What is the cheapest airline that flies from Chicago O'Hare Intl to Louisville Intl?

Delta and United Airlines are the most popular carriers operating from Chicago O'Hare Intl to Louisville Intl

How many flights depart from Chicago O'Hare Intl Airport to Louisville on average per day?

As of July 2026, 30 flights take off from Chicago O'Hare Intl Airport and land in Louisville each day. The most common flight departure time for this route is 7:00PM, with 41% of daily flights taking off in the afternoon.

How many flights depart from Chicago O'Hare Intl Airport to Louisville on average per week?

213 flights are operational weekly from Chicago O'Hare Intl Airport to Louisville as of July 2026. The most popular departure day for this route is Mon, with 17% of flights per week taking off on this day.

What airlines fly to Louisville?

United Airlines, American Airlines and Contour are the top three most popular airlines that fly to Louisville from Chicago O'Hare Intl Airport according to our data. United Airlines is the first choice among our users, with 55% of people opting to fly with this airline when traveling to Louisville. Keep in mind that there are 4 different airlines that fly to Louisville on a routine basis, so you have a few additional options to choose from.

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 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.

$89 Cheap Flights from Chicago O'Hare Intl Airport to Louisville in 2026

Q: What is the typical price of a round-trip flight between Chicago O'Hare Intl Airport and Louisville?

Prices are currently low for flights on this route. Typical prices usually range from $315 to $516. The lowest price recently found on this route was $177.

Discover deals from 900+ travel sites with momondo.

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

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:50 pm - 8:23 pm

ORD

SDF

1h 33mnonstop

10:04 am - 10:40 am

SDF

ORD

1h 36mnonstop

$177United Airlines

Tue, Aug 4 - Sat, Aug 8

8:48 am - 1:51 pm

ORD

SDF

4h 03m

1 stop

10:34 am - 4:17 pm

SDF

ORD

6h 43m

1 stop

$197Delta

Mon, Aug 24 - Mon, Aug 31

8:05 am - 9:49 am

ORD

SDF

24h 44m

1 stop

11:19 am - 12:50 pm

SDF

ORD

26h 31m

1 stop

$209Multiple Airlines

Thu, Aug 27 - Mon, Aug 31

8:05 am - 9:49 am

ORD

SDF

24h 44m

1 stop

11:19 am - 12:50 pm

SDF

ORD

26h 31m

1 stop

$211Multiple Airlines

Thu, Aug 27 - Mon, Aug 31

8:05 am - 10:35 am

ORD

SDF

1h 30mnonstop

6:30 pm - 7:24 pm

SDF

ORD

1h 54mnonstop

$217American Airlines

Thu, Aug 27 - Mon, Aug 31

8:05 am - 10:35 am

ORD

SDF

1h 30mnonstop

11:05 am - 11:44 am

SDF

ORD

1h 39mnonstop

$218American Airlines

Thu, Aug 6 - Mon, Aug 10

8:05 am - 10:35 am

ORD

SDF

1h 30mnonstop

11:05 am - 11:44 am

SDF

ORD

1h 39mnonstop

$219American Airlines

Wed, Aug 19 - Wed, Aug 26

6:59 am - 9:26 am

ORD

SDF

1h 27mnonstop

10:23 am - 11:03 am

SDF

ORD

1h 40mnonstop

$227United Airlines

Fri, Aug 7 - Fri, Aug 14

6:59 am - 1:51 pm

ORD

SDF

5h 52m

1 stop

7:55 am - 1:08 pm

SDF

ORD

6h 13m

1 stop

$237Delta

Thu, Aug 6 - Mon, Aug 10

7:27 am - 10:03 am

ORD

SDF

1h 36mnonstop

6:30 pm - 7:24 pm

SDF

ORD

1h 54mnonstop

$246American Airlines

Tue, Aug 4 - Sun, Aug 9

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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

