$95+ Cheap flights from O'Hare Intl (ORD) to Louisville (SDF)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/30. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — SDF
Nov 24 — Dec 11
Round-trip
1 adult, Economy
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Find cheap flights from O'Hare Intl to Louisville with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Chicago O'Hare Intl to Louisville Intl are usually found in December or November, booked 44 days in advance, depart on a Friday or Saturday and return on a Friday
Cheap flight deals from O'Hare Intl to Louisville
Cheapest
Best
Last-minute
One-way
Cheapest flights from O'Hare Intl to LouisvilleExplore the most affordable flight options available from O'Hare Intl to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 25, 2026.
Explore the most affordable flight options available from O'Hare Intl to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 25, 2026.
This United Airlines deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/126:59 am -
Nonstop1h 39m
Mon 11/1610:27 am -
Nonstop1h 45m
Deal found 10/23![United Airlines logo]()
$189
This United Airlines deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/46:20 pm -
Nonstop1h 40m
Mon 12/77:10 am -
Nonstop1h 45m
Deal found 10/23![United Airlines logo]()
$204
This United Airlines deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/176:59 am -
Nonstop1h 39m
Mon 11/2310:27 am -
Nonstop1h 45m
Deal found 10/20![United Airlines logo]()
$219
This United Airlines deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/147:55 pm -
Nonstop1h 35m
Mon 11/165:57 pm -
Nonstop1h 52m
Deal found 10/24![United Airlines logo]()
$225
This United Airlines deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/113:45 pm -
Nonstop1h 32m
Sun 12/137:10 am -
Nonstop1h 45m
Deal found 10/23![United Airlines logo]()
$230
This American Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/188:29 am -
Nonstop1h 35m
Sat 1/96:10 am -
Nonstop1h 49m
Deal found 10/22![American Airlines logo]()
$231
This Delta deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/176:23 am -
1 stop4h 37m
Tue 11/2410:49 am -
1 stop6h 29m
Deal found 10/20![Delta logo]()
$239
This American Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/106:47 am -
Nonstop1h 35m
Sun 12/136:22 am -
Nonstop1h 47m
Deal found 10/21![American Airlines logo]()
$245
This American Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/126:59 pm -
Nonstop1h 37m
Sun 11/156:31 pm -
Nonstop1h 59m
Deal found 10/21![American Airlines logo]()
$246
This Delta deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/185:30 am -
1 stop5h 27m
Sat 1/912:53 pm -
1 stop4h 44m
Deal found 10/22![Delta logo]()
$251
This United Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/137:55 pm -
Nonstop1h 35m
Sun 11/157:00 am -
Nonstop1h 45m
Deal found 10/22![United Airlines logo]()
$257
Best flights from O'Hare Intl to LouisvilleDiscover carefully curated flight deals from O'Hare Intl to Louisville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 25, 2026.
Discover carefully curated flight deals from O'Hare Intl to Louisville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 25, 2026.
This United Airlines deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/2610:40 am -
Nonstop1h 46m
Tue 2/28:50 am -
Nonstop1h 45m
Deal found 10/20![United Airlines logo]()
$219
This Delta deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/267:10 am -
1 stop5h 39m
Tue 2/212:53 pm -
1 stop6h 39m
Deal found 10/20![Delta logo]()
$239
This United Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/106:59 am -
Nonstop1h 39m
Tue 11/102:10 pm -
Nonstop1h 45m
Deal found 10/22![United Airlines logo]()
$219
This Delta deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/216:20 am -
1 stop4h 40m
Mon 11/235:40 pm -
1 stop3h 37m
Deal found 10/21![Delta logo]()
$239
This United Airlines deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/147:55 pm -
Nonstop1h 35m
Mon 11/165:57 pm -
Nonstop1h 52m
Deal found 10/24![United Airlines logo]()
$225
This Delta deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/79:30 am -
1 stop4h 47m
Sat 1/910:15 am -
1 stop3h 22m
Deal found 10/21![Delta logo]()
$239
This Delta deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/141:30 pm -
1 stop7h 12m
Mon 11/163:14 pm -
1 stop4h 16m
Deal found 10/24![Delta logo]()
$245
This United Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/137:55 pm -
Nonstop1h 35m
Sun 11/157:00 am -
Nonstop1h 45m
Deal found 10/22![United Airlines logo]()
$257
This Delta deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/247:00 am -
1 stop3h 50m
Fri 12/2512:14 pm -
1 stop6h 15m
Deal found 10/22![Delta logo]()
$265
This Delta deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/118:04 am -
1 stop5h 00m
Mon 12/1412:50 pm -
1 stop7h 55m
Deal found 10/20![Delta logo]()
$270
This United Airlines deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/212:30 pm -
Nonstop1h 30m
Sat 11/2810:37 am -
Nonstop1h 43m
Deal found 10/24![United Airlines logo]()
$305
This Delta deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/225:30 am -
1 stop5h 26m
Sun 11/225:59 pm -
1 stop6h 55m
Deal found 10/22![Delta logo]()
$291
Last-minute flights from O'Hare Intl to LouisvilleDiscover last-minute flight deals from O'Hare Intl to Louisville. Data last updated October 25, 2026 and is based on user searches.
