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Cheap flights from Louisville to Chicago from $49

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 11/12. 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

United Airlines Logo
7:00 am - 7:40 amSDF-ORD
1h 40mnonstop
United Airlines Logo
6:10 pm - 8:44 pmORD-SDF
1h 34mnonstop
$115United Airlines
Find Deal
Sat, Nov 8 - Sun, Nov 9
American Airlines Logo
6:45 am - 7:18 amSDF-ORD
1h 33mnonstop
American Airlines Logo
8:21 pm - 10:56 pmORD-SDF
1h 35mnonstop
$134American Airlines
Find Deal
Tue, Oct 14 - Fri, Oct 17
United Airlines Logo
9:00 am - 9:40 amSDF-ORD
1h 40mnonstop
United Airlines Logo
7:30 am - 9:59 amORD-SDF
1h 29mnonstop
$152United Airlines
Find Deal
Tue, Nov 4 - Thu, Nov 6
American Airlines Logo
6:45 am - 7:18 amSDF-ORD
1h 33mnonstop
American Airlines Logo
8:28 pm - 11:03 pmORD-SDF
1h 35mnonstop
$164American Airlines
Find Deal
Tue, Oct 14 - Tue, Oct 21
Delta Logo
6:00 am - 10:19 amSDF-ORD
5h 19m1 stop
Delta Logo
4:21 pm - 12:06 amORD-SDF
6h 45m1 stop
$177Delta
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Tue, Nov 11 - Tue, Nov 11
Delta Logo
6:00 am - 10:19 amSDF-ORD
5h 19m1 stop
Delta Logo
2:30 pm - 12:06 amORD-SDF
8h 36m2 stops
$182Delta
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Tue, Nov 11 - Tue, Nov 11
Southwest Logo
1:45 pm - 9:30 pmSDF-ORD
8h 45m1 stop
Southwest Logo
1:50 pm - 9:40 pmORD-SDF
6h 50m1 stop
$189Southwest
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Tue, Oct 14 - Wed, Oct 15
Spirit Airlines Logo
6:58 pm - 10:50 amSDF-ORD
16h 52m1 stop
Spirit Airlines Logo
5:59 pm - 9:59 amORD-SDF
15h 00m1 stop
$209Spirit Airlines
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Thu, Oct 30 - Thu, Nov 6
Spirit Airlines Logo
8:23 am - 10:18 amSDF-ORD
26h 55m2 stops
Spirit Airlines Logo
7:43 pm - 4:36 pmORD-SDF
19h 53m1 stop
$215Spirit Airlines
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Mon, Sep 29 - Tue, Oct 7
Southwest Logo
1:20 pm - 4:25 pmSDF-ORD
4h 05m1 stop
Southwest Logo
1:50 pm - 9:40 pmORD-SDF
6h 50m1 stop
$216Southwest
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Mon, Oct 20 - Wed, Oct 22

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

Our best Spirit Airlines deals on Louisville to Chicago O'Hare Intl Airport flight tickets
Spirit Airlines
Oct 30
SDF6:58 pmLouisville Intl
16h 52m
1 stop
ORD10:50 amChicago O'Hare Intl
Nov 6
ORD5:59 pmChicago O'Hare Intl
15h 00m
1 stop
SDF9:59 amLouisville Intl
$209
Find similar
Spirit Airlines
Sep 29
SDF8:23 amLouisville Intl
26h 55m
2 stops
ORD10:18 amChicago O'Hare Intl
Oct 7
ORD7:43 pmChicago O'Hare Intl
19h 53m
1 stop
SDF4:36 pmLouisville Intl
$215
Find similar
Spirit Airlines
Oct 8
SDF5:31 pmLouisville Intl
18h 19m
1 stop
ORD10:50 amChicago O'Hare Intl
Oct 16
ORD7:43 pmChicago O'Hare Intl
14h 09m
1 stop
SDF10:52 amLouisville Intl
$219
Find similar

