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Cheap flights from Louisville to Chicago from $39

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 9/23. 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
8:40 am - 9:17 amSDF-ORD
1h 37mnonstop
United Airlines Logo
2:56 pm - 5:27 pmORD-SDF
1h 31mnonstop
$77United Airlines
Find Deal
Tue, Aug 5 - Tue, Aug 5
American Airlines Logo
6:08 pm - 6:48 pmSDF-ORD
1h 40mnonstop
American Airlines Logo
6:49 am - 9:13 amORD-SDF
1h 24mnonstop
$91American Airlines
Find Deal
Mon, Aug 18 - Thu, Aug 21
American Airlines Logo
6:44 am - 7:30 amSDF-ORD
1h 46mnonstop
American Airlines Logo
6:49 am - 9:13 amORD-SDF
1h 24mnonstop
$92American Airlines
Find Deal
Thu, Aug 7 - Mon, Aug 11
Southwest Logo
5:30 am - 11:50 amSDF-ORD
7h 20m1 stop
Southwest Logo
1:50 pm - 7:25 pmORD-SDF
4h 35m1 stop
$97Southwest
Find Deal
Wed, Sep 24 - Thu, Oct 2
United Airlines Logo
7:00 am - 7:37 amSDF-ORD
1h 37mnonstop
United Airlines Logo
7:44 pm - 10:24 pmORD-SDF
1h 40mnonstop
$114United Airlines
Find Deal
Tue, Aug 5 - Mon, Sep 1
Southwest Logo
11:50 am - 4:25 pmSDF-ORD
5h 35m1 stop
Southwest Logo
1:50 pm - 11:30 pmORD-SDF
8h 40m1 stop
$170Southwest
Find Deal
Fri, Sep 26 - Mon, Sep 29
Delta Logo
7:45 pm - 11:56 pmSDF-ORD
5h 11m1 stop
Delta Logo
5:45 am - 11:45 amORD-SDF
5h 00m1 stop
$177Delta
Find Deal
Mon, Aug 18 - Thu, Aug 21
Delta Logo
7:50 am - 12:55 pmSDF-ORD
6h 05m1 stop
Delta Logo
3:54 pm - 11:56 pmORD-SDF
7h 02m1 stop
$199Delta
Find Deal
Tue, Jul 1 - Fri, Jul 4
Spirit Airlines Logo
1:57 pm - 9:38 amSDF-ORD
20h 41m1 stop
Spirit Airlines Logo
5:15 am - 12:13 pmORD-SDF
5h 58m1 stop
$234Spirit Airlines
Find Deal
Mon, Jun 30 - Thu, Jul 3
Spirit Airlines Logo
7:40 pm - 6:03 amSDF-ORD
11h 23m1 stop
Spirit Airlines Logo
10:00 am - 5:58 pmORD-SDF
6h 58m1 stop
$239Spirit Airlines
Find Deal
Tue, Jul 8 - Thu, Jul 10

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
Aug 5
SDF8:40 amLouisville Intl
1h 37m
ORD9:17 amChicago O'Hare Intl
Aug 5
ORD2:56 pmChicago O'Hare Intl
1h 31m
SDF5:27 pmLouisville Intl
United Airlines
Aug 5
SDF7:00 amLouisville Intl
1h 37m
ORD7:37 amChicago O'Hare Intl
Sep 1
ORD7:44 pmChicago O'Hare Intl
1h 40m
SDF10:24 pmLouisville Intl
United Airlines
Aug 28
SDF7:00 amLouisville Intl
1h 38m
ORD7:38 amChicago O'Hare Intl
Oct 23
ORD7:25 amChicago O'Hare Intl
1h 36m
SDF10:01 amLouisville Intl

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 24
SDF5:30 amLouisville Intl
7h 20m
1 stop
ORD11:50 amChicago O'Hare Intl
Oct 2
ORD1:50 pmChicago O'Hare Intl
4h 35m
1 stop
SDF7:25 pmLouisville Intl
Southwest
Sep 26
SDF11:50 amLouisville Intl
5h 35m
1 stop
ORD4:25 pmChicago O'Hare Intl
Sep 29
ORD1:50 pmChicago O'Hare Intl
8h 40m
1 stop
SDF11:30 pmLouisville Intl
Southwest
Aug 14
SDF5:30 amLouisville Intl
8h 15m
1 stop
ORD12:45 pmChicago O'Hare Intl
Aug 16
ORD1:30 pmChicago O'Hare Intl
7h 55m
1 stop
SDF10:25 pmLouisville Intl

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 $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 $532. 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 $829.

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 $544 when looking at flights departing in the morning. Try not to purchase tickets at noon because they tend to be around $1,090. 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 $285 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 June 2025, prices for Louisville to Chicago O'Hare Intl Airport flights are approximately 23% more expensive 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

$39

Fastest flight time

1h 30m

Direct flights

Every day
The best one-way flight to Chicago O'Hare Intl Airport from Louisville in the past 72 hours is $39. The best round-trip flight deal from Louisville to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is $77.
The fastest flight from Louisville to Chicago O'Hare Intl Airport takes 1h 30m
Direct flights go from Louisville to Chicago O'Hare Intl Airport every day.

  • 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
United AirlinesPriceFrom $105Free CancellationRating
7.4
8,810 reviews
Search United Airlines flights
American AirlinesPriceFrom $111Free CancellationRating
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 33 flights/week on average for this route. A good United Airlines flight deal for Louisville to Chicago O'Hare Intl Airport starts from $105 round-trip, up to an average price of $289. 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 $111, round-trip. It should be noted that an average American Airlines flight deal for this route in this time was higher, at $259 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.


Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Lake Geneva
Rockford
Schaumburg
Merrillville
Gurnee
Naperville
Rosemont
South Haven
Kenosha
Joliet
New Buffalo
Oak Brook
Racine
Elgin
Hammond
Tinley Park
Aurora
Orland Park
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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1 adult
Mon 6/23
Mon 6/30

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