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

The number of flights available between Chicago and Louisville is 29 per day as of January 2026. The most frequent departure time is 5:00PM, with 41% of daily flights leaving in the afternoon.

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

203 flights are operational weekly from Chicago to Louisville as of January 2026. The most popular departure day for this route is Fri, with 17% of flights per week taking off on this day.

What airlines fly to Louisville?

American Airlines, United Airlines and Southwest are the top three most popular airlines that fly to Louisville from Chicago according to our data. American Airlines is the first choice among our users, with 47% 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.

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

American Airlines, Southwest, and Spirit Airlines are the most popular carriers operating from Chicago to Louisville Intl

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 January 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.

$74 Cheap Flights from Chicago to Louisville in 2026

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

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.

8:50 pm - 11:20 pm

ORD

SDF

1h 30mnonstop

7:30 am - 8:12 am

SDF

ORD

1h 42mnonstop

$169American Airlines

Wed, Mar 25 - Sat, Mar 28

6:54 pm - 9:26 pm

ORD

SDF

1h 32mnonstop

7:30 am - 8:12 am

SDF

ORD

1h 42mnonstop

$184American Airlines

Wed, Mar 25 - Sat, Mar 28

9:55 am - 12:10 pm

MDW

SDF

1h 15mnonstop

6:30 pm - 6:45 pm

SDF

MDW

1h 15mnonstop

$196Southwest

Mon, Mar 2 - Wed, Mar 4

3:40 pm - 8:40 am

ORD

SDF

16h 00m

1 stop

9:30 am - 11:22 am

SDF

ORD

26h 52m

1 stop

$196Multiple Airlines

Thu, Feb 19 - Mon, Feb 23

8:16 pm - 2:38 pm

ORD

SDF

17h 22m

1 stop

1:19 pm - 7:47 pm

SDF

ORD

7h 28m

1 stop

$202Spirit Airlines

Mon, Mar 2 - Wed, Mar 4

7:15 pm - 9:30 pm

MDW

SDF

1h 15mnonstop

8:05 pm - 8:20 pm

SDF

MDW

1h 15mnonstop

$203Southwest

Sat, Mar 14 - Mon, Mar 16

7:54 pm - 10:30 pm

ORD

SDF

1h 36mnonstop

10:00 am - 10:38 am

SDF

ORD

1h 38mnonstop

$203United Airlines

Tue, Apr 14 - Thu, Apr 16

5:58 pm - 2:38 pm

ORD

SDF

19h 40m

2 stops

1:19 pm - 9:22 am

SDF

ORD

21h 03m

2 stops

$212Spirit Airlines

Mon, Mar 2 - Wed, Mar 4

4:43 pm - 2:38 pm

ORD

SDF

20h 55m

1 stop

1:19 pm - 11:38 pm

SDF

ORD

11h 19m

1 stop

$214Multiple Airlines

Mon, Mar 2 - Fri, Mar 6

10:50 am - 1:23 pm

ORD

SDF

1h 33mnonstop

5:54 pm - 6:49 pm

SDF

ORD

1h 55mnonstop

$215United Airlines

Sat, Feb 28 - Sat, Feb 28

Southwest flights from Chicago to Louisville

Our best Southwest deals on Chicago to Louisville flight tickets

Southwest

Mar 2

MDW9:55 amChicago Midway

1h 15m

SDF12:10 pmLouisville Intl

Mar 4

SDF6:30 pmLouisville Intl

1h 15m

