Cheap Flights from Chicago, IL to Louisville, KY from $51

Return flight: Louisville – Chicago

On Cheapflightsplus.com you will find 13 direct and 284 connecting flights from Chicago to Louisville. You can compare airfare deals from 4 airlines and multiple travel sites from $51, book and save on cheap plane tickets and last minute offers. Also check out CHI-SDF flight schedule to find best flight time, convenient departure and arrival airports.

Find One-Way and Round-Trip Chicago to Louisville Flight Deals

To find the cheapest one way airline ticket select the date with the lowest price on the calendar below and click «Find Flights». To search for round-trip flight deals click on the link «Check prices for return flights» and select the date of the return flight. Cheapest flights in November: $51 (one-way), $87 (round-trip).
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Full flight schedule will help you in detecting at what time planes fly from Chicago to Louisville. You can also specify the concrete flights and airlines on the route and how long the flight actually is. Use the calendar for today, tomorrow or other specific date as some flights are available only on certain days of the week.
Departure Arrival Flight Details Flight Duration Price
07:25 — 09:57
07:25 — 09:57 UA5574 United Airlines
Chicago — Louisville
1h 32m
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from$92
07:25 — 09:57
07:25 — 09:57 UA5469 United Airlines
Chicago — Louisville
1h 32m
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from$99
07:26 — 10:02
07:26 — 10:02 UA3571 United Airlines
Chicago — Louisville
1h 36m
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from$51
07:26 — 10:02
07:26 — 10:02 UA5323 United Airlines
Chicago — Louisville
1h 36m
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from$86
10:46 — 13:17
10:46 — 13:17 UA5899 United Airlines
Chicago — Louisville
1h 31m
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from$86
10:55 — 13:24
10:55 — 13:24 UA4559 United Airlines
Chicago — Louisville
1h 29m
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from$81
10:55 — 13:24
10:55 — 13:24 UA5235 United Airlines
Chicago — Louisville
1h 29m
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from$92
14:45 — 17:16
14:45 — 17:16 UA4529 United Airlines
Chicago — Louisville
1h 31m
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from$86
14:56 — 17:27
14:56 — 17:27 UA5264 United Airlines
Chicago — Louisville
1h 31m
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from$81
14:56 — 17:27
14:56 — 17:27 UA3534 United Airlines
Chicago — Louisville
1h 31m
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from$92
14:56 — 17:27
14:56 — 17:27 UA5261 United Airlines
Chicago — Louisville
1h 31m
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from$116
17:55 — 20:26
17:55 — 20:26 UA3598 United Airlines
Chicago — Louisville
1h 31m
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from$81
19:40 — 22:14
19:40 — 22:14 UA3551 United Airlines
Chicago — Louisville
1h 34m
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from$81
08:00 — 17:14
+1 day
08:00 — 10:26 NK3016 Spirit Airlines
Chicago — Los Angeles
23h 36m stop
10:02 — 17:14 NK468 Spirit Airlines
Los Angeles — Louisville
32h 14m
including layover
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from$102
08:19 — 14:46
13:34 — 16:36 NK2521 Spirit Airlines
Chicago — Myrtle Beach
1h 51m stop
13:11 — 14:46 G41254 Allegiant Air
Myrtle Beach — Louisville
5h 27m
including layover
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from$117
09:12 — 11:44
+1 day
09:12 — 11:23 G43081 Allegiant Air
Chicago — Fort Walton Beach
21h 37m stop
09:00 — 11:44 G43119 Allegiant Air
Fort Walton Beach — Louisville
25h 32m
including layover
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from$82
13:34 — 12:29
+1 day
14:19 — 17:17 NK2521 Spirit Airlines
Chicago — Myrtle Beach
18h 21m stop
