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Cheap flights from Chicago O'Hare Intl Airport 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 O'Hare Intl Airport to Louisville departing on 2/28. 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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0 bags

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Find the cheapest flights from Chicago O'Hare Intl Airport to Louisville

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
8:50 pm - 11:20 pm
ORD
-
SDF
1h 30mnonstop
American Airlines Logo
7:30 am - 8:12 am
SDF
-
ORD
1h 42mnonstop
$169American Airlines
Wed, Mar 25 - Sat, Mar 28
Multiple Airlines Logo
8:30 am - 12:21 pm
ORD
-
SDF
26h 51m
1 stop
Multiple Airlines Logo
3:33 pm - 11:47 pm
SDF
-
ORD
9h 14m
1 stop
$182Multiple Airlines
Tue, Mar 3 - Tue, Mar 10
Spirit Airlines Logo
8:16 pm - 11:05 am
ORD
-
SDF
13h 49m
1 stop
Spirit Airlines Logo
3:33 pm - 11:47 pm
SDF
-
ORD
9h 14m
1 stop
$186Spirit Airlines
Fri, Feb 27 - Tue, Mar 3
Multiple Airlines Logo
5:15 am - 2:38 pm
ORD
-
SDF
8h 23m
1 stop
Multiple Airlines Logo
3:33 pm - 11:05 pm
SDF
-
ORD
8h 32m
1 stop
$190Multiple Airlines
Tue, Feb 24 - Thu, Feb 26
American Airlines Logo
6:54 pm - 9:26 pm
ORD
-
SDF
1h 32mnonstop
American Airlines Logo
11:59 am - 12:40 pm
SDF
-
ORD
1h 41mnonstop
$191American Airlines
Wed, Mar 25 - Sat, Mar 28
Multiple Airlines Logo
5:58 pm - 12:21 pm
ORD
-
SDF
17h 23m
2 stops
Multiple Airlines Logo
3:33 pm - 10:36 am
SDF
-
ORD
20h 03m
1 stop
$196Multiple Airlines
Tue, Mar 3 - Tue, Mar 10
American Airlines Logo
9:05 am - 11:30 am
ORD
-
SDF
1h 25mnonstop
American Airlines Logo
12:07 pm - 12:41 pm
SDF
-
ORD
1h 34mnonstop
$199American Airlines
Sat, Mar 7 - Mon, Mar 9
Spirit Airlines Logo
8:16 pm - 11:05 am
ORD
-
SDF
13h 49m
1 stop
Spirit Airlines Logo
3:33 pm - 6:18 pm
SDF
-
ORD
27h 45m
2 stops
$201Spirit Airlines
Fri, Feb 27 - Tue, Mar 3
Multiple Airlines Logo
5:05 am - 2:33 pm
ORD
-
SDF
8h 28m
1 stop
Multiple Airlines Logo
9:13 pm - 10:36 am
SDF
-
ORD
14h 23m
1 stop
$205Multiple Airlines
Thu, Mar 12 - Mon, Mar 16
Spirit Airlines Logo
5:15 am - 2:38 pm
ORD
-
SDF
8h 23m
1 stop
Spirit Airlines Logo
12:00 pm - 12:40 am
SDF
-
ORD
13h 40m
2 stops
$207Spirit Airlines
Tue, Feb 24 - Sat, Feb 28

American Airlines flights from Chicago O'Hare Intl Airport to Louisville

Our best American Airlines deals on Chicago O'Hare Intl Airport to Louisville flight tickets
American Airlines
Mar 25
ORD8:50 pmChicago O'Hare Intl
1h 30m
SDF11:20 pmLouisville Intl
Mar 28
SDF7:30 amLouisville Intl
1h 42m
ORD8:12 amChicago O'Hare Intl
$169
American Airlines
Mar 25
ORD6:54 pmChicago O'Hare Intl
1h 32m
SDF9:26 pmLouisville Intl
Mar 28
SDF11:59 amLouisville Intl
1h 41m
ORD12:40 pmChicago O'Hare Intl
$191
American Airlines
Mar 7
ORD9:05 amChicago O'Hare Intl
1h 25m
SDF11:30 amLouisville Intl
Mar 9
SDF12:07 pmLouisville Intl
1h 34m
ORD12:41 pmChicago O'Hare Intl
$199

