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$121+ Cheap flights from O'Hare Intl (ORD) to Louisville (SDF)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/22. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — SDF
Apr 13 — Apr 201
Mon 4/13
Mon 4/20
1 adult, Economy
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Cheapflights Tip: The best prices from Chicago O'Hare Intl to Louisville Intl are usually found in August or December, booked 26 days in advance, depart on a Saturday or Tuesday and return on a Thursday

Cheap flight deals from O'Hare Intl to Louisville

Cheapest flights from O'Hare Intl to Louisville
Explore the most affordable flight options available from O'Hare Intl to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 14, 2026.

This Kiwi.com deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/64:36 pm
ORD
-
SDF
1 stop18h 11m
Multiple Airlines
Mon 4/137:48 pm
SDF
-
ORD
1 stop26h 29m
Multiple Airlines
Deal found 3/9$229
This United Airlines deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/77:54 pm
ORD
-
SDF
Nonstop1h 36m
United Airlines
Tue 4/149:07 am
SDF
-
ORD
Nonstop1h 40m
United Airlines
Deal found 3/10$241
This Kiwi.com deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/25:05 am
ORD
-
SDF
1 stop8h 28m
Multiple Airlines
Mon 4/137:48 pm
SDF
-
ORD
2 stops22h 12m
Multiple Airlines
Deal found 3/12$249
This American Airlines deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/78:05 am
ORD
-
SDF
Nonstop1h 41m
American Airlines
Tue 4/147:31 am
SDF
-
ORD
1 stop6h 07m
American Airlines
Deal found 3/10$251
This American Airlines deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/229:01 pm
ORD
-
SDF
1 stop11h 37m
American Airlines
Thu 4/2312:11 pm
SDF
-
ORD
Nonstop1h 40m
American Airlines
Deal found 3/9$253
This American Airlines deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/81:34 pm
ORD
-
SDF
Nonstop1h 31m
American Airlines
Thu 4/97:01 pm
SDF
-
ORD
Nonstop1h 48m
American Airlines
Deal found 3/10$254
This United Airlines deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/212:10 pm
ORD
-
SDF
Nonstop1h 31m
United Airlines
Sat 4/259:07 am
SDF
-
ORD
Nonstop1h 40m
United Airlines
Deal found 3/11$256
This American Airlines deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/298:05 am
ORD
-
SDF
Nonstop1h 41m
American Airlines
Wed 4/297:01 pm
SDF
-
ORD
Nonstop1h 48m
American Airlines
Deal found 3/10$258
This American Airlines deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/166:57 pm
ORD
-
SDF
Nonstop1h 33m
American Airlines
Sat 4/187:01 pm
SDF
-
ORD
Nonstop1h 48m
American Airlines
Deal found 3/9$259
This American Airlines deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/189:16 pm
ORD
-
SDF
Nonstop1h 32m
American Airlines
Mon 4/207:01 pm
SDF
-
ORD
Nonstop1h 48m
American Airlines
Deal found 3/9$260

Find flight deals from O'Hare Intl to Louisville

Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) to Louisville (SDF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 14, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$229
(Kiwi.com)

One-way from

$121
(United Airlines)

Popular in

February

Cheapest in

August

Average price

$385

Good round-trip deal

$295 or less

Good one-way deal

$145 or less
Provider with most accurate pricing for Chicago O'Hare Intl-Louisville Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago O'Hare Intl-Louisville Intl flights.
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From Chicago O'Hare Intl to Louisville Intl
Search Deals
One-way flight from Chicago O'Hare Intl to Louisville Intl
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($76 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a round-trip flight from Chicago O'Hare Intl to Louisville Intl.
Search Deals
Price to beat on a one-way flight from Chicago O'Hare Intl to Louisville Intl.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from O'Hare Intl 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, Cheapflights users made 2,558,603 searches. Data last updated March 14, 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

