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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 11/15. 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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Find the cheapest flights from Chicago O'Hare Intl Airport to Louisville

Cheap round-trip flights

American Airlines Logo
8:28 pm - 11:03 pmORD-SDF
1h 35mnonstop
American Airlines Logo
5:53 pm - 6:29 pmSDF-ORD
1h 36mnonstop
$97American Airlines
Find Deal
Thu, Oct 9 - Wed, Oct 15
American Airlines Logo
6:59 am - 9:23 amORD-SDF
1h 24mnonstop
American Airlines Logo
5:53 pm - 6:29 pmSDF-ORD
1h 36mnonstop
$98American Airlines
Find Deal
Thu, Oct 9 - Mon, Oct 13
United Airlines Logo
10:50 am - 1:21 pmORD-SDF
1h 31mnonstop
United Airlines Logo
7:00 am - 7:38 amSDF-ORD
1h 38mnonstop
$114United Airlines
Find Deal
Sat, Oct 11 - Mon, Oct 13
Southwest Logo
1:50 pm - 9:40 pmORD-SDF
6h 50m1 stop
Southwest Logo
5:30 am - 11:50 amSDF-ORD
7h 20m1 stop
$117Southwest
Find Deal
Tue, Oct 14 - Tue, Oct 21
United Airlines Logo
7:50 pm - 10:30 pmORD-SDF
1h 40mnonstop
United Airlines Logo
8:45 am - 9:23 amSDF-ORD
1h 38mnonstop
$145United Airlines
Find Deal
Tue, Oct 21 - Thu, Oct 23
Delta Logo
4:05 pm - 12:01 amORD-SDF
6h 56m1 stop
Delta Logo
7:09 am - 12:16 pmSDF-ORD
6h 07m1 stop
$177Delta
Find Deal
Tue, Oct 21 - Wed, Oct 22
Delta Logo
1:25 pm - 12:01 amORD-SDF
9h 36m2 stops
Delta Logo
7:09 am - 10:20 amSDF-ORD
4h 11m1 stop
$182Delta
Find Deal
Tue, Oct 21 - Wed, Oct 22
Multiple Airlines Logo
2:14 pm - 9:01 amORD-SDF
17h 47m1 stop
Multiple Airlines Logo
6:00 am - 12:26 pmSDF-ORD
7h 26m1 stop
$208Multiple Airlines
Find Deal
Thu, Oct 30 - Thu, Nov 6
Southwest Logo
1:50 pm - 9:40 pmORD-SDF
6h 50m1 stop
Southwest Logo
5:30 am - 11:50 amSDF-ORD
7h 20m1 stop
$214Southwest
Find Deal
Tue, Oct 7 - Wed, Oct 8
Multiple Airlines Logo
5:59 pm - 9:04 amORD-SDF
14h 05m1 stop
Multiple Airlines Logo
6:00 am - 12:26 pmSDF-ORD
7h 26m1 stop
$216Multiple Airlines
Find Deal
Thu, Nov 6 - Sun, Nov 9

Delta flights from Chicago O'Hare Intl Airport to Louisville

Our best Delta deals on Chicago O'Hare Intl Airport to Louisville flight tickets
Delta
Oct 21
ORD4:05 pmChicago O'Hare Intl
6h 56m
1 stop
SDF12:01 amLouisville Intl
Oct 22
SDF7:09 amLouisville Intl
6h 07m
1 stop
ORD12:16 pmChicago O'Hare Intl
$177
Find similar
Delta
Oct 21
ORD1:25 pmChicago O'Hare Intl
9h 36m
2 stops
SDF12:01 amLouisville Intl
Oct 22
SDF7:09 amLouisville Intl
4h 11m
1 stop
ORD10:20 amChicago O'Hare Intl
$182
Find similar
Delta
Dec 5
ORD5:50 pmChicago O'Hare Intl
5h 15m
1 stop
SDF12:05 amLouisville Intl
Dec 8
SDF6:16 pmLouisville Intl
6h 45m
1 stop
ORD12:01 amChicago O'Hare Intl
$184
Find similar

