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$59+ 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 4/8. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — SDF
feb. 25 — mar. 41
mar. 2/25
mar. 3/4
1 adult, Economy
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Cheap flight deals from Illinois to Louisville

Keep the following information in mind while searching for Illinois to Louisville flight deals. Data was last updated febrero 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$117
(United Airlines)

One-way from

$59
(United Airlines)

Popular in

April

Cheapest in

August

Average price

$322

Good round-trip deal

$244 or less

Good one-way deal

$83 or less
Provider with most accurate pricing for Chicago (CHI)-Louisville Intl flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-Louisville Intl flights.
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From Illinois to Louisville Intl
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One-way flight from Illinois to Louisville Intl
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Highest demand for flights based on searches. 9% potential increase in price ($27 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Price to beat on a round-trip flight from Illinois to Louisville Intl.
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Price to beat on a one-way flight from Illinois to Louisville Intl.
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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 febrero 20, 2025.

This United Airlines deal was found by Cheapflights users on 2/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/86:01 pmORD - SDF
Nonstop1h 28mUnited Airlines
jue. 4/1011:04 amSDF - ORD
Nonstop1h 36mUnited Airlines
Deal found 2/19$117
This Southwest deal was found by Cheapflights users on 2/19. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/610:05 amMDW - SDF
Nonstop1h 15mSouthwest
mié. 5/74:10 pmSDF - MDW
1 stop6h 45mSouthwest
Deal found 2/19$127
This Delta deal was found by Cheapflights users on 2/19. 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.
vie. 3/75:45 amORD - SDF
1 stop5h 06mDelta
lun. 3/104:59 pmSDF - ORD
1 stop4h 59mDelta
Deal found 2/19$177
This American Airlines deal was found by Cheapflights users on 2/19. 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.
mar. 5/62:55 pmORD - SDF
1 stop6h 01mAmerican Airlines
mié. 5/711:51 amSDF - ORD
Nonstop1h 41mAmerican Airlines
Deal found 2/19$186
This Mytrip deal was found by Cheapflights users on 2/19. 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.
mar. 4/86:45 amORD - SDF
1 stop8h 31mSpirit Airlines
jue. 4/106:00 amSDF - ORD
1 stop12h 41mSpirit Airlines
Deal found 2/19$206
This Delta deal was found by Cheapflights users on 2/19. 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.
mar. 5/66:04 amMDW - SDF
1 stop4h 46mDelta
mié. 5/72:15 pmSDF - MDW
1 stop5h 15mDelta
Deal found 2/19$208
This Mytrip deal was found by Cheapflights users on 2/19. 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.
mié. 3/55:55 amORD - SDF
2 stops11h 26mMultiple Airlines
vie. 3/76:22 pmSDF - ORD
1 stop15h 45mMultiple Airlines
Deal found 2/19$224
This American Airlines deal was found by Cheapflights users on 2/18. 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.
jue. 3/63:25 pmMLI - SDF
1 stop7h 37mAmerican Airlines
dom. 3/95:00 amSDF - MLI
2 stops7h 16mAmerican Airlines
Deal found 2/18$274
This United Airlines deal was found by Cheapflights users on 2/20. 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.
jue. 3/203:25 pmSTL - SDF
1 stop6h 06mUnited Airlines
jue. 3/277:02 amSDF - STL
1 stop6h 10mUnited Airlines
Deal found 2/20$278
This United Airlines deal was found by Cheapflights users on 2/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 5/25:25 pmMLI - SDF
1 stop4h 05mUnited Airlines
mar. 5/67:00 amSDF - MLI
1 stop4h 12mUnited Airlines
Deal found 2/19$289
This Southwest deal was found by Cheapflights users on 2/19. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 5/107:30 amORD - SDF
2 stops8h 45mSouthwest
dom. 5/116:10 amSDF - ORD
1 stop6h 40mSouthwest
Deal found 2/19$300
This American Airlines deal was found by Cheapflights users on 2/20. 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.
jue. 3/206:32 pmSTL - SDF
1 stop5h 02mAmerican Airlines
jue. 3/275:00 amSDF - STL
1 stop4h 09mAmerican Airlines
Deal found 2/20$343

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 2,558,603 searches. Data last updated febrero 20, 2025.

