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Cheap flights from Chicago O'Hare Intl Airport 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 Chicago O'Hare Intl Airport 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.
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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
7:26 pm - 10:00 pmORD-SDF
1h 34mnonstop
American Airlines Logo
6:21 pm - 7:16 pmSDF-ORD
1h 55mnonstop
$97American Airlines
Find Deal
Thu, Dec 4 - Mon, Dec 8
American Airlines Logo
8:20 pm - 10:56 pmORD-SDF
1h 36mnonstop
American Airlines Logo
6:21 pm - 7:16 pmSDF-ORD
1h 55mnonstop
$98American Airlines
Find Deal
Thu, Dec 4 - Mon, Dec 8
United Airlines Logo
9:05 am - 11:32 amORD-SDF
1h 27mnonstop
United Airlines Logo
5:57 pm - 6:50 pmSDF-ORD
1h 53mnonstop
$171United Airlines
Find Deal
Thu, Dec 4 - Mon, Dec 8
Delta Logo
6:45 am - 2:11 pmORD-SDF
6h 26m1 stop
Delta Logo
7:59 pm - 12:01 amSDF-ORD
5h 02m1 stop
$191Delta
Find Deal
Thu, Dec 4 - Mon, Dec 8
Delta Logo
10:45 am - 6:52 pmORD-SDF
7h 07m2 stops
Delta Logo
6:16 pm - 12:01 amSDF-ORD
6h 45m1 stop
$196Delta
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Thu, Dec 4 - Mon, Dec 8
Multiple Airlines Logo
6:15 am - 10:31 amORD-SDF
27h 16m1 stop
Multiple Airlines Logo
11:55 am - 11:02 pmSDF-ORD
12h 07m1 stop
$213Multiple Airlines
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Thu, Dec 11 - Sun, Dec 14
United Airlines Logo
1:55 pm - 4:27 pmORD-SDF
1h 32mnonstop
United Airlines Logo
9:00 am - 9:40 amSDF-ORD
1h 40mnonstop
$218United Airlines
Find Deal
Thu, Nov 27 - Sat, Nov 29
Spirit Airlines Logo
10:18 am - 11:45 pmORD-SDF
12h 27m1 stop
Spirit Airlines Logo
6:00 am - 9:23 pmSDF-ORD
16h 23m1 stop
$235Spirit Airlines
Find Deal
Thu, Feb 26 - Sun, Mar 1
Multiple Airlines Logo
3:26 pm - 6:16 pmORD-SDF
25h 50m1 stop
Multiple Airlines Logo
7:46 pm - 4:15 pmSDF-ORD
21h 29m2 stops
$237Multiple Airlines
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Thu, Nov 13 - Mon, Nov 17
Spirit Airlines Logo
7:34 pm - 6:16 pmORD-SDF
21h 42m2 stops
Spirit Airlines Logo
7:11 pm - 2:31 pmSDF-ORD
20h 20m2 stops
$266Spirit Airlines
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Thu, Nov 13 - Mon, Nov 17

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
Dec 4
ORD7:26 pmChicago O'Hare Intl
1h 34m
SDF10:00 pmLouisville Intl
Dec 8
SDF6:21 pmLouisville Intl
1h 55m
ORD7:16 pmChicago O'Hare Intl
$97
Find similar
American Airlines
Dec 4
ORD8:20 pmChicago O'Hare Intl
1h 36m
SDF10:56 pmLouisville Intl
Dec 8
SDF6:21 pmLouisville Intl
1h 55m
ORD7:16 pmChicago O'Hare Intl
$98
Find similar
American Airlines
Nov 22
ORD8:25 pmChicago O'Hare Intl
1h 30m
SDF10:55 pmLouisville Intl
Nov 24
SDF7:38 amLouisville Intl
1h 40m
ORD8:18 amChicago O'Hare Intl
$134
Find similar

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

Our best United Airlines deals on Chicago O'Hare Intl Airport to Louisville flight tickets
United Airlines
Dec 4
ORD9:05 amChicago O'Hare Intl
1h 27m
SDF11:32 amLouisville Intl
Dec 8
SDF5:57 pmLouisville Intl
1h 53m
ORD6:50 pmChicago O'Hare Intl
$171
Find similar
United Airlines
Nov 27
ORD1:55 pmChicago O'Hare Intl
1h 32m
SDF4:27 pmLouisville Intl
Nov 29
SDF9:00 amLouisville Intl
1h 40m
ORD9:40 amChicago O'Hare Intl
$218
Find similar
United Airlines
Dec 11
ORD9:05 amChicago O'Hare Intl
1h 27m
SDF11:32 amLouisville Intl
Dec 15
SDF5:57 pmLouisville Intl
1h 53m
ORD6:50 pmChicago O'Hare Intl
$231
Find similar

