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

20 flights are operational daily from Louisville to Illinois as of May 2026. The most popular departure time for this route is 11:00AM, with 48% of flights per day taking off at noon.

What airlines fly to Illinois?

United Airlines, American Airlines and Southwest are the top three most popular airlines that fly to Illinois from Louisville according to our data. United Airlines is the first choice among our users, with 45% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 4 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.

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

Allegiant Air, Southwest, and Delta are the most popular carriers operating from Louisville Intl to Illinois

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

As of May 2026, there are 145 flights per week flying from Louisville to Illinois. The most common day of the week flights depart is Tue, with 36% of flights taking off on this day.

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

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

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

The number of operators available for flights from Louisville Intl Airport to Illinois is 3 as of May 2026.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Louisville Intl Airport to Illinois.

What documentation or ID do you need to fly to Illinois?

The travel and health documents you'll need for your trip to Illinois 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 Illinois. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$111 Cheap Flights from Louisville to Illinois 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 Louisville to Illinois

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:10 pm - 12:25 pm

SDF

ORD

16h 15m

1 stop

7:55 am - 9:49 am

ORD

SDF

24h 54m

1 stop

$264Multiple Airlines

Mon, Aug 17 - Thu, Aug 20

6:51 am - 7:38 am

SDF

ORD

1h 47mnonstop

8:00 am - 10:35 am

ORD

SDF

1h 35mnonstop

$275American Airlines

Tue, Jun 30 - Wed, Jul 1

7:45 pm - 8:00 pm

SDF

MDW

1h 15mnonstop

7:45 am - 10:05 am

MDW

SDF

1h 20mnonstop

$275Southwest

Wed, Jul 8 - Wed, Jul 15

4:15 pm - 4:30 pm

SDF

MDW

1h 15mnonstop

7:45 am - 10:05 am

MDW

SDF

1h 20mnonstop

$276Southwest

Tue, Jun 16 - Wed, Jun 17

7:18 pm - 8:14 pm

SDF

ORD

1h 56mnonstop

7:44 pm - 10:19 pm

ORD

SDF

1h 35mnonstop

$276American Airlines

Tue, Jun 9 - Tue, Jun 16

7:18 pm - 8:14 pm

SDF

ORD

1h 56mnonstop

8:00 am - 10:35 am

ORD

SDF

1h 35mnonstop

$277American Airlines

Tue, Jun 9 - Tue, Jun 16

6:00 am - 10:16 am

SDF

MLI

5h 16m

1 stop

5:56 am - 11:53 am

MLI

SDF

4h 57m

1 stop

$289Delta

Wed, Jun 17 - Sun, Jun 21

5:26 pm - 8:31 pm

SDF

ORD

4h 05m

1 stop

8:52 am - 1:42 pm

ORD

SDF

3h 50m

1 stop

$295Delta

Tue, Jun 30 - Wed, Jul 8

7:55 pm - 11:29 pm

SDF

STL

4h 34m

1 stop

11:25 am - 7:01 pm

STL

SDF

6h 36m

1 stop

$345United Airlines

Thu, Jul 23 - Tue, Jul 28

9:00 am - 12:02 pm

SDF

STL

4h 02m

1 stop

5:30 pm - 10:28 pm

STL

SDF

3h 58m

1 stop

$365United Airlines

Tue, Aug 18 - Wed, Aug 19

Delta flights from Louisville to Illinois

Our best Delta deals on Louisville to Illinois flight tickets

Delta

Jun 17

SDF6:00 amLouisville Intl

5h 16m

1 stop

MLI10:16 amMoline Quad-City

Jun 21

MLI5:56 amMoline Quad-City

4h 57m

1 stop

SDF11:53 amLouisville Intl

$289

Delta

Jun 30

SDF5:26 pmLouisville Intl

4h 05m

1 stop

ORD8:31 pmChicago O'Hare Intl

Jul 8

ORD8:52 amChicago O'Hare Intl

3h 50m

1 stop

SDF1:42 pmLouisville Intl

$295

Delta

Jun 9

SDF2:19 pmLouisville Intl

5h 12m

1 stop