Fly from

Illinois

Fly to

Louisville

Route

Depart

Return

Price

ChicagoLouisville

ORD - SDF

ORDSDF

Chicago O'Hare Intl

mar. 4/8

6:01 pm-8:29 pm

Nonstop1h 28m

Louisville Intl

jue. 4/10

11:04 am-11:40 am

Nonstop1h 36m

$117

ChicagoLouisville

MDW - SDF

MDWSDF

Chicago Midway

mar. 5/6

10:05 am-12:20 pm

Nonstop1h 15m

Louisville Intl

mié. 5/7

4:10 pm-9:55 pm

1 stop6h 45m

$127

ChicagoLouisville

ORD - SDF

ORDSDF

Chicago O'Hare Intl

vie. 3/7

5:45 am-11:51 am

1 stop5h 06m

Louisville Intl

lun. 3/10

4:59 pm-8:58 pm

1 stop4h 59m

$177

ChicagoLouisville

ORD - SDF

ORDSDF

Chicago O'Hare Intl

mar. 5/6

2:55 pm-9:56 pm

1 stop6h 01m

Louisville Intl

mié. 5/7

11:51 am-12:32 pm

Nonstop1h 41m

$186

ChicagoLouisville

ORD - SDF

ORDSDF

Chicago O'Hare Intl

mar. 4/8

6:45 am-4:16 pm

1 stop8h 31m

Louisville Intl

jue. 4/10

6:00 am-5:41 pm

1 stop12h 41m

$206

ChicagoLouisville

MDW - SDF

MDWSDF

Chicago Midway

mar. 5/6

6:04 am-11:50 am

1 stop4h 46m

Louisville Intl

mié. 5/7

2:15 pm-6:30 pm

1 stop5h 15m

$208

ChicagoLouisville

ORD - SDF

ORDSDF

Chicago O'Hare Intl

mié. 3/5

5:55 am-6:21 pm

2 stops11h 26m

Louisville Intl

vie. 3/7

6:22 pm-9:07 am

1 stop15h 45m

$224

MolineLouisville

MLI - SDF

MLISDF

Moline Quad-City

vie. 3/7

4:22 pm-12:36 am

1 stop7h 14m

Louisville Intl

mar. 3/11

3:41 pm-9:53 pm

1 stop7h 12m

$239

St. LouisLouisville

STL - SDF

STLSDF

Lambert-St Louis

jue. 3/20

3:25 pm-10:31 pm

1 stop6h 06m

Louisville Intl

jue. 3/27

7:02 am-12:12 pm

1 stop6h 10m

$278

ChicagoLouisville

ORD - SDF

ORDSDF

Chicago O'Hare Intl

sáb. 5/10

7:30 am-5:15 pm

2 stops8h 45m

Louisville Intl

dom. 5/11

6:10 am-11:50 am

1 stop6h 40m

$300

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 30 results
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2
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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 febrero 20, 2025.

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 febrero 20, 2025.

The most flights from USIL to SDF are scheduled on a Thursday (29 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (17 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 febrero 20, 2025.
See what other customers who have flown with Southwest, Delta and United Airlines 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
4,411 reviews

Entertainment

7.6

Crew

8.7

Food

7.1

Comfort

8.1

Boarding

8.2

Overall

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Southwest
8.1
Very good
4,411 reviews
Southwest
8.1
Very good
4,411 reviews

Entertainment

7.6

Crew

8.7

Food

7.1

Comfort

8.1

Boarding

8.2

Overall

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Delta
8.0
Very good
8,220 reviews
Southwest
8.1
Very good
4,411 reviews

Entertainment

7.6

Crew

8.7

Food

7.1

Comfort

8.1

Boarding

8.2

Overall

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

United Airlines
7.4
Good
8,766 reviews
Southwest
8.1
Very good
4,411 reviews

Entertainment

7.6

Crew

8.7

Food

7.1

Comfort

8.1

Boarding

8.2

Overall

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Allegiant Air
7.3
Good
765 reviews
Southwest
8.1
Very good
4,411 reviews

Entertainment

7.6

Crew

8.7

Food

7.1

Comfort

8.1

Boarding

8.2

Overall

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,411 reviews

Entertainment

7.6

Crew

8.7

Food

7.1

Comfort

8.1

Boarding

8.2

Overall

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

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?

    $59 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 Spirit Airlines, with prices starting from $59 and $80, 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 Moline Quad-City - 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: Iberia (89%), American Airlines (84%), Emirates( 83%).

  • What are the cheapest flights from Illinois to Louisville?

    Looking for the cheapest flight from Illinois to Louisville? While on average our users pay $287, our data indicates the cheapest price to be $83. The most popular route (Chicago O'Hare Intl - Louisville Intl), is priced around $117.

  • 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.

See more FAQs

Traveling to a place near Illinois?

Book flights to Illinois if you plan to visit one of these locations
Jeffersonville
Corydon
Elizabethtown
Bardstown

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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 2,558,603 searches. Data last updated febrero 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$117Average$304FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$117Average$294FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$118Average$532FlexibilityNo cancel feeOn-time63%
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