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Cheap flights from Louisville to Chicago from $46

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Louisville to Chicago departing on 2/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

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American Airlines Logo
6:00 am - 6:40 amSDF-ORD
1h 40mnonstop
American Airlines Logo
8:25 pm - 10:55 pmORD-SDF
1h 30mnonstop
$97American Airlines
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Thu, Nov 13 - Mon, Nov 17
United Airlines Logo
7:00 am - 7:40 amSDF-ORD
1h 40mnonstop
United Airlines Logo
7:25 am - 10:03 amORD-SDF
1h 38mnonstop
$127United Airlines
Find Deal
Mon, Dec 15 - Thu, Dec 18
American Airlines Logo
7:38 am - 8:18 amSDF-ORD
1h 40mnonstop
American Airlines Logo
8:25 pm - 10:55 pmORD-SDF
1h 30mnonstop
$132American Airlines
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Thu, Nov 20 - Mon, Nov 24
American Airlines Logo
5:20 pm - 6:05 pmSDF-ORD
1h 45mnonstop
American Airlines Logo
8:25 pm - 10:55 pmORD-SDF
1h 30mnonstop
$134American Airlines
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Sat, Nov 8 - Mon, Nov 17
United Airlines Logo
11:00 am - 11:40 amSDF-ORD
1h 40mnonstop
United Airlines Logo
1:55 pm - 4:27 pmORD-SDF
1h 32mnonstop
$151United Airlines
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Mon, Nov 24 - Thu, Nov 27
Delta Logo
7:54 pm - 12:01 amSDF-ORD
5h 07m1 stop
Delta Logo
2:35 pm - 9:14 pmORD-SDF
5h 39m1 stop
$157Delta
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Thu, Nov 13 - Mon, Nov 17
Delta Logo
7:54 pm - 12:02 amSDF-ORD
5h 08m1 stop
Delta Logo
5:42 pm - 11:00 pmORD-SDF
4h 18m1 stop
$158Delta
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Thu, Nov 20 - Mon, Nov 24
Southwest Logo
7:20 am - 1:00 pmSDF-ORD
6h 40m1 stop
Southwest Logo
5:15 pm - 11:15 pmORD-SDF
5h 00m1 stop
$221Southwest
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Thu, Nov 13 - Sat, Nov 22
Spirit Airlines Logo
7:11 pm - 11:12 amSDF-ORD
17h 01m1 stop
Spirit Airlines Logo
5:10 am - 6:16 pmORD-SDF
12h 06m1 stop
$225Spirit Airlines
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Fri, Nov 14 - Mon, Nov 17
Spirit Airlines Logo
7:11 pm - 9:47 amSDF-ORD
15h 36m1 stop
Spirit Airlines Logo
10:52 am - 6:16 pmORD-SDF
30h 24m1 stop
$226Spirit Airlines
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Mon, Nov 3 - Wed, Nov 12

American Airlines flights from Louisville to Chicago O'Hare Intl Airport

Our best American Airlines deals on Louisville to Chicago O'Hare Intl Airport flight tickets
American Airlines
Nov 13
SDF6:00 amLouisville Intl
1h 40m
ORD6:40 amChicago O'Hare Intl
Nov 17
ORD8:25 pmChicago O'Hare Intl
1h 30m
SDF10:55 pmLouisville Intl
$97
Find similar
American Airlines
Nov 20
SDF7:38 amLouisville Intl
1h 40m
ORD8:18 amChicago O'Hare Intl
Nov 24
ORD8:25 pmChicago O'Hare Intl
1h 30m
SDF10:55 pmLouisville Intl
$132
Find similar
American Airlines
Nov 8
SDF5:20 pmLouisville Intl
1h 45m
ORD6:05 pmChicago O'Hare Intl
Nov 17
ORD8:25 pmChicago O'Hare Intl
1h 30m
SDF10:55 pmLouisville Intl
$134
Find similar