Cheapest round-trip
Quickest round-trip

ChicagoLouisville

ORD - SDF

ORDSDF

Chicago O'Hare Intl

Wed 4/8

6:45 am-9:10 am

Nonstop1h 25m

Louisville Intl

Wed 4/15

7:20 am-8:00 am

Nonstop1h 40m

$241

ChicagoLouisville

ORD - SDF

ORDSDF

Chicago O'Hare Intl

Wed 5/6

7:10 am-2:31 pm

1 stop6h 21m

Louisville Intl

Sat 5/9

6:05 am-11:47 am

1 stop6h 42m

$266

ChicagoLouisville

ORD - SDF

ORDSDF

Chicago O'Hare Intl

Wed 4/29

6:45 am-9:10 am

Nonstop1h 25m

Louisville Intl

Wed 5/13

7:15 am-7:55 am

Nonstop1h 40m

$271

ChicagoLouisville

ORD - SDF

ORDSDF

Chicago O'Hare Intl

Wed 4/22

5:15 am-12:11 pm

1 stop5h 56m

Louisville Intl

Thu 4/23

6:00 am-12:45 pm

2 stops7h 45m

$279

ChicagoLouisville

ORD - SDF

ORDSDF

Chicago O'Hare Intl

Tue 4/21

7:00 am-4:42 pm

2 stops8h 42m

Louisville Intl

Sat 4/25

10:46 am-4:18 pm

1 stop6h 32m

$279

ChicagoLouisville

ORD - SDF

ORDSDF

Chicago O'Hare Intl

Wed 4/8

9:50 am-5:15 pm

1 stop6h 25m

Louisville Intl

Wed 4/15

7:56 am-6:13 pm

2 stops11h 17m

$286

ChicagoLouisville

ORD - SDF

ORDSDF

Chicago O'Hare Intl

Fri 4/17

1:36 pm-9:20 pm

1 stop6h 44m

Louisville Intl

Tue 4/21

6:04 am-12:45 pm

2 stops7h 41m

$293

ChicagoLouisville

ORD - SDF

ORDSDF

Chicago O'Hare Intl

Sat 4/18

1:29 pm-9:31 pm

2 stops7h 02m

Louisville Intl

Sat 4/25

7:59 am-12:49 pm

1 stop5h 50m

$296

ChicagoLouisville

ORD - SDF

ORDSDF

Chicago O'Hare Intl

Wed 4/8

6:15 am-11:51 am

1 stop4h 36m

Louisville Intl

Thu 4/9

7:45 am-6:02 pm

2 stops11h 17m

$313

ChicagoLouisville

ORD - SDF

ORDSDF

Chicago O'Hare Intl

Sat 4/25

5:45 pm-8:16 pm

Nonstop1h 31m

Louisville Intl

Wed 4/29

5:00 am-5:40 am

Nonstop1h 40m

$314

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/9

Showing 1-10 of 22 resultsSorted by cheapest first
1
2
3

Compare providers for flights from O'Hare Intl to Louisville

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from O'Hare Intl to Louisville in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Chicago O'Hare Intl Airport-Louisville flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chicago O'Hare Intl Airport-Louisville flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Chicago O'Hare Intl Airport-Louisville flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chicago O'Hare Intl Airport-Louisville flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chicago O'Hare Intl Airport-Louisville flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from O'Hare Intl to Louisville

Have a flexible travel schedule? Discover the best time to fly to Louisville from O'Hare Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Chicago O'Hare Intl Airport to Louisville

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

Use this chart to determine the optimal time to book a round-trip flight from O'Hare Intl to Louisville. Price data was last updated on March 6, 2026.

The price you pay for your flight from Chicago O'Hare Intl Airport to Louisville may vary depending on when you book. For the best chance of a lower fare, look to book 26 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Louisville?

Currently, July is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Louisville (average of $82). Flying from Chicago O'Hare Intl Airport to Louisville in November is currently the most expensive (average of $170). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ORD to SDF?

Find hourly flight availability from O'Hare Intl to Louisville. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 14, 2026.

