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Cheap flights from Louisville to Illinois from $51

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Louisville to Illinois departing on 11/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Louisville to Illinois

Cheap round-trip flights

American Airlines Logo
6:12 pm - 6:52 pmSDF-ORD
1h 40mnonstop
American Airlines Logo
9:41 am - 12:13 pmORD-SDF
1h 32mnonstop
$117American Airlines
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Wed, Oct 1 - Tue, Nov 4
Southwest Logo
6:55 pm - 7:10 pmSDF-MDW
1h 15mnonstop
Southwest Logo
8:35 pm - 10:45 pmMDW-SDF
1h 10mnonstop
$117Southwest
Find Deal
Tue, Oct 14 - Tue, Oct 21
American Airlines Logo
6:12 pm - 6:52 pmSDF-ORD
1h 40mnonstop
American Airlines Logo
11:41 am - 2:03 pmORD-SDF
1h 22mnonstop
$127American Airlines
Find Deal
Mon, Sep 29 - Wed, Oct 1
Southwest Logo
8:15 pm - 8:30 pmSDF-MDW
1h 15mnonstop
Southwest Logo
8:35 pm - 10:45 pmMDW-SDF
1h 10mnonstop
$127Southwest
Find Deal
Mon, Oct 20 - Wed, Oct 22
United Airlines Logo
7:20 pm - 8:09 pmSDF-ORD
1h 49mnonstop
United Airlines Logo
7:50 pm - 10:30 pmORD-SDF
1h 40mnonstop
$137United Airlines
Find Deal
Mon, Oct 20 - Wed, Oct 22
United Airlines Logo
7:00 am - 7:38 amSDF-ORD
1h 38mnonstop
United Airlines Logo
6:00 pm - 8:33 pmORD-SDF
1h 33mnonstop
$155United Airlines
Find Deal
Mon, Oct 6 - Mon, Oct 13
Delta Logo
7:33 pm - 11:54 pmSDF-ORD
5h 21m1 stop
Delta Logo
6:45 am - 11:43 amORD-SDF
3h 58m1 stop
$177Delta
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Mon, Sep 29 - Wed, Oct 1
Delta Logo
7:55 am - 12:31 pmSDF-MDW
5h 36m1 stop
Delta Logo
5:04 pm - 12:01 amMDW-SDF
5h 57m1 stop
$177Delta
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Sat, Oct 18 - Tue, Oct 21
Spirit Airlines Logo
8:23 am - 10:52 amSDF-ORD
27h 29m1 stop
Spirit Airlines Logo
11:57 am - 10:04 pmORD-SDF
9h 07m1 stop
$194Spirit Airlines
Find Deal
Mon, Sep 29 - Fri, Oct 3
Spirit Airlines Logo
8:23 am - 5:39 pmSDF-ORD
10h 16m1 stop
Spirit Airlines Logo
5:59 pm - 9:59 amORD-SDF
15h 00m1 stop
$199Spirit Airlines
Find Deal
Tue, Sep 30 - Fri, Nov 7

Spirit Airlines flights from Louisville to Illinois

Our best Spirit Airlines deals on Louisville to Illinois flight tickets
Spirit Airlines
Sep 29
SDF8:23 amLouisville Intl
27h 29m
1 stop
ORD10:52 amChicago O'Hare Intl
Oct 3
ORD11:57 amChicago O'Hare Intl
9h 07m
1 stop
SDF10:04 pmLouisville Intl
$194
Find similar
Spirit Airlines
Sep 30
SDF8:23 amLouisville Intl
10h 16m
1 stop
ORD5:39 pmChicago O'Hare Intl
Nov 7
ORD5:59 pmChicago O'Hare Intl
15h 00m
1 stop
SDF9:59 amLouisville Intl
$199
Find similar
Spirit Airlines
Sep 29
SDF8:23 amLouisville Intl
27h 29m
1 stop
ORD10:52 amChicago O'Hare Intl
Oct 7
ORD7:43 pmChicago O'Hare Intl
19h 53m
1 stop
SDF4:36 pmLouisville Intl
$206
Find similar

Delta flights from Louisville to Illinois

Our best Delta deals on Louisville to Illinois flight tickets
Delta
Sep 29
SDF7:33 pmLouisville Intl
5h 21m
1 stop
ORD11:54 pmChicago O'Hare Intl
Oct 1
ORD6:45 amChicago O'Hare Intl
3h 58m
1 stop
SDF11:43 amLouisville Intl
$177
Find similar
Delta
Oct 2
SDF7:50 amLouisville Intl
3h 29m
1 stop
ORD10:19 amChicago O'Hare Intl
Oct 7
ORD1:25 pmChicago O'Hare Intl
7h 23m
2 stops
SDF9:48 pmLouisville Intl
$182
Find similar
Delta
Oct 2
SDF8:10 amLouisville Intl
10h 54m
2 stops
ORD6:04 pmChicago O'Hare Intl
Oct 7
ORD1:25 pmChicago O'Hare Intl
9h 36m
2 stops
SDF12:01 amLouisville Intl
$187
Find similar

momondo Fare Finder

 
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, momondo users made 832,500 searches. Data last updated September 9, 2025.
Use the filters below to find and compare flights from Louisville to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LouisvilleChicago

