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$46+ 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 1/15. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — SDF
Jan 3 — Jan 101
Sat 1/3
Sat 1/10
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 January, booked 39 days in advance, depart on a Saturday or Friday 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 December 4, 2025.

This American Airlines deal was found by Cheapflights users on 12/2. 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 12/241:30 pmORD - SDF
Nonstop1h 29mAmerican Airlines
Wed 12/316:27 amSDF - ORD
Nonstop1h 39mAmerican Airlines
Deal found 12/2$148
This American Airlines deal was found by Cheapflights users on 12/2. 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 12/249:30 amORD - SDF
Nonstop1h 36mAmerican Airlines
Thu 1/16:27 amSDF - ORD
Nonstop1h 39mAmerican Airlines
Deal found 12/2$156
This United Airlines deal was found by Cheapflights users on 12/2. 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.
Thu 12/2510:35 amORD - SDF
Nonstop1h 38mUnited Airlines
Wed 12/315:40 amSDF - ORD
Nonstop1h 44mUnited Airlines
Deal found 12/2$157
This United Airlines deal was found by Cheapflights users on 12/2. 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.
Thu 12/252:51 pmORD - SDF
Nonstop1h 37mUnited Airlines
Fri 1/25:40 amSDF - ORD
Nonstop1h 44mUnited Airlines
Deal found 12/2$196
This American Airlines deal was found by Cheapflights users on 12/2. 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 12/251:30 pmORD - SDF
Nonstop1h 29mAmerican Airlines
Fri 1/28:00 amSDF - ORD
1 stop7h 12mAmerican Airlines
Deal found 12/2$206
This Delta deal was found by Cheapflights users on 12/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/246:02 pmORD - SDF
1 stop3h 56mDelta
Thu 1/16:00 amSDF - ORD
1 stop4h 36mDelta
Deal found 12/2$208
This Delta deal was found by Cheapflights users on 12/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/256:02 pmORD - SDF
1 stop3h 56mDelta
Fri 1/21:52 pmSDF - ORD
1 stop4h 30mDelta
Deal found 12/2$236
This Delta deal was found by Cheapflights users on 12/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/246:02 pmORD - SDF
1 stop3h 56mDelta
Wed 12/311:52 pmSDF - ORD
1 stop4h 30mDelta
Deal found 12/2$238
This United Airlines deal was found by Cheapflights users on 12/2. 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.
Wed 12/247:52 pmORD - SDF
Nonstop1h 38mUnited Airlines
Fri 1/25:40 amSDF - ORD
Nonstop1h 44mUnited Airlines
Deal found 12/2$256
This Delta deal was found by Cheapflights users on 12/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/246:02 pmORD - SDF
1 stop3h 56mDelta
Tue 12/3010:14 amSDF - ORD
1 stop7h 05mDelta
Deal found 12/2$258
This American Airlines deal was found by Cheapflights users on 12/2. 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 12/249:30 amORD - SDF
Nonstop1h 36mAmerican Airlines
Sun 12/285:49 pmSDF - ORD
Nonstop1h 50mAmerican Airlines
Deal found 12/2$269

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 December 4, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$91
(United Airlines)

One-way from

$46
(United Airlines)

Popular in

March

Cheapest in

August

Average price

$273

Good round-trip deal

$216 or less

Good one-way deal

$147 or less
Provider with most accurate pricing for Chicago O'Hare Intl-Louisville Intl flight deals.
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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
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One-way flight from Chicago O'Hare Intl to Louisville Intl
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Highest demand for flights based on searches. 16% potential increase in price ($62 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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Price to beat on a round-trip flight from Chicago O'Hare Intl to Louisville Intl.
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Price to beat on a one-way flight from Chicago O'Hare Intl to Louisville Intl.
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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 December 4, 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