Spirit Airlines flights from Chicago O'Hare Intl Airport to Louisville

Our best Spirit Airlines deals on Chicago O'Hare Intl Airport to Louisville flight tickets
Spirit Airlines
Feb 27
ORD8:16 pmChicago O'Hare Intl
13h 49m
1 stop
SDF11:05 amLouisville Intl
Mar 3
SDF3:33 pmLouisville Intl
9h 14m
1 stop
ORD11:47 pmChicago O'Hare Intl
$186
Spirit Airlines
Feb 27
ORD8:16 pmChicago O'Hare Intl
13h 49m
1 stop
SDF11:05 amLouisville Intl
Mar 3
SDF3:33 pmLouisville Intl
27h 45m
2 stops
ORD6:18 pmChicago O'Hare Intl
$201
Spirit Airlines
Feb 24
ORD5:15 amChicago O'Hare Intl
8h 23m
1 stop
SDF2:38 pmLouisville Intl
Feb 28
SDF12:00 pmLouisville Intl
13h 40m
2 stops
ORD12:40 amChicago O'Hare Intl
$207

momondo Fare Finder

 
Customize your flight search to find flights from Chicago O'Hare Intl Airport 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 February 4, 2026.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Louisville that are best for you.

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

Tue 3/3

8:30 am-12:21 pm

1 stop26h 51m

Louisville Intl

Tue 3/10

3:33 pm-11:47 pm

1 stop9h 14m

$182

ChicagoLouisville

ORD - SDF

ORDSDF

Chicago O'Hare Intl

Fri 2/27

8:16 pm-11:05 am

1 stop13h 49m

Louisville Intl

Tue 3/3

3:33 pm-11:47 pm

1 stop9h 14m

$186

ChicagoLouisville

ORD - SDF

ORDSDF

Chicago O'Hare Intl

Tue 2/24

5:15 am-2:38 pm

1 stop8h 23m

Louisville Intl

Thu 2/26

3:33 pm-11:05 pm

1 stop8h 32m

$190

ChicagoLouisville

ORD - SDF

ORDSDF

Chicago O'Hare Intl

Wed 3/25

6:54 pm-9:26 pm

Nonstop1h 32m

Louisville Intl

Sat 3/28

11:59 am-12:40 pm

Nonstop1h 41m

$191

ChicagoLouisville

ORD - SDF

ORDSDF

Chicago O'Hare Intl

Tue 3/3

5:58 pm-12:21 pm

2 stops17h 23m

Louisville Intl

Tue 3/10

3:33 pm-10:36 am

1 stop20h 03m

$196

ChicagoLouisville

ORD - SDF

ORDSDF

Chicago O'Hare Intl

Sat 3/7

9:05 am-11:30 am

Nonstop1h 25m

Louisville Intl

Mon 3/9

12:07 pm-12:41 pm

Nonstop1h 34m

$199

ChicagoLouisville

ORD - SDF

ORDSDF

Chicago O'Hare Intl

Fri 2/27

8:16 pm-11:05 am

1 stop13h 49m

Louisville Intl

Tue 3/3

3:33 pm-6:18 pm

2 stops27h 45m

$201

ChicagoLouisville

ORD - SDF

ORDSDF

Chicago O'Hare Intl

Thu 3/12

5:05 am-2:33 pm

1 stop8h 28m

Louisville Intl

Mon 3/16

9:13 pm-10:36 am

1 stop14h 23m

$205

ChicagoLouisville

ORD - SDF

ORDSDF

Chicago O'Hare Intl

Tue 2/24

5:15 am-2:38 pm

1 stop8h 23m

Louisville Intl

Sat 2/28

12:00 pm-12:40 am

2 stops13h 40m

$207

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 Chicago O'Hare Intl Airport 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 Chicago O'Hare Intl Airport during the month December is also very affordable. Most momondo users find prices during this month for around $240.

