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 40 per day as of May 2026. The most frequent departure time is 9:00PM, with 52% of daily flights leaving in the evening.

What airlines fly to Louisville?

United Airlines, American Airlines and Contour 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 49% of people opting to fly with this airline when traveling to Louisville. Keep in mind that there are 5 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?

282 flights are operational weekly from Chicago to Louisville as of May 2026. The most popular departure day for this route is Mon, with 18% 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 May 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.

$94 Cheap Flights from Chicago to Louisville in 2026

Q: 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 $402 to $234. The lowest price recently found on this route was $257.

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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.

6:59 am - 9:26 am

ORD

SDF

1h 27mnonstop

9:00 am - 9:38 am

SDF

ORD

1h 38mnonstop

$257United Airlines

Tue, Jun 2 - Wed, Jun 3

6:20 pm - 8:35 pm

MDW

SDF

1h 15mnonstop

8:55 am - 9:15 am

SDF

MDW

1h 20mnonstop

$257Southwest

Tue, Jun 2 - Wed, Jun 3

7:44 pm - 10:19 pm

ORD

SDF

1h 35mnonstop

6:51 am - 7:38 am

SDF

ORD

1h 47mnonstop

$258American Airlines

Wed, Jun 17 - Wed, Jun 24

3:49 pm - 6:26 pm

ORD

SDF

1h 37mnonstop

7:38 am - 11:59 am

SDF

ORD

5h 21m

1 stop

$267American Airlines

Tue, Jun 2 - Wed, Jun 3

9:50 am - 2:45 pm

MDW

SDF

3h 55m

1 stop

3:30 pm - 3:45 pm

SDF

MDW

1h 15mnonstop

$267Southwest

Tue, Jun 2 - Wed, Jun 3

8:00 am - 10:35 am

ORD

SDF

1h 35mnonstop

7:18 pm - 8:14 pm

SDF

ORD

1h 56mnonstop

$268American Airlines

Tue, Jun 16 - Tue, Jun 23

7:41 pm - 10:19 pm

ORD

SDF

1h 38mnonstop

10:47 am - 11:30 am

SDF

ORD

1h 43mnonstop

$272American Airlines

Mon, Jun 1 - Tue, Jun 2

7:40 am - 9:50 am

MDW

SDF

1h 10mnonstop

1:35 pm - 8:10 pm

SDF

MDW

7h 35m

2 stops

$272Southwest

Tue, Jun 2 - Wed, Jun 3

7:29 pm - 10:04 pm

ORD

SDF

1h 35mnonstop

6:48 am - 7:35 am

SDF

ORD

1h 47mnonstop

$275American Airlines

Wed, Jul 8 - Tue, Jul 14

2:15 pm - 4:49 pm

ORD

SDF

1h 34mnonstop

2:10 pm - 2:50 pm

SDF

ORD

1h 40mnonstop

$281United Airlines

Thu, May 28 - Sat, May 30

Delta flights from Chicago to Louisville

Our best Delta deals on Chicago to Louisville flight tickets

Delta

Jul 8

MDW11:05 amChicago Midway

5h 44m

1 stop

SDF5:49 pmLouisville Intl

Jul 14

SDF6:00 amLouisville Intl

5h 05m

1 stop

MDW10:05 amChicago Midway

$295

Delta

May 28

ORD6:24 amChicago O'Hare Intl

4h 35m

1 stop

SDF11:59 amLouisville Intl

Jun 1

SDF3:29 pmLouisville Intl

5h 57m

1 stop

ORD8:26 pmChicago O'Hare Intl

$301

Delta

Jun 7

ORD5:30 amChicago O'Hare Intl

5h 23m

1 stop

SDF11:53 amLouisville Intl

Jun 10

SDF2:19 pmLouisville Intl

8h 06m

2 stops

ORD9:25 pmChicago O'Hare Intl

$311

American Airlines flights from Chicago to Louisville

Our best American Airlines deals on Chicago to Louisville flight tickets

American Airlines

Jun 17

ORD7:44 pmChicago O'Hare Intl

1h 35m

SDF10:19 pmLouisville Intl

Jun 24

SDF6:51 amLouisville Intl

1h 47m

ORD7:38 amChicago O'Hare Intl

$258

American Airlines

Jun 2

ORD3:49 pmChicago O'Hare Intl

1h 37m

SDF6:26 pmLouisville Intl

Jun 3

SDF7:38 amLouisville Intl

5h 21m

1 stop

ORD11:59 amChicago O'Hare Intl

$267

American Airlines

Jun 16

ORD8:00 amChicago O'Hare Intl

1h 35m

SDF10:35 amLouisville Intl

Jun 23

SDF7:18 pmLouisville Intl

1h 56m

ORD8:14 pmChicago O'Hare Intl

$268

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoLouisville

ORD - SDF

ORDSDF

Chicago O'Hare Intl

Tue 6/2

6:59 am-9:26 am

Nonstop1h 27m

Louisville Intl

Wed 6/3

9:00 am-9:38 am

Nonstop1h 38m

$257

Quickest round-trip

ChicagoLouisville

MDW - SDF

MDWSDF

Chicago Midway

Tue 6/2

6:20 pm-8:35 pm

Nonstop1h 15m

Louisville Intl

Wed 6/3

8:55 am-9:15 am

Nonstop1h 20m

$257

ChicagoLouisville

ORD - SDF

ORDSDF

Chicago O'Hare Intl

Wed 6/17

7:44 pm-10:19 pm

Nonstop1h 35m

Louisville Intl

Wed 6/24

6:51 am-7:38 am

Nonstop1h 47m

$258

ChicagoLouisville

ORD - SDF

ORDSDF

Chicago O'Hare Intl

Tue 6/2

3:49 pm-6:26 pm

Nonstop1h 37m

Louisville Intl

Wed 6/3

7:38 am-11:59 am

1 stop5h 21m

$267

ChicagoLouisville

MDW - SDF

MDWSDF

Chicago Midway

Tue 6/2

9:50 am-2:45 pm

1 stop3h 55m

Louisville Intl

Wed 6/3

3:30 pm-3:45 pm

Nonstop1h 15m

$267

ChicagoLouisville

ORD - SDF

ORDSDF

Chicago O'Hare Intl

Tue 6/16

8:00 am-10:35 am

Nonstop1h 35m

Louisville Intl

Tue 6/23

7:18 pm-8:14 pm

Nonstop1h 56m

$268

ChicagoLouisville

ORD - SDF

ORDSDF

