HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Illinois

$69+ Cheap flights from Louisville (SDF) to Illinois

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/24. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — ORD
Nov 25 — Dec 21
Mon 11/25
Mon 12/2
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Louisville to Illinois with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Louisville to Illinois

Discover tips and strategies to find the most affordable flight options for your journey from Louisville (SDF) to Illinois (USIL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 20, 2024.

Find flight deals from Louisville to Illinois

Cheapest flights from Louisville to Illinois
Explore the most affordable flight options available from Louisville to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 20, 2024.

This American Airlines deal was found by Cheapflights users on 11/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/94:00 pmSDF - ORD
Nonstop1h 34mAmerican Airlines
Tue 12/107:05 pmORD - SDF
Nonstop1h 30mAmerican Airlines
Deal found 11/18$152
This Delta deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/148:11 pmSDF - ORD
1 stop4h 47mDelta
Tue 12/177:05 amORD - SDF
1 stop5h 44mDelta
Deal found 11/19$176
This Delta deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/147:35 amSDF - MDW
2 stops11h 57mDelta
Tue 12/176:00 amMDW - SDF
1 stop4h 44mDelta
Deal found 11/19$181
This Southwest deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/187:25 amSDF - MDW
Nonstop1h 20mSouthwest
Thu 12/1912:35 pmMDW - SDF
1 stop9h 05mSouthwest
Deal found 11/20$192
This United Airlines deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/182:00 pmSDF - ORD
Nonstop1h 37mUnited Airlines
Thu 12/197:30 amORD - SDF
Nonstop1h 39mUnited Airlines
Deal found 11/20$202
This Mytrip deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/99:53 pmSDF - ORD
1 stop12h 44mSpirit Airlines
Fri 12/1311:45 amORD - SDF
1 stop8h 13mSpirit Airlines
Deal found 11/19$231
This Spirit Airlines deal was found by Cheapflights users on 11/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Spirit Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/99:53 pmSDF - STL
1 stop18h 28mSpirit Airlines
Tue 12/174:26 pmSTL - SDF
1 stop25h 33mSpirit Airlines
Deal found 11/18$236
This Mytrip deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/69:11 amSDF - ORD
1 stop15h 00mMultiple Airlines
Mon 12/165:00 amORD - SDF
1 stop14h 58mMultiple Airlines
Deal found 11/20$241
This Delta deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2212:56 pmSDF - MLI
1 stop4h 30mDelta
Fri 12/65:02 pmMLI - SDF
1 stop4h 34mDelta
Deal found 11/19$263
This American Airlines deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/136:40 amSDF - STL
1 stop4h 05mAmerican Airlines
Mon 12/165:05 amSTL - SDF
1 stop5h 32mAmerican Airlines
Deal found 11/19$278
This United Airlines deal was found by Cheapflights users on 11/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/47:00 amSDF - MLI
1 stop4h 22mUnited Airlines
Sun 12/83:55 pmMLI - SDF
1 stop3h 31mUnited Airlines
Deal found 11/18$298
This American Airlines deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2211:08 amSDF - MLI
2 stops7h 40mAmerican Airlines
Fri 12/66:10 pmMLI - SDF
1 stop5h 22mAmerican Airlines
Deal found 11/19$343

Find flights from Louisville to Illinois within your budget

Customize your flight search to find flights from Louisville to Illinois 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, Cheapflights users made 2,629,791 searches. Data last updated November 20, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

