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Cheap flights from Chicago to Louisville from $109

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to Louisville departing on 9/6. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Chicago to Louisville

Cheap round-trip flights

Enter your travel dates to find the best prices.
Southwest Logo
7:50 am - 10:10 amMDW  Chicago Midway-SDF Louisville Intl
1h 20mnonstop
Southwest Logo
10:00 am - 10:10 amSDF  Louisville Intl-MDW Chicago Midway
1h 10mnonstop
$217Southwest
Sat, Sep 5 - Sun, Sep 6
Southwest Logo
7:50 am - 10:10 amMDW  Chicago Midway-SDF Louisville Intl
1h 20mnonstop
Southwest Logo
7:10 pm - 7:25 pmSDF  Louisville Intl-MDW Chicago Midway
1h 15mnonstop
$217Southwest
Sat, Sep 5 - Sun, Sep 6
United Airlines Logo
6:56 am - 9:38 amORD  Chicago O'Hare Intl-SDF Louisville Intl
1h 42mnonstop
United Airlines Logo
7:10 am - 7:50 amSDF  Louisville Intl-ORD Chicago O'Hare Intl
1h 40mnonstop
$217United Airlines
Sat, Sep 5 - Sun, Sep 6
United Airlines Logo
5:59 pm - 8:36 pmORD  Chicago O'Hare Intl-SDF Louisville Intl
1h 37mnonstop
United Airlines Logo
9:00 am - 9:41 amSDF  Louisville Intl-ORD Chicago O'Hare Intl
1h 41mnonstop
$217United Airlines
Sat, Sep 5 - Sun, Sep 6
American Airlines Logo
3:59 pm - 6:35 pmORD  Chicago O'Hare Intl-SDF Louisville Intl
1h 36mnonstop
American Airlines Logo
6:28 am - 7:15 amSDF  Louisville Intl-ORD Chicago O'Hare Intl
1h 47mnonstop
$217American Airlines
Sat, Sep 5 - Sun, Sep 6
American Airlines Logo
7:15 am - 9:45 amORD  Chicago O'Hare Intl-SDF Louisville Intl
1h 30mnonstop
American Airlines Logo
6:45 pm - 7:39 pmSDF  Louisville Intl-ORD Chicago O'Hare Intl
1h 54mnonstop
$217American Airlines
Sat, Sep 5 - Sun, Sep 6
American Airlines Logo
7:15 am - 9:45 amORD  Chicago O'Hare Intl-SDF Louisville Intl
1h 30mnonstop
American Airlines Logo
6:45 pm - 7:39 pmSDF  Louisville Intl-ORD Chicago O'Hare Intl
1h 54mnonstop
$218American Airlines
Sat, Sep 5 - Sun, Sep 6
Southwest Logo
11:15 am - 5:20 pmMDW  Chicago Midway-SDF Louisville Intl
5h 05m1 stop Nashville Intl
Southwest Logo
7:10 pm - 7:25 pmSDF  Louisville Intl-MDW Chicago Midway
1h 15mnonstop
$227Southwest
Sat, Sep 5 - Sun, Sep 6
Delta Logo
9:24 am - 4:41 pmMDW  Chicago Midway-SDF Louisville Intl
6h 17m1 stop Detroit Metropolitan Wayne County
Delta Logo
6:00 am - 10:10 amSDF  Louisville Intl-MDW Chicago Midway
5h 10m1 stop Atlanta Hartsfield-Jackson
$237Delta
Sat, Sep 5 - Sun, Sep 6
Delta Logo
9:24 am - 4:41 pmMDW  Chicago Midway-SDF Louisville Intl
6h 17m1 stop Detroit Metropolitan Wayne County
Delta Logo
12:35 pm - 3:57 pmSDF  Louisville Intl-MDW Chicago Midway
4h 22m1 stop Minneapolis St Paul
$237Delta
Sat, Sep 5 - Sun, Sep 6

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Delta flights from Chicago to Louisville

Our best Delta deals on Chicago to Louisville flight tickets
Delta
Sep 5
ORD5:30 amChicago O'Hare Intl
4h 02m
1 stop
SDF10:32 amLouisville Intl
Sep 6
SDF3:25 pmLouisville Intl
6h 30m
1 stop
ORD8:55 pmChicago O'Hare Intl
$237
Delta
Sep 6
ORD5:30 amChicago O'Hare Intl
4h 02m
1 stop
SDF10:32 amLouisville Intl
Sep 9
SDF11:04 amLouisville Intl
4h 25m
1 stop
ORD2:29 pmChicago O'Hare Intl
$246
Delta
Sep 29
MDW9:29 amChicago Midway
3h 38m
1 stop
SDF2:07 pmLouisville Intl
Oct 7
SDF5:59 pmLouisville Intl
5h 34m
1 stop
MDW10:33 pmChicago Midway
$255