MDW6:31 pmChicago Midway

Jun 16

MDW9:17 amChicago Midway

6h 29m

1 stop

SDF4:46 pmLouisville Intl

$296

United Airlines flights from Louisville to Illinois

Our best United Airlines deals on Louisville to Illinois flight tickets

United Airlines

May 27

SDF6:00 amLouisville Intl

1h 39m

ORD6:39 amChicago O'Hare Intl

Aug 5

ORD11:00 amChicago O'Hare Intl

1h 35m

SDF1:35 pmLouisville Intl

$275

United Airlines

Jun 10

SDF7:19 amLouisville Intl

1h 41m

ORD8:00 amChicago O'Hare Intl

Jun 14

ORD9:27 pmChicago O'Hare Intl

1h 29m

SDF11:56 pmLouisville Intl

$318

United Airlines

Jun 12

SDF7:47 pmLouisville Intl

1h 43m

ORD8:30 pmChicago O'Hare Intl

Jun 14

ORD4:29 pmChicago O'Hare Intl

1h 31m

SDF7:00 pmLouisville Intl

$337

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LouisvilleChicago

SDF - ORD

SDFORD

Louisville Intl

Mon 8/17

9:10 pm-12:25 pm

1 stop16h 15m

Chicago O'Hare Intl

Thu 8/20

7:55 am-9:49 am

1 stop24h 54m

$264

LouisvilleChicago

SDF - ORD

SDFORD

Louisville Intl

Tue 6/30

6:51 am-7:38 am

Nonstop1h 47m

Chicago O'Hare Intl

Wed 7/1

8:00 am-10:35 am

Nonstop1h 35m

$275

Quickest round-trip

LouisvilleChicago

SDF - MDW

SDFMDW

Louisville Intl

Wed 7/8

7:45 pm-8:00 pm

Nonstop1h 15m

Chicago Midway

Wed 7/15

7:45 am-10:05 am

Nonstop1h 20m

$275

LouisvilleChicago

SDF - MDW

SDFMDW

Louisville Intl

Tue 6/16

4:15 pm-4:30 pm

Nonstop1h 15m

Chicago Midway

Wed 6/17

7:45 am-10:05 am

Nonstop1h 20m

$276

LouisvilleChicago

SDF - ORD

SDFORD

Louisville Intl

Tue 6/9

7:18 pm-8:14 pm

Nonstop1h 56m

Chicago O'Hare Intl

Tue 6/16

7:44 pm-10:19 pm

Nonstop1h 35m

$276

LouisvilleChicago

SDF - ORD

SDFORD

Louisville Intl

Tue 6/9

7:18 pm-8:14 pm

Nonstop1h 56m

Chicago O'Hare Intl

Tue 6/16

8:00 am-10:35 am

Nonstop1h 35m

$277

LouisvilleMoline

SDF - MLI

SDFMLI

Louisville Intl

Wed 6/17

6:00 am-10:16 am

1 stop5h 16m

Moline Quad-City

Sun 6/21

5:56 am-11:53 am

1 stop4h 57m

$289

LouisvilleChicago

SDF - ORD

SDFORD

Louisville Intl

Tue 6/30

5:26 pm-8:31 pm

1 stop4h 05m

Chicago O'Hare Intl

Wed 7/8

8:52 am-1:42 pm

1 stop3h 50m

$295

LouisvilleSt. Louis

SDF - STL

SDFSTL

Louisville Intl

Thu 7/23

7:55 pm-11:29 pm

1 stop4h 34m

Lambert-St Louis

Tue 7/28

11:25 am-7:01 pm

1 stop6h 36m

$345

LouisvilleSt. Louis

SDF - STL

SDFSTL

Louisville Intl

Tue 8/18

9:00 am-12:02 pm

1 stop4h 02m

Lambert-St Louis

Wed 8/19

5:30 pm-10:28 pm

1 stop3h 58m

$365

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 Louisville to Illinois

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 cheapest month to fly to Illinois?

The cheapest month to fly to Illinois from Louisville is in January. Flight prices, which tend to average around $67, are often lower during this time because this is during the off-season. If you aren’t able to travel to Illinois during the month of January, then flying in December is also cheap. Prices for this month can be found on momondo for an average of $77.

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

The cheapest day to depart from Louisville to Illinois is on a Friday when prices can be found for as low as $494. Flights from Louisville to Illinois on a Sunday will generally be more expensive and average around $632. 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 Illinois?

Our most recent data shows that the best time of day to fly to Illinois is in the morning. Flights from Louisville to Illinois during this time can be as low as $493. Flights at noon are often more expensive with an average ticket price of $858.

What is the cheapest Louisville Intl to Illinois flight route?