Chicago O'Hare Intl

Mon 6/1

7:41 pm-10:19 pm

Nonstop1h 38m

Louisville Intl

Tue 6/2

10:47 am-11:30 am

Nonstop1h 43m

$272

ChicagoLouisville

MDW - SDF

MDWSDF

Chicago Midway

Tue 6/2

7:40 am-9:50 am

Nonstop1h 10m

Louisville Intl

Wed 6/3

1:35 pm-8:10 pm

2 stops7h 35m

$272

ChicagoLouisville

ORD - SDF

ORDSDF

Chicago O'Hare Intl

Wed 7/8

7:29 pm-10:04 pm

Nonstop1h 35m

Louisville Intl

Tue 7/14

6:48 am-7:35 am

Nonstop1h 47m

$275

ChicagoLouisville

ORD - SDF

ORDSDF

Chicago O'Hare Intl

Thu 5/28

2:15 pm-4:49 pm

Nonstop1h 34m

Louisville Intl

Sat 5/30

2:10 pm-2:50 pm

Nonstop1h 40m

$281

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?

What is the cheapest month to fly to Louisville?

If you are unable to visit Louisville during the month of October, then departing from Chicago during the month August is also very affordable. Most momondo users find prices during this month for around $77.

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 $285. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from Chicago to Louisville on a Sunday will generally be more expensive and average around $466. 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 $305. In the evening is when there is more demand to fly to Louisville, so prices are often more expensive at around $355 per ticket.

What is the cheapest Chicago to Louisville Intl flight route?

Fly from Chicago O'Hare Intl 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 $339 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 $220 on momondo.

How have Chicago to Louisville flight prices changed over time?

As of May 2026, prices for Chicago to Louisville flights are approximately 143% 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	$172
Fastest flight time	1h 10m
Direct flights	Every day
Airports in Louisville	1 airport

The best one-way flight to Louisville from Chicago in the past 72 hours is $172. The best round-trip flight deal from Chicago to Louisville found on momondo in the last 72 hours is $292.

The fastest flight from Chicago to Louisville takes 1h 10m

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 10m.
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 May 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, making up 23.92% of the total bookings. Other popular models include Embraer 175 (Enhanced Winglets) with 23.78%, Canadair (Bombardier) Regional Jet CRJ-550 with 23.34%, and Boeing 737-800 Passenger/BBJ2 (winglets) with 9.51%.
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 American Airlines, representing 34% of all bookings. The subsequent popular airlines are Southwest at 33% and United Airlines at 33%.

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 $124	Free Cancellation	Rating 7.9 4,305 reviews	Search Southwest flights
United Airlines	PriceFrom $133	Free Cancellation	Rating 7.4 9,683 reviews	Search United Airlines flights
American Airlines	PriceFrom $136	Free Cancellation	Rating 7.1 11,668 reviews	Search American Airlines flights

Southwest Flights From Chicago to Louisville
Southwest flies from Chicago to Louisville around 15 times per week, with 4,305 momondo users rating the airline 7.9/10. The cheapest Southwest deal from Chicago to Louisville in the last 72 hours was $124 (round-trip), much lower than the average airfare cost of $248 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 $133 round-trip, depending on your selected dates, with average United Airlines deals seen on momondo around $346. United Airlines operates 51 flights to Louisville from Chicago in an average week. Users have rated it 7.4/10 across 9,683 reviews.

French Lick

Elizabethtown

West Baden Springs

Jeffersonville

Bardstown

New Albany

Shepherdsville

Brandenburg

Corydon

Elizabeth

Charlestown

Springfield

Georgetown

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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Cheap flights from Chicago to Louisville from $94

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 5/30. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Our best American Airlines deals on Chicago to Louisville flight tickets

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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?

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

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

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

Southwest Flights From Chicago to Louisville

United Airlines Flights From Chicago to Louisville

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

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

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

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