United Airlines flights from Louisville to Chicago O'Hare Intl Airport

Our best United Airlines deals on Louisville to Chicago O'Hare Intl Airport flight tickets
United Airlines
Dec 15
SDF7:00 amLouisville Intl
1h 40m
ORD7:40 amChicago O'Hare Intl
Dec 18
ORD7:25 amChicago O'Hare Intl
1h 38m
SDF10:03 amLouisville Intl
$127
Find similar
United Airlines
Nov 24
SDF11:00 amLouisville Intl
1h 40m
ORD11:40 amChicago O'Hare Intl
Nov 27
ORD1:55 pmChicago O'Hare Intl
1h 32m
SDF4:27 pmLouisville Intl
$151
Find similar
United Airlines
Nov 24
SDF11:00 amLouisville Intl
1h 40m
ORD11:40 amChicago O'Hare Intl
Nov 29
ORD10:50 amChicago O'Hare Intl
1h 27m
SDF1:17 pmLouisville Intl
$193
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momondo Fare Finder

 
Customize your flight search to find flights from Louisville to Chicago O'Hare Intl Airport 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, momondo users made 832,500 searches. Data last updated October 16, 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

Fly to

Route

Depart

Return

Price

LouisvilleChicago

SDF - ORD

SDFORD

Louisville Intl

Thu 11/13

6:00 am-6:40 am

Nonstop1h 40m

Chicago O'Hare Intl

Mon 11/17

8:25 pm-10:55 pm

Nonstop1h 30m

$97

LouisvilleChicago

SDF - ORD

SDFORD

Louisville Intl

Mon 12/15

7:00 am-7:40 am

Nonstop1h 40m

Chicago O'Hare Intl

Thu 12/18

7:25 am-10:03 am

Nonstop1h 38m

$127

LouisvilleChicago

SDF - ORD

SDFORD

Louisville Intl

Thu 11/20

7:38 am-8:18 am

Nonstop1h 40m

Chicago O'Hare Intl

Mon 11/24

8:25 pm-10:55 pm

Nonstop1h 30m

$132

LouisvilleChicago

SDF - ORD

SDFORD

Louisville Intl

Sat 11/8

5:20 pm-6:05 pm

Nonstop1h 45m

Chicago O'Hare Intl

Mon 11/17

8:25 pm-10:55 pm

Nonstop1h 30m

$134

LouisvilleChicago

SDF - ORD

SDFORD

Louisville Intl

Mon 11/24

11:00 am-11:40 am

Nonstop1h 40m

Chicago O'Hare Intl

Thu 11/27

1:55 pm-4:27 pm

Nonstop1h 32m

$151

LouisvilleChicago

SDF - ORD

SDFORD

Louisville Intl

Thu 11/13

7:54 pm-12:01 am

1 stop5h 07m

Chicago O'Hare Intl

Mon 11/17

2:35 pm-9:14 pm

1 stop5h 39m

$157

LouisvilleChicago

SDF - ORD

SDFORD

Louisville Intl

Thu 11/20

7:54 pm-12:02 am

1 stop5h 08m

Chicago O'Hare Intl

Mon 11/24

5:42 pm-11:00 pm

1 stop4h 18m

$158

LouisvilleChicago

SDF - ORD

SDFORD

Louisville Intl

Thu 11/13

7:20 am-1:00 pm

1 stop6h 40m

Chicago O'Hare Intl

Sat 11/22

5:15 pm-11:15 pm

1 stop5h 00m

$221

LouisvilleChicago

SDF - ORD

SDFORD

Louisville Intl

Fri 11/14

7:11 pm-11:12 am

1 stop17h 01m

Chicago O'Hare Intl

Mon 11/17

5:10 am-6:16 pm

1 stop12h 06m

$225

LouisvilleChicago

SDF - ORD

SDFORD

Louisville Intl

Mon 11/3

7:11 pm-9:47 am

1 stop15h 36m

Chicago O'Hare Intl

Wed 11/12

10:52 am-6:16 pm

1 stop30h 24m

$226

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Chicago from

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

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

What is the cheapest month to fly to Chicago O'Hare Intl Airport?

The month of October is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Louisville averaging around $245.

What is the cheapest day to depart on your flight to Chicago O'Hare Intl Airport?

The cheapest day to depart on your flight to Chicago O'Hare Intl Airport is on a Thursday when prices can be found for as low as $582. This is often the case because there is less demand to fly during this day of the week. On the other hand, Sunday is the most expensive day to depart from Louisville because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $881.

What is the cheapest time of day to depart on your flight to Chicago O'Hare Intl Airport?