LouisvilleChicago

SDF - ORD

SDFORD

Louisville Intl

Fri 12/13

7:00 am-7:41 am

Nonstop1h 41m

Chicago O'Hare Intl

Mon 12/16

7:50 pm-10:26 pm

Nonstop1h 36m

$147

LouisvilleChicago

SDF - MDW

SDFMDW

Louisville Intl

Fri 1/17

7:15 pm-7:30 pm

Nonstop1h 15m

Chicago Midway

Mon 1/20

10:00 am-12:15 pm

Nonstop1h 15m

$148

LouisvilleChicago

SDF - ORD

SDFORD

Louisville Intl

Mon 12/9

4:00 pm-4:34 pm

Nonstop1h 34m

Chicago O'Hare Intl

Tue 12/10

7:05 pm-9:35 pm

Nonstop1h 30m

$152

LouisvilleChicago

SDF - ORD

SDFORD

Louisville Intl

Wed 12/11

10:50 am-4:30 pm

1 stop6h 40m

Chicago O'Hare Intl

Thu 12/12

7:05 am-1:49 pm

1 stop5h 44m

$174

LouisvilleChicago

SDF - MDW

SDFMDW

Louisville Intl

Wed 12/11

1:50 pm-6:32 pm

1 stop5h 42m

Chicago Midway

Thu 12/12

6:00 am-11:44 am

1 stop4h 44m

$179

LouisvilleChicago

SDF - ORD

SDFORD

Louisville Intl

Sun 1/12

6:05 am-10:20 pm

3 stops17h 15m

Chicago O'Hare Intl

Fri 1/17

4:00 pm-11:25 pm

1 stop6h 25m

$220

LouisvilleMoline

SDF - MLI

SDFMLI

Louisville Intl

Thu 1/23

6:00 pm-10:22 pm

1 stop5h 22m

Moline Quad-City

Sat 2/1

4:33 pm-10:05 pm

1 stop4h 32m

$228

LouisvilleChicago

SDF - ORD

SDFORD

Louisville Intl

Mon 12/9

9:53 pm-9:37 am

1 stop12h 44m

Chicago O'Hare Intl

Fri 12/13

11:45 am-8:58 pm

1 stop8h 13m

$231

LouisvilleSt. Louis

SDF - STL

SDFSTL

Louisville Intl

Mon 12/9

9:53 pm-3:21 pm

1 stop18h 28m

Lambert-St Louis

Tue 12/17

4:26 pm-6:59 pm

1 stop25h 33m

$236

LouisvilleChicago

SDF - ORD

SDFORD

Louisville Intl

Fri 12/6

9:11 am-11:11 pm

1 stop15h 00m

Chicago O'Hare Intl

Mon 12/16

5:00 am-8:58 pm

1 stop14h 58m

$241

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

Showing 1-10 of 31 results
1
2
3
4

Best time to book a flight from Louisville to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Louisville with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Louisville to Illinois

Get recent, data-driven insights about flights from Louisville to Illinois including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Louisville to Illinois?

Currently, September is the cheapest month in which you can book a flight from Louisville to Illinois (average of $232). Flying from Louisville to Illinois in June is currently the most expensive (average of $308). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SDF to IL?

Find hourly flight availability from Louisville to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 20, 2024.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Louisville to Illinois as you normally would.

Weekly flight availability from Louisville to Illinois

Explore weekly flight availability from Louisville to Illinois. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated November 20, 2024.

The most flights from SDF to USIL are scheduled on a Wednesday (35 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (16 on average).

Rainfall in Illinois by month

Plan your trip to Illinois by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Illinois ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.

Temperature in Illinois by month

Plan your trip to Illinois by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Illinois, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Illinois. Reviews last updated November 20, 2024.
Get a feel of what it's like to fly with American Airlines, Spirit Airlines and Delta from Louisville to Illinois by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
5,014 reviews

Crew

8.7

Comfort

8.1

Overall

8.1

Boarding

8.2

Entertainment

7.7

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Southwest
8.1
Very good
5,014 reviews
Southwest
8.1
Very good
5,014 reviews

Crew

8.7

Comfort

8.1

Overall

8.1

Boarding

8.2

Entertainment

7.7

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Delta
8.0
Very good
8,756 reviews
Southwest
8.1
Very good
5,014 reviews

Crew

8.7

Comfort

8.1

Overall

8.1

Boarding

8.2

Entertainment

7.7

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

United Airlines
7.4
Good
9,171 reviews
Southwest
8.1
Very good
5,014 reviews

Crew

8.7

Comfort

8.1

Overall

8.1

Boarding

8.2

Entertainment

7.7

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

WestJet
7.3
Good
2,811 reviews
Southwest
8.1
Very good
5,014 reviews

Crew

8.7

Comfort

8.1

Overall

8.1

Boarding

8.2

Entertainment

7.7

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
5,014 reviews

Crew

8.7

Comfort

8.1

Overall

8.1

Boarding

8.2

Entertainment

7.7

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Related info for your journey

Find useful and relevant information for your journey from Louisville to Illinois. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Louisville to Illinois?

