Flights from Chicago to Louisville

Our cheapest offers for flights from Chicago to Louisville

Here you can compare cheap flights from Chicago (CHI) to Louisville (SDF) for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to Louisville. Prices and availability may change at any time.

Outbound Return Airlines Shop Baggage Price
Best option
Chicago
Louisville
Outbound
11/09/25
direct
UA5835
01h 29min
Return
12/07/25
direct
UA4412
01h 38min
United Airlines ?
$192
Chicago
Louisville
Please note: transfer for connecting flight
Outbound
11/09/25
1 Stopover (FLL)
NK0002, NK2533
27h 54min
Return
12/07/25
1 Stopover (FLL)
NK2534, NK0001
13h 47min
Spirit Airlines
$212
Chicago
Louisville
Outbound
11/09/25
direct
UA3598
01h 34min
Return
12/07/25
direct
UA4540
01h 53min
United Airlines
$201
Chicago
Louisville
Outbound
02/13/26
direct
AA4244
01h 10min
Return
02/26/26
direct
AA3681
01h 40min
American Airlines ?
$222
Chicago
Louisville
Outbound
02/13/26
direct
UA3551
01h 24min
Return
02/26/26
direct
UA3653
01h 44min
United Airlines ?
$284
Chicago
Louisville
Please note: transfer for connecting flight
Outbound
02/13/26
1 Stopover (FLL)
NK0002, NK2533
27h 49min
Return
02/26/26
1 Stopover (FLL)
NK2534, NK3153
11h 05min
Spirit Airlines
$364
Chicago
Louisville
Outbound
02/13/26
direct
AA4244
01h 10min
Return
02/26/26
direct
AA4622
01h 30min
American Airlines ?
$384
Chicago
Louisville
Outbound
11/09/25
direct
AA4603
01h 30min
Return
12/07/25
direct
AA4629
01h 42min
American Airlines ?
$401
Prices based on recent searches, subject to last-minute changes
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Tips and tricks to help you find cheap flights from Chicago to Louisville

Favorite airline: United Airlines
92 % of bookings on this flight route are made with United Airlines, Spirit Airlines and American Airlines.
United Airlines
40 %
Spirit Airlines
36 %
American Airlines
16 %
Cheapest weekday: Wednesday
Flight prices fluctuate throughout the week. Flights are 31 % cheaper on Wednesday.
Direct flights are more expensive
Direct flights on this route are $18.00 more expensive on average than flights with a stopover.
non stop flight
1 stop
2 stops
01h 24min
06h 41min
14h 15min
$148
$130
$284
The favorite connection is non-stop
Non-stop flights are especially popular on this route. 59 % of travelers will book a direct flight.
Route
bookings
Direct flights
01h 24min, from $148
59 %
1 stopover Fort Lauderdale-Hollywood International Airport, FL
12h 08min, from $151
21 %
1 stopover Orlando International Airport, FL
09h 05min, from $213
8 %

Important flight information

Flight information: Chicago - Louisville

Roundtrip from $191.77
Flight duration min. 01:10 / max. 01:31
Return flight duration min. 01:15/ max. 08:40
Distance 443 km
Flights per week 96
Departure airport Airport Chicago-IL, all airports (CHI)
Arrival airport Airport Louisville International Airport, KY (SDF)
Destination country Flights to United States
Alternative routes to United States
Alternative flights to Louisville
Flight destinations with a similar price
Flight destinations with a similar price