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
Oct 14
SDF6:45 amLouisville Intl
1h 33m
ORD7:18 amChicago O'Hare Intl
Oct 17
ORD8:21 pmChicago O'Hare Intl
1h 35m
SDF10:56 pmLouisville Intl
$134
Find similar
American Airlines
Oct 14
SDF6:45 amLouisville Intl
1h 33m
ORD7:18 amChicago O'Hare Intl
Oct 21
ORD8:28 pmChicago O'Hare Intl
1h 35m
SDF11:03 pmLouisville Intl
$164
Find similar
American Airlines
Nov 11
SDF6:50 amLouisville Intl
6h 40m
1 stop
ORD12:30 pmChicago O'Hare Intl
Nov 11
ORD8:25 pmChicago O'Hare Intl
1h 30m
SDF10:55 pmLouisville Intl
$174
Find similar

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 September 15, 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

Sat 11/8

7:00 am-7:40 am

Nonstop1h 40m

Chicago O'Hare Intl

Sun 11/9

6:10 pm-8:44 pm

Nonstop1h 34m

$115

LouisvilleChicago

SDF - ORD

SDFORD

Louisville Intl

Tue 10/14

6:45 am-7:18 am

Nonstop1h 33m

Chicago O'Hare Intl

Fri 10/17

8:21 pm-10:56 pm

Nonstop1h 35m

$134

LouisvilleChicago

SDF - ORD

SDFORD

Louisville Intl

Tue 11/4

9:00 am-9:40 am

Nonstop1h 40m

Chicago O'Hare Intl

Thu 11/6

7:30 am-9:59 am

Nonstop1h 29m

$152

LouisvilleChicago

SDF - ORD

SDFORD

Louisville Intl

Tue 10/14

6:45 am-7:18 am

Nonstop1h 33m

Chicago O'Hare Intl

Tue 10/21

8:28 pm-11:03 pm

Nonstop1h 35m

$164

LouisvilleChicago

SDF - ORD

SDFORD

Louisville Intl

Tue 11/11

6:00 am-10:19 am

1 stop5h 19m

Chicago O'Hare Intl

Tue 11/11

4:21 pm-12:06 am

1 stop6h 45m

$177

LouisvilleChicago

SDF - ORD

SDFORD

Louisville Intl

Tue 11/11

6:00 am-10:19 am

1 stop5h 19m

Chicago O'Hare Intl

Tue 11/11

2:30 pm-12:06 am

2 stops8h 36m

$182

LouisvilleChicago

SDF - ORD

SDFORD

Louisville Intl

Tue 10/14

1:45 pm-9:30 pm

1 stop8h 45m

Chicago O'Hare Intl

Wed 10/15

1:50 pm-9:40 pm

1 stop6h 50m

$189

LouisvilleChicago

SDF - ORD

SDFORD

Louisville Intl

Thu 10/30

6:58 pm-10:50 am

1 stop16h 52m

Chicago O'Hare Intl

Thu 11/6

5:59 pm-9:59 am

1 stop15h 00m

$209

LouisvilleChicago

SDF - ORD

SDFORD

Louisville Intl

Mon 9/29

8:23 am-10:18 am

2 stops26h 55m

Chicago O'Hare Intl

Tue 10/7

7:43 pm-4:36 pm

1 stop19h 53m

$215

LouisvilleChicago

SDF - ORD

SDFORD

Louisville Intl

Mon 10/20

1:20 pm-4:25 pm

1 stop4h 05m

Chicago O'Hare Intl

Wed 10/22

1:50 pm-9:40 pm

1 stop6h 50m

$216

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 $240.

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 $865.

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 $588 when looking at flights departing in the morning. Try not to purchase tickets at noon because they tend to be around $1,060. 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 $288 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 $196 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 September 2025, prices for Louisville to Chicago O'Hare Intl Airport flights are approximately 30% 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

$184

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 $184. The best round-trip flight deal from Louisville to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is $333.
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 33m.

  • 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
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $123Free CancellationRating
7.4
8,929 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 41 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 $298. 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 $261 round-trip. American Airlines operates 22 flights out of Louisville into Chicago O'Hare Intl Airport in an average week, so prices vary by time and availability. 10,000 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
Rockford
Schaumburg
Merrillville
Gurnee
Naperville
Rosemont
Kenosha
New Buffalo
Joliet
Oak Brook
Racine
Hammond
Orland Park
Tinley Park
Elgin
Aurora
Janesville
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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