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Cheap flights from Illinois to Louisville from $49

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Louisville departing on 12/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Illinois to Louisville

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
9:30 am - 12:06 pmORD-SDF
1h 36mnonstop
American Airlines Logo
6:27 am - 7:06 amSDF-ORD
1h 39mnonstop
$97American Airlines
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Thu, Dec 25 - Thu, Jan 1
United Airlines Logo
7:55 pm - 10:29 pmORD-SDF
1h 34mnonstop
United Airlines Logo
9:05 am - 9:49 amSDF-ORD
1h 44mnonstop
$107United Airlines
Find Deal
Wed, Dec 17 - Thu, Dec 25
Southwest Logo
2:25 pm - 4:35 pmMDW-SDF
1h 10mnonstop
Southwest Logo
8:10 pm - 8:30 pmSDF-MDW
1h 20mnonstop
$134Southwest
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Thu, Jan 1 - Mon, Jan 5
Delta Logo
7:05 am - 2:36 pmORD-SDF
6h 31m1 stop
Delta Logo
6:23 am - 11:47 amSDF-ORD
6h 24m1 stop
$157Delta
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Tue, Jan 27 - Wed, Feb 4
Delta Logo
7:05 am - 2:36 pmORD-SDF
6h 31m1 stop
Delta Logo
7:53 am - 5:56 pmSDF-ORD
11h 03m2 stops
$162Delta
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Tue, Jan 27 - Wed, Feb 4
Southwest Logo
9:55 am - 12:10 pmMDW-SDF
1h 15mnonstop
Southwest Logo
4:05 pm - 4:25 pmSDF-MDW
1h 20mnonstop
$171Southwest
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Sat, Feb 7 - Sat, Feb 7
Multiple Airlines Logo
8:45 am - 3:36 pmORD-SDF
29h 51m1 stop
Multiple Airlines Logo
11:55 am - 11:08 amSDF-ORD
24h 13m1 stop
$223Multiple Airlines
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Sun, Dec 7 - Sun, Dec 14
Multiple Airlines Logo
6:00 am - 2:15 pmORD-SDF
7h 15m1 stop
Multiple Airlines Logo
11:55 am - 11:08 amSDF-ORD
24h 13m1 stop
$247Multiple Airlines
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Sun, Dec 7 - Sun, Dec 14
Spirit Airlines Logo
5:32 pm - 1:00 pmORD-SDF
18h 28m2 stops
Spirit Airlines Logo
1:55 pm - 2:19 pmSDF-ORD
25h 24m3 stops
$277Spirit Airlines
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Tue, Jan 27 - Wed, Feb 4
Spirit Airlines Logo
7:52 pm - 1:00 pmORD-SDF
16h 08m2 stops
Spirit Airlines Logo
3:28 pm - 6:39 pmSDF-ORD
28h 11m3 stops
$286Spirit Airlines
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Thu, Feb 5 - Sun, Feb 8

American Airlines flights from Illinois to Louisville

Our best American Airlines deals on Illinois to Louisville flight tickets
American Airlines
Dec 25
ORD9:30 amChicago O'Hare Intl
1h 36m
SDF12:06 pmLouisville Intl
Jan 1
SDF6:27 amLouisville Intl
1h 39m
ORD7:06 amChicago O'Hare Intl
$97
Find similar
American Airlines
Jan 1
ORD10:53 amChicago O'Hare Intl
1h 37m
SDF1:30 pmLouisville Intl
Jan 5
SDF8:05 amLouisville Intl
1h 40m
ORD8:45 amChicago O'Hare Intl
$136
Find similar
American Airlines
Dec 10
ORD8:20 pmChicago O'Hare Intl
1h 36m
SDF10:56 pmLouisville Intl
Dec 13
SDF6:21 pmLouisville Intl
1h 55m
ORD7:16 pmChicago O'Hare Intl
$144
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United Airlines flights from Illinois to Louisville

Our best United Airlines deals on Illinois to Louisville flight tickets
United Airlines
Dec 17
ORD7:55 pmChicago O'Hare Intl
1h 34m
SDF10:29 pmLouisville Intl
Dec 25
SDF9:05 amLouisville Intl
1h 44m
ORD9:49 amChicago O'Hare Intl
$107
Find similar
United Airlines
Jan 27
ORD7:52 pmChicago O'Hare Intl
1h 38m
SDF10:30 pmLouisville Intl
Feb 4
SDF5:35 amLouisville Intl
1h 44m
ORD6:19 amChicago O'Hare Intl
$117
Find similar
United Airlines
Nov 23
ORD7:30 amChicago O'Hare Intl
1h 29m
SDF9:59 amLouisville Intl
Nov 27
SDF7:00 amLouisville Intl
1h 40m
ORD7:40 amChicago O'Hare Intl
$260
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Illinois to Louisville that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated November 10, 2025.
Use the filters below to find and compare flights from Illinois to Louisville that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoLouisville

ORD - SDF

ORDSDF

Chicago O'Hare Intl

Thu 12/25

9:30 am-12:06 pm

Nonstop1h 36m

Louisville Intl

Thu 1/1

6:27 am-7:06 am

Nonstop1h 39m

$97

ChicagoLouisville

ORD - SDF

ORDSDF

Chicago O'Hare Intl

Wed 12/17

7:55 pm-10:29 pm

Nonstop1h 34m

Louisville Intl

Thu 12/25

9:05 am-9:49 am

Nonstop1h 44m

$107

ChicagoLouisville

MDW - SDF

MDWSDF

Chicago Midway

Thu 1/1

2:25 pm-4:35 pm

Nonstop1h 10m

Louisville Intl

Mon 1/5

8:10 pm-8:30 pm

Nonstop1h 20m

$134

ChicagoLouisville

ORD - SDF

ORDSDF

Chicago O'Hare Intl

Tue 1/27

7:05 am-2:36 pm

1 stop6h 31m

Louisville Intl

Wed 2/4

6:23 am-11:47 am

1 stop6h 24m

$157

ChicagoLouisville

ORD - SDF

ORDSDF

Chicago O'Hare Intl

Tue 1/27

7:05 am-2:36 pm

1 stop6h 31m

Louisville Intl

Wed 2/4

7:53 am-5:56 pm

2 stops11h 03m

$162

ChicagoLouisville

MDW - SDF

MDWSDF

Chicago Midway

Sat 2/7

9:55 am-12:10 pm

Nonstop1h 15m

Louisville Intl

Sat 2/7

4:05 pm-4:25 pm

Nonstop1h 20m

$171

ChicagoLouisville

ORD - SDF

ORDSDF

Chicago O'Hare Intl

Sun 12/7

8:45 am-3:36 pm

1 stop29h 51m

Louisville Intl

Sun 12/14

11:55 am-11:08 am

1 stop24h 13m

$223

ChicagoLouisville

ORD - SDF

ORDSDF

Chicago O'Hare Intl

Sun 12/7

6:00 am-2:15 pm

1 stop7h 15m

Louisville Intl

Sun 12/14

11:55 am-11:08 am

1 stop24h 13m

$247

ChicagoLouisville

ORD - SDF

ORDSDF

Chicago O'Hare Intl

Tue 1/27

5:32 pm-1:00 pm

2 stops18h 28m

Louisville Intl

Wed 2/4

1:55 pm-2:19 pm

3 stops25h 24m

$277

ChicagoLouisville

ORD - SDF

ORDSDF

Chicago O'Hare Intl

Thu 2/5

7:52 pm-1:00 pm

2 stops16h 08m

Louisville Intl

Sun 2/8

3:28 pm-6:39 pm

3 stops28h 11m

$286

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Louisville from

How to get the cheapest flight ticket from Illinois 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

What is the cheapest month to fly to Louisville?

If you are unable to visit Louisville during the month of August, then departing from Illinois 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 Illinois 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 Illinois to Louisville on a Monday will generally be more expensive and average around $553. 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 Illinois to Louisville flights are usually those with departure times in the evening. Our users have found flights to Louisville in the evening for as low as $286. In the morning is when there is more demand to fly to Louisville, so prices are often more expensive at around $310 per ticket.

What is the cheapest Illinois to Louisville Intl flight route?

Fly from Chicago Midway to Louisville Intl for the best Illinois - 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 Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Louisville for around $320 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Louisville from Illinois for as low as $186 on momondo.

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

There are 4 cabin classes available to choose from on Illinois to Louisville Intl 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 Illinois to Louisville flights?

No. A direct flight is the cheapest option for a flight between Illinois to Louisville.

Cheap Illinois to Louisville flight deals and tips

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

Best Price Found

$85

Fastest flight time

1h 10m

Direct flights

Every day

Airports in Louisville

1 airport
The best one-way flight to Louisville from Illinois in the past 72 hours is $85. The best round-trip flight deal from Illinois to Louisville found on momondo in the last 72 hours is $196.
The fastest flight from Illinois to Louisville takes 1h 10m
Direct flights go from Illinois to Louisville every day.
There is 1 airport near Louisville: Louisville Intl (SDF)
Search flight deals

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

    Prices for flights from Illinois to Louisville Intl Airport were last updated today.

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

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

    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 Illinois to Louisville Intl Airport.

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

    The required travel and health documents for your Louisville Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Louisville Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Illinois to Louisville?

Best airlines flying from Illinois to Louisville

Compare and see reviews for airlines that fly from Illinois to Louisville with momondo
Airline
Rating
Free Cancellation
Price
SouthwestPriceFrom $129Free CancellationRating
8.0
4,235 reviews
Search Southwest flights
American AirlinesPriceFrom $134Free CancellationRating
7.2
11,045 reviews
Search American Airlines flights
United AirlinesPriceFrom $137Free CancellationRating
7.4
9,012 reviews
Search United Airlines flights

Traveling to a place near Louisville?

Book flights to Louisville if you plan to visit one of these locations
French Lick
Elizabethtown
West Baden Springs
Bardstown
Jeffersonville
Shepherdsville
New Albany
Elizabeth
Corydon
Charlestown
Springfield
Georgetown
Brandenburg

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Illinois to Louisville. Millions of users trust and use momondo every year so you are in good hands.

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

Flights from Illinois to Louisville with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo provides multiple filters to help you find the best flight to Louisville from Illinois. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Price alerts on flights to Louisville from Illinois 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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