United Airlines flights from Chicago to Louisville

Our best United Airlines deals on Chicago to Louisville flight tickets
United Airlines
Sep 5
ORD6:56 amChicago O'Hare Intl
1h 42m
SDF9:38 amLouisville Intl
Sep 6
SDF7:10 amLouisville Intl
1h 40m
ORD7:50 amChicago O'Hare Intl
$217
United Airlines
Sep 6
ORD5:59 pmChicago O'Hare Intl
1h 37m
SDF8:36 pmLouisville Intl
Sep 9
SDF1:50 pmLouisville Intl
1h 42m
ORD2:32 pmChicago O'Hare Intl
$226
United Airlines
Aug 31
ORD5:59 pmChicago O'Hare Intl
1h 37m
SDF8:36 pmLouisville Intl
Sep 7
SDF7:10 amLouisville Intl
1h 40m
ORD7:50 amChicago O'Hare Intl
$235

momondo Fare Finder

 
Customize your flight search to find flights from Chicago to Louisville 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 August 6, 2026.
Use the filters below to find and compare flights from Chicago to Louisville that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

ChicagoLouisville

MDW Chicago Midway - SDF Louisville Intl

MDWSDF

Chicago Midway

Sat 9/5

7:50 am-10:10 am

Nonstop1h 20m

Louisville Intl

Sun 9/6

10:00 am-10:10 am

Nonstop1h 10m

$217

ChicagoLouisville

MDW Chicago Midway - SDF Louisville Intl

MDWSDF

Chicago Midway

Sat 9/5

7:50 am-10:10 am

Nonstop1h 20m

Louisville Intl

Sun 9/6

7:10 pm-7:25 pm

Nonstop1h 15m

$217

ChicagoLouisville

ORD Chicago O'Hare Intl - SDF Louisville Intl

ORDSDF

Chicago O'Hare Intl

Sat 9/5

6:56 am-9:38 am

Nonstop1h 42m

Louisville Intl

Sun 9/6

7:10 am-7:50 am

Nonstop1h 40m

$217

ChicagoLouisville

ORD Chicago O'Hare Intl - SDF Louisville Intl

ORDSDF

Chicago O'Hare Intl

Sat 9/5

5:59 pm-8:36 pm

Nonstop1h 37m

Louisville Intl

Sun 9/6

9:00 am-9:41 am

Nonstop1h 41m

$217

ChicagoLouisville

ORD Chicago O'Hare Intl - SDF Louisville Intl

ORDSDF

Chicago O'Hare Intl

Sat 9/5

3:59 pm-6:35 pm

Nonstop1h 36m

Louisville Intl

Sun 9/6

6:28 am-7:15 am

Nonstop1h 47m

$217

ChicagoLouisville

ORD Chicago O'Hare Intl - SDF Louisville Intl

ORDSDF

Chicago O'Hare Intl

Sat 9/5

7:15 am-9:45 am

Nonstop1h 30m

Louisville Intl

Sun 9/6

6:45 pm-7:39 pm

Nonstop1h 54m

$217

ChicagoLouisville

ORD Chicago O'Hare Intl - SDF Louisville Intl

ORDSDF

Chicago O'Hare Intl

Sat 9/5

7:15 am-9:45 am

Nonstop1h 30m

Louisville Intl

Sun 9/6

6:45 pm-7:39 pm

Nonstop1h 54m

$218

ChicagoLouisville

MDW Chicago Midway - SDF Louisville Intl

MDWSDF

Chicago Midway

Sat 9/5

11:15 am-5:20 pm

1 stop5h 05m

Louisville Intl

Sun 9/6

7:10 pm-7:25 pm

Nonstop1h 15m

$227

ChicagoLouisville

MDW Chicago Midway - SDF Louisville Intl

MDWSDF

Chicago Midway

Sat 9/5

9:24 am-4:41 pm

1 stop6h 17m

Louisville Intl

Sun 9/6

6:00 am-10:10 am

1 stop5h 10m

$237

ChicagoLouisville

MDW Chicago Midway - SDF Louisville Intl

MDWSDF

Chicago Midway

Sat 9/5

9:24 am-4:41 pm

1 stop6h 17m

Louisville Intl

Sun 9/6

12:35 pm-3:57 pm

1 stop4h 22m

$237

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 Louisville from

How to get the cheapest flight ticket from Chicago to Louisville

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 Chicago and Louisville?

