Flight Routes from Chicago to Louisville

Trip type

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
06/25/26
direct
AA4704
01h 37min
Return
06/30/26
direct
AA4704
01h 43min
American Airlines ?
$308
Chicago
Louisville
Outbound
06/25/26
direct
AA4603
01h 38min
Return
06/30/26
direct
AA4704
01h 43min
American Airlines
$349
Chicago
Louisville
Outbound
06/25/26
direct
AA4668
01h 37min
Return
06/30/26
direct
AA4668
02h 04min
American Airlines ?
$433
Chicago
Louisville
Outbound
06/25/26
1 Stopover (TPA)
UA2326, MX0104
11h 38min
Return
06/30/26
3 Stopovers (IAD, TPA, DEN)
UA3717, UA2277, F92745, F93174
28h 32min
United Airlines, Breeze Airways ?
$812
Chicago
Louisville
Outbound
06/25/26
1 Stopover (ATL)
DL1264, DL1481
04h 36min
Return
06/30/26
1 Stopover (ATL)
DL1523, DL1477
05h 55min
Delta Air Lines ?
$3,035
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 $307.22
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