$136+ Cheap flights from Newark (EWR) to Louisville (SDF)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/29. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — SDF
Sep 19 — Sep 261
Round-trip
1 adult, Economy
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Find cheap flights from Newark 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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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 Newark to Louisville Intl are usually found in October or August, booked 53 days in advance, depart on a Saturday or Thursday and return on a Saturday
Cheap flight deals from Newark to Louisville
Cheapest
Best
Last-minute
One-way
Cheapest flights from Newark to LouisvilleExplore the most affordable flight options available from Newark to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 20, 2026.
Explore the most affordable flight options available from Newark to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 20, 2026.
This United Airlines deal was found by Cheapflights users on 8/19. 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 10/710:23 am -
Nonstop2h 16m
Sat 10/106:30 pm -
Nonstop2h 21m
Deal found 8/19![United Airlines logo]()
$249
This United Airlines deal was found by Cheapflights users on 8/19. 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 9/196:00 am -
1 stop7h 11m
Sat 9/266:30 pm -
Nonstop2h 21m
Deal found 8/19![United Airlines logo]()
$259
This United Airlines deal was found by Cheapflights users on 8/18. 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.
Mon 9/218:33 pm -
Nonstop2h 26m
Sat 9/266:30 pm -
Nonstop2h 21m
Deal found 8/18![United Airlines logo]()
$262
This United Airlines deal was found by Cheapflights users on 8/16. 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 9/108:33 pm -
Nonstop2h 26m
Tue 9/1510:45 am -
Nonstop2h 16m
Deal found 8/16![United Airlines logo]()
$264
This Delta deal was found by Cheapflights users on 8/17. 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 9/301:00 pm -
1 stop4h 19m
Sat 10/36:00 pm -
1 stop5h 57m
Deal found 8/17![Delta logo]()
$269
This United Airlines deal was found by Cheapflights users on 8/18. 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 10/235:45 pm -
Nonstop2h 28m
Sun 10/256:00 am -
1 stop4h 02m
Deal found 8/18![United Airlines logo]()
$271
This United Airlines deal was found by Cheapflights users on 8/16. 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 10/229:15 pm -
Nonstop2h 26m
Sun 10/256:00 am -
1 stop4h 02m
Deal found 8/16![United Airlines logo]()
$275
This United Airlines deal was found by Cheapflights users on 8/17. 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 9/128:33 pm -
Nonstop2h 26m
Mon 9/146:10 pm -
Nonstop2h 18m
Deal found 8/17![United Airlines logo]()
$279
This United Airlines deal was found by Cheapflights users on 8/19. 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 10/301:29 pm -
1 stop5h 03m
Sun 11/16:00 am -
1 stop4h 02m
Deal found 8/19![United Airlines logo]()
$281
This American Airlines deal was found by Cheapflights users on 8/17. 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.
Tue 9/1510:44 am -
1 stop6h 45m
Wed 9/307:03 am -
1 stop6h 27m
Deal found 8/17![American Airlines logo]()
$284
This United Airlines deal was found by Cheapflights users on 8/15. 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.
Mon 9/148:33 pm -
Nonstop2h 26m
Mon 9/216:15 am -
Nonstop2h 13m
Deal found 8/15![United Airlines logo]()
$285
Best flights from Newark to LouisvilleDiscover carefully curated flight deals from Newark to Louisville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 20, 2026.
Discover carefully curated flight deals from Newark to Louisville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 20, 2026.
