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

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 1/15. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — SDF
Nov 26 — Dec 31
Tue 11/26
Tue 12/3
1 adult, Economy
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Cheap flight deals from Illinois to Louisville

Discover tips and strategies to find the most affordable flight options for your journey from Illinois (USIL) to Louisville (SDF). 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 21, 2024.

Find flight deals from Illinois to Louisville

Cheapest flights from Illinois to Louisville
Explore the most affordable flight options available from Illinois to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 21, 2024.

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 12/117:30 pmMDW - SDF
Nonstop1h 10mSouthwest
Thu 12/127:25 amSDF - MDW
Nonstop1h 20mSouthwest
Deal found 11/20$143
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.
Sat 12/147:50 pmORD - SDF
Nonstop1h 36mUnited Airlines
Sun 12/157:00 amSDF - ORD
Nonstop1h 41mUnited Airlines
Deal found 11/20$147
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/156:40 pmORD - SDF
Nonstop1h 43mAmerican Airlines
Mon 12/164:00 pmSDF - ORD
Nonstop1h 34mAmerican Airlines
Deal found 11/20$157
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 12/147:00 amORD - SDF
1 stop6h 27mDelta
Tue 12/177:08 amSDF - ORD
1 stop4h 41mDelta
Deal found 11/19$176
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1112:44 pmMDW - SDF
1 stop5h 21mDelta
Thu 12/126:00 amSDF - MDW
1 stop6h 58mDelta
Deal found 11/20$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.
Fri 12/133:10 pmORD - SDF
1 stop6h 30mSouthwest
Wed 1/153:30 pmSDF - ORD
1 stop7h 50mSouthwest
Deal found 11/20$221
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.
Tue 12/310:25 amORD - SDF
1 stop9h 17mMultiple Airlines
Fri 12/69:11 amSDF - ORD
1 stop15h 00mMultiple Airlines
Deal found 11/19$231
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/159:58 amORD - SDF
1 stop10h 00mSpirit Airlines
Mon 12/169:53 pmSDF - ORD
1 stop19h 13mSpirit Airlines
Deal found 11/20$245
This American Airlines deal was found by Cheapflights users on 11/21. 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 12/166:02 pmSTL - SDF
1 stop5h 30mAmerican Airlines
Thu 12/197:02 pmSDF - STL
1 stop4h 26mAmerican Airlines
Deal found 11/21$278
This United Airlines deal was found by Cheapflights users on 11/21. 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.
Thu 12/58:25 amSTL - SDF
1 stop5h 34mUnited Airlines
Thu 12/127:00 amSDF - STL
1 stop4h 27mUnited Airlines
Deal found 11/21$395
This United Airlines deal was found by Cheapflights users on 11/21. 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.
Sat 12/73:55 pmMLI - SDF
1 stop5h 31mUnited Airlines
Wed 12/117:00 amSDF - MLI
1 stop4h 22mUnited Airlines
Deal found 11/21$400
This Delta deal was found by Cheapflights users on 11/21. 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 11/295:18 pmSTL - SDF
1 stop4h 39mDelta
Fri 12/62:29 pmSDF - STL
1 stop3h 42mDelta
Deal found 11/21$403

Find flights from Illinois to Louisville within your budget

Customize your flight search to find flights from Illinois 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, Cheapflights users made 2,612,795 searches. Data last updated November 21, 2024.