Discover last-minute flight deals from O'Hare Intl to Louisville. Data last updated October 25, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/126:59 am -
Nonstop1h 39m
Mon 11/1610:27 am -
Nonstop1h 45m
Deal found 10/23![United Airlines logo]()
$189
This United Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/122:30 pm -
Nonstop1h 32m
Sun 11/159:02 am -
Nonstop1h 43m
Deal found 10/22![United Airlines logo]()
$245
This American Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/126:59 pm -
Nonstop1h 37m
Sun 11/156:31 pm -
Nonstop1h 59m
Deal found 10/21![American Airlines logo]()
$246
This Delta deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/126:49 am -
1 stop4h 07m
Sun 11/157:50 am -
1 stop3h 49m
Deal found 10/21![Delta logo]()
$265
This United Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/137:55 pm -
Nonstop1h 35m
Sun 11/157:00 am -
Nonstop1h 45m
Deal found 10/22![United Airlines logo]()
$257
This Delta deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/135:30 am -
1 stop5h 26m
Sun 11/1510:40 am -
1 stop4h 19m
Deal found 10/22![Delta logo]()
$277
This United Airlines deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/147:55 pm -
Nonstop1h 35m
Mon 11/165:57 pm -
Nonstop1h 52m
Deal found 10/24![United Airlines logo]()
$225
This United Airlines deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/176:59 am -
Nonstop1h 39m
Mon 11/2310:27 am -
Nonstop1h 45m
Deal found 10/20![United Airlines logo]()
$219
This Delta deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/176:23 am -
1 stop4h 37m
Tue 11/2410:49 am -
1 stop6h 29m
Deal found 10/20![Delta logo]()
$239
This American Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/226:54 am -
Nonstop1h 34m
Sun 11/226:31 pm -
Nonstop1h 59m
Deal found 10/22![American Airlines logo]()
$271
One-way flights from O'Hare Intl to LouisvilleSearch for one-way flight options from O'Hare Intl to Louisville. Find affordable one-way fares based on user searches. Data last updated October 25, 2026.
Search for one-way flight options from O'Hare Intl to Louisville. Find affordable one-way fares based on user searches. Data last updated October 25, 2026.
This American Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/116:59 pm -
Nonstop1h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![American Airlines logo]()
$110
This United Airlines deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/257:55 pm -
Nonstop1h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![United Airlines logo]()
$113
This Delta deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/113:59 pm -
1 stop6h 14m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Delta logo]()
$120
This Delta deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/236:23 am -
1 stop4h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Delta logo]()
$123
This American Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/203:10 pm -
Nonstop1h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![American Airlines logo]()
$136
This Delta deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/205:25 am -
1 stop5h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Delta logo]()
$146
This Kiwi.com deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/66:07 am -
1 stop28h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Multiple Airlines logo]()
$152
This United Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1411:04 am -
Nonstop1h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![United Airlines logo]()
$155
This Kiwi.com deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/127:50 pm -
3 stops42h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![Multiple Airlines logo]()
$160
This Kiwi.com deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/117:35 pm -
2 stops23h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Multiple Airlines logo]()
$162
This United Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/116:20 pm -
Nonstop1h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![United Airlines logo]()
$167
Find flight deals from O'Hare Intl to Louisville
Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) to Louisville (SDF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $189 (United Airlines) |
One-way from | $110 (American Airlines) |
Popular in | June |
Cheapest in | December |
Average price | $423 |
Good round-trip deal | $282 or less |
Good one-way deal | $230 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from O'Hare Intl to Louisville that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 25, 2026.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Louisville that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
ChicagoLouisville
ORD Chicago O'Hare Intl - SDF Louisville Intl
ORDSDF
Chicago O'Hare Intl
Sat 1/30
10:40 am-1:26 pm
Nonstop1h 46m
Louisville Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$95
Quickest round-trip
ChicagoLouisville
ORD Chicago O'Hare Intl - SDF Louisville Intl
ORDSDF
Chicago O'Hare Intl
Sat 11/21
2:30 pm-5:00 pm
Nonstop1h 30m
Louisville Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$110
ChicagoLouisville
ORD Chicago O'Hare Intl - SDF Louisville Intl
ORDSDF
Chicago O'Hare Intl
Thu 11/12
6:59 am-9:38 am
Nonstop1h 39m
Louisville Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$110
ChicagoLouisville
ORD Chicago O'Hare Intl - SDF Louisville Intl
ORDSDF
Chicago O'Hare Intl
Mon 11/23