Prices are currently low for flights on this route.

Typical prices usually range from $266 to $470.
The lowest price recently found on this route was $217.

What is the cheapest month to fly to Louisville?

If you are unable to visit Louisville during the month of December, then departing from Chicago during the month November is also very affordable. Most momondo users find prices during this month for around $273.

What is the cheapest day to depart on your flight to Louisville?

On average, the least expensive day to fly to Louisville from Chicago is on a Thursday. momondo users have found tickets for Thursday departures for as low as $301. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from Chicago to Louisville on a Monday will generally be more expensive and average around $511. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Louisville?

Our data shows that the cheapest Chicago to Louisville flights are usually those with departure times in the morning. Our users have found flights to Louisville in the morning for as low as $350. In the afternoon is when there is more demand to fly to Louisville, so prices are often more expensive at around $478 per ticket.

What is the cheapest Chicago to Louisville Intl flight route?

Fly from Chicago Midway to Louisville Intl for the best Chicago - Louisville Intl flight prices

How far in advance should I book a flight from Chicago to Louisville?

You are more likely to see cheaper flights to Louisville from Chicago when booking weeks ahead of your departure date. In general, you can expect to find flights to Louisville for around $379 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Louisville from Chicago for as low as $228 on momondo.

What cabin class options are available on Chicago to Louisville flights?

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

How have Chicago to Louisville flight prices changed over time?

As of August 2026, prices for Chicago to Louisville flights are approximately 34% more expensive when compared to flights at the same time last year.

When to book flights from Chicago to Louisville

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

Cheap Chicago to Louisville (CHI to SDF) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago to Louisville

Best Price Found

$179

Fastest flight time

1h 15m

Direct flights

Every day

Airports in Louisville

1 airport
The best one-way flight to Louisville from Chicago in the past 72 hours is $179. The best round-trip flight deal from Chicago to Louisville found on momondo in the last 72 hours is $291.
The fastest flight from Chicago to Louisville takes 1h 15m
Direct flights go from Chicago to Louisville every day.
There is 1 airport in Louisville. From Chicago there are direct flights to Louisville Intl (SDF).
Search flight deals

Frequently asked questions about flying from Chicago to Louisville

  • How far is Chicago to Louisville Intl by plane?

    Chicago and Louisville Intl are 269.2 mi apart from one another. By plane, this route typically takes 1h 15m.

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

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

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Chicago to Louisville Intl Airport.

  • What documentation or ID do you need to fly to Louisville Intl Airport?

    The travel and health documents you'll need for your trip to Louisville Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Louisville Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Chicago to Louisville?

  • What is the most popular airline from Chicago to Louisville?

Best airlines flying from Chicago to Louisville

Compare and see reviews for airlines that fly from Chicago to Louisville with momondo
Airline
Rating
Free Cancellation
Price
SouthwestPriceFrom $129Free CancellationRating
8.0
4,218 reviews
Search Southwest flights
United AirlinesPriceFrom $137Free CancellationRating
7.4
10,073 reviews
Search United Airlines flights
American AirlinesPriceFrom $139Free CancellationRating
7.1
11,866 reviews
Search American Airlines flights

  • Southwest Flights From Chicago to Louisville

    Southwest flies from Chicago to Louisville around 6 times per week, with 4,218 momondo users rating the airline 8.0/10. The cheapest Southwest deal from Chicago to Louisville in the last 72 hours was $129 (round-trip), much lower than the average airfare cost of $360 for Southwest flights on this route.

  • United Airlines Flights From Chicago to Louisville

    United Airlines is also a popular choice for this route. United Airlines flight deals for Chicago to Louisville start from as low as $137 round-trip, depending on your selected dates, with average United Airlines deals seen on momondo around $463. United Airlines operates 29 flights to Louisville from Chicago in an average week. Users have rated it 7.4/10 across 10,073 reviews.

Traveling to a place near Louisville?

Book flights to Louisville if you plan to visit one of these locations
French Lick
Elizabethtown
Jeffersonville
West Baden Springs
Bardstown
New Albany
Shepherdsville
Elizabeth
Charlestown
Corydon
Brandenburg
Georgetown
Springfield

Why use momondo?

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

It is quick and easy to find Chicago to Louisville flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Louisville that suits you.

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

All flight searches from Chicago to Louisville on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search for Chicago to Louisville 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 Chicago to Louisville right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Louisville from Chicago. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Louisville trip

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