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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 9/27. 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

United Airlines Logo
7:26 am - 10:02 amORD-SDF
1h 36mnonstop
United Airlines Logo
7:36 pm - 8:25 pmSDF-ORD
1h 49mnonstop
$97United Airlines
Find Deal
Tue, Sep 23 - Tue, Sep 23
Southwest Logo
10:05 am - 12:25 pmMDW-SDF
1h 20mnonstop
Southwest Logo
7:10 pm - 7:30 pmSDF-MDW
1h 20mnonstop
$97Southwest
Find Deal
Tue, Sep 23 - Tue, Sep 23
American Airlines Logo
11:41 am - 2:03 pmORD-SDF
1h 22mnonstop
American Airlines Logo
2:42 pm - 3:22 pmSDF-ORD
1h 40mnonstop
$99American Airlines
Find Deal
Wed, Sep 24 - Tue, Sep 30
American Airlines Logo
6:09 pm - 8:45 pmORD-SDF
1h 36mnonstop
American Airlines Logo
1:02 pm - 1:44 pmSDF-ORD
1h 42mnonstop
$155American Airlines
Find Deal
Tue, Dec 9 - Tue, Dec 16
Delta Logo
9:10 am - 1:42 pmORD-SDF
3h 32m1 stop
Delta Logo
6:00 pm - 10:14 pmSDF-ORD
5h 14m1 stop
$177Delta
Find Deal
Tue, Sep 23 - Tue, Sep 23
Delta Logo
6:00 am - 11:43 amMDW-SDF
4h 43m1 stop
Delta Logo
6:00 pm - 9:36 pmSDF-MDW
4h 36m1 stop
$177Delta
Find Deal
Tue, Sep 23 - Tue, Sep 23
Spirit Airlines Logo
11:57 am - 10:04 pmORD-SDF
9h 07m1 stop
Spirit Airlines Logo
8:23 am - 5:39 pmSDF-ORD
10h 16m1 stop
$209Spirit Airlines
Find Deal
Thu, Sep 25 - Mon, Sep 29
Spirit Airlines Logo
7:41 pm - 6:03 pmORD-SDF
21h 22m1 stop
Spirit Airlines Logo
5:31 pm - 11:45 pmSDF-ORD
7h 14m1 stop
$213Spirit Airlines
Find Deal
Wed, Oct 15 - Wed, Oct 22
Logo
5:59 pm - 10:31 amORD-SDF
15h 32m1 stop
Logo
10:55 am - 11:42 pmSDF-ORD
13h 47m1 stop
$229
Find Deal
Thu, Dec 11 - Sun, Dec 14
Logo
6:44 pm - 8:57 amORD-SDF
13h 13m1 stop
Logo
8:23 am - 10:52 amSDF-ORD
27h 29m1 stop
$233
Find Deal
Thu, Sep 11 - Mon, Sep 15

Spirit Airlines flights from Illinois to Louisville

Our best Spirit Airlines deals on Illinois to Louisville flight tickets
Spirit Airlines
Sep 25
ORD11:57 amChicago O'Hare Intl
9h 07m
1 stop
SDF10:04 pmLouisville Intl
Sep 29
SDF8:23 amLouisville Intl
10h 16m
1 stop
ORD5:39 pmChicago O'Hare Intl
$209
Find similar
Spirit Airlines
Oct 15
ORD7:41 pmChicago O'Hare Intl
21h 22m
1 stop
SDF6:03 pmLouisville Intl
Oct 22
SDF5:31 pmLouisville Intl
7h 14m
1 stop
ORD11:45 pmChicago O'Hare Intl
$213
Find similar
Spirit Airlines
Sep 27
ORD11:57 amChicago O'Hare Intl
9h 07m
1 stop
SDF10:04 pmLouisville Intl
Sep 28
SDF8:23 amLouisville Intl
15h 25m
1 stop
ORD10:48 pmChicago O'Hare Intl
$214
Find similar