MDW6:45 pmChicago Midway

$196

Southwest

Mar 14

MDW7:15 pmChicago Midway

1h 15m

SDF9:30 pmLouisville Intl

Mar 16

SDF8:05 pmLouisville Intl

1h 15m

MDW8:20 pmChicago Midway

$203

Southwest

Mar 2

MDW9:55 amChicago Midway

1h 15m

SDF12:10 pmLouisville Intl

Mar 4

SDF2:30 pmLouisville Intl

5h 30m

1 stop

MDW7:00 pmChicago Midway

$206

Delta flights from Chicago to Louisville

Our best Delta deals on Chicago to Louisville flight tickets

Delta

Mar 23

ORD1:57 pmChicago O'Hare Intl

9h 00m

2 stops

SDF11:57 pmLouisville Intl

Mar 25

SDF2:17 pmLouisville Intl

3h 26m

1 stop

ORD4:43 pmChicago O'Hare Intl

$221

Delta

Apr 14

ORD5:10 amChicago O'Hare Intl

4h 14m

1 stop

SDF10:24 amLouisville Intl

Apr 16

SDF12:35 pmLouisville Intl

6h 38m

1 stop

ORD6:13 pmChicago O'Hare Intl

$223

Delta

Mar 2

MDW1:29 pmChicago Midway

9h 29m

2 stops

SDF11:58 pmLouisville Intl

Mar 4

SDF10:46 amLouisville Intl

8h 54m

2 stops

MDW6:40 pmChicago Midway

$227

Fly from

Fly to

Route

Depart

Return

Price

ChicagoLouisville

ORD - SDF

ORDSDF

Chicago O'Hare Intl

Wed 3/25

8:50 pm-11:20 pm

Nonstop1h 30m

Louisville Intl

Sat 3/28

7:30 am-8:12 am

Nonstop1h 42m

$169

ChicagoLouisville

ORD - SDF

ORDSDF

Chicago O'Hare Intl

Wed 3/25

6:54 pm-9:26 pm

Nonstop1h 32m

Louisville Intl

Sat 3/28

7:30 am-8:12 am

Nonstop1h 42m

$184

ChicagoLouisville

MDW - SDF

MDWSDF

Chicago Midway

Mon 3/2

9:55 am-12:10 pm

Nonstop1h 15m

Louisville Intl

Wed 3/4

6:30 pm-6:45 pm

Nonstop1h 15m

$196

ChicagoLouisville

ORD - SDF

ORDSDF

Chicago O'Hare Intl

Thu 2/19

3:40 pm-8:40 am

1 stop16h 00m

Louisville Intl

Mon 2/23

9:30 am-11:22 am

1 stop26h 52m

$196

ChicagoLouisville

ORD - SDF

ORDSDF

Chicago O'Hare Intl

Mon 3/2

8:16 pm-2:38 pm

1 stop17h 22m

Louisville Intl

Wed 3/4

1:19 pm-7:47 pm

1 stop7h 28m

$202

ChicagoLouisville

MDW - SDF

MDWSDF

Chicago Midway

Sat 3/14

7:15 pm-9:30 pm

Nonstop1h 15m

Louisville Intl

Mon 3/16

8:05 pm-8:20 pm

Nonstop1h 15m

$203

ChicagoLouisville

ORD - SDF

ORDSDF

Chicago O'Hare Intl

Tue 4/14

7:54 pm-10:30 pm

Nonstop1h 36m

Louisville Intl

Thu 4/16

10:00 am-10:38 am

Nonstop1h 38m

$203

ChicagoLouisville

ORD - SDF

ORDSDF

Chicago O'Hare Intl

Mon 3/2

5:58 pm-2:38 pm

2 stops19h 40m

Louisville Intl

Wed 3/4

1:19 pm-9:22 am

2 stops21h 03m

$212

ChicagoLouisville

ORD - SDF

ORDSDF

Chicago O'Hare Intl

Mon 3/2

4:43 pm-2:38 pm

1 stop20h 55m

Louisville Intl

Fri 3/6

1:19 pm-11:38 pm

1 stop11h 19m

$214

ChicagoLouisville

ORD - SDF

ORDSDF

Chicago O'Hare Intl

Sat 2/28

10:50 am-1:23 pm

Nonstop1h 33m

Louisville Intl

Sat 2/28

5:54 pm-6:49 pm

Nonstop1h 55m

$215

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 August, then departing from Chicago during the month September is also very affordable. Most momondo users find prices during this month for around $225.