It’s typically best to fly out from Chicago O'Hare Intl Airport to Louisville in the morning. Doing so could potentially save you 11% on the flight price compared to flying in the afternoon, which is usually more expensive.

What is the cheapest day to fly from Chicago O'Hare Intl Airport to Louisville?

Use this chart to determine the cheapest time to fly round-trip from O'Hare Intl to Louisville. Price data was last updated on February 21, 2026.

Travelers seeking maximum savings on their Chicago O'Hare Intl Airport to Louisville flight should consider departing on Friday evenings when fares are most often at their lowest. Monday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost to fly round-trip from Chicago O'Hare Intl Airport to Louisville?

Reviews of airlines servicing Louisville

Get insights into the airlines that provide service to Louisville. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Louisville. Reviews last updated March 14, 2026.
See what other customers who have flown with United Airlines and American Airlines from Chicago O'Hare Intl Airport to Louisville have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,423 reviews

Crew

8.1

Food

6.6

Boarding

7.7

Overall

7.4

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,423 reviews
United Airlines
7.4
Good
9,423 reviews

Crew

8.1

Food

6.6

Boarding

7.7

Overall

7.4

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
American Airlines
7.1
Good
11,464 reviews
United Airlines
7.4
Good
9,423 reviews

Crew

8.1

Food

6.6

Boarding

7.7

Overall

7.4

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Related info for your journey

Find useful and relevant information for your journey from O'Hare Intl to Louisville. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Louisville from Chicago O'Hare Intl?

    Louisville Intl (SDF), located 5.3 mi from the city center, is the airport you fly into when you book flights from Chicago O'Hare Intl to Louisville. 2 airlines have flights to Louisville Intl from Chicago O'Hare Intl on a regular basis. Booking flights from Chicago O'Hare Intl to Louisville Intl should not be difficult; the airport handles an average of 32 inbound flights from Chicago O'Hare Intl per day.

  • How long is the flight from Chicago O'Hare Intl Airport to Louisville?

    A quick flight from Chicago O'Hare Intl Airport to Louisville can take about 1h 25m. United Airlines provides one of the quickest options available for as low as $241. The distance from Chicago O'Hare Intl Airport to Louisville is about 287 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Chicago O'Hare Intl Airport to Louisville round-trip?

    United Airlines, at $127, was found to be the cheapest airline from Chicago O'Hare Intl Airport to Louisville. An alternate airline flying to your destination would be American Airlines. United Airlines is 61% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the most reliable airlines from Chicago O'Hare Intl Airport to Louisville?

    Consider SkyWest Airlines (80%), Emirates (77%) or Copa Airlines (76%) when booking your flight. These represent the most reliable airlines when flying from Chicago O'Hare Intl Airport to Louisville.

  • What are the cheapest flights from Chicago O'Hare Intl Airport to Louisville?

    On average you can expect to pay $331 for a flight from Chicago O'Hare Intl Airport to Louisville. The cheapest flight overall is $107 while the most popular route, (Chicago O'Hare Intl - Louisville Intl) is currently priced at $241.

  • Can I find deals for flights from O'Hare Intl to Louisville that include hotel bookings?

    Yes. In addition to deals on O'Hare Intl to Louisville flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from O'Hare Intl to Louisville?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from O'Hare Intl to Louisville.

  • Can I find deals for business class flights from O'Hare Intl to Louisville?

    Yes. Cheapflights offers flight deals from O'Hare Intl to Louisville by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Louisville?

    Currently, July is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Louisville (average of $82). Flying from Chicago O'Hare Intl Airport to Louisville in November is currently the most expensive (average of $170). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Louisville?

Book flights to Louisville if you plan to visit one of these locations
Shepherdsville
Jeffersonville
Elizabethtown
Corydon
Bardstown

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Top 2 airlines flying from O'Hare Intl to Louisville

Discover the top 2 airlines that operate flights from O'Hare Intl to Louisville. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 14, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$127Average$298FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$139Average$319FlexibilityNo cancel feeOn-time71%

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