United Airlines flights from Illinois to Louisville

Our best United Airlines deals on Illinois to Louisville flight tickets
United Airlines
Sep 23
ORD7:26 amChicago O'Hare Intl
1h 36m
SDF10:02 amLouisville Intl
Sep 23
SDF7:36 pmLouisville Intl
1h 49m
ORD8:25 pmChicago O'Hare Intl
$97
Find similar
United Airlines
Sep 24
ORD7:26 amChicago O'Hare Intl
1h 36m
SDF10:02 amLouisville Intl
Sep 30
SDF10:55 amLouisville Intl
1h 38m
ORD11:33 amChicago O'Hare Intl
$154
Find similar
United Airlines
Sep 25
ORD7:25 amChicago O'Hare Intl
1h 36m
SDF10:01 amLouisville Intl
Sep 29
SDF7:20 pmLouisville Intl
1h 49m
ORD8:09 pmChicago O'Hare Intl
$157
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 August 29, 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

Tue 9/23

7:26 am-10:02 am

Nonstop1h 36m

Louisville Intl

Tue 9/23

7:36 pm-8:25 pm

Nonstop1h 49m

$97

ChicagoLouisville

MDW - SDF

MDWSDF

Chicago Midway

Tue 9/23

10:05 am-12:25 pm

Nonstop1h 20m

Louisville Intl

Tue 9/23

7:10 pm-7:30 pm

Nonstop1h 20m

$97

ChicagoLouisville

ORD - SDF

ORDSDF

Chicago O'Hare Intl

Wed 9/24

11:41 am-2:03 pm

Nonstop1h 22m

Louisville Intl

Tue 9/30

2:42 pm-3:22 pm

Nonstop1h 40m

$99

ChicagoLouisville

ORD - SDF

ORDSDF

Chicago O'Hare Intl

Tue 12/9

6:09 pm-8:45 pm

Nonstop1h 36m

Louisville Intl

Tue 12/16

1:02 pm-1:44 pm

Nonstop1h 42m

$155

ChicagoLouisville

ORD - SDF

ORDSDF

Chicago O'Hare Intl

Tue 9/23

9:10 am-1:42 pm

1 stop3h 32m

Louisville Intl

Tue 9/23

6:00 pm-10:14 pm

1 stop5h 14m

$177

ChicagoLouisville

MDW - SDF

MDWSDF

Chicago Midway

Tue 9/23

6:00 am-11:43 am

1 stop4h 43m

Louisville Intl

Tue 9/23

6:00 pm-9:36 pm

1 stop4h 36m

$177

ChicagoLouisville

ORD - SDF

ORDSDF

Chicago O'Hare Intl

Thu 9/25

11:57 am-10:04 pm

1 stop9h 07m

Louisville Intl

Mon 9/29

8:23 am-5:39 pm

1 stop10h 16m

$209

ChicagoLouisville

ORD - SDF

ORDSDF

Chicago O'Hare Intl

Wed 10/15

7:41 pm-6:03 pm

1 stop21h 22m

Louisville Intl

Wed 10/22

5:31 pm-11:45 pm

1 stop7h 14m

$213

ChicagoLouisville

ORD - SDF

ORDSDF

Chicago O'Hare Intl

Thu 12/11

5:59 pm-10:31 am

1 stop15h 32m

Louisville Intl

Sun 12/14

10:55 am-11:42 pm

1 stop13h 47m

$229

ChicagoLouisville

ORD - SDF

ORDSDF

Chicago O'Hare Intl

Thu 9/11

6:44 pm-8:57 am

1 stop13h 13m

Louisville Intl

Mon 9/15

8:23 am-10:52 am

1 stop27h 29m

$233

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 May is also very affordable. Most momondo users find prices during this month for around $227.

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 $257. 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 $552. 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 afternoon. Our users have found flights to Louisville in the afternoon for as low as $293. In the morning is when there is more demand to fly to Louisville, so prices are often more expensive at around $319 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 $317 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

$52

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 $52. The best round-trip flight deal from Illinois to Louisville found on momondo in the last 72 hours is $139.
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 $124Free CancellationRating
8.0
4,242 reviews
Search Southwest flights
American AirlinesPriceFrom $132Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $137Free CancellationRating
7.4
8,944 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
Bardstown
West Baden Springs
Jeffersonville
Shepherdsville
New Albany
Corydon
Elizabeth
Charlestown
Springfield
Brandenburg
Georgetown

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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