Fly from

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Fly to

Any airport

Route

Depart

Return

Price

ChicagoLouisville

ORD - SDF

ORDSDF

Chicago O'Hare Intl

Tue 1/14

6:05 pm-8:37 pm

Nonstop1h 32m

Louisville Intl

Thu 1/16

7:00 am-7:45 am

Nonstop1h 45m

$142

ChicagoLouisville

MDW - SDF

MDWSDF

Chicago Midway

Wed 12/11

7:30 pm-9:40 pm

Nonstop1h 10m

Louisville Intl

Thu 12/12

7:25 am-7:45 am

Nonstop1h 20m

$143

ChicagoLouisville

ORD - SDF

ORDSDF

Chicago O'Hare Intl

Sun 12/15

6:40 pm-9:23 pm

Nonstop1h 43m

Louisville Intl

Mon 12/16

4:00 pm-4:34 pm

Nonstop1h 34m

$157

ChicagoLouisville

ORD - SDF

ORDSDF

Chicago O'Hare Intl

Sat 12/14

7:00 am-2:27 pm

1 stop6h 27m

Louisville Intl

Tue 12/17

7:08 am-10:49 am

1 stop4h 41m

$176

ChicagoLouisville

MDW - SDF

MDWSDF

Chicago Midway

Wed 12/11

12:44 pm-7:05 pm

1 stop5h 21m

Louisville Intl

Thu 12/12

6:00 am-11:58 am

1 stop6h 58m

$181

ChicagoLouisville

ORD - SDF

ORDSDF

Chicago O'Hare Intl

Fri 12/13

7:30 am-2:20 pm

1 stop5h 50m

Louisville Intl

Sun 12/15

6:15 am-2:00 pm

1 stop8h 45m

$226

ChicagoLouisville

ORD - SDF

ORDSDF

Chicago O'Hare Intl

Tue 12/3

10:25 am-8:42 pm

1 stop9h 17m

Louisville Intl

Fri 12/6

9:11 am-11:11 pm

1 stop15h 00m

$231

ChicagoLouisville

ORD - SDF

ORDSDF

Chicago O'Hare Intl

Sun 12/15

9:58 am-8:58 pm

1 stop10h 00m

Louisville Intl

Mon 12/16

9:53 pm-4:06 pm

1 stop19h 13m

$245

St. LouisLouisville

STL - SDF

STLSDF

Lambert-St Louis

Thu 1/9

6:30 am-11:34 am

1 stop4h 04m

Louisville Intl

Sat 1/11

7:05 am-11:47 am

1 stop5h 42m

$278

St. LouisLouisville

STL - SDF

STLSDF

Lambert-St Louis

Thu 1/9

5:40 am-3:00 pm

2 stops8h 20m

Louisville Intl

Sat 1/11

6:35 am-11:17 am

1 stop5h 42m

$283

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/20

Showing 1-10 of 27 results
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Best time to book a flight from Illinois to Louisville

Have a flexible travel schedule? Discover the best time to fly to Louisville from Illinois 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 Illinois to Louisville

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

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

Currently, January is the cheapest month in which you can book a flight from Illinois to Louisville (average of $299). Flying from Illinois to Louisville in April is currently the most expensive (average of $369). 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 IL to SDF?

Find hourly flight availability from Illinois to Louisville. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 21, 2024.

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

Weekly flight availability from Illinois to Louisville

Explore weekly flight availability from Illinois to Louisville. 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 21, 2024.

The most flights from USIL to SDF are scheduled on a Wednesday (35 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (20 on average).

Rainfall in Louisville by month

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

In terms of precipitation, rainfall in Louisville ranges from 3.1 - 5.3 inches per month. May is typically the wettest month, when rainfall can reach 5.3 in. September is typically the driest time to visit Louisville when rainfall is around 3.1 in.

Temperature in Louisville by month

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

If weather is an important factor for your trip to Louisville, 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 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing Louisville

Get insights into the airlines that provide service to Louisville. 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 Louisville. Reviews last updated November 21, 2024.
See what other customers who have flown with Delta, United Airlines and Southwest from Illinois to Louisville have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
5,005 reviews

Overall

8.1

Boarding

8.2

Crew

8.7

Food

7.2

Comfort

8.1

Entertainment

7.7

Reviews

1 / 10

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

Southwest
8.1
Very good
5,005 reviews
Southwest
8.1
Very good
5,005 reviews

Overall

8.1

Boarding

8.2

Crew

8.7

Food

7.2

Comfort

8.1

Entertainment

7.7

Reviews

1 / 10

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

Delta
8.0
Very good
8,755 reviews
Southwest
8.1
Very good
5,005 reviews

Overall

8.1

Boarding

8.2

Crew

8.7

Food

7.2

Comfort

8.1

Entertainment

7.7

Reviews

1 / 10

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

United Airlines
7.4
Good
9,172 reviews
Southwest
8.1
Very good
5,005 reviews

Overall

8.1

Boarding

8.2

Crew

8.7

Food

7.2

Comfort

8.1

Entertainment

7.7

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
5,005 reviews

Overall

8.1

Boarding

8.2

Crew

8.7

Food

7.2

Comfort

8.1

Entertainment

7.7

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
5,005 reviews

Overall

8.1

Boarding

8.2

Crew

8.7

Food

7.2

Comfort

8.1

Entertainment

7.7

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 Illinois to Louisville. 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 into for flights to Louisville from Illinois?

    Louisville Intl (SDF), located 5.3 mi from the city center, is the airport you fly into when you book flights from Illinois to Louisville.

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

    $69 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on Southwest and American Airlines, with prices starting from $69 and $75, respectively.

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

    The most popular flight routes from Illinois to Louisville are Chicago O'Hare Intl - Louisville Intl, Chicago Midway - Louisville Intl and Lambert-St Louis - Louisville Intl.

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

    Before booking your flight to Louisville from Illinois, check out the most reliable airlines to get you to your destination on time: SkyWest Airlines (94%), ANA (93%), Envoy Air( 92%).

  • What are the cheapest flights from Illinois to Louisville?

    Looking for the cheapest flight from Illinois to Louisville? While on average our users pay $299, our data indicates the cheapest price to be $72. The most popular route (Chicago O'Hare Intl - Louisville Intl), is priced around $147.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Illinois to Louisville 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 Illinois to Louisville?

    Currently, January is the cheapest month in which you can book a flight from Illinois to Louisville (average of $299). Flying from Illinois to Louisville in April is currently the most expensive (average of $369). 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.

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Alternative routes for Illinois to Louisville

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Illinois to Louisville

Discover the top 3 airlines that operate flights from Illinois to Louisville. 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 2,612,795 searches. Data last updated November 21, 2024.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$105Average$300FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$118Average$532FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$119Average$291FlexibilityNo cancel feeOn-time71%
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