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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 10/22. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — ORD
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
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 52 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 July 29, 2025.

Round-trip from

$97
(American Airlines)

One-way from

$49
(United Airlines)

Popular in

March

Cheapest in

August

Average price

$297

Good round-trip deal

$445 or less

Good one-way deal

$221 or less
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. 9% potential increase in price ($30 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 29, 2025.

This American Airlines deal was found by Cheapflights users on 7/29. 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 9/236:12 pmSDF - ORD
Nonstop1h 40mAmerican Airlines
Wed 9/243:15 pmORD - SDF
Nonstop1h 23mAmerican Airlines
Deal found 7/29$97
This United Airlines deal was found by Cheapflights users on 7/29. 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 9/169:05 amSDF - ORD
Nonstop1h 38mUnited Airlines
Wed 9/247:26 amORD - SDF
Nonstop1h 36mUnited Airlines
Deal found 7/29$157
This Southwest deal was found by Cheapflights users on 7/29. 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 8/235:50 amSDF - ORD
1 stop7h 00mSouthwest
Mon 8/257:30 amORD - SDF
1 stop6h 20mSouthwest
Deal found 7/29$175
This Delta deal was found by Cheapflights users on 7/29. 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.
Tue 9/166:00 amSDF - ORD
1 stop5h 10mDelta
Sat 9/2011:15 amORD - SDF
1 stop6h 21mDelta
Deal found 7/29$177
This Mytrip deal was found by Cheapflights users on 7/29. 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.
Sat 9/1310:14 amSDF - ORD
1 stop12h 44mSpirit Airlines
Sun 9/145:17 pmORD - SDF
1 stop15h 02mSpirit Airlines
Deal found 7/29$216

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 July 29, 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 8/26

6:44 am-7:30 am

Nonstop1h 46m

Chicago O'Hare Intl

Tue 9/2

8:20 pm-11:02 pm

Nonstop1h 42m

$97

LouisvilleChicago

SDF - ORD

SDFORD

Louisville Intl

Tue 9/16

9:05 am-9:43 am

Nonstop1h 38m

Chicago O'Hare Intl

Tue 9/23

5:55 pm-8:28 pm

Nonstop1h 33m

$157

LouisvilleChicago

SDF - ORD

SDFORD

Louisville Intl

Tue 9/23

3:20 pm-9:30 pm

1 stop7h 10m

Chicago O'Hare Intl

Wed 9/24

1:50 pm-7:55 pm

1 stop5h 05m

$174

LouisvilleChicago

SDF - ORD

SDFORD

Louisville Intl

Tue 9/16

6:00 am-10:10 am

1 stop5h 10m

Chicago O'Hare Intl

Sat 9/20

11:15 am-6:36 pm

1 stop6h 21m

$177

LouisvilleChicago

SDF - ORD

SDFORD

Louisville Intl

Sat 9/13

10:14 am-9:58 pm

1 stop12h 44m

Chicago O'Hare Intl

Sun 9/14

5:17 pm-9:19 am

1 stop15h 02m

$216

LouisvilleChicago

SDF - ORD

SDFORD

Louisville Intl

Wed 10/22

8:45 am-9:23 am

Nonstop1h 38m

$49

LouisvilleChicago

SDF - ORD

SDFORD

Louisville Intl

Tue 9/30

5:30 am-11:50 am

1 stop7h 20m

$59

LouisvilleChicago

SDF - ORD

SDFORD

Louisville Intl

Tue 8/26

6:00 am-10:04 am

1 stop5h 04m

$89

LouisvilleChicago

SDF - ORD

SDFORD

Louisville Intl

Mon 9/22

11:17 am-5:39 pm

1 stop7h 22m

$103

LouisvilleChicago

SDF - ORD

SDFORD

Louisville Intl

Mon 8/25

6:44 am-7:30 am

Nonstop1h 46m

$106

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 11 results
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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 July 25, 2025.

Booking 51 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 July 29, 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 47% 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 July 27, 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. Tuesday afternoons 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 July 29, 2025.

The most flights from SDF to ORD are scheduled on a Monday (43 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (30 on average).

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 July 29, 2025.
Read reviews from past customers who have flown Southwest, Delta, and United Airlines from Louisville to Chicago O'Hare Intl Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,238 reviews

Boarding

8.1

Entertainment

7.5

Comfort

8.0

Crew

8.6

Food

7.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
Southwest
8.0
Very good
4,238 reviews
Southwest
8.0
Very good
4,238 reviews

Boarding

8.1

Entertainment

7.5

Comfort

8.0

Crew

8.6

Food

7.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
Delta
8.0
Very good
7,977 reviews
Southwest
8.0
Very good
4,238 reviews

Boarding

8.1

Entertainment

7.5

Comfort

8.0

Crew

8.6

Food

7.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
United Airlines
7.4
Good
8,899 reviews
Southwest
8.0
Very good
4,238 reviews

Boarding

8.1

Entertainment

7.5

Comfort

8.0

Crew

8.6

Food

7.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,238 reviews

Boarding

8.1

Entertainment

7.5

Comfort

8.0

Crew

8.6

Food

7.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
Spirit Airlines
6.3
Okay
8,040 reviews
Southwest
8.0
Very good
4,238 reviews

Boarding

8.1

Entertainment

7.5

Comfort

8.0

Crew

8.6

Food

7.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.

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 39 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 ($97), United Airlines ($157), and Southwest ($174) 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 65% 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 Delta, with prices starting from $59 and $89, 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 Japan Airlines (93%), Republic Airways (85%) or Copa Airlines (85%) 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 $89. While the most popular route (Louisville Intl - Chicago O'Hare Intl) can be booked for $137 on average our data indicates $1,521 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

Traveling to a place near Chicago O'Hare Intl Airport?

Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locations
Schaumburg
Rosemont
Beloit
Hoffman Estates
Skokie
Naperville
Des Plaines
Elgin
Arlington Heights
Elk Grove Village
Racine
Rockford
Tinley Park
Orland Park
Merrillville
Downers Grove
Evanston
Lake Geneva
Gurnee
Joliet

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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 July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$97Average$260FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$106Average$285FlexibilityNo cancel feeOn-time69%

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