What percentage of Louisville to Chicago flights are direct?

In the trailing 90 days, a significant majority of flights from Louisville to Chicago are direct, accounting for 76% of all available options. For travelers who opt for connecting flights, the median number of stopovers is typically 3. This indicates that direct flights are a prevalent and convenient option for this route.

How many hours is the flight from Louisville to Chicago?

The direct flight from Louisville to Chicago typically takes about 1 hour and 40 minutes. This is based on a median direct flight duration of 100 minutes. For flights with one stop, the median duration increases significantly to 5 hours and 25 minutes, or 325 minutes. The air distance between the two cities is approximately 437 kilometers.

How often do cheap flights from Louisville to Chicago come up?

Historically, cheap flights from Louisville to Chicago come up frequently. This route is classified as having frequent deal availability across the trailing 30 days. Travelers can typically find good opportunities for cost-effective travel between these two cities.

Flights From Louisville

To Chicago

Cheap Flights from Louisville to Chicago

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Deals from

Louisville

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Prices updated 5 days ago

402 airlines compared

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Fares are subject to change and may not be available for all dates. (Data last updated Jul 12, 2026.)

Today’s best flight deals from Louisville to Chicago

Explore current cheapest deals departing from Louisville to Chicago

Round trip

Sort by: Cheapest

August 11 - August 13

Cheapest

SDF - Chicago

$157

$176

Round trip

September 3 - September 7

Cheapest

SDF - Chicago

$144

$176

Round trip

September 5 - September 7

Cheapest

SDF - Chicago

$146

$176

Round trip

October 3 - October 7

Cheapest

SDF - Chicago

$154

$176

Round trip

October 5 - October 8

Cheapest

SDF - Chicago

$154

$176

Round trip

September 10 - September 12

SDF - Chicago

$149

$177

Round trip

December 5 - December 7

Best

SDF - Chicago

$296

$177

Round trip

August 5 - August 6

Earliest

SDF - Chicago

$158

$177

Round trip

August 5 - August 8

Earliest

SDF - Chicago

$156

$177

Round trip

August 6 - August 10

SDF - Chicago

$156

$177

Round trip

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Louisville to Chicago: Overview

Insights for flights from Louisville to Chicago

A typical journey from Louisville to Chicago takes about 1h 40m. This duration reflects the median travel time, including both direct and connecting itineraries. Given that almost all itineraries are non-stop, this journey time primarily represents the direct flight duration. For the limited connecting options, the median connecting flight time is significantly longer, at 25h 37m.

For travelers seeking cheap flights from Louisville to Chicago, the fares typically range from $293–$468, with a median of $338. Right now, fares are below the typical level, which can present an opportunity for savings. Currently, 0% of recent fares are classified as a good price.

When is the cheapest time to fly from Louisville to Chicago? The most affordable months to fly are April, with a median fare of $247, and August, with a median fare of $254. December also offers a relatively lower median fare of $313 compared to the overall typical range.

The vast majority of flights on this route are direct flights from Louisville to Chicago, with 76% of recent itineraries being non-stop. This indicates that travelers can often find convenient direct options for their journey. For the remaining itineraries that involve connections, the typical number of stopovers is 3.

The distance between Louisville and Chicago is 437 kilometers, classifying this as a short-haul route. This short distance contributes to the quick flight times and the prevalence of direct flight options available for travelers.

How much is a round trip from Louisville to Chicago

Regular price: $119 - $267

Prices are currently within the regular range.

The regular price range for flights from Louisville to Chicago is $119 to $267. The current lowest deal is $176 with American Airlines for travel from Aug 11-Aug 13.

now $176

Low $119

High $267

The cheapest time to fly from Louisville to Chicago

The cheapest month to fly from SDF to CHI is August, with a median price of $293. The most expensive month is February, with a median price of $671. Prices are generally lower from April to December.

August

Cheapest

Flights from $293

February

Most Expensive

Flights from $671

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from Louisville to Chicago

American Airlines

Last-minute flights going from Louisville to Chicago

Mon, Aug 3

⌛ Last-Minute

SDF - Chicago

Louisville (SDF) - Chicago (MDW)

Deutsche Luft Hansa

$312

$287

One-way

Tue, Aug 4

⌛ Last-Minute

SDF - Chicago

Louisville (SDF) - Chicago (MDW)

$312

$197

One-way

Wed, Aug 5

⌛ Last-Minute

SDF - Chicago

Louisville (SDF) - Chicago (ORD)

$158

$177

One-way

Wed, Aug 5

⌛ Last-Minute

SDF - Chicago

Louisville (SDF) - Chicago (ORD)

$156

$177

One-way

Wed, Aug 5

⌛ Last-Minute

SDF - Chicago

Louisville (SDF) - Chicago (ORD)

