O'Hare Intl-SDF Louisville Intl

1h 35mnonstop

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

1h 45mnonstop

$197United Airlines

Thu, Nov 5 - Sat, Nov 7

10:39 am - 1:15 pmORD Chicago O'Hare Intl-SDF Louisville Intl

1h 36mnonstop

6:16 pm - 7:05 pmSDF Louisville Intl-ORD Chicago O'Hare Intl

1h 49mnonstop

$197United Airlines

Sat, Oct 24 - Sat, Oct 24

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

1h 15mnonstop

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

1h 15mnonstop

$197Southwest

Tue, Oct 27 - Thu, Oct 29

8:05 am - 10:20 amMDW Chicago Midway-SDF Louisville Intl

1h 15mnonstop

5:05 pm - 5:25 pmSDF Louisville Intl-MDW Chicago Midway

1h 20mnonstop

$197Southwest

Sat, Oct 17 - Sat, Oct 24

6:55 am - 9:34 amORD Chicago O'Hare Intl-SDF Louisville Intl

1h 39mnonstop

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

1h 40mnonstop

$197United Airlines

Thu, Oct 15 - Mon, Oct 19

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

1h 31mnonstop

10:16 am - 11:00 amSDF Louisville Intl-ORD Chicago O'Hare Intl

1h 44mnonstop

$197American Airlines

Tue, Oct 27 - Thu, Oct 29

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

1h 15mnonstop

5:00 pm - 5:25 pmSDF Louisville Intl-MDW Chicago Midway

1h 25mnonstop

$197Southwest

Thu, Nov 5 - Sat, Nov 7

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

$197American Airlines

Mon, Nov 9 - Thu, Nov 12

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Southwest flights from Chicago to Louisville