6:10 pm-8:52 pm
Nonstop1h 42m
Louisville Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$110
ChicagoLouisville
ORD Chicago O'Hare Intl - SDF Louisville Intl
ORDSDF
Chicago O'Hare Intl
Mon 11/9
3:59 pm-12:10 am
1 stop7h 11m
Louisville Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$120
ChicagoLouisville
ORD Chicago O'Hare Intl - SDF Louisville Intl
ORDSDF
Chicago O'Hare Intl
Sat 11/21
6:20 am-12:00 pm
1 stop4h 40m
Louisville Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$120
ChicagoLouisville
ORD Chicago O'Hare Intl - SDF Louisville Intl
ORDSDF
Chicago O'Hare Intl
Mon 11/23
5:42 pm-10:46 pm
1 stop4h 04m
Louisville Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$120
ChicagoLouisville
ORD Chicago O'Hare Intl - SDF Louisville Intl
ORDSDF
Chicago O'Hare Intl
Wed 11/11
6:23 am-12:00 pm
1 stop4h 37m
Louisville Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$120
ChicagoLouisville
ORD Chicago O'Hare Intl - SDF Louisville Intl
ORDSDF
Chicago O'Hare Intl
Tue 11/24
2:44 pm-9:13 pm
1 stop5h 29m
Louisville Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$120
ChicagoLouisville
ORD Chicago O'Hare Intl - SDF Louisville Intl
ORDSDF
Chicago O'Hare Intl
Wed 11/25
2:44 pm-9:13 pm
1 stop5h 29m
Louisville Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$123
Showing 1-10 of 23 resultsSorted by cheapest first
Compare providers for flights from O'Hare Intl to Louisville
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from O'Hare Intl to Louisville in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Chicago O'Hare Intl Airport-Louisville flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chicago O'Hare Intl Airport-Louisville flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Chicago O'Hare Intl Airport-Louisville flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Chicago O'Hare Intl Airport-Louisville flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chicago O'Hare Intl Airport-Louisville flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from O'Hare Intl to Louisville
Have a flexible travel schedule? Discover the best time to fly to Louisville from O'Hare Intl with our price prediction graph.
ORD-SDF
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Chicago O'Hare Intl Airport to Louisville
Prices
Airlines
How far ahead should I book a flight from Chicago O'Hare Intl Airport to Louisville?
The price you pay for your flight from Chicago O'Hare Intl Airport to Louisville may vary depending on when you book. For the best chance of a lower fare, look to book 32 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Louisville?
Currently, December is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Louisville (average of $280). Flying from Chicago O'Hare Intl Airport to Louisville in June is currently the most expensive (average of $510). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from ORD to SDF?
Find hourly flight availability from O'Hare Intl to Louisville. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 25, 2026.
It’s typically best to fly out from Chicago O'Hare Intl Airport to Louisville at noon. Doing so could potentially save you 23% on the flight price compared to flying in the afternoon, which is usually more expensive.
What is the cheapest day to fly from Chicago O'Hare Intl Airport to Louisville?
Use this chart to determine the cheapest time to fly round-trip from O'Hare Intl to Louisville. Price data was last updated on October 17, 2026.
Travelers seeking maximum savings on their Chicago O'Hare Intl Airport to Louisville flight should consider departing on Saturday afternoons when fares are most often at their lowest. Tuesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing Louisville
Get insights into the airlines that provide service to Louisville. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Louisville. Reviews last updated October 25, 2026.
See what other customers who have flown with United Airlines and American Airlines from Chicago O'Hare Intl Airport to Louisville have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.1
Comfort
7.3
Overall
7.3
Boarding
7.7
Entertainment
7.1
Food
6.7
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Crew
8.1
Comfort
7.3
Overall
7.3
Boarding
7.7
Entertainment
7.1
Food
6.7
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Crew
8.1
Comfort
7.3
Overall
7.3
Boarding
7.7
Entertainment
7.1
Food
6.7
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Related info for your journey
Find useful and relevant information for your journey from O'Hare Intl to Louisville. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Louisville?
Book flights to Louisville if you plan to visit one of these locationsShepherdsville
Elizabethtown
Jeffersonville
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Other flights to Louisville
Explore flights to Louisville departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 25, 2026.
O'Hare Intl and Louisville flights
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Other flights from O'Hare Intl
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Top 2 airlines flying from O'Hare Intl to Louisville
Discover the top 2 airlines that operate flights from O'Hare Intl to Louisville. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$157 | Average$490 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$197 | Average$360 | FlexibilityNo cancel fee | On-time71% |