Find Cheap Flights from Chicago to Louisville (CHI - SDF)

Flights overview

Useful information for finding cheap flights from Chicago to Louisville and booking your next trip

Cheapest round-trip flights	$295	Southwest Nonstop 2 hr Fri, Jul 3 — Sun, Jul 5	The cheapest round-trip flight from Chicago to Louisville is currently $295
Cheapest one-way flight	$138	Southwest Nonstop 2 hr Wed, Jul 1	The cheapest one-way flight from Chicago to Louisville is currently $138
Last-minute weekend getaway	$378	American 1 stop 13 hr Sat, May 9 — Sun, May 10	The cheapest last-minute weekend getaway from Chicago to Louisville is currently $378
Cheapest business class flights	$467	American Nonstop 2 hr Fri, Jul 3 — Sun, Jul 5	The cheapest business class round-trip flight from Chicago to Louisville is currently $467

Fastest flight	1 hr 10 min	The fastest nonstop flight from Chicago to Louisville takes 1 hr 10 min
Nonstop flights	Every day	There are direct flights on this route every day.

When is the cheapest time to fly?

The cheapest month to fly from Chicago to Louisville is typically August. The most expensive month to fly is typically May.

August Cheapest	Typical prices: $110–480
May Most expensive	Typical prices: $275–445

Popular airlines from Chicago to Louisville

United

Nonstop

from $295

Typical price: $180–495

61 weekly nonstop flights

ORD - SDF Every day

285 weekly connecting flights

ORD - SDF Every day
Southwest

Nonstop

from $295

Typical price: $180–480

20 weekly nonstop flights

MDW - SDF Every day

1632 weekly connecting flights

MDW, ORD - SDF Every day
American

Nonstop

from $295

Typical price: $190–485

32 weekly nonstop flights

ORD - SDF Every day

471 weekly connecting flights

ORD - SDF Every day
Delta

from $315

Typical price: $235–550

919 weekly connecting flights

MDW, ORD - SDF Every day

Popular airports near Chicago

Chicago O'Hare International Airport (ORD)

Chicago United States 26 min 16 mi
Chicago Midway International Airport (MDW)

Chicago United States 25 min 9 mi
Milwaukee Mitchell International Airport (MKE)

Milwaukee United States 1 hr 23 min 75 mi
Indianapolis International Airport (IND)

Indianapolis United States 2 hr 58 min 165 mi

Popular airports near Louisville

Louisville Muhammad Ali International Airport (SDF)

Louisville United States 21 min 5 mi
Nashville International Airport (BNA)

Nashville United States 2 hr 47 min 155 mi
Cincinnati/Northern Kentucky International Airport (CVG)

Cincinnati United States 1 hr 32 min 81 mi
Indianapolis International Airport (IND)

Indianapolis United States 1 hr 54 min 105 mi

Frequently asked questions about flying from Chicago to Louisville

The cheapest flights from Chicago to Louisville are usually in August. Typical ticket prices in August range from $110 to $480.

The cheapest round-trip flight from Chicago to Louisville recently found on Google Flights was with Southwest from $295. The cheapest one-way flight was with Southwest from $138.

Some of the cheapest round-trip deals we found with different airlines:

The cheapest United flight from Chicago to Louisville is $295, flying from Jul 4 to Jul 5.
The cheapest Southwest flight from Chicago to Louisville is $295, flying from Jul 3 to Jul 5.
The cheapest American flight from Chicago to Louisville is $295, flying from Jul 3 to Jul 5.
The cheapest Delta flight from Chicago to Louisville is $315, flying from Jul 3 to Jul 5.

The cheapest round-trip flight from Chicago to Louisville starts at $295 from Fri, Jul 3 to Sun, Jul 5. The cheapest one-way flight starts at $138 and departs on Wed, Jul 1.

1 hr 10 min is the shortest flight time from Chicago to Louisville.

Peak travel is Mar–Aug & Oct. The Kentucky Derby Festival (Apr) includes a parade, marathon, and large fireworks display. The horserace itself is on the first weekend in May. Kentucky Shakespeare (Jun–Aug) is a series of free outdoor Shakespeare performances in Central Park. The Kentucky State Fair (Aug) is a livestock show with live music and fairground attractions. There's live music and local craft whiskey at the Kentucky Bluegrass and Bourbon Experience (Sep). Winter (Dec–Feb) is cool with rain and occasional snow.