Our best Southwest deals on Chicago to Louisville flight tickets

Southwest

Oct 17

MDW8:05 amChicago Midway

1h 15m

SDF10:20 amLouisville Intl

Oct 24

SDF5:05 pmLouisville Intl

1h 20m

MDW5:25 pmChicago Midway

$197

Southwest

Oct 14

MDW6:00 pmChicago Midway

1h 15m

SDF8:15 pmLouisville Intl

Oct 21

SDF2:05 pmLouisville Intl

1h 15m

MDW2:20 pmChicago Midway

$207

Southwest

Oct 27

MDW3:05 pmChicago Midway

7h 00m

2 stops

SDF11:05 pmLouisville Intl

Oct 29

SDF8:20 amLouisville Intl

1h 15m

MDW8:35 amChicago Midway

$212

United Airlines flights from Chicago to Louisville

Our best United Airlines deals on Chicago to Louisville flight tickets

United Airlines

Oct 10

ORD5:50 pmChicago O'Hare Intl

1h 41m

SDF8:31 pmLouisville Intl

Oct 12

SDF7:00 amLouisville Intl

1h 40m

ORD7:40 amChicago O'Hare Intl

$197

United Airlines

Oct 14

ORD9:25 pmChicago O'Hare Intl

1h 34m

SDF11:59 pmLouisville Intl

Oct 21

SDF1:50 pmLouisville Intl

1h 40m

ORD2:30 pmChicago O'Hare Intl

$220

United Airlines

Oct 5

ORD6:55 amChicago O'Hare Intl

1h 39m

SDF9:34 amLouisville Intl

Oct 6

SDF7:00 amLouisville Intl

1h 40m

ORD7:40 amChicago O'Hare Intl

$221

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoLouisville

ORD Chicago O'Hare Intl - SDF Louisville Intl

ORDSDF

Chicago O'Hare Intl

Mon 11/9

7:08 am-9:38 am

Nonstop1h 30m

Louisville Intl

Thu 11/12

10:13 am-11:00 am

Nonstop1h 47m

$197

ChicagoLouisville

ORD Chicago O'Hare Intl - SDF Louisville Intl

ORDSDF

Chicago O'Hare Intl

Wed 11/18

2:42 pm-5:13 pm

Nonstop1h 31m

Louisville Intl

Thu 11/19

10:01 am-10:49 am

Nonstop1h 48m

$197

ChicagoLouisville

ORD Chicago O'Hare Intl - SDF Louisville Intl

ORDSDF

Chicago O'Hare Intl

Sat 10/24

10:39 am-1:15 pm

Nonstop1h 36m

Louisville Intl

Sat 10/24

6:16 pm-7:05 pm

Nonstop1h 49m

$197

ChicagoLouisville

ORD Chicago O'Hare Intl - SDF Louisville Intl

ORDSDF

Chicago O'Hare Intl

Sat 10/24

10:39 am-1:15 pm

Nonstop1h 36m

Louisville Intl

Sat 10/24

6:16 pm-7:05 pm

Nonstop1h 49m

$197

Quickest round-trip

ChicagoLouisville

MDW Chicago Midway - SDF Louisville Intl

MDWSDF

Chicago Midway

Tue 10/27

7:50 am-10:05 am

Nonstop1h 15m

Louisville Intl

Thu 10/29

7:50 pm-8:05 pm

Nonstop1h 15m

$197

ChicagoLouisville

MDW Chicago Midway - SDF Louisville Intl

MDWSDF

Chicago Midway

Sat 10/17

8:05 am-10:20 am

Nonstop1h 15m

Louisville Intl

Sat 10/24

5:05 pm-5:25 pm

Nonstop1h 20m

$197

ChicagoLouisville

ORD Chicago O'Hare Intl - SDF Louisville Intl

ORDSDF

Chicago O'Hare Intl

Tue 12/22

11:50 am-2:24 pm

Nonstop1h 34m

Louisville Intl

Thu 12/31

11:43 am-12:30 pm

Nonstop1h 47m

$197

ChicagoLouisville

ORD Chicago O'Hare Intl - SDF Louisville Intl

ORDSDF

Chicago O'Hare Intl

Thu 10/15

6:55 am-9:34 am

Nonstop1h 39m

Louisville Intl

Mon 10/19

7:00 am-7:40 am

Nonstop1h 40m

$197

ChicagoLouisville

ORD Chicago O'Hare Intl - SDF Louisville Intl

ORDSDF

Chicago O'Hare Intl

Sat 10/17

1:55 pm-9:13 pm

1 stop6h 18m

Louisville Intl

Sat 10/24

1:59 pm-7:11 pm

1 stop6h 12m

$217

ChicagoLouisville

ORD Chicago O'Hare Intl - SDF Louisville Intl

ORDSDF

Chicago O'Hare Intl

Tue 10/27

10:44 am-4:49 pm

1 stop5h 05m

Louisville Intl

Thu 10/29

7:55 am-1:10 pm

1 stop6h 15m

$217

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Chicago 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

Prices

Airlines

Other information

What is the typical price of a round-trip flight between Chicago and Louisville?

Prices are currently low for flights on this route.

Typical prices usually range from $312 to $588.
The lowest price recently found on this route was $197.

What is the cheapest month to fly to Louisville?

If you are unable to visit Louisville during the month of December, then departing from Chicago during the month November is also very affordable. Most momondo users find prices during this month for around $311.

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

On average, the least expensive day to fly to Louisville from Chicago is on a Thursday. momondo users have found tickets for Thursday departures for as low as $312. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from Chicago 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 Chicago 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 $364. In the afternoon is when there is more demand to fly to Louisville, so prices are often more expensive at around $485 per ticket.

What is the cheapest Chicago to Louisville Intl flight route?

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

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

You are more likely to see cheaper flights to Louisville from Chicago when booking weeks ahead of your departure date. In general, you can expect to find flights to Louisville for around $402 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Louisville from Chicago for as low as $228 on momondo.

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

There are 3 cabin classes available to choose from on Chicago to Louisville flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Chicago to Louisville flight prices changed over time?

As of September 2026, prices for Chicago to Louisville flights are approximately 138% more expensive when compared to flights at the same time last year.

When to book flights from Chicago to Louisville

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago to Louisville according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Chicago to Louisville (CHI to SDF) flight deals and tips

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

Best Price Found	$99
Fastest flight time	1h 15m
Direct flights	Every day
Airports in Louisville	1 airport

The best one-way flight to Louisville from Chicago in the past 72 hours is $99. The best round-trip flight deal from Chicago to Louisville found on momondo in the last 72 hours is $197.

The fastest flight from Chicago to Louisville takes 1h 15m

Direct flights go from Chicago to Louisville every day.

There is 1 airport in Louisville. From Chicago there are direct flights to Louisville Intl (SDF).