13:50 — 15:50 NK2750 Spirit Airlines
Myrtle Beach — Louisville
21h 55m
including layover
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from$103
15:29 — 20:03
+1 day
15:29 — 19:39 NK867 Spirit Airlines
Chicago — Miami
21h 57m stop
17:36 — 20:03 NK1042 Spirit Airlines
Miami — Louisville
27h 34m
including layover
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from$126
16:36 — 10:04
+1 day
16:36 — 20:23 NK1370 Spirit Airlines
Chicago — Sanford
11h 37m stop
08:00 — 10:04 G42914 Allegiant Air
Sanford — Louisville
16h 28m
including layover
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from$122
17:38 — 19:07
+1 day
17:38 — 21:48 NK1106 Spirit Airlines
Chicago — Miami
18h 52m stop
16:40 — 19:07 NK1043 Spirit Airlines
Miami — Louisville
24h 29m
including layover
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from$105
18:34 — 20:03
+1 day
18:34 — 22:32 NK1027 Spirit Airlines
Chicago — Miami
19h 4m stop
17:36 — 20:03 NK1042 Spirit Airlines
Miami — Louisville
24h 29m
including layover
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from$126
19:39 — 17:49
+1 day
19:39 — 23:32 NK507 Spirit Airlines
Chicago — Sanford
16h 4m stop
15:36 — 17:49 G42963 Allegiant Air
Sanford — Louisville
21h 10m
including layover
Find flight
from$101
20:29 — 15:02
+1 day
20:29 — 00:19 NK1763 Spirit Airlines
Chicago — Clearwater
12h 38m stop
12:57 — 15:02 G41042 Allegiant Air
Clearwater — Louisville
17h 33m
including layover
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from$117
05:05 — 20:50
05:05 — 09:10 NK19 Spirit Airlines
Chicago — Miami
4h 28m stop
13:38 — 14:47 NK196 Spirit Airlines
Miami — Sanford
3h 57m stop
18:44 — 20:50 G41350 Allegiant Air
Sanford — Louisville
14h 45m
including layover
Find flight
from$132
06:45 — 17:45
+1 day
06:45 — 09:07 NK467 Spirit Airlines
Chicago — Los Angeles
9h 51m stop
18:58 — 00:11 NK419 Spirit Airlines
Los Angeles — Dallas
14h 24m stop
14:35 — 17:45 NK2050 Spirit Airlines
Dallas — Louisville
34h
including layover
Find flight
from$120
06:45 — 17:45
+1 day
06:45 — 09:07 NK467 Spirit Airlines
Chicago — Los Angeles
13h 52m stop
22:59 — 04:14 NK3710 Spirit Airlines
Los Angeles — Dallas
10h 21m stop
14:35 — 17:45 NK2050 Spirit Airlines
Dallas — Louisville
34h
including layover
Find flight
from$138
11:21 — 15:36
+1 day
11:21 — 13:51 NK1633 Spirit Airlines
Chicago — Dallas
15h 54m stop
05:45 — 07:05 NK1272 Spirit Airlines
Dallas — Los Angeles
1h 30m stop
08:35 — 15:36 NK1029 Spirit Airlines
Los Angeles — Louisville
27h 15m
including layover
Find flight
from$107
11:21 — 15:36
+1 day
11:21 — 13:51 NK1633 Spirit Airlines
Chicago — Dallas
6h 56m stop
20:47 — 22:11 NK1020 Spirit Airlines
Dallas — Los Angeles
10h 24m stop
08:35 — 15:36 NK1029 Spirit Airlines
Los Angeles — Louisville
27h 15m
including layover
Find flight
from$107
13:11 — 10:07
+1 day
13:11 — 15:49 G41846 Allegiant Air
Chicago — Fletcher
6h 13m stop
22:02 — 23:31 G41208 Allegiant Air
Fletcher — Sanford
8h 34m stop
08:05 — 10:07 G41216 Allegiant Air
Sanford — Louisville
19h 56m
including layover
Find flight
from$114
15:36 — 10:04
+1 day
15:36 — 17:05 NK1184 Spirit Airlines
Chicago — Nashville
2h 58m stop
20:03 — 23:00 NK1457 Spirit Airlines
Nashville — Sanford
9h stop
08:00 — 10:04 G42914 Allegiant Air
Sanford — Louisville
17h 28m
including layover
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from$124
16:26 — 10:04
+1 day
16:26 — 18:47 NK2168 Spirit Airlines
Chicago — New Orleans
1h 23m stop
20:10 — 23:01 NK1068 Spirit Airlines
New Orleans — Sanford
8h 59m stop
08:00 — 10:04 G42914 Allegiant Air
Sanford — Louisville
16h 38m
including layover
Find flight
from$124
20:29 — 19:07
+1 day
20:29 — 00:19 NK1763 Spirit Airlines
Chicago — Tampa
5h 21m stop
05:40 — 06:45 NK1756 Spirit Airlines
Tampa — Miami
9h 55m stop
16:40 — 19:07 NK1043 Spirit Airlines
Miami — Louisville
21h 38m
including layover
Find flight
from$133
*Departure and arrival times - local. Updated on July 3, 2025

