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O'Hare Intl

$49+ Cheap flights from Louisville (SDF) to O'Hare Intl (ORD)

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 7/23. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — ORD
Apr 16 — Apr 231
Wed 4/16
Wed 4/23
1 adult, Economy
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Cheapflights Tip: The best prices from Louisville Intl to Chicago O'Hare Intl are usually found in August or October, booked 35 days in advance, depart on a Thursday or Friday and return on a Saturday

Cheap flight deals from Louisville to O'Hare Intl

Discover tips and strategies to find the most affordable flight options for your journey from Louisville (SDF) to O'Hare Intl (ORD). 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 April 11, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$149
(American Airlines)

One-way from

$49
(United Airlines)

Popular in

March

Cheapest in

August

Average price

$281

Good round-trip deal

$367 or less

Good one-way deal

$209 or less
Provider with most accurate pricing for Louisville Intl-Chicago O'Hare Intl flight deals.
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Provider most trusted by Cheapflights users for Louisville Intl-Chicago O'Hare Intl flights.
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From Louisville Intl to Chicago O'Hare Intl
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One-way flight from Louisville Intl to Chicago O'Hare Intl
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Highest demand for flights based on searches. 13% potential increase in price ($42 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from Louisville Intl to Chicago O'Hare Intl.
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Price to beat on a one-way flight from Louisville Intl to Chicago O'Hare Intl.
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Find flight deals from Louisville to O'Hare Intl

Cheapest flights from Louisville to O'Hare Intl
Explore the most affordable flight options available from Louisville to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 11, 2025.

This American Airlines deal was found by Cheapflights users on 4/10. 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 7/17:00 amSDF - ORD
Nonstop1h 45mAmerican Airlines
Thu 7/38:20 pmORD - SDF
Nonstop1h 39mAmerican Airlines
Deal found 4/10$149
This United deal was found by Cheapflights users on 4/9. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/228:55 amSDF - ORD
Nonstop1h 37mUnited Airlines
Mon 5/265:55 pmORD - SDF
Nonstop1h 31mUnited Airlines
Deal found 4/9$157
This Southwest deal was found by Cheapflights users on 4/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/313:45 pmSDF - ORD
1 stop7h 15mSouthwest
Tue 6/37:30 amORD - SDF
1 stop7h 55mSouthwest
Deal found 4/10$158
This Delta deal was found by Cheapflights users on 4/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/87:50 amSDF - ORD
1 stop5h 51mDelta
Mon 5/1211:05 amORD - SDF
1 stop6h 24mDelta
Deal found 4/11$177
This FlightHub deal was found by Cheapflights users on 4/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/142:07 pmSDF - ORD
1 stop7h 01mSpirit Airlines
Fri 5/166:30 amORD - SDF
1 stop5h 42mSpirit Airlines
Deal found 4/10$198
This Mytrip deal was found by Cheapflights users on 4/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/269:55 amSDF - ORD
1 stop22h 32mMultiple Airlines
Tue 5/2712:41 pmORD - SDF
1 stop29h 34mMultiple Airlines
Deal found 4/10$254

Cheapflights Fare Finder

Customize your flight search to find flights from Louisville to O'Hare Intl 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 April 11, 2025.
Use the filters below to find and compare flights from Louisville to Chicago O'Hare Intl Airport that are best for you.

Fly from

Louisville

Fly to

O'Hare Intl

Route

Depart

Return

Price

LouisvilleChicago

SDF - ORD

SDFORD

Louisville Intl

Tue 7/1

7:00 am-7:45 am

Nonstop1h 45m

Chicago O'Hare Intl

Thu 7/3

8:20 pm-10:59 pm

Nonstop1h 39m

$149

LouisvilleChicago

SDF - ORD

SDFORD

Louisville Intl

Thu 5/22

8:55 am-9:32 am

Nonstop1h 37m

Chicago O'Hare Intl

Mon 5/26

5:55 pm-8:26 pm

Nonstop1h 31m

$157

LouisvilleChicago

SDF - ORD

SDFORD

Louisville Intl

Sat 5/31

3:45 pm-10:00 pm

1 stop7h 15m

Chicago O'Hare Intl

Tue 6/3

7:30 am-4:25 pm

1 stop7h 55m

$158

LouisvilleChicago

SDF - ORD

SDFORD

Louisville Intl

Thu 5/8

7:50 am-12:41 pm

1 stop5h 51m

Chicago O'Hare Intl

Mon 5/12

11:05 am-6:29 pm

1 stop6h 24m

$177

LouisvilleChicago

SDF - ORD

SDFORD

Louisville Intl

Wed 5/14

2:07 pm-8:08 pm

1 stop7h 01m

Chicago O'Hare Intl

Fri 5/16

6:30 am-1:12 pm

1 stop5h 42m

$198

LouisvilleChicago

SDF - ORD

SDFORD

Louisville Intl

Mon 5/26

9:55 am-7:27 am

1 stop22h 32m

Chicago O'Hare Intl

Tue 5/27

12:41 pm-7:15 pm

1 stop29h 34m

$254

LouisvilleChicago

SDF - ORD

SDFORD

Louisville Intl

Tue 5/13

8:56 am-9:32 am

Nonstop1h 36m

$49

LouisvilleChicago

SDF - ORD

SDFORD

Louisville Intl

Tue 5/13

4:10 pm-9:30 pm

1 stop6h 20m

$59

LouisvilleChicago

SDF - ORD

SDFORD

Louisville Intl

Thu 5/15

7:00 am-7:36 am

Nonstop1h 36m

$79

LouisvilleChicago

SDF - ORD

SDFORD

Louisville Intl

Tue 5/13

12:58 pm-8:50 am

2 stops20h 52m

$88

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/10

Showing 1-10 of 13 results
1
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Compare providers for flights from Louisville to O'Hare Intl