Search flight deals

Frequently asked questions about flying from Chicago to Louisville

How far is Chicago to Louisville Intl by plane?
Chicago and Louisville Intl are 269.2 mi apart from one another. By plane, this route typically takes 1h 15m.
When did momondo last update prices for flights from Chicago to Louisville Intl Airport?
Prices for flights from Chicago to Louisville Intl Airport refresh daily.
How many operators does momondo search for flights from Chicago to Louisville Intl Airport?
As of September 2026, there are 3 operators available to choose from for flights from Chicago to Louisville Intl Airport.
How old do you have to be to fly from Chicago to Louisville Intl Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Chicago to Louisville Intl Airport.
What documentation or ID do you need to fly to Louisville Intl Airport?
The travel and health documents you'll need for your trip to Louisville Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Louisville Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Chicago to Louisville?
Based on momondo bookings for flights between Chicago and Louisville, the leading plane model is Embraer 175 (Enhanced Winglets), making up 21.54% of the total bookings. Other popular models include Canadair (Bombardier) Regional Jet CRJ-550 with 20.95%, Embraer 175 with 20.36%, and Embraer 170 with 11.95%.
What is the most popular airline from Chicago to Louisville?
momondo data reveals that the most frequently booked airline on the route from Chicago to Louisville is United Airlines, representing 55% of all bookings. The subsequent popular airlines are American Airlines at 24% and Southwest at 21%.

Best airlines flying from Chicago to Louisville

Compare and see reviews for airlines that fly from Chicago to Louisville with momondo

Airline	Rating	Free Cancellation	Price
Southwest	PriceFrom $129	Free Cancellation	Rating 8.0 4,190 reviews	Search Southwest flights
United Airlines	PriceFrom $143	Free Cancellation	Rating 7.4 10,229 reviews	Search United Airlines flights
American Airlines	PriceFrom $196	Free Cancellation	Rating 7.0 12,087 reviews	Search American Airlines flights

Southwest Flights From Chicago to Louisville
Southwest flies from Chicago to Louisville around 6 times per week, with 4,195 momondo users rating the airline 8.0/10. The cheapest Southwest deal from Chicago to Louisville in the last 72 hours was $129 (round-trip), much lower than the average airfare cost of $390 for Southwest flights on this route.
United Airlines Flights From Chicago to Louisville
United Airlines is also a popular choice for this route. United Airlines flight deals for Chicago to Louisville start from as low as $143 round-trip, depending on your selected dates, with average United Airlines deals seen on momondo around $472. United Airlines operates 16 flights to Louisville from Chicago in an average week. Users have rated it 7.4/10 across 10,231 reviews.

French Lick

Elizabethtown

Jeffersonville

West Baden Springs

New Albany

Bardstown

Shepherdsville

Elizabeth

Charlestown

Corydon

Brandenburg

Georgetown

Springfield

Why use momondo?

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

It is quick and easy to find Chicago to Louisville flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Louisville that suits you.

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

All flight searches from Chicago to Louisville on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search for Chicago to Louisville flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes momondo offers price alerts on flights to Louisville from Chicago. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Louisville trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Airports servicing Kentucky

Lexington Blue Grass Airport

Owensboro Daviess County Airport

Paducah Barkley Regional Airport

Cheap flights from Chicago to Louisville from $99

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to Louisville departing on 10/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Chicago to Louisville

Cheap round-trip flights

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Cheap last minute flights

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Filter for what you want

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Southwest flights from Chicago to Louisville

Our best Southwest deals on Chicago to Louisville flight tickets

United Airlines flights from Chicago to Louisville

Our best United Airlines deals on Chicago to Louisville flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Chicago to Louisville that are best for you.

See travel insights to Louisville from

How to get the cheapest flight ticket from Chicago to Louisville

What is the typical price of a round-trip flight between Chicago and Louisville?

What is the cheapest month to fly to Louisville?

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

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

What is the cheapest Chicago to Louisville Intl flight route?

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

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

How have Chicago to Louisville flight prices changed over time?

What is the cheapest airline that flies from Chicago to Louisville Intl?

What airlines fly to Louisville?

How many flights depart from Chicago to Louisville on average per day?

How many flights depart from Chicago to Louisville on average per week?

When to book flights from Chicago to Louisville

Cheap Chicago to Louisville (CHI to SDF) flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Airports in Louisville

Frequently asked questions about flying from Chicago to Louisville

Best airlines flying from Chicago to Louisville

Compare and see reviews for airlines that fly from Chicago to Louisville with momondo

Traveling to a place near Louisville?

Why use momondo?

An easier way to manage your Louisville trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Kentucky

Fly your favorite airline to Louisville

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Louisville

List of cabin classes available on flights landing in Louisville. Availability may vary depending on flight origin and airline.

Popular cities in the United States

Popular flights according to clicks in the last 7 days on momondo

Fly to other destinations from Chicago

According to popular flight searches on momondo this year

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