    Most people fly from Louisville Intl (SDF) if they book a flight from Louisville to Illinois. Louisville Intl is conveniently located just 5.3 mi from Louisville’s city center.

  • What are the cheapest airlines to fly from Louisville to Illinois one-way?

    For one-way options, check prices for United Airlines. According to our data, you can fly for as low as $69. Users have also found prices from $69 and $88 on Southwest and Delta, respectively.

  • What are the most popular routes from Louisville to Illinois?

    While some choose either Louisville Intl - Chicago Midway or Louisville Intl - Lambert-St Louis, Louisville Intl - Chicago O'Hare Intl is the most popular route from Louisville to Illinois.

  • What are the most reliable airlines from Louisville to Illinois?

    No one likes to see their flight delayed. When booking a flight from Louisville to Illinois consider choosing Envoy Air (95%), Qatar Airways (89%) or ANA (89%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Louisville to Illinois?

    Looking at all options, your cheapest flight can be booked for $111. While the most popular route (Louisville Intl - Chicago O'Hare Intl) can be booked for $137 on average our data indicates $954 when flying from Louisville to Illinois.

  • Can I find deals for flights from Louisville to Illinois that include hotel bookings?

    Yes. In addition to deals on Louisville to Illinois flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Louisville to Illinois?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Louisville to Illinois.

  • Can I find deals for business class flights from Louisville to Illinois?

    Yes. Cheapflights offers flight deals from Louisville to Illinois by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Louisville to Illinois?

    Currently, September is the cheapest month in which you can book a flight from Louisville to Illinois (average of $232). Flying from Louisville to Illinois in June is currently the most expensive (average of $308). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Louisville to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
Cincinnati to John F Kennedy Intl flights
Cincinnati to Orlando flights
Nashville to LaGuardia flights
Nashville to John F Kennedy Intl flights
Cincinnati to LaGuardia flights
Cincinnati to Denver flights
Cincinnati to Dallas/Fort Worth flights
Cincinnati to Las Vegas flights
Cincinnati to Newark flights
Nashville to Newark flights
Nashville to Los Angeles flights
Cincinnati to Fort Lauderdale flights
Nashville to Las Vegas flights
Louisville to LaGuardia flights
Cincinnati to Seattle flights
Nashville to Fort Lauderdale flights
Nashville to Orlando flights
Nashville to O'Hare Intl flights
Nashville to Seattle flights
Cincinnati to Los Angeles flights
Louisville to Newark flights
Cincinnati to Tampa flights
Cincinnati to Hobby flights
Nashville to Reagan-National flights
Nashville to Denver flights
Nashville to Miami flights
Cincinnati to Boston flights
Cincinnati to Sky Harbor Intl flights
Cincinnati to Fort Myers flights
Cincinnati to Orlando Sanford Intl flights
Cincinnati to George Bush Intcntl flights
Cincinnati to Austin flights
Nashville to Dulles Intl flights
Cincinnati to Dulles Intl flights
Nashville to Boston flights
Cincinnati to O'Hare Intl flights
Louisville to John F Kennedy Intl flights
Nashville to Hobby flights
Nashville to Baltimore flights
Nashville to Dallas/Fort Worth flights
Cincinnati to Miami flights
Knoxville to O'Hare Intl flights
Louisville to Orlando flights
Cincinnati to Salt Lake City flights
Nashville to San Francisco flights
Louisville to Miami flights
Nashville to Salt Lake City flights
Cincinnati to Philadelphia flights
Louisville to Las Vegas flights
Lexington to Austin flights

Top 4 airlines flying from Louisville to Illinois

Discover the top 4 airlines that operate flights from Louisville to Illinois. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,629,791 searches. Data last updated November 20, 2024.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$109Average$254FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$111Average$283FlexibilityNo cancel feeOn-time71%
DeltaCheapest$135Average$277FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$156Average$282FlexibilityNo cancel feeOn-time63%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
View all available airlines