This United Airlines deal was found by Cheapflights users on 8/19. 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 10/3012:25 pm -
1 stop6h 07m
Sun 11/16:18 pm -
Nonstop2h 25m
Deal found 8/19![United Airlines logo]()
$259
This Delta deal was found by Cheapflights users on 8/15. 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 9/267:00 am -
1 stop5h 25m
Wed 9/302:47 pm -
1 stop4h 43m
Deal found 8/15![Delta logo]()
$269
This Delta deal was found by Cheapflights users on 8/16. 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 12/36:00 am -
1 stop5h 56m
Mon 12/75:59 pm -
1 stop6h 58m
Deal found 8/16![Delta logo]()
$269
This Delta deal was found by Cheapflights users on 8/19. 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 1/157:00 am -
1 stop6h 49m
Mon 1/1812:53 pm -
1 stop4h 47m
Deal found 8/19![Delta logo]()
$269
This United Airlines deal was found by Cheapflights users on 8/17. 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 9/253:20 pm -
Nonstop2h 20m
Sun 9/276:15 am -
Nonstop2h 13m
Deal found 8/17![United Airlines logo]()
$299
This United Airlines deal was found by Cheapflights users on 8/16. 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 11/118:56 pm -
Nonstop2h 34m
Sat 11/149:55 am -
1 stop4h 05m
Deal found 8/16![United Airlines logo]()
$339
This Delta deal was found by Cheapflights users on 8/18. 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 9/21:00 pm -
1 stop4h 19m
Sat 9/53:25 pm -
1 stop5h 29m
Deal found 8/18![Delta logo]()
$339
This United Airlines deal was found by Cheapflights users on 8/19. 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 9/185:45 pm -
Nonstop2h 28m
Sun 9/206:00 am -
1 stop3h 59m
Deal found 8/19![United Airlines logo]()
$339
This United Airlines deal was found by Cheapflights users on 8/19. 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 9/195:41 pm -
Nonstop2h 28m
Thu 9/246:00 am -
1 stop3h 57m
Deal found 8/19![United Airlines logo]()
$339
This Delta deal was found by Cheapflights users on 8/17. 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 8/2912:00 pm -
1 stop5h 00m
Sat 9/128:09 am -
1 stop7h 14m
Deal found 8/17![Delta logo]()
$354
This United Airlines deal was found by Cheapflights users on 8/19. 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 9/111:06 pm -
1 stop7h 01m
Sun 9/136:15 am -
Nonstop2h 13m
Deal found 8/19![United Airlines logo]()
$369
This United Airlines deal was found by Cheapflights users on 8/16. 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 9/26:00 am -
1 stop7h 11m
Sun 9/66:15 am -
Nonstop2h 13m
Deal found 8/16![United Airlines logo]()
$389
Last-minute flights from Newark to LouisvilleDiscover last-minute flight deals from Newark to Louisville. Data last updated August 20, 2026 and is based on user searches.
Discover last-minute flight deals from Newark to Louisville. Data last updated August 20, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 8/15. 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 9/48:33 pm -
Nonstop2h 26m
Tue 9/86:10 pm -
Nonstop2h 18m
Deal found 8/15![United Airlines logo]()
$299
This United Airlines deal was found by Cheapflights users on 8/16. 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 9/108:33 pm -
Nonstop2h 26m
Tue 9/1510:45 am -
Nonstop2h 16m
Deal found 8/16![United Airlines logo]()
$264
This United Airlines deal was found by Cheapflights users on 8/17. 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 9/1110:00 am -
1 stop4h 37m
Sun 9/136:15 am -
Nonstop2h 13m
Deal found 8/17![United Airlines logo]()
$289
This United Airlines deal was found by Cheapflights users on 8/17. 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 9/128:33 pm -
Nonstop2h 26m
Mon 9/146:10 pm -
Nonstop2h 18m
Deal found 8/17![United Airlines logo]()
$279
This United Airlines deal was found by Cheapflights users on 8/15. 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.
Mon 9/148:33 pm -
Nonstop2h 26m
Mon 9/216:15 am -
Nonstop2h 13m
Deal found 8/15![United Airlines logo]()
$285
This American Airlines deal was found by Cheapflights users on 8/17. 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.
Tue 9/1510:44 am -
1 stop6h 45m
Wed 9/307:03 am -
1 stop6h 27m
Deal found 8/17![American Airlines logo]()
$284
This United Airlines deal was found by Cheapflights users on 8/17. 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 9/185:45 pm -
Nonstop2h 28m
Sun 9/206:15 am -
Nonstop2h 13m
Deal found 8/17![United Airlines logo]()
$249
This United Airlines deal was found by Cheapflights users on 8/19. 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 9/196:00 am -
1 stop7h 11m
Sat 9/266:30 pm -
Nonstop2h 21m
Deal found 8/19![United Airlines logo]()
$259
This United Airlines deal was found by Cheapflights users on 8/18. 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.