SDF - ORD

SDFORD

Louisville Intl

Wed 10/1

6:12 pm-6:52 pm

Nonstop1h 40m

Chicago O'Hare Intl

Tue 11/4

9:41 am-12:13 pm

Nonstop1h 32m

$117

LouisvilleChicago

SDF - MDW

SDFMDW

Louisville Intl

Tue 10/14

6:55 pm-7:10 pm

Nonstop1h 15m

Chicago Midway

Tue 10/21

8:35 pm-10:45 pm

Nonstop1h 10m

$117

LouisvilleChicago

SDF - ORD

SDFORD

Louisville Intl

Mon 9/29

6:12 pm-6:52 pm

Nonstop1h 40m

Chicago O'Hare Intl

Wed 10/1

11:41 am-2:03 pm

Nonstop1h 22m

$127

LouisvilleChicago

SDF - MDW

SDFMDW

Louisville Intl

Mon 10/20

8:15 pm-8:30 pm

Nonstop1h 15m

Chicago Midway

Wed 10/22

8:35 pm-10:45 pm

Nonstop1h 10m

$127

LouisvilleChicago

SDF - ORD

SDFORD

Louisville Intl

Mon 10/20

7:20 pm-8:09 pm

Nonstop1h 49m

Chicago O'Hare Intl

Wed 10/22

7:50 pm-10:30 pm

Nonstop1h 40m

$137

LouisvilleChicago

SDF - ORD

SDFORD

Louisville Intl

Mon 10/6

7:00 am-7:38 am

Nonstop1h 38m

Chicago O'Hare Intl

Mon 10/13

6:00 pm-8:33 pm

Nonstop1h 33m

$155

LouisvilleChicago

SDF - ORD

SDFORD

Louisville Intl

Mon 9/29

7:33 pm-11:54 pm

1 stop5h 21m

Chicago O'Hare Intl

Wed 10/1

6:45 am-11:43 am

1 stop3h 58m

$177

LouisvilleChicago

SDF - MDW

SDFMDW

Louisville Intl

Sat 10/18

7:55 am-12:31 pm

1 stop5h 36m

Chicago Midway

Tue 10/21

5:04 pm-12:01 am

1 stop5h 57m

$177

LouisvilleChicago

SDF - ORD

SDFORD

Louisville Intl

Mon 9/29

8:23 am-10:52 am

1 stop27h 29m

Chicago O'Hare Intl

Fri 10/3

11:57 am-10:04 pm

1 stop9h 07m

$194

LouisvilleChicago

SDF - ORD

SDFORD

Louisville Intl

Tue 9/30

8:23 am-5:39 pm

1 stop10h 16m

Chicago O'Hare Intl

Fri 11/7

5:59 pm-9:59 am

1 stop15h 00m

$199

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Illinois from

How to get the cheapest flight ticket from Louisville to Illinois

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Illinois?

The cheapest month to fly to Illinois from Louisville is in April. Flight prices, which tend to average around $207, are often lower during this time because this is during the off-season. If you aren’t able to travel to Illinois during the month of April, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $245.

What is the cheapest day to depart on your flight to Illinois?

The cheapest day to depart from Louisville to Illinois is on a Thursday when prices can be found for as low as $491. Flights from Louisville to Illinois on a Sunday will generally be more expensive and average around $723. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Illinois?

Our most recent data shows that the best time of day to fly to Illinois is in the morning. Flights from Louisville to Illinois during this time can be as low as $528. Flights in the afternoon are often more expensive with an average ticket price of $857.

What is the cheapest Louisville Intl to Illinois flight route?

Fly from Louisville Intl to Chicago Midway for the best Louisville Intl - Illinois flight prices

How far in advance should I book a flight to Illinois?

You are more likely to see cheaper flights to Illinois from Louisville when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $285 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Louisville for as low as $192 on momondo.

What cabin class options are available on Louisville Intl to Illinois flights?

There are 4 cabin classes available to choose from on Louisville Intl to Illinois flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Louisville to Illinois flights?

No. A direct flight is the cheapest option for a flight between Louisville to Illinois.

Cheap Louisville to Illinois flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Louisville to Illinois

Best Price Found

$166

Fastest flight time

1h 15m

Direct flights

Every day

Airports in Illinois

2 airports
The best one-way flight to Illinois from Louisville in the past 72 hours is $166. The best round-trip flight deal from Louisville to Illinois found on momondo in the last 72 hours is $238.
The fastest flight from Louisville to Illinois takes 1h 15m
Direct flights go from Louisville to Illinois every day.
There are 2 airports near Illinois: Chicago O'Hare Intl (ORD), Chicago Midway (MDW)
Search flight deals

  • When did momondo last update prices for flights from Louisville Intl Airport to Illinois?

    Prices for flights from Louisville Intl Airport to Illinois refresh daily.

  • How many operators does momondo search for flights from Louisville Intl Airport to Illinois?

  • How old do you have to be to fly from Louisville Intl Airport to Illinois?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Louisville Intl Airport to Illinois.

  • What documentation or ID do you need to fly to Illinois?

    The travel and health documents you'll need for your trip to Illinois may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Illinois. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Louisville to Illinois?

Best airlines flying from Louisville to Illinois

Compare and see reviews for airlines that fly from Louisville to Illinois with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $97Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $97Free CancellationRating
8.0
4,250 reviews
Search Southwest flights
United AirlinesPriceFrom $128Free CancellationRating
7.4
8,943 reviews
Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Louisville to Illinois?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Louisville to Illinois. momondo saves you time and could save you money on your trip.

Can I find flights from Louisville to Illinois with flexible booking policies on momondo?

momondo does allow users to show only those flights to Illinois from Louisville which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Louisville to Illinois?

Once you have performed a search for Louisville to Illinois flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Louisville to Illinois right now. Can momondo alert me if prices change?

Price alerts on flights to Illinois from Louisville are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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