What airlines fly to Chicago O'Hare Intl Airport?

American Airlines, United Airlines and Contour are the top three most popular airlines that fly to Chicago O'Hare Intl Airport from Louisville according to our data. American Airlines is the first choice among our users, with 54% of people opting to fly with this airline when traveling to Chicago O'Hare Intl Airport. Keep in mind that there are 4 different airlines that fly to Chicago O'Hare Intl Airport on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Louisville Intl to Chicago O'Hare Intl?

United Airlines, American Airlines, and Southwest are the most popular carriers operating from Louisville Intl to Chicago O'Hare Intl

How many flights depart from Louisville to Chicago O'Hare Intl Airport on average per week?

As of July 2025, there are 264 flights per week flying from Louisville to Chicago O'Hare Intl Airport. The most common day of the week flights depart is Wed, with 16% of flights taking off on this day.

How many flights depart from Louisville to Chicago O'Hare Intl Airport on average per day?

The number of flights available between Louisville and Chicago O'Hare Intl Airport is 37 per day as of July 2025. The most frequent departure time is 2:00PM, with 46% of daily flights leaving at noon.

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?

There are 2 operators available for flights from Louisville Intl Airport to Chicago O'Hare Intl Airport as of July 2025.

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.

$46 Cheap Flights from Louisville to Chicago O'Hare Intl Airport in 2025

Q: What is the typical price of a round-trip flight between Louisville and Chicago O'Hare Intl Airport?

Prices are currently low for flights on this route. Typical prices usually range from $241 to $364. The lowest price recently found on this route was $91.

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Find the cheapest flights from Louisville to Chicago

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

6:08 pm - 6:50 pmSDF-ORD

1h 42mnonstop

7:44 pm - 10:24 pmORD-SDF

1h 40mnonstop

$91United Airlines

Find Deal

Mon, Aug 18 - Wed, Aug 20

8:40 am - 9:17 amSDF-ORD

1h 37mnonstop

2:20 pm - 4:51 pmORD-SDF

1h 31mnonstop

$101United Airlines

Find Deal

Wed, Aug 6 - Wed, Aug 13

7:40 am - 8:26 amSDF-ORD

1h 46mnonstop

3:17 pm - 5:43 pmORD-SDF

1h 26mnonstop

$102American Airlines

Find Deal

Sat, Aug 23 - Sat, Aug 30

3:20 pm - 9:30 pmSDF-ORD

7h 10m1 stop

7:30 am - 2:35 pmORD-SDF

6h 05m1 stop

$111Southwest

Find Deal

Tue, Sep 23 - Wed, Sep 24

6:34 am - 7:15 amSDF-ORD

1h 41mnonstop

11:49 am - 2:15 pmORD-SDF

1h 26mnonstop

$116American Airlines

Find Deal

Mon, Aug 4 - Wed, Aug 27

6:08 pm - 6:48 pmSDF-ORD

1h 40mnonstop

3:13 pm - 5:38 pmORD-SDF

1h 25mnonstop

$121American Airlines

Find Deal

Sat, Aug 9 - Fri, Aug 15

5:30 am - 12:45 pmSDF-ORD

8h 15m1 stop

7:30 am - 3:15 pmORD-SDF

6h 45m2 stops

$146Southwest

Find Deal

Mon, Aug 18 - Wed, Aug 20

7:45 pm - 11:56 pmSDF-ORD

5h 11m1 stop

6:10 am - 11:58 amORD-SDF

4h 48m1 stop

$177Delta

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Thu, Aug 14 - Sun, Aug 17

5:53 pm - 12:09 amSDF-ORD

7h 16m1 stop

7:15 am - 2:26 pmORD-SDF

6h 11m2 stops

$182Delta

Find Deal

Mon, Aug 4 - Wed, Aug 27

11:17 am - 5:39 pmSDF-ORD

7h 22m1 stop

6:30 am - 11:35 pmORD-SDF

16h 05m1 stop

$207

Find Deal

Mon, Sep 8 - Tue, Sep 9

Southwest flights from Louisville to Chicago O'Hare Intl Airport

Our best Southwest deals on Louisville to Chicago O'Hare Intl Airport flight tickets

Southwest

Sep 23

SDF3:20 pmLouisville Intl

7h 10m

1 stop

ORD9:30 pmChicago O'Hare Intl

Sep 24

ORD7:30 amChicago O'Hare Intl

6h 05m

1 stop

SDF2:35 pmLouisville Intl

$111

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Southwest

Aug 18

SDF5:30 amLouisville Intl

8h 15m

1 stop

ORD12:45 pmChicago O'Hare Intl

Aug 20

ORD7:30 amChicago O'Hare Intl

6h 45m

2 stops

SDF3:15 pmLouisville Intl

$146

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Southwest

Sep 5

SDF11:50 amLouisville Intl

5h 35m

1 stop

ORD4:25 pmChicago O'Hare Intl

Sep 13

ORD1:30 pmChicago O'Hare Intl

7h 55m

1 stop

SDF10:25 pmLouisville Intl

$157

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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