Aug 4

ORD5:50 pmChicago O'Hare Intl

1h 33m

SDF8:23 pmLouisville Intl

Aug 8

SDF10:04 amLouisville Intl

1h 36m

ORD10:40 amChicago O'Hare Intl

$177

United Airlines

Aug 7

ORD6:59 amChicago O'Hare Intl

1h 27m

SDF9:26 amLouisville Intl

Aug 14

SDF10:23 amLouisville Intl

1h 40m

ORD11:03 amChicago O'Hare Intl

$227

United Airlines

Aug 3

ORD4:25 pmChicago O'Hare Intl

1h 31m

SDF6:56 pmLouisville Intl

Aug 8

SDF7:55 pmLouisville Intl

1h 45m

ORD8:40 pmChicago O'Hare Intl

$268

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

Aug 24

ORD8:48 amChicago O'Hare Intl

4h 03m

1 stop

SDF1:51 pmLouisville Intl

Aug 31

SDF10:34 amLouisville Intl

6h 43m

1 stop

ORD4:17 pmChicago O'Hare Intl

$197

Delta

Aug 6

ORD6:59 amChicago O'Hare Intl

5h 52m

1 stop

SDF1:51 pmLouisville Intl

Aug 10

SDF7:55 amLouisville Intl

6h 13m

1 stop

ORD1:08 pmChicago O'Hare Intl

$237

Delta

Aug 7

ORD1:59 pmChicago O'Hare Intl

6h 20m

1 stop

SDF9:19 pmLouisville Intl

Aug 14

SDF5:25 pmLouisville Intl

4h 05m

1 stop

ORD8:30 pmChicago O'Hare Intl

$247

momondo Fare Finder

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

Cheapest round-trip

ChicagoLouisville

ORD - SDF

ORDSDF

Chicago O'Hare Intl

Tue 8/4

5:50 pm-8:23 pm

Nonstop1h 33m

Louisville Intl

Sat 8/8

10:04 am-10:40 am

Nonstop1h 36m

$177

ChicagoLouisville

ORD - SDF

ORDSDF

Chicago O'Hare Intl

Mon 8/24

8:48 am-1:51 pm

1 stop4h 03m

Louisville Intl

Mon 8/31

10:34 am-4:17 pm

1 stop6h 43m

$197

ChicagoLouisville

ORD - SDF

ORDSDF

Chicago O'Hare Intl

Thu 8/27

8:05 am-9:49 am

1 stop24h 44m

Louisville Intl

Mon 8/31

11:19 am-12:50 pm

1 stop26h 31m

$209

ChicagoLouisville

ORD - SDF

ORDSDF

Chicago O'Hare Intl

Thu 8/27

8:05 am-9:49 am

1 stop24h 44m

Louisville Intl

Mon 8/31

11:19 am-12:50 pm

1 stop26h 31m

$211

ChicagoLouisville

ORD - SDF

ORDSDF

Chicago O'Hare Intl

Thu 8/27

8:05 am-10:35 am

Nonstop1h 30m

Louisville Intl

Mon 8/31

6:30 pm-7:24 pm

Nonstop1h 54m

$217

ChicagoLouisville

ORD - SDF

ORDSDF

Chicago O'Hare Intl

Thu 8/6

8:05 am-10:35 am

Nonstop1h 30m

Louisville Intl

Mon 8/10

11:05 am-11:44 am

Nonstop1h 39m

$218

ChicagoLouisville

ORD - SDF

ORDSDF

Chicago O'Hare Intl

Wed 8/19

8:05 am-10:35 am

Nonstop1h 30m

Louisville Intl

Wed 8/26

11:05 am-11:44 am

Nonstop1h 39m

$219

Quickest round-trip

ChicagoLouisville

ORD - SDF

ORDSDF

Chicago O'Hare Intl

Fri 8/7

6:59 am-9:26 am

Nonstop1h 27m

Louisville Intl

Fri 8/14

10:23 am-11:03 am

Nonstop1h 40m

$227

ChicagoLouisville

ORD - SDF

ORDSDF

Chicago O'Hare Intl

Thu 8/6

6:59 am-1:51 pm

1 stop5h 52m

Louisville Intl

Mon 8/10

7:55 am-1:08 pm

1 stop6h 13m

$237

ChicagoLouisville

ORD - SDF

ORDSDF

Chicago O'Hare Intl

Tue 8/4

7:27 am-10:03 am

Nonstop1h 36m

Louisville Intl

Sun 8/9

6:30 pm-7:24 pm

Nonstop1h 54m

$246

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Other information

What is the typical price of a round-trip flight between Chicago O'Hare Intl Airport and Louisville?

