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

34 flights are operational daily from Louisville to Illinois as of July 2026. The most popular departure time for this route is 6:00AM, with 54% of flights per day taking off at noon.

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

Southwest, United Airlines, 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 July 2026, there are 239 flights per week flying from Louisville to Illinois. The most common day of the week flights depart is Tue, with 18% of flights taking off on this day.

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 50% 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.

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 July 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.

$96 Cheap Flights from Louisville to Illinois in 2026

Discover deals from 900+ travel sites with momondo.

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.

7:10 am - 7:50 am

SDF

ORD

1h 40mnonstop

2:00 pm - 4:38 pm

ORD

SDF

1h 38mnonstop

$217United Airlines

Sat, Aug 15 - Tue, Aug 25

7:10 pm - 7:25 pm

SDF

MDW

1h 15mnonstop

6:10 pm - 8:25 pm

MDW

SDF

1h 15mnonstop

$217Southwest

Mon, Aug 10 - Mon, Aug 17

6:28 am - 7:15 am

SDF

ORD

1h 47mnonstop

7:15 am - 9:45 am

ORD

SDF

1h 30mnonstop

$222American Airlines

Fri, Aug 14 - Sat, Aug 15

7:10 pm - 7:25 pm

SDF

MDW

1h 15mnonstop

8:00 am - 10:25 am

MDW

SDF

1h 25mnonstop

$222Southwest

Thu, Aug 13 - Fri, Aug 14

6:28 am - 7:15 am

SDF

ORD

1h 47mnonstop

3:24 pm - 6:00 pm

ORD

SDF

1h 36mnonstop

$227American Airlines

Fri, Aug 21 - Sun, Aug 23

7:10 pm - 7:25 pm

SDF

MDW

1h 15mnonstop

9:00 am - 3:30 pm

MDW

SDF

5h 30m

1 stop

$227Southwest

Mon, Aug 10 - Thu, Aug 13

6:30 pm - 7:24 pm

SDF

ORD

1h 54mnonstop

8:05 am - 10:35 am

ORD

SDF

1h 30mnonstop

$232American Airlines

Wed, Sep 2 - Sun, Sep 6

10:34 am - 4:17 pm

SDF

ORD

6h 43m

1 stop

8:48 am - 1:51 pm

ORD

SDF

4h 03m

1 stop

$237Delta

Sat, Aug 8 - Mon, Aug 10

7:55 am - 12:39 pm

SDF

MDW

5h 44m

1 stop

9:24 am - 1:51 pm

MDW

SDF

3h 27m

1 stop

$237Delta

Mon, Aug 10 - Mon, Aug 17

9:00 am - 9:41 am

SDF

ORD

1h 41mnonstop

4:30 pm - 7:07 pm

ORD

SDF

1h 37mnonstop

$266United Airlines

Fri, Aug 21 - Mon, Aug 24

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United Airlines flights from Louisville to Illinois