Flying to Chicago O'Hare Intl Airport from Louisville in the morning is the least expensive time of day to depart. momondo users have found prices as low as $583 when looking at flights departing in the morning. Try not to purchase tickets at noon because they tend to be around $1,077. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

Fly from Louisville Intl to Chicago O'Hare Intl for the best Louisville Intl - Chicago O'Hare Intl flight prices

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

You are more likely to see cheaper flights to Chicago O'Hare Intl Airport from Louisville when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago O'Hare Intl Airport for around $283 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago O'Hare Intl Airport from Louisville for as low as $190 on momondo.

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

There are 4 cabin classes available to choose from on Louisville Intl to Chicago O'Hare Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Louisville to Chicago O'Hare Intl Airport flights?

No. A direct flight is the cheapest option for a flight between Louisville to Chicago O'Hare Intl Airport.

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

As of October 2025, prices for Louisville to Chicago O'Hare Intl Airport flights are approximately 53% cheaper when compared to flights at the same time last year.

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

Are you open to changing your travel dates? Check out the ideal times to fly from Louisville to Chicago O'Hare Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

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

Find info about flight duration, direct flights, and airports for your flight from Louisville to Chicago O'Hare Intl Airport

Best Price Found

$141

Fastest flight time

1h 33m

Direct flights

Every day
The best one-way flight to Chicago O'Hare Intl Airport from Louisville in the past 72 hours is $141. The best round-trip flight deal from Louisville to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is $329.
The fastest flight from Louisville to Chicago O'Hare Intl Airport takes 1h 33m
Direct flights go from Louisville to Chicago O'Hare Intl Airport every day.
Search flight deals

  • How far is Louisville Intl to Chicago O'Hare Intl by plane?

    The straight-line distance from Louisville Intl to Chicago O'Hare Intl is 281.5 mi. By plane, this route typically takes 1h 38m.

  • When did momondo last update prices for flights from Louisville Intl Airport to Chicago O'Hare Intl Airport?

    Prices for flights from Louisville Intl Airport to Chicago O'Hare Intl Airport refresh daily.

  • How many operators does momondo search for flights from Louisville Intl Airport to Chicago O'Hare Intl Airport?

  • How old do you have to be to fly from Louisville Intl Airport to Chicago O'Hare Intl Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Louisville Intl Airport to Chicago O'Hare Intl Airport.

  • What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?

    The necessary travel and health documents for your Chicago O'Hare Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Louisville to Chicago O'Hare Intl Airport?

  • What is the most popular airline from Louisville to Chicago O'Hare Intl Airport?

Best airlines flying from Louisville to Chicago O'Hare Intl Airport

Compare and see reviews for airlines that fly from Louisville to Chicago O'Hare Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $97Free CancellationRating
7.2
11,043 reviews
Search American Airlines flights
United AirlinesPriceFrom $123Free CancellationRating
7.4
8,982 reviews
Search United Airlines flights

  • United Airlines Flights From Louisville to Chicago O'Hare Intl Airport

    United Airlines is one of the most popular airlines flying from Louisville to Chicago O'Hare Intl Airport, operating 37 flights/week on average for this route. A good United Airlines flight deal for Louisville to Chicago O'Hare Intl Airport starts from $123 round-trip, up to an average price of $291. Our users have rated United Airlines at 7.4/10.

  • American Airlines Flights From Louisville to Chicago O'Hare Intl Airport

    The best American Airlines deal for Louisville to Chicago O'Hare Intl Airport flight tickets found on momondo in the last 72 hours was $97, round-trip. It should be noted that an average American Airlines flight deal for this route in this time was higher, at $263 round-trip. American Airlines operates 25 flights out of Louisville into Chicago O'Hare Intl Airport in an average week, so prices vary by time and availability. 11,043 American Airlines reviews by users on momondo have scored the airline at 7.2/10.

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Lake Geneva
South Haven
Schaumburg
Rockford
Merrillville
Gurnee
Naperville
Rosemont
Kenosha
New Buffalo
Joliet
Oak Brook
Racine
Orland Park
Hammond
Tinley Park
Janesville
Elgin
Aurora
Benton Harbor

Why use momondo?

Why should I use momondo to find a flight deal from Louisville to Chicago?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Louisville to Chicago. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Louisville to Chicago with flexible booking policies on momondo?

momondo does allow users to show only those flights to Chicago from Louisville which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Louisville to Chicago?

Once you have performed a search for Louisville to Chicago flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Louisville to Chicago right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Louisville to Chicago now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Chicago and let you know when they change.

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