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 $245.

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 Thursday. momondo users have found tickets for Thursday departures for as low as $294. 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 $504. 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 $341. In the afternoon is when there is more demand to fly to Louisville, so prices are often more expensive at around $465 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 from Chicago O'Hare Intl Airport 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 $373 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 $213 on momondo.

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

There are 4 cabin classes available to choose from on Chicago O'Hare Intl Airport to Louisville 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 July 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	$213
Fastest flight time	1h 20m
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 $213. The best round-trip flight deal from Chicago O'Hare Intl Airport to Louisville found on momondo in the last 72 hours is $465.

The fastest flight from Chicago O'Hare Intl Airport to Louisville takes 1h 20m

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

Frequently asked questions about flying from Chicago O'Hare Intl Airport to Louisville

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 20m, 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?
The number of operators available for flights from Chicago O'Hare Intl Airport to Louisville Intl Airport is 2 as of July 2026.
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?
momondo data reveals that the most frequently booked plane model on the route from Chicago O'Hare Intl Airport to Louisville is Canadair (Bombardier) Regional Jet CRJ-550, representing 27.68% of all bookings. The subsequent popular models are Embraer 175 (Enhanced Winglets) at 27.31%, Embraer 175 at 24.35%, and Boeing 737 MAX 8 at 5.72%.
What is the most popular airline from Chicago O'Hare Intl Airport to Louisville?
Based on momondo bookings for flights between Chicago O'Hare Intl Airport and Louisville, the leading airline is United Airlines, making up 54% of the total bookings. Other popular airlines include American Airlines with 46%.

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 Airlines	PriceFrom $136	Free Cancellation	Rating 7.1 11,806 reviews		Search American Airlines flights
United Airlines	PriceFrom $137	Free Cancellation	Rating 7.4 9,988 reviews		Search United Airlines flights

United Airlines Flights From Chicago O'Hare Intl Airport to Louisville
United Airlines operates around 36 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 $434, 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 9,988 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 $351 round-trip. American Airlines operates 15 flights out of Chicago O'Hare Intl Airport into Louisville in an average week, so prices vary by time and availability. 11,806 American Airlines reviews by users on momondo have scored the airline at 7.1/10.

French Lick

Elizabethtown

Jeffersonville

West Baden Springs

Bardstown

New Albany

Shepherdsville

Elizabeth

Corydon

Charlestown

Brandenburg

Georgetown

Springfield

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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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Cheap flights from Chicago O'Hare Intl Airport to Louisville from $89

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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

Delta flights from Chicago O'Hare Intl Airport to Louisville

Our best Delta deals on Chicago O'Hare Intl Airport to Louisville flight tickets

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Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Louisville that are best for you.

See travel insights to Louisville from

How to get the cheapest flight ticket from Chicago O'Hare Intl Airport to Louisville

What is the typical price of a round-trip flight between Chicago O'Hare Intl Airport and Louisville?

What is the cheapest month to fly to Louisville?

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

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

What is the cheapest Chicago O'Hare Intl to Louisville Intl flight route?

How far in advance should I book a flight from Chicago O'Hare Intl Airport to Louisville?

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

How have Chicago O'Hare Intl Airport to Louisville flight prices changed over time?

What is the cheapest airline that flies from Chicago O'Hare Intl to Louisville Intl?

What airlines fly to Louisville?

How many flights depart from Chicago O'Hare Intl Airport to Louisville on average per day?

How many flights depart from Chicago O'Hare Intl Airport to Louisville on average per week?

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

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

Best Price Found

Fastest flight time

Direct flights

Airports in Louisville

Frequently asked questions about flying 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

Traveling to a place near Louisville?

Why use momondo?

An easier way to manage your Louisville trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

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List of cabin classes available on flights landing in Louisville. Availability may vary depending on flight origin and airline.

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