It's easy to use Google Flights to find the cheapest days to fly from Chicago to Louisville.
Just click the Departure label near the top of the page to open the calendar. Choose a start date and a return date to see how the round-trip fare changes on those specific days.
Adjust the trip type to see one-way fares. The cheapest available flights are highlighted and easy to spot. Once you settle on dates, click the Search button to see flight options and book the deal.

You can also turn on price tracking to get alerts if the price changes for a route or flight.

What counts as the best airline for your flights from Chicago to Louisville really depends on your individual needs. You may have a favorite carrier or a loyalty program you like, but price, convenience, and airports served also come into play. Flexibility and booking terms – Can you change flights if you want to stay longer or get a refund if you have to postpone your trip? – are also factors that help determine which airline is best to fly from Chicago to Louisville.

In terms of nonstop flights, United is the most popular. United offers 61 nonstop flights and 285 connecting flights per week. United flies from Chicago O'Hare International Airport (ORD) to Louisville Muhammad Ali International Airport (SDF) .

In terms of flights, Southwest is the most popular. Southwest offers 20 nonstop flights and 1,632 connecting flights per week. Southwest flies from Chicago Midway International Airport (MDW) , Chicago O'Hare International Airport (ORD) to Louisville Muhammad Ali International Airport (SDF) .

Other popular airlines flying from Chicago to Louisville are:

American offers 32 nonstop flights and 471 connecting flights per week. American flies from Chicago O'Hare International Airport (ORD) to Louisville Muhammad Ali International Airport (SDF) .
Delta offers 919 connecting flights per week. Delta flies from Chicago Midway International Airport (MDW) , Chicago O'Hare International Airport (ORD) to Louisville Muhammad Ali International Airport (SDF) .

The number of connecting flights refers to distinct flights with at least one stop between Chicago and Louisville.

The cheapest round-trip flight from Chicago to Louisville recently found on Google Flights was with Southwest from $295. The cheapest one-way flight was with Southwest from $138.

Some of the cheapest round-trip deals we found with different airlines:

The cheapest United flight from Chicago to Louisville is $295, flying from Jul 4 to Jul 5.
The cheapest Southwest flight from Chicago to Louisville is $295, flying from Jul 3 to Jul 5.
The cheapest American flight from Chicago to Louisville is $295, flying from Jul 3 to Jul 5.
The cheapest Delta flight from Chicago to Louisville is $315, flying from Jul 3 to Jul 5.

Southwest, United and American fly direct from Chicago to Louisville.

There are 61 United direct flights from Chicago to Louisville per week. Flights are available every day.
There are 20 Southwest direct flights from Chicago to Louisville per week. Flights are available every day.
There are 32 American direct flights from Chicago to Louisville per week. Flights are available every day.

Use the Stops filter while searching for flights, to see only nonstop options in your results.

The cheapest last-minute deal between Chicago and Louisville at price $378 is offered by American from Sat, May 9 to Sun, May 10.

Southwest, United and American fly direct from Chicago to Louisville.

There are 61 United direct flights from Chicago to Louisville per week. Flights are available every day.
There are 20 Southwest direct flights from Chicago to Louisville per week. Flights are available every day.
There are 32 American direct flights from Chicago to Louisville per week. Flights are available every day.

Use the Stops filter while searching for flights, to see only nonstop options in your results.

There are direct flights from Chicago to Louisville on a daily basis.

The cheapest direct (nonstop) round-trip flights between Chicago and Louisville start at $295 from Fri, Jul 3 to Sun, Jul 5 with Southwest.

It's easy to find nonstop flights with Google Flights! Once you've searched for flights from Chicago to Louisville, just select the nonstop flights only option in the 'Stops’ filter in the search form and view all available direct flights and their prices.

The cheapest business class round-trip flights between Chicago and Louisville start at $467 from Fri, Jul 3 to Sun, Jul 5 with American.

The cheapest economy class round-trip flights between Chicago and Louisville start at $295 from Fri, Jul 3 to Sun, Jul 5.

To book business class trips from Chicago to Louisville, look for the default Economy selection at the top, and change it to your desired cabin class such as Premium Economy, Business Class, or First Class. You can then select your departure and arrival dates, consider available options, and book your business travel.

You can also adjust the trip type to view one-way fares.

The best last-minute getaway deal for the next weekend between Chicago and Louisville starts at $378 from Sat, May 9 to Sun, May 10 with American.

The cheapest last-minute deal between Chicago and Louisville at price $378 is offered by American from Sat, May 9 to Sun, May 10.

To find last-minute flight deals from Chicago to Louisville, start by entering the city names, select the desired departure and return dates, and hit the Search button to view flight options.

You can check for last-minute flights for the same day or adjust the trip type to see one-way fares.