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

On average, the least expensive day to fly to Louisville from Chicago O'Hare Intl Airport 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 O'Hare Intl Airport 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 O'Hare Intl Airport 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 O'Hare Intl to Louisville Intl flight route?

Fly from Chicago O'Hare Intl to Louisville Intl for the best Chicago O'Hare Intl - 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 O'Hare Intl Airport 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 O'Hare Intl Airport for as low as $129 on momondo.

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

There are 4 cabin classes available to choose from on Chicago O'Hare Intl 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 O'Hare Intl Airport to Louisville flight prices changed over time?

As of February 2026, prices for Chicago O'Hare Intl Airport to Louisville flights are approximately 71% more expensive when compared to flights at the same time last year.

When to book flights from Chicago O'Hare Intl Airport to Louisville

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago O'Hare Intl Airport to Louisville according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Chicago O'Hare Intl Airport to Louisville (ORD to SDF) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Louisville

Best Price Found

$218

Fastest flight time

1h 24m

Direct flights

Every day

Airports in Louisville

1 airport
The best one-way flight to Louisville from Chicago O'Hare Intl Airport in the past 72 hours is $218. The best round-trip flight deal from Chicago O'Hare Intl Airport to Louisville found on momondo in the last 72 hours is $277.
The fastest flight from Chicago O'Hare Intl Airport to Louisville takes 1h 24m
Direct flights go from Chicago O'Hare Intl Airport to Louisville every day.
There is 1 airport in Louisville. From Chicago O'Hare Intl Airport there are direct flights to Louisville Intl (SDF).
Search flight deals

  • How far is Chicago O'Hare Intl to Louisville Intl by plane?

    Chicago O'Hare Intl and Louisville Intl are 281.5 mi apart from one another. Flights usually cover this in 1h 24m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Louisville Intl Airport?

    Prices for flights from Chicago O'Hare Intl Airport to Louisville Intl Airport refresh daily.

  • How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Louisville Intl Airport?

  • How old do you have to be to fly from Chicago O'Hare Intl Airport to Louisville Intl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago O'Hare Intl Airport 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 O'Hare Intl Airport to Louisville?

  • What is the most popular airline from Chicago O'Hare Intl Airport to Louisville?

Best airlines flying from Chicago O'Hare Intl Airport to Louisville

Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Louisville with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $127Free CancellationRating
7.4
9,236 reviews
Search United Airlines flights
American AirlinesPriceFrom $136Free CancellationRating
7.2
11,222 reviews
Search American Airlines flights

  • United Airlines Flights From Chicago O'Hare Intl Airport to Louisville

    United Airlines operates around 30 flights from Chicago O'Hare Intl Airport to Louisville every week. The average price of these flights found in the last 72 hours has been $281, but momondo users have found United Airlines deals from Chicago O'Hare Intl Airport to Louisville from as low as $127 round-trip. United Airlines has been scored 7.4/10 in 9,236 reviews.

  • American Airlines Flights From Chicago O'Hare Intl Airport to Louisville

    The best American Airlines deal for Chicago O'Hare Intl Airport to Louisville flight tickets found on momondo in the last 72 hours was $136, round-trip. It should be noted that an average American Airlines flight deal for this route in this time was higher, at $318 round-trip. American Airlines operates 14 flights out of Chicago O'Hare Intl Airport into Louisville in an average week, so prices vary by time and availability. 11,222 American Airlines reviews by users on momondo have scored the airline at 7.2/10.

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
Corydon
Elizabeth
Charlestown
Brandenburg
Springfield
Georgetown

Why use momondo?

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

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

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 all potential Chicago to Louisville flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Price alerts on flights to Louisville from Chicago 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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