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$41 Find cheap flights from Kentucky to Chicago

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Chicago departing on 5/21. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
Fri 6/7
Fri 6/14

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In the last 7 days travelers have searched 43,968,530 times on KAYAK, and here is why:

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Good to know

Low season

January

High season

October

Cheapest flight

$41
Best time to beat the crowds with an average 5% drop in price.
Most popular time to fly and prices are also 3% lower on average.
Flight from Louisville to Chicago O'Hare Airport

FAQs for booking flights from Kentucky to Chicago

  • How does KAYAK find such low prices on flights from Kentucky to Chicago?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Kentucky to Chicago.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Kentucky to Chicago?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Chicago from Kentucky is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Kentucky to Chicago?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Chicago with an airline and back to Kentucky with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Kentucky to Chicago?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Chicago from Kentucky up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Prefer to fly non-stop from Kentucky to Chicago?

Find which airlines fly direct from Kentucky to Chicago, which days they fly and book direct flights.

Nonstop departures

Kentucky to Chicago

Monday

ANA, Aer Lingus, Aeromexico, +80 more

ANA, Aer Lingus, +81 more

Tuesday

ANA, Aer Lingus, Aerolineas Argentinas, +79 more

ANA, Aer Lingus, +80 more

Wednesday

ANA, Aer Lingus, Aeromexico, +79 more

ANA, Aer Lingus, +80 more

Thursday

ANA, Aer Lingus, Aeromexico, +78 more

ANA, Aer Lingus, +79 more

Friday

ANA, Aer Lingus, Aerolineas Argentinas, +81 more

ANA, Aer Lingus, +82 more

Saturday

ANA, Aer Lingus, Aerolineas Argentinas, +79 more

ANA, Aer Lingus, +80 more

Sunday

ANA, Aer Lingus, Aerolineas Argentinas, +79 more

ANA, Aer Lingus, +80 more

See more direct flights

Nonstop returns

Chicago to Kentucky

Monday

ANA, Aer Lingus, Aeromexico, +80 more

ANA, Aer Lingus, +81 more

Tuesday

ANA, Aer Lingus, Aerolineas Argentinas, +79 more

ANA, Aer Lingus, +80 more

Wednesday

ANA, Aer Lingus, Aeromexico, +79 more

ANA, Aer Lingus, +80 more

Thursday

ANA, Aer Lingus, Aeromexico, +78 more

ANA, Aer Lingus, +79 more

Friday

ANA, Aer Lingus, Aerolineas Argentinas, +81 more

ANA, Aer Lingus, +82 more

Saturday

ANA, Aer Lingus, Aerolineas Argentinas, +79 more

ANA, Aer Lingus, +80 more

Sunday

ANA, Aer Lingus, Aerolineas Argentinas, +79 more

ANA, Aer Lingus, +80 more

See more direct flights
See more direct flights

Book cheap flights from Kentucky to Chicago

Recent round-trip flight deals

5/29Wed
nonstopAmerican Airlines
1h 34mSDF-ORD
5/31Fri
nonstopAmerican Airlines
1h 25mORD-SDF
$97
5/29Wed
1 stopSpirit Airlines
16h 28mSDF-ORD
6/5Wed
1 stopSpirit Airlines
23h 10mORD-SDF
$102
8/14Wed
nonstopAmerican Airlines
1h 31mSDF-ORD
8/17Sat
nonstopAmerican Airlines
1h 36mORD-SDF
$107
7/24Wed
nonstopUnited Airlines
1h 45mLEX-ORD
8/22Thu
nonstopUnited Airlines
1h 30mORD-LEX
$147
5/30Thu
nonstopUnited Airlines
1h 27mSDF-ORD
6/3Mon
nonstopUnited Airlines
1h 29mORD-SDF
$152
7/24Wed
1 stopDelta
7h 12mLEX-ORD
7/30Tue
1 stopDelta
5h 14mORD-LEX
$156
6/1Sat
1 stopDelta
6h 37mSDF-ORD
6/3Mon
1 stopDelta
5h 02mORD-SDF
$156
5/20Mon
1 stop
7h 08mSDF-ORD
5/22Wed
2 stops
13h 06mORD-SDF
$215
5/24Fri
2 stops
23h 45mSDF-ORD
5/28Tue
3 stops
25h 34mORD-SDF
$235
7/22Mon
1 stopAllegiant Air
14h 44mLEX-RFD
7/26Fri
1 stopAllegiant Air
10h 51mRFD-LEX
$319

Search by stops

Search by airline

Search by price

Recent one-way flight deals

5/21Tue
1 stopSpirit Airlines
16h 28mSDF-ORD
$41
5/28Tue
1 stopSpirit Airlines
16h 28mSDF-ORD
$60
5/21Tue
2 stopsSpirit Airlines
27h 12mSDF-ORD
$61
7/17Wed
nonstopUnited Airlines
1h 27mSDF-ORD
$77
7/17Wed
1 stopDelta
5h 18mSDF-ORD
$78
5/28Tue
nonstopUnited Airlines
1h 35mSDF-ORD
$79
6/1Sat
1 stop
14h 16mLEX-ORD
$97
7/17Wed
1 stopDelta
6h 09mSDF-MDW
$106
5/20Mon
1 stopSun Country Air
7h 08mSDF-ORD
$123
5/30Thu
1 stop
13h 02mLEX-ORD
$124

Search by stops

Search by airline

Search by price

Last minute flights from Kentucky to Chicago

Last minute flight, train and bus deals

5/13Mon
multi-stop
7h 08mSDF-ORD
5/16Thu
multi-stop
24h 09mORD-SDF
$276
5/13Mon
multi-stop
21h 27mSDF-ORD
5/16Thu
multi-stop
24h 09mORD-SDF
$292
5/13Mon
multi-stopSpirit Airlines
10h 48mSDF-ORD
5/16Thu
multi-stopSpirit Airlines
24h 09mORD-SDF
$294
5/13Mon
multi-stopSun Country Air
7h 08mSDF-ORD
5/16Thu
multi-stopSun Country Air
14h 57mORD-SDF
$295
5/12Sun
multi-stopSpirit Airlines
15h 29mSDF-ORD
5/14Tue
multi-stopSpirit Airlines
21h 37mORD-SDF
$340
5/11Sat
nonstopAmerican Airlines
1h 34mSDF-ORD
5/24Fri
nonstopAmerican Airlines
1h 27mORD-SDF
$345
5/11Sat
multi-stopAmerican Airlines
6h 23mSDF-ORD
5/24Fri
nonstopAmerican Airlines
1h 27mORD-SDF
$353
5/10Fri
multi-stopSun Country Air
7h 58mSDF-ORD
5/12Sun
multi-stopSun Country Air
26h 57mORD-SDF
$390
5/9Thu
nonstopUnited Airlines
1h 34mSDF-ORD
5/9Thu
nonstopUnited Airlines
1h 28mORD-SDF
$437
5/11Sat
multi-stopUnited Airlines
25h 05mLEX-ORD
5/12Sun
nonstopUnited Airlines
1h 28mORD-LEX
$447

Search by stops

Search by airline

Search by price

Flights to Chicago

Return flight deals:

Chicago - Kentucky

Cabin classes:

$767
$902
$913
$130