Our best United Airlines deals on Louisville to Illinois flight tickets

United Airlines

Aug 15

SDF7:10 amLouisville Intl

1h 40m

ORD7:50 amChicago O'Hare Intl

Aug 25

ORD2:00 pmChicago O'Hare Intl

1h 38m

SDF4:38 pmLouisville Intl

$217

United Airlines

Aug 21

SDF9:00 amLouisville Intl

1h 41m

ORD9:41 amChicago O'Hare Intl

Aug 24

ORD4:30 pmChicago O'Hare Intl

1h 37m

SDF7:07 pmLouisville Intl

$266

United Airlines

Aug 20

SDF9:00 amLouisville Intl

1h 41m

ORD9:41 amChicago O'Hare Intl

Aug 23

ORD6:56 amChicago O'Hare Intl

1h 42m

SDF9:38 amLouisville Intl

$281

American Airlines flights from Louisville to Illinois

Our best American Airlines deals on Louisville to Illinois flight tickets

American Airlines

Aug 14

SDF6:28 amLouisville Intl

1h 47m

ORD7:15 amChicago O'Hare Intl

Aug 15

ORD7:15 amChicago O'Hare Intl

1h 30m

SDF9:45 amLouisville Intl

$222

American Airlines

Aug 21

SDF6:28 amLouisville Intl

1h 47m

ORD7:15 amChicago O'Hare Intl

Aug 23

ORD3:24 pmChicago O'Hare Intl

1h 36m

SDF6:00 pmLouisville Intl

$227

American Airlines

Sep 2

SDF6:30 pmLouisville Intl

1h 54m

ORD7:24 pmChicago O'Hare Intl

Sep 6

ORD8:05 amChicago O'Hare Intl

1h 30m

SDF10:35 amLouisville Intl

$232

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LouisvilleChicago

SDF - ORD

SDFORD

Louisville Intl

Sat 8/15

7:10 am-7:50 am

Nonstop1h 40m

Chicago O'Hare Intl

Tue 8/25

2:00 pm-4:38 pm

Nonstop1h 38m

$217

Quickest round-trip

LouisvilleChicago

SDF - MDW

SDFMDW

Louisville Intl

Mon 8/10

7:10 pm-7:25 pm

Nonstop1h 15m

Chicago Midway

Mon 8/17

6:10 pm-8:25 pm

Nonstop1h 15m

$217

LouisvilleChicago

SDF - ORD

SDFORD

Louisville Intl

Fri 8/14

6:28 am-7:15 am

Nonstop1h 47m

Chicago O'Hare Intl

Sat 8/15

7:15 am-9:45 am

Nonstop1h 30m

$222

LouisvilleChicago

SDF - MDW

SDFMDW

Louisville Intl

Thu 8/13

7:10 pm-7:25 pm

Nonstop1h 15m

Chicago Midway

Fri 8/14

8:00 am-10:25 am

Nonstop1h 25m

$222

LouisvilleChicago

SDF - ORD

SDFORD

Louisville Intl

Fri 8/21

6:28 am-7:15 am

Nonstop1h 47m

Chicago O'Hare Intl

Sun 8/23

3:24 pm-6:00 pm

Nonstop1h 36m

$227

LouisvilleChicago

SDF - MDW

SDFMDW

Louisville Intl

Mon 8/10

7:10 pm-7:25 pm

Nonstop1h 15m

Chicago Midway

Thu 8/13

9:00 am-3:30 pm

1 stop5h 30m

$227

LouisvilleChicago

SDF - ORD

SDFORD

Louisville Intl

Wed 9/2

6:30 pm-7:24 pm

Nonstop1h 54m

Chicago O'Hare Intl

Sun 9/6

8:05 am-10:35 am

Nonstop1h 30m

$232

LouisvilleChicago

SDF - ORD

SDFORD

Louisville Intl

Sat 8/8

10:34 am-4:17 pm

1 stop6h 43m

Chicago O'Hare Intl

Mon 8/10

8:48 am-1:51 pm

1 stop4h 03m

$237

LouisvilleChicago

SDF - MDW

SDFMDW

Louisville Intl

Mon 8/10

7:55 am-12:39 pm

1 stop5h 44m

Chicago Midway

Mon 8/17

9:24 am-1:51 pm

1 stop3h 27m

$237

LouisvilleChicago

SDF - ORD

SDFORD

Louisville Intl

Fri 8/21

9:00 am-9:41 am

Nonstop1h 41m

Chicago O'Hare Intl

Mon 8/24

4:30 pm-7:07 pm

Nonstop1h 37m

$266

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 October. Flight prices, which tend to average around $226, 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 October, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $231.

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 $490. Flights from Louisville to Illinois on a Sunday will generally be more expensive and average around $654. 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 $508. Flights at noon are often more expensive with an average ticket price of $916.

What is the cheapest Louisville Intl to Illinois flight route?

Fly from Louisville Intl to Chicago Midway 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 $320 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 $114 on momondo.

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

There are 4 cabin classes available to choose from on Louisville to Illinois flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Louisville to Illinois flights?

You could potentially save up to 56% 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	$229
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 $229. The best round-trip flight deal from Louisville to Illinois found on momondo in the last 72 hours is $356.

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 July 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 20.90% of all bookings. The subsequent popular models are Embraer 175 (Enhanced Winglets) at 20.08%, Canadair (Bombardier) Regional Jet CRJ-550 at 17.53%, and Boeing 737 MAX 8 at 9.79%.

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 8.0 4,241 reviews	Search Southwest flights
American Airlines	PriceFrom $97	Free Cancellation	Rating 7.1 11,835 reviews	Search American Airlines flights
United Airlines	PriceFrom $137	Free Cancellation	Rating 7.4 10,020 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.

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Popular cities in Illinois

Flights to New Yorkfrom $73

Flights to Los Angelesfrom $56

Flights to Orlandofrom $57

Flights to Miamifrom $69

Flights to Chicagofrom $76

Flights to San Franciscofrom $55

Flights to Las Vegasfrom $46

Flights to Washington, D.C.from $56

Flights to Bostonfrom $110

Flights to Atlantafrom $56

Flights to Fort Lauderdalefrom $58

Flights to Dallasfrom $77

Cheap flights from Louisville to Illinois from $96

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 8/17. 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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United Airlines flights from Louisville to Illinois

Our best United Airlines deals on Louisville to Illinois flight tickets

American Airlines flights from Louisville to Illinois

Our best American Airlines deals on Louisville to Illinois flight tickets

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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?

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

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

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

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