Mon 9/218:33 pm -
Nonstop2h 26m
Sat 9/266:30 pm -
Nonstop2h 21m
Deal found 8/18![United Airlines logo]()
$262
This United Airlines deal was found by Cheapflights users on 8/19. 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 9/249:15 pm -
Nonstop2h 26m
Sat 9/266:16 pm -
1 stop6h 41m
Deal found 8/19![United Airlines logo]()
$295
This Delta deal was found by Cheapflights users on 8/17. 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 9/301:00 pm -
1 stop4h 19m
Sat 10/36:00 pm -
1 stop5h 57m
Deal found 8/17![Delta logo]()
$269
One-way flights from Newark to LouisvilleSearch for one-way flight options from Newark to Louisville. Find affordable one-way fares based on user searches. Data last updated August 20, 2026.
Search for one-way flight options from Newark to Louisville. Find affordable one-way fares based on user searches. Data last updated August 20, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/18. 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.
Tue 9/295:55 am -
2 stops38h 36m
Deal found 8/18![Multiple Airlines logo]()
$136
This Kiwi.com deal was found by Cheapflights users on 8/18. 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.
Tue 9/110:29 pm -
2 stops15h 47m
Deal found 8/18![Multiple Airlines logo]()
$137
This Kiwi.com deal was found by Cheapflights users on 8/15. 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 9/305:55 am -
2 stops14h 36m
Deal found 8/15![Multiple Airlines logo]()
$141
This Kiwi.com deal was found by Cheapflights users on 8/15. 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.
Fri 9/410:29 pm -
2 stops21h 37m
Deal found 8/15![Multiple Airlines logo]()
$144
This Kiwi.com deal was found by Cheapflights users on 8/19. 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.
Tue 10/135:55 am -
2 stops38h 36m
Deal found 8/19![Multiple Airlines logo]()
$146
This Kiwi.com deal was found by Cheapflights users on 8/17. 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.
Sat 9/511:30 am -
2 stops8h 36m
Deal found 8/17![Multiple Airlines logo]()
$149
This Kiwi.com deal was found by Cheapflights users on 8/17. 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.
Tue 9/155:55 am -
2 stops28h 16m
Deal found 8/17![Multiple Airlines logo]()
$150
This Kiwi.com deal was found by Cheapflights users on 8/15. 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.
Sat 10/175:55 am -
2 stops14h 36m
Deal found 8/15![Multiple Airlines logo]()
$163
This Kiwi.com deal was found by Cheapflights users on 8/16. 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.
Sat 9/2611:35 am -
2 stops32h 54m
Deal found 8/16![Multiple Airlines logo]()
$165
This Kiwi.com deal was found by Cheapflights users on 8/15. 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 10/110:29 pm -
2 stops36h 32m
Deal found 8/15![Multiple Airlines logo]()
$170
Find flight deals from Newark to Louisville
Discover tips and strategies to find the most affordable flight options for your journey from Newark (EWR) 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 August 20, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $249 (United Airlines) |
One-way from | $136 (Kiwi.com) |
Popular in | June |
Cheapest in | October |
Average price | $325 |
Good round-trip deal | $325 or less |
Good one-way deal | $313 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Newark 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 August 20, 2026.
Use the filters below to find and compare flights from Newark Airport to Louisville that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
NewarkLouisville
EWR Newark - SDF Louisville Intl
EWRSDF
Newark
Fri 10/30
12:25 pm-6:32 pm
1 stop6h 07m
Louisville Intl
Sun 11/1
6:18 pm-8:43 pm
Nonstop2h 25m
$259
NewarkLouisville
EWR Newark - SDF Louisville Intl
EWRSDF
Newark
Sat 9/26
7:00 am-12:25 pm
1 stop5h 25m
Louisville Intl
Wed 9/30
2:47 pm-7:30 pm
1 stop4h 43m
$269
NewarkLouisville
EWR Newark - SDF Louisville Intl
EWRSDF
Newark
Thu 12/3
6:00 am-11:56 am
1 stop5h 56m
Louisville Intl
Mon 12/7
5:59 pm-12:57 am
1 stop6h 58m
$269
NewarkLouisville
EWR Newark - SDF Louisville Intl
EWRSDF
Newark
Fri 1/15
7:00 am-1:49 pm
1 stop6h 49m
Louisville Intl
Mon 1/18
12:53 pm-5:40 pm
1 stop4h 47m
$269
Quickest round-trip
NewarkLouisville
EWR Newark - SDF Louisville Intl
EWRSDF
Newark
Fri 9/25
3:20 pm-5:40 pm
Nonstop2h 20m
Louisville Intl
Sun 9/27
6:15 am-8:28 am
Nonstop2h 13m
$299
NewarkLouisville
EWR Newark - SDF Louisville Intl
EWRSDF
Newark
Wed 11/11
8:56 pm-11:30 pm
Nonstop2h 34m
Louisville Intl
Sat 11/14
9:55 am-2:00 pm
1 stop4h 05m
$339