Fly from Louisville Intl to Chicago O'Hare Intl for the best Louisville Intl - Illinois flight prices

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

You are more likely to see cheaper flights to Illinois from Louisville when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $295 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Louisville for as low as $95 on momondo.

Can stopping save me money on Louisville to Illinois flights?

You could potentially save up to 61% on your flight if you consider stops on a Louisville to Illinois flight.

Cheap Louisville to Illinois flight deals and tips

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

Best Price Found	$203
Fastest flight time	1h 15m
Direct flights	Every day
Airports in Illinois	98 airports

The best one-way flight to Illinois from Louisville in the past 72 hours is $203. The best round-trip flight deal from Louisville to Illinois found on momondo in the last 72 hours is $375.

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

Direct flights go from Louisville to Illinois every day.

There are 98 airports in Illinois. From Louisville there are direct flights to Chicago O'Hare Intl (ORD), Chicago Midway (MDW).

Search flight deals

Frequently asked questions about flying from Louisville to Illinois

When did momondo last update prices for flights from Louisville Intl Airport to Illinois?
Prices for flights from Louisville Intl Airport to Illinois refresh daily.
How many operators does momondo search for flights from Louisville Intl Airport to Illinois?
The number of operators available for flights from Louisville Intl Airport to Illinois is 3 as of May 2026.
How old do you have to be to fly from Louisville Intl Airport to Illinois?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Louisville Intl Airport to Illinois.
What documentation or ID do you need to fly to Illinois?
The travel and health documents you'll need for your trip to Illinois 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 Illinois. 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 Louisville to Illinois?
momondo data reveals that the most frequently booked plane model on the route from Louisville to Illinois is Embraer 175, representing 18.86% of all bookings. The subsequent popular models are Embraer 175 (Enhanced Winglets) at 18.22%, Canadair (Bombardier) Regional Jet CRJ-550 at 16.61%, and Boeing 737 MAX 8 at 12.75%.

Best airlines flying from Louisville to Illinois

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

Airline	Rating	Free Cancellation	Price
Southwest	PriceFrom $77	Free Cancellation	Rating 7.9 4,284 reviews	Search Southwest flights
American Airlines	PriceFrom $97	Free Cancellation	Rating 7.1 11,645 reviews	Search American Airlines flights
United Airlines	PriceFrom $122	Free Cancellation	Rating 7.4 9,732 reviews	Search United Airlines flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Louisville to Illinois. momondo saves you time and could save you money on your trip.

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

momondo does allow users to show only those flights to Illinois from Louisville which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search for Louisville to Illinois 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 Louisville to Illinois right now. Can momondo alert me if prices change?

Price alerts on flights to Illinois from Louisville are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Illinois 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

Thu 6/18

Thu 6/25

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 Illinois

Popular cities

Other flights from Louisville

Other flights to Illinois

Airlines

Complete your trip

Feeling lucky

Popular cities in Illinois

Flights to New Yorkfrom $88

Flights to Los Angelesfrom $47

Flights to Orlandofrom $58

Flights to Miamifrom $55

Flights to Chicagofrom $62

Flights to San Franciscofrom $54

Flights to Las Vegasfrom $48

Flights to Washington, D.C.from $56

Flights to Bostonfrom $63

Flights to Atlantafrom $54

Flights to Fort Lauderdalefrom $56

Flights to Dallasfrom $96

Cheap flights from Louisville to Illinois from $111

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Louisville to Illinois departing on 7/26. 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 Louisville to Illinois

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

Delta flights from Louisville to Illinois

Our best Delta deals on Louisville to Illinois flight tickets

United Airlines flights from Louisville to Illinois

Our best United Airlines deals on Louisville to Illinois flight tickets

momondo Fare Finder

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

See travel insights to Illinois from

How to get the cheapest flight ticket from Louisville to Illinois

What is the cheapest month to fly to Illinois?

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

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

What is the cheapest Louisville Intl to Illinois flight route?

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

Can stopping save me money on Louisville to Illinois flights?

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

What airlines fly to Illinois?

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

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

Cheap Louisville to Illinois flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Airports in Illinois

Frequently asked questions about flying from Louisville to Illinois

Best airlines flying from Louisville to Illinois

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

Why use momondo?

An easier way to manage your Illinois 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 Illinois

Popular cities in Illinois

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

Louisville flight routes

According to popular flight searches on momondo this year

Illinois flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Illinois

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

Complete your trip to Illinois

Explore popular destinations other users love

According to popular flight searches on momondo this year