Aug 23

SDF7:40 amLouisville Intl

1h 46m

ORD8:26 amChicago O'Hare Intl

Aug 30

ORD3:17 pmChicago O'Hare Intl

1h 26m

SDF5:43 pmLouisville Intl

$102

Find similar

American Airlines

Aug 4

SDF6:34 amLouisville Intl

1h 41m

ORD7:15 amChicago O'Hare Intl

Aug 27

ORD11:49 amChicago O'Hare Intl

1h 26m

SDF2:15 pmLouisville Intl

$116

Find similar

American Airlines

Aug 9

SDF6:08 pmLouisville Intl

1h 40m

ORD6:48 pmChicago O'Hare Intl

Aug 15

ORD3:13 pmChicago O'Hare Intl

1h 25m

SDF5:38 pmLouisville Intl

$121

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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

Prices

Airlines

Other information

What is the typical price of a round-trip flight between Louisville and Chicago O'Hare Intl Airport?

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 $235.

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 $547. 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 $826.

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 $550 when looking at flights departing in the morning. Try not to purchase tickets at noon because they tend to be around $1,076. 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 $284 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 $165 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 July 2025, prices for Louisville to Chicago O'Hare Intl Airport flights are approximately 25% 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	$46
Fastest flight time	1h 31m
Direct flights	Every day

The best one-way flight to Chicago O'Hare Intl Airport from Louisville in the past 72 hours is $46. The best round-trip flight deal from Louisville to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is $91.

The fastest flight from Louisville to Chicago O'Hare Intl Airport takes 1h 31m

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?
There are 2 operators available for flights from Louisville Intl Airport to Chicago O'Hare Intl Airport as of July 2025.
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?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Louisville to Chicago O'Hare Intl Airport is Embraer 170 (18.13% of total bookings). The next most popular plane models are Embraer 175 (17.73%), Embraer 175 (Enhanced Winglets) (16.78%), and Canadair (Bombardier) Regional Jet CRJ-550 (11.91%).
What is the most popular airline from Louisville to Chicago O'Hare Intl Airport?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Louisville to Chicago O'Hare Intl Airport is American Airlines (53% of total bookings). The next most popular airline is United Airlines (47%).

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
United Airlines	PriceFrom $101	Free Cancellation	Rating 7.4 8,846 reviews		Search United Airlines flights
American Airlines	PriceFrom $102	Free Cancellation	Rating 7.2 10,000 reviews		Search American 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 31 flights/week on average for this route. A good United Airlines flight deal for Louisville to Chicago O'Hare Intl Airport starts from $101 round-trip, up to an average price of $284. 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 $102, round-trip. It should be noted that an average American Airlines flight deal for this route in this time was higher, at $254 round-trip. American Airlines operates 21 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.

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South Haven

Merrillville

Gurnee

Naperville

Rosemont

Kenosha

New Buffalo

Joliet

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Tinley Park

Hammond

Elgin

Aurora

Orland Park

Janesville

Waukegan

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.

An easier way to manage your Chicago O'Hare Intl Airport trip

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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 10/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Southwest flights from Louisville to Chicago O'Hare Intl Airport

Our best Southwest deals on Louisville to Chicago O'Hare Intl Airport flight tickets

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

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 typical price of a round-trip flight between Louisville and Chicago O'Hare Intl Airport?

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 $235.

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

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

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?

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 July 2025, prices for Louisville to Chicago O'Hare Intl Airport flights are approximately 25% cheaper when compared to flights at the same time last year.

What is the cheapest airline that flies from Louisville Intl to Chicago O'Hare Intl?

United Airlines, American Airlines, and Southwest are the most popular carriers operating from Louisville Intl to Chicago O'Hare Intl

What airlines fly to Chicago O'Hare Intl Airport?

How many flights depart from Louisville to Chicago O'Hare Intl Airport on average per day?

The number of flights available between Louisville and Chicago O'Hare Intl Airport is 37 per day as of July 2025. The most frequent departure time is 2:00PM, with 46% of daily flights leaving at noon.

How many flights depart from Louisville to Chicago O'Hare Intl Airport on average per week?

As of July 2025, there are 264 flights per week flying from Louisville to Chicago O'Hare Intl Airport. The most common day of the week flights depart is Wed, with 16% of flights taking off on this day.

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

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

Fastest flight time

Direct flights

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

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

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?

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

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

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

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

Traveling to a place near Chicago?

Why use momondo?

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

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

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

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

An easier way to manage your Chicago O'Hare Intl Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Chicago

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