NewarkLouisville
EWR Newark - SDF Louisville Intl
EWRSDF
Newark
Wed 9/2
1:00 pm-5:19 pm
1 stop4h 19m
Louisville Intl
Sat 9/5
3:25 pm-8:54 pm
1 stop5h 29m
$339
NewarkLouisville
EWR Newark - SDF Louisville Intl
EWRSDF
Newark
Fri 9/18
5:45 pm-8:13 pm
Nonstop2h 28m
Louisville Intl
Sun 9/20
6:00 am-9:59 am
1 stop3h 59m
$339
NewarkLouisville
EWR Newark - SDF Louisville Intl
EWRSDF
Newark
Sat 9/19
5:41 pm-8:09 pm
Nonstop2h 28m
Louisville Intl
Thu 9/24
6:00 am-9:57 am
1 stop3h 57m
$339
NewarkLouisville
EWR Newark - SDF Louisville Intl
EWRSDF
Newark
Sat 8/29
12:00 pm-5:00 pm
1 stop5h 00m
Louisville Intl
Sat 9/12
8:09 am-3:23 pm
1 stop7h 14m
$354
Showing 1-10 of 20 resultsSorted by cheapest first
Compare providers for flights from Newark 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 Newark to Louisville in August.
| 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 | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Newark Airport-Louisville flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Newark Airport-Louisville flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Newark Airport-Louisville flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Newark 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 Newark 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 Newark to Louisville
Have a flexible travel schedule? Discover the best time to fly to Louisville from Newark with our price prediction graph.
EWR-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 Newark Airport to Louisville
Prices
Airlines
How far ahead should I book a flight from Newark Airport to Louisville?
Booking 52 days in advance of your planned departure date is, on average, the best time to get cheap flights from Newark Airport to Louisville. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Newark Airport to Louisville?
Currently, October is the cheapest month in which you can book a flight from Newark Airport to Louisville (average of $314). Flying from Newark Airport to Louisville in June is currently the most expensive (average of $529). 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 EWR to SDF?
Find hourly flight availability from Newark 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 August 20, 2026.
Unlike in the morning, when flights are generally more expensive, you can save up to 46% on flights from Newark Airport to Louisville by exploring options for tickets at noon.
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 August 20, 2026.
Get a feel of what it's like to fly with Delta,United Airlines, andAmerican Airlines from Newark Airport to Louisville by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.5
Entertainment
7.8
Boarding
8.1
Comfort
7.8
Food
7.2
Overall
7.8
Reviews
1 / 20
2.0
MediocreBarney,May 2026
JFK - ATL
Crew
8.5
Entertainment
7.8
Boarding
8.1
Comfort
7.8
Food
7.2
Overall
7.8
Reviews
1 / 20
2.0
MediocreBarney,May 2026
JFK - ATL
Crew
8.5
Entertainment
7.8
Boarding
8.1
Comfort
7.8
Food
7.2
Overall
7.8
Reviews
1 / 20
2.0
MediocreBarney,May 2026
JFK - ATL
Crew
8.5
Entertainment
7.8
Boarding
8.1
Comfort
7.8
Food
7.2
Overall
7.8
Reviews
1 / 20
2.0
MediocreBarney,May 2026
JFK - ATL
Related info for your journey
Find useful and relevant information for your journey from Newark 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 locationsCorydon
Shepherdsville
Elizabethtown
Jeffersonville
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Alternative routes for Newark to Louisville
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Complete your trip
Complete your trip to Louisville by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Newark to Louisville by cabin class
Find flights from Newark to Louisville, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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 August 20, 2026.
Newark and Louisville flights
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Other flights from Newark
Browse through other flights departing from Newark. Flights are based on user searches made on Cheapflights and were last updated on August 20, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 3 airlines flying from Newark to Louisville
Discover the top 3 airlines that operate flights from Newark 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 August 20, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$203 | Average$376 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$214 | Average$379 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$228 | Average$348 | FlexibilityNo cancel fee | On-timeN/A |