$276

$237

One-way

Wed, Aug 5

⌛ Last-Minute

SDF - Chicago

Louisville (SDF) - Chicago (ORD)

$267

$237

One-way

Biggest price drops on these dates for flights from Louisville to Chicago

2 nights

Dec 11 - Dec 13

$471 → $335

29%

3 nights

Jul 25 - Jul 28

$291 → $223

23%

2 nights

Aug 17 - Aug 19

$277 → $213

23%

7 nights

Jul 29 - Aug 5

$274 → $223

19%

Popular Airports to fly from Louisville to Chicago

Louisville - Chicago route insights

💸 Price insights

Recent fares are below the typical level

Recent fares for Louisville to Chicago are below the typical level at $293.

📅 Best time to fly

April, August, and December are historically cheapest

Historically, the cheapest months to fly are April, August, and December, with median prices around $247-$313.

⏱️ Flight duration

Direct flights average 1h 40m

Direct flights from Louisville to Chicago typically average 1 hour 40 minutes.

✈️ Airlines & availability

76% of recent flights are direct

76% of recent flights from Louisville to Chicago are direct, indicating frequent non-stop options.

🏆 Airline highlight

American Airlines offers direct flights

American Airlines is a provider of direct flights on the Louisville to Chicago route.

🎯 Booking tip

Deals appear frequently

Deals on flights from Louisville to Chicago appear frequently, offering good booking opportunities.

Louisville main airports to depart from

Louisville International (SDF)

Cheapest

Louisville International Airport is a convenient option for flights from Louisville to Chicago.

📍 ~9 km from city center (reachable by car)

💸 Flights from ~$176

Chicago main airports to arrive at

O Hare International (ORD)

Cheapest

O'Hare International Airport is a major hub for flights to Chicago, offering many connections.

📍 ~25 km from Chicago city center (reachable by car, train, and bus).

💸 Flights from ~$176

Chicago Midway International (MDW)

Midway International Airport is a convenient option for reaching downtown Chicago and surrounding areas.

📍 ~14 km from Chicago city center (reachable by car, train, and bus).

💸 Flights from ~$177

Chicago Rockford International (RFD)

Rockford International Airport is an alternative for travelers heading to the wider Chicago area.

📍 ~126 km from Chicago city center (reachable by car).

💸 Flights from ~$252

Airports nearby Chicago used as alternative

General Mitchell International (MKE)

General Mitchell International is a major international airport with significant carrier presence and direct flight options.

📍 ~135 km from Chicago (reachable by train or car)

💸 Flights from ~$229

Gerald R. Ford International (GRR)

Cheapest

Gerald R. Ford International offers a robust domestic network with both legacy and low-cost airlines.

📍 ~200 km from Chicago (reachable by car)

💸 Flights from ~$228

Dane County Regional (MSN)

Dane County Regional is a reliable regional hub with efficient operations and good amenities for travelers.

📍 ~200 km from Chicago (reachable by car)

💸 Flights from ~$289

South Bend International (SBN)

South Bend International is the closest alternative airport to the Chicago metro area, with convenient rail access.

📍 ~120 km from Chicago (reachable by train or car)

💸 Flights from ~$252

Fort Wayne International (FWA)

Fort Wayne International offers multiple cabin classes and solid connectivity for eastern domestic destinations.

📍 ~240 km from Chicago (reachable by car)

💸 Flights from ~$276

Business & First Class Flight Deals to Chicago

Elite

Sep 17

Chicago, United States

40% AI deal score

$790

$789

Save $1

From SDF

Elite

Jul 06

Chicago, United States

40% AI deal score

Chicago, United States

30% AI deal score

$1,668

From SDF

Elite

Jul 14

Chicago, United States

30% AI deal score

$1,886

Frequently Asked Questions About Flights to Chicago

Historically, the optimal booking window for flights from Louisville to Chicago is typically 28-59 days prior to departure. During this period, the average price for a ticket is around $302. In contrast, purchasing tickets 0-6 days before departure sees the average price rise to approximately $467. Even booking more than 60 days out tends to be more expensive, with an average price of $355.

Across the trailing quarter, a flight from Louisville to Chicago is considered a good deal if it is priced at or below $293. The median price for this route over the same period was $338. Prices can go significantly higher, with 75% of tickets costing $468 or less. Therefore, aiming for a price below $293 is advisable for a cost-effective trip.

Historically, April and August have been the cheapest months to fly from Louisville to Chicago, with median prices of $247 and $254 respectively. While December also appears among the cheaper months with a median price of $313, it is also noted as the most expensive month on an annual basis. The overall annual median price for this route is $338, indicating that April and August offer notable savings.

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