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
Oct 9
ORD8:28 pmChicago O'Hare Intl
1h 35m
SDF11:03 pmLouisville Intl
Oct 15
SDF5:53 pmLouisville Intl
1h 36m
ORD6:29 pmChicago O'Hare Intl
$97
Find similar
American Airlines
Oct 9
ORD6:59 amChicago O'Hare Intl
1h 24m
SDF9:23 amLouisville Intl
Oct 13
SDF5:53 pmLouisville Intl
1h 36m
ORD6:29 pmChicago O'Hare Intl
$98
Find similar
American Airlines
Oct 30
ORD6:59 amChicago O'Hare Intl
1h 24m
SDF9:23 amLouisville Intl
Nov 6
SDF6:00 amLouisville Intl
1h 40m
ORD6:40 amChicago O'Hare Intl
$99
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 September 17, 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 10/9

8:28 pm-11:03 pm

Nonstop1h 35m

Louisville Intl

Wed 10/15

5:53 pm-6:29 pm

Nonstop1h 36m

$97

ChicagoLouisville

ORD - SDF

ORDSDF

Chicago O'Hare Intl

Thu 10/9

6:59 am-9:23 am

Nonstop1h 24m

Louisville Intl

Mon 10/13

5:53 pm-6:29 pm

Nonstop1h 36m

$98

ChicagoLouisville

ORD - SDF

ORDSDF

Chicago O'Hare Intl

Sat 10/11

10:50 am-1:21 pm

Nonstop1h 31m

Louisville Intl

Mon 10/13

7:00 am-7:38 am

Nonstop1h 38m

$114

ChicagoLouisville

ORD - SDF

ORDSDF

Chicago O'Hare Intl

Tue 10/14

1:50 pm-9:40 pm

1 stop6h 50m

Louisville Intl

Tue 10/21

5:30 am-11:50 am

1 stop7h 20m

$117

ChicagoLouisville

ORD - SDF

ORDSDF

Chicago O'Hare Intl

Tue 10/21

7:50 pm-10:30 pm

Nonstop1h 40m

Louisville Intl

Thu 10/23

8:45 am-9:23 am

Nonstop1h 38m

$145

ChicagoLouisville

ORD - SDF

ORDSDF

Chicago O'Hare Intl

Tue 10/21

4:05 pm-12:01 am

1 stop6h 56m

Louisville Intl

Wed 10/22

7:09 am-12:16 pm

1 stop6h 07m

$177

ChicagoLouisville

ORD - SDF

ORDSDF

Chicago O'Hare Intl

Tue 10/21

1:25 pm-12:01 am

2 stops9h 36m

Louisville Intl

Wed 10/22

7:09 am-10:20 am

1 stop4h 11m

$182

ChicagoLouisville

ORD - SDF

ORDSDF

Chicago O'Hare Intl

Thu 10/30

2:14 pm-9:01 am

1 stop17h 47m

Louisville Intl

Thu 11/6

6:00 am-12:26 pm

1 stop7h 26m

$208

ChicagoLouisville

ORD - SDF

ORDSDF

Chicago O'Hare Intl

Tue 10/7

1:50 pm-9:40 pm

1 stop6h 50m

Louisville Intl

Wed 10/8

5:30 am-11:50 am

1 stop7h 20m

$214

ChicagoLouisville

ORD - SDF

ORDSDF

Chicago O'Hare Intl

Thu 11/6

5:59 pm-9:04 am

1 stop14h 05m

Louisville Intl

Sun 11/9

6:00 am-12:26 pm

1 stop7h 26m

$216

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 $242.

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 $250. 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 $582. 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 afternoon. Our users have found flights to Louisville in the afternoon for as low as $292. In the morning is when there is more demand to fly to Louisville, so prices are often more expensive at around $327 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 $330 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 September 2025, prices for Chicago O'Hare Intl Airport to Louisville flights are approximately 22% 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

$130

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 $130. The best round-trip flight deal from Chicago O'Hare Intl Airport to Louisville found on momondo in the last 72 hours is $157.
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 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
American AirlinesPriceFrom $121Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $137Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights

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

    United Airlines operates around 38 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 $331, 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 8,926 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 $121, round-trip. It should be noted that an average American Airlines flight deal for this route in this time was higher, at $286 round-trip. American Airlines operates 24 flights out of Chicago O'Hare Intl Airport into Louisville in an average week, so prices vary by time and availability. 10,000 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
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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