| Outbound | Return | Airlines | Shop | Baggage | Price | ||
|---|---|---|---|---|---|---|---|
| Best option Chicago Louisville | Outbound 09/23/25 direct UA3551 01h 40min | Return 09/30/25 direct UA5644 01h 42min |  United Airlines |  | ? | $128 | |
| Chicago Louisville | Outbound 11/03/25 1 Stopover (LAX) NK3016, NK0468 32h 14min | Return 11/12/25 1 Stopover (MCO) NK0143, NK1109 11h 52min |  Spirit Airlines |  | $213 | ||
| Chicago Louisville | Outbound 09/23/25 direct UA3598 01h 33min | Return 09/30/25 direct UA3422 01h 38min | United Airlines |  | ? | $132 | |
| Chicago Louisville | Outbound 09/23/25 direct AA4005 01h 23min | Return 09/30/25 direct AA3736 01h 38min |  American Airlines |  | ? | $161 | |
| Chicago Louisville | Outbound 10/09/25 direct UA3551 01h 40min | Return 11/01/25 direct UA4188 01h 40min | United Airlines | | ? | $196 | |
| Chicago Louisville | Outbound 10/18/25 direct AA4036 01h 24min | Return 11/17/25 1 Stopover (CLT) AA2854, AA1039 04h 50min | American Airlines | | ? | $207 | |
| Chicago Louisville | Outbound 10/18/25 direct AA4036 01h 24min | Return 11/17/25 direct AA4476 01h 39min | American Airlines | | ? | $229 | |
| Chicago Louisville | Outbound 09/04/25 direct UA3551 01h 40min | Return 09/28/25 direct UA3653 01h 38min | United Airlines |  | $231 | ||
| Chicago Louisville | Outbound 09/23/25 direct AA4005 01h 23min | Return 09/30/25 direct AA4005 01h 35min | American Airlines |  | ? | $272 | |
| Chicago Louisville | Outbound 09/19/25 1 Stopover (LAS) NK0183, NK0413 09h 50min | Return 09/29/25 1 Stopover (ATL) NK2459, NK1200 11h 28min | Spirit Airlines | | $322 |
Stops
- Direct flight
Airline
- United Airlines
- American Airlines
- Spirit Airlines
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 | $127.55 |
|---|---|
| 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
- Flight Chicago - New York from $86
- Flight Chicago - Las Vegas from $128
- Flight Chicago - Los Angeles from $103
- Flight Chicago - Miami from $98
- Flight Chicago - San Francisco from $200
- Flight Chicago - Tampa from $124
- Flight Chicago - Denver from $170
- Flight Chicago - Orlando from $86
- Flight Chicago - New Orleans from $154
- Flight Chicago - Boston from $93
Alternative flights to Louisville
- Flight Denver - Louisville from $211
- Flight Chicago O'Hare - Louisville from $128
- Flight Atlanta - Louisville from $88
- Flight Cleveland - Louisville from $206
- Flight Washington DC - Louisville from $222
- Flight Houston-Hobby - Louisville from $351
- Flight Sacramento - Louisville from $292
- Flight Spokane - Louisville from $352
- Flight Akron - Louisville from $239
Flight destinations with a similar price
- Flight Louisville - Munich from $605
- Flight Louisville - Frankfurt from $615
- Flight Louisville - Dusseldorf from $671
- Flight Louisville - Cancun from $394
- Flight Louisville - Mexico City from $403
- Flight Louisville - Sydney from $1,174
- Flight Louisville - Guatemala from $390
- Flight Louisville - Bridgetown from $574
Flight destinations with a similar price
- Flight Chicago - Las Vegas from $128
- Flight Chicago - Tampa from $124
- Flight Chicago - St. Louis from $128
- Flight Chicago - Toronto from $122
- Flight Chicago - Owensboro from $117