O'Hare Intl

Fly to

Louisville

Route

Depart

Return

Price

ChicagoLouisville

ORD - SDF

ORDSDF

Chicago O'Hare Intl

Thu 1/8

5:50 pm-8:28 pm

Nonstop1h 38m

Louisville Intl

Mon 1/12

5:35 am-6:19 am

Nonstop1h 44m

$91

ChicagoLouisville

ORD - SDF

ORDSDF

Chicago O'Hare Intl

Tue 1/13

8:49 pm-11:19 pm

Nonstop1h 30m

Louisville Intl

Thu 1/15

1:32 pm-2:20 pm

Nonstop1h 48m

$91

ChicagoLouisville

ORD - SDF

ORDSDF

Chicago O'Hare Intl

Fri 1/16

7:45 am-10:23 am

Nonstop1h 38m

Louisville Intl

Mon 1/19

8:29 am-9:13 am

Nonstop1h 44m

$91

ChicagoLouisville

ORD - SDF

ORDSDF

Chicago O'Hare Intl

Wed 2/18

7:40 pm-10:13 pm

Nonstop1h 33m

Louisville Intl

Sat 2/21

9:00 am-9:44 am

Nonstop1h 44m

$151

ChicagoLouisville

ORD - SDF

ORDSDF

Chicago O'Hare Intl

Tue 2/3

1:58 pm-9:19 pm

1 stop6h 21m

Louisville Intl

Wed 2/18

10:46 am-1:22 pm

1 stop3h 36m

$157

ChicagoLouisville

ORD - SDF

ORDSDF

Chicago O'Hare Intl

Tue 1/13

1:55 pm-9:15 pm

1 stop6h 20m

Louisville Intl

Thu 1/15

6:21 pm-9:05 pm

1 stop3h 44m

$157

ChicagoLouisville

ORD - SDF

ORDSDF

Chicago O'Hare Intl

Thu 1/8

5:30 am-11:37 am

1 stop5h 07m

Louisville Intl

Mon 1/12

7:50 am-1:08 pm

1 stop6h 18m

$157

ChicagoLouisville

ORD - SDF

ORDSDF

Chicago O'Hare Intl

Wed 2/4

5:59 pm-11:50 pm

1 stop4h 51m

Louisville Intl

Sat 2/7

5:47 pm-11:56 pm

1 stop7h 09m

$157

ChicagoLouisville

ORD - SDF

ORDSDF

Chicago O'Hare Intl

Tue 1/27

5:30 am-11:37 am

1 stop5h 07m

Louisville Intl

Fri 1/30

5:47 pm-11:55 pm

1 stop7h 08m

$157

ChicagoLouisville

ORD - SDF

ORDSDF

Chicago O'Hare Intl

Mon 1/19

5:50 pm-8:28 pm

Nonstop1h 38m

$46

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/3

Showing 1-10 of 19 results
1
2

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 December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Chicago O'Hare Intl Airport-Louisville flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 November 28, 2025.

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 38 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, June is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Louisville (average of $90). Flying from Chicago O'Hare Intl Airport to Louisville in January is currently the most expensive (average of $191). 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 December 4, 2025.

It’s typically best to fly out from Chicago O'Hare Intl Airport to Louisville in the morning. Doing so could potentially save you 2% on the flight price compared to flying at noon, 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 November 29, 2025.

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

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 December 4, 2025.
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
9,066 reviews

Food

6.6

Crew

8.1

Boarding

7.7

Overall

7.4

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
9,066 reviews
United Airlines
7.4
Good
9,066 reviews

Food

6.6

Crew

8.1

Boarding

7.7

Overall

7.4

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
American Airlines
7.2
Good
11,047 reviews
United Airlines
7.4
Good
9,066 reviews

Food

6.6

Crew

8.1

Boarding

7.7

Overall

7.4

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

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 27 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 30m. United Airlines provides one of the quickest options available for as low as $91. The distance from Chicago O'Hare Intl Airport to Louisville is about 287 mi. Most flights are nonstop.

  • 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 60% 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 Envoy Air (93%), Japan Airlines (90%) or Republic Airways (86%) 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 $1,027 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 $91.

  • 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, June is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Louisville (average of $90). Flying from Chicago O'Hare Intl Airport to Louisville in January is currently the most expensive (average of $191). 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 December 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$127Average$289FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$136Average$306FlexibilityNo cancel feeOn-time71%

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