Flight Information

Below we will explain in detail what the flights cost on the destination from Chicago to Louisville depends on and how to choose the most interesting flight option for you.

Distance between Chicago and Louisville is 443 miles. Time difference between the cities is 1h. Airplanes depart 05:00 to 22:15 from 7 Chicago airports and arrive 05:00 to 22:15 to 3 Louisville airports. Average flight time is 1h 31m.

  • The fastest flight 1h 29m
  • Average flight time 1h 31m
  • The earliest flight 05:00
  • The latest flight 22:15
  • Distance 276 ml

The cheapest months to travel to Louisville are august (from 69 $), september (from 115 $), june (from 122 $).

The most expensive months are october (from 135 $), july (from 123 $), may (from 123 $).

What is the lowest airfare Chicago to Louisville?

The cheapest plane ticket found by our users is $51. This airfare is for economy class on one-way UA3571 flight by United Airlines for August 27, 2025 which leaves O'Hare International in Chicago at 07:26 am and arrives at Louisville Standiford Field at 10:02.

Economy class
$51
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Business class
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First class
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Popular Airlines on the Route

The flight Chicago — Louisville is served by 4 regular airlines and 3 low-cost airlines. Most of the flights on this route are operated by Sun Country Airlines - 7 departures per week at the price of from $ 156 . And the most expensive tickets are offered by United Airlines airline - from $ 627.

Direct flights

There are 13 nonstop flights on the route. The fastest direct flight is UA4559 by United Airlines takes 1h 29m and the cheapest is UA3571 by United Airlines for $51.

  • UA - United Airlines
    from $51
    Find
See more direct flights

Connecting Flights

There are 284 flights with layovers on the route. The fastest connecting flight is UA2277 by United Airlines takes 4h 48m and the cheapest is UA3571 by United Airlines for $82.

  • SY - Sun Country Airlines
    from $156
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  • UA - United Airlines
    from $176
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  • G4 - Allegiant Air
    from $82
    Find
  • NK - Spirit Airlines
    from $101
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See more connecting flights

Airports

You can fly from Chicago to Louisville from 7 airports (O'Hare International, Midway, Dupage County, Chicago FSS, Merrill C Meigs (closed), Pal-Waukee, Chicago NAS).

Chicago airports

  • O'Hare International-ORD
    from $51
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  • Midway-MDW
    from $82
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  • Dupage County-DPA
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  • Chicago FSS-CHI
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  • Merrill C Meigs (closed)-CGX
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  • Pal-Waukee-PWK
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  • Chicago NAS-NOH
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Louisville airports

  • Standiford Field-SDF
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  • Intercontinental-LJC
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  • Bowman Field-LOU
    Find

How to book a plane ticket yourself?

How to book an air ticket yourself?
  • Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
  • Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
  • Click «Buy» when you are ready — our system will redirect you to the site that sells the selected flight ticket.
  • Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
  • That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.

    To find a plane ticket, please select dates.

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