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 Louisville to O'Hare Intl in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*2 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 Louisville-Chicago O'Hare Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Louisville-Chicago O'Hare Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Louisville-Chicago O'Hare Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Louisville-Chicago O'Hare Intl Airport 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 Louisville-Chicago O'Hare Intl Airport 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 Louisville to O'Hare Intl

Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Louisville 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 Louisville to Chicago O'Hare Intl Airport

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

Use this chart to determine the optimal time to book a round-trip flight from Louisville to O'Hare Intl. Price data was last updated on April 4, 2025.

Booking 35 days in advance of your planned departure date is, on average, the best time to get cheap flights from Louisville to Chicago O'Hare Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, August is the cheapest month in which you can book a flight from Louisville to Chicago O'Hare Intl Airport (average of $245). Flying from Louisville to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $321). 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 SDF to ORD?

Find hourly flight availability from Louisville to O'Hare Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 11, 2025.

A simple way to save on the total cost of your ticket is to fly from Louisville to Chicago O'Hare Intl Airport in the morning. If you’re flexible enough to do this you can expect to save up to 52% on your trip compared to booking a flight at noon.

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

Use this chart to determine the cheapest time to fly round-trip from Louisville to O'Hare Intl. Price data was last updated on March 30, 2025.

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

Weekly flight availability from Louisville to Chicago O'Hare Intl Airport

Explore weekly flight availability from Louisville to O'Hare Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated April 11, 2025.

The most flights from SDF to ORD are scheduled on a Friday (43 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (29 on average).

Rainfall in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Chicago O'Hare Intl Airport ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Chicago O'Hare Intl Airport when rainfall is around 1.7 in.

Temperature in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Chicago O'Hare Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing O'Hare Intl

Get insights into the airlines that provide service to O'Hare Intl. 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 O'Hare Intl. Reviews last updated April 11, 2025.
Get a feel of what it's like to fly with Southwest, Delta and United Airlines from Louisville to Chicago by reading reviews from past customers. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,279 reviews

Entertainment

7.6

Comfort

8.0

Crew

8.6

Food

7.1

Boarding

8.2

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.0
Very good
4,279 reviews
Southwest
8.0
Very good
4,279 reviews

Entertainment

7.6

Comfort

8.0

Crew

8.6

Food

7.1

Boarding

8.2

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Delta
8.0
Very good
7,910 reviews
Southwest
8.0
Very good
4,279 reviews

Entertainment

7.6

Comfort

8.0

Crew

8.6

Food

7.1

Boarding

8.2

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
United Airlines
7.4
Good
8,636 reviews
Southwest
8.0
Very good
4,279 reviews

Entertainment

7.6

Comfort

8.0

Crew

8.6

Food

7.1

Boarding

8.2

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,279 reviews

Entertainment

7.6

Comfort

8.0

Crew

8.6

Food

7.1

Boarding

8.2

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Sun Country Air
6.9
Okay
349 reviews
Southwest
8.0
Very good
4,279 reviews

Entertainment

7.6

Comfort

8.0

Crew

8.6

Food

7.1

Boarding

8.2

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Related info for your journey

Find useful and relevant information for your journey from Louisville to O'Hare Intl. 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 from for flights from Louisville to Chicago O'Hare Intl?

    Louisville Intl (SDF) is the airport you will fly out of if you book a flight from Louisville to Chicago O'Hare Intl. You should not have trouble finding flights to Chicago O'Hare Intl from Louisville Intl; the airport handles an average of 36 outbound flights to Chicago O'Hare Intl per day. You should also have plenty of airline options to choose from since 2 airlines have flights from the Louisville airport to Chicago O'Hare Intl. It is only a 5.3 mi journey to Louisville Intl (SDF) from Louisville’s city center.

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

    According to our current data, American Airlines ($149), United Airlines ($157), and Southwest ($158) offers the cheapest pricing from Louisville to Chicago O'Hare Intl Airport. You may be able to fly from Louisville to Chicago O'Hare Intl Airport for 44% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Louisville to Chicago O'Hare Intl Airport one-way?

    $49 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on Southwest and Spirit Airlines, with prices starting from $59 and $88, respectively.

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

    No one likes to see their flight delayed. When booking a flight from Louisville to Chicago O'Hare Intl Airport consider choosing GoJet (100%), Copa Airlines (93%) or Royal Jordanian (91%) as they are the most reliable in getting you off to your destination on time.

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

    Looking at all options, your cheapest flight can be booked for $87. While the most popular route (Louisville Intl - Chicago O'Hare Intl) can be booked for $97 on average our data indicates $1,104 when flying from Louisville to Chicago O'Hare Intl Airport.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Louisville to O'Hare Intl 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 Louisville to Chicago O'Hare Intl Airport?

    Currently, August is the cheapest month in which you can book a flight from Louisville to Chicago O'Hare Intl Airport (average of $245). Flying from Louisville to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $321). 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

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Top 2 airlines flying from Louisville to O'Hare Intl

Discover the top 2 airlines that operate flights from Louisville to O'Hare Intl. 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 April 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$105Average$278FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$114Average$259FlexibilityNo cancel feeOn-time71%

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