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 Saturday. momondo users have found tickets for Saturday departures for as low as $255. 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 $501. 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 $292. At noon is when there is more demand to fly to Louisville, so prices are often more expensive at around $307 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 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 $307 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 $129 on momondo.

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

There are 4 cabin classes available to choose from on Chicago to Louisville Intl 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 January 2026, prices for Chicago to Louisville flights are approximately 4% cheaper 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 $277.

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

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 January 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 22.96% of the total bookings. Other popular models include Embraer 175 (Enhanced Winglets) with 21.63%, Canadair (Bombardier) Regional Jet CRJ-550 with 20.75%, and Boeing 737-800 Passenger/BBJ2 (winglets) with 8.17%.
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 Southwest, representing 38% of all bookings. The subsequent popular airlines are American Airlines at 36% and United Airlines at 26%.

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 8.0 4,267 reviews	Search Southwest flights
United Airlines	PriceFrom $127	Free Cancellation	Rating 7.4 9,219 reviews	Search United Airlines flights
American Airlines	PriceFrom $136	Free Cancellation	Rating 7.2 11,213 reviews	Search American Airlines flights

Southwest Flights From Chicago to Louisville
Southwest flies from Chicago to Louisville around 10 times per week, with 4,267 momondo users rating the airline 8.0/10. 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 $404 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 $127 round-trip, depending on your selected dates, with average United Airlines deals seen on momondo around $281. United Airlines operates 29 flights to Louisville from Chicago in an average week. Users have rated it 7.4/10 across 9,219 reviews.

French Lick

Elizabethtown

West Baden Springs

Bardstown

Jeffersonville

Shepherdsville

New Albany

Corydon

Elizabeth

Charlestown

Brandenburg

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.

Start using Trips

Find my bookings

Get notified when prices go down

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

1 adult

Mon 3/2

Mon 3/9

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States

Airports servicing Kentucky

Lexington Blue Grass Airport

Owensboro Daviess County Airport

Paducah Barkley Regional Airport

Popular cities in the United States

Flights to New Yorkfrom $49

Flights to Los Angelesfrom $46

Flights to Miamifrom $49

Flights to Chicagofrom $49

Flights to Orlandofrom $49

Flights to San Franciscofrom $67

Flights to Las Vegasfrom $40

Flights to Washington, D.C.from $46

Flights to Bostonfrom $52

Flights to Atlantafrom $42

Flights to Dallasfrom $51

Flights to Seattlefrom $73

Cheap flights from Chicago to Louisville from $74

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 2/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Chicago to Louisville

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

Southwest flights from Chicago to Louisville

Our best Southwest deals on Chicago to Louisville flight tickets

Delta flights from Chicago to Louisville

Our best Delta 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?

If you are unable to visit Louisville during the month of August, then departing from Chicago during the month September is also very affordable. Most momondo users find prices during this month for around $225.

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?

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 to Louisville?

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

There are 4 cabin classes available to choose from on Chicago to Louisville Intl 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 January 2026, prices for Chicago to Louisville flights are approximately 4% cheaper when compared to flights at the same time last year.

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

American Airlines, Southwest, and Spirit Airlines are the most popular carriers operating from Chicago to Louisville Intl

What airlines fly to Louisville?

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

The number of flights available between Chicago and Louisville is 29 per day as of January 2026. The most frequent departure time is 5:00PM, with 41% of daily flights leaving in the afternoon.

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

203 flights are operational weekly from Chicago to Louisville as of January 2026. The most popular departure day for this route is Fri, with 17% of flights per week taking off on this day.

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

How far is Chicago to Louisville Intl by plane?

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

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

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

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

What is the most popular plane model from Chicago to Louisville?

What is the most popular airline 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?

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

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

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

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

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