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 November 3, 2025.
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

Thu 12/4

7:26 pm-10:00 pm

Nonstop1h 34m

Louisville Intl

Mon 12/8

6:21 pm-7:16 pm

Nonstop1h 55m

$97

ChicagoLouisville

ORD - SDF

ORDSDF

Chicago O'Hare Intl

Thu 12/4

8:20 pm-10:56 pm

Nonstop1h 36m

Louisville Intl

Mon 12/8

6:21 pm-7:16 pm

Nonstop1h 55m

$98

ChicagoLouisville

ORD - SDF

ORDSDF

Chicago O'Hare Intl

Thu 12/4

9:05 am-11:32 am

Nonstop1h 27m

Louisville Intl

Mon 12/8

5:57 pm-6:50 pm

Nonstop1h 53m

$171

ChicagoLouisville

ORD - SDF

ORDSDF

Chicago O'Hare Intl

Thu 12/4

6:45 am-2:11 pm

1 stop6h 26m

Louisville Intl

Mon 12/8

7:59 pm-12:01 am

1 stop5h 02m

$191

ChicagoLouisville

ORD - SDF

ORDSDF

Chicago O'Hare Intl

Thu 12/4

10:45 am-6:52 pm

2 stops7h 07m

Louisville Intl

Mon 12/8

6:16 pm-12:01 am

1 stop6h 45m

$196

ChicagoLouisville

ORD - SDF

ORDSDF

Chicago O'Hare Intl

Thu 12/11

6:15 am-10:31 am

1 stop27h 16m

Louisville Intl

Sun 12/14

11:55 am-11:02 pm

1 stop12h 07m

$213

ChicagoLouisville

ORD - SDF

ORDSDF

Chicago O'Hare Intl

Thu 11/27

1:55 pm-4:27 pm

Nonstop1h 32m

Louisville Intl

Sat 11/29

9:00 am-9:40 am

Nonstop1h 40m

$218

ChicagoLouisville

ORD - SDF

ORDSDF

Chicago O'Hare Intl

Thu 2/26

10:18 am-11:45 pm

1 stop12h 27m

Louisville Intl

Sun 3/1

6:00 am-9:23 pm

1 stop16h 23m

$235

ChicagoLouisville

ORD - SDF

ORDSDF

Chicago O'Hare Intl

Thu 11/13

3:26 pm-6:16 pm

1 stop25h 50m

Louisville Intl

Mon 11/17

7:46 pm-4:15 pm

2 stops21h 29m

$237

ChicagoLouisville

ORD - SDF

ORDSDF

Chicago O'Hare Intl

Thu 11/13

7:34 pm-6:16 pm

2 stops21h 42m

Louisville Intl

Mon 11/17

7:11 pm-2:31 pm

2 stops20h 20m

$266

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 January is also very affordable. Most momondo users find prices during this month for around $255.

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 $558. 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 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 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 $317 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 $186 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 November 2025, prices for Chicago O'Hare Intl Airport to Louisville flights are approximately 47% 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

$85

Fastest flight time

1h 16m

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 $85. The best round-trip flight deal from Chicago O'Hare Intl Airport to Louisville found on momondo in the last 72 hours is $196.
The fastest flight from Chicago O'Hare Intl Airport to Louisville takes 1h 16m
Direct flights go from Chicago O'Hare Intl Airport to Louisville every day.
There is 1 airport near Louisville: 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 27m, 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
American AirlinesPriceFrom $134Free CancellationRating
7.2
11,034 reviews
Search American Airlines flights
United AirlinesPriceFrom $137Free CancellationRating
7.4
8,997 reviews
Search United Airlines flights

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

    United Airlines operates around 34 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 $296, but momondo users have found United Airlines deals from Chicago O'Hare Intl Airport to Louisville from as low as $137 round-trip. United Airlines has been scored 7.4/10 in 8,997 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 $134, round-trip. It should be noted that an average American Airlines flight deal for this route in this time was higher, at $298 round-trip. American Airlines operates 17 flights out of Chicago O'Hare Intl Airport into Louisville in an average week, so prices vary by time and availability. 11,034 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
Elizabeth
Corydon
Charlestown
Springfield
Georgetown
Brandenburg

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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