$159+ Cheap flights from Newark (EWR) 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 12/4. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — SDF
Nov 18 — Nov 251
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 February or December, booked 53 days in advance, depart on a Thursday or Saturday and return on a Friday
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 October 19, 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 October 19, 2026.
This United Airlines deal was found by Cheapflights users on 10/14. 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 12/1010:50 am -
Nonstop2h 33m
Mon 12/142:05 pm -
Nonstop2h 13m
Deal found 10/14![United Airlines logo]()
$309
This United Airlines deal was found by Cheapflights users on 10/14. 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 11/236:00 pm -
Nonstop2h 34m
Fri 11/276:00 am -
Nonstop2h 16m
Deal found 10/14![United Airlines logo]()
$324
This United Airlines deal was found by Cheapflights users on 10/16. 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 11/196:00 pm -
Nonstop2h 34m
Mon 11/231:45 pm -
Nonstop2h 13m
Deal found 10/16![United Airlines logo]()
$339
This Delta deal was found by Cheapflights users on 10/15. 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.
Tue 11/1010:35 am -
1 stop6h 19m
Tue 11/178:05 am -
1 stop6h 11m
Deal found 10/15![Delta logo]()
$344
This United Airlines deal was found by Cheapflights users on 10/18. 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.
Sat 11/147:15 am -
1 stop6h 22m
Sun 11/225:40 am -
Nonstop2h 16m
Deal found 10/18![United Airlines logo]()
$349
This United Airlines deal was found by Cheapflights users on 10/16. 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.
Fri 11/133:17 pm -
Nonstop2h 20m
Fri 11/201:45 pm -
Nonstop2h 13m
Deal found 10/16![United Airlines logo]()
$350
This Delta deal was found by Cheapflights users on 10/15. 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.
Mon 11/93:21 pm -
1 stop5h 33m
Sat 11/215:59 pm -
1 stop6h 56m
Deal found 10/15![Delta logo]()
$354
This Delta deal was found by Cheapflights users on 10/18. 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.
Thu 12/310:35 am -
1 stop6h 18m
Sun 12/66:00 am -
1 stop4h 39m
Deal found 10/18![Delta logo]()
$359
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 October 19, 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 October 19, 2026.
This United Airlines deal was found by Cheapflights users on 10/19. 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 2/268:45 pm -
Nonstop2h 30m
Sun 2/286:30 am -
Nonstop2h 16m
Deal found 10/19![United Airlines logo]()
$339
This Delta deal was found by Cheapflights users on 10/14. 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 11/197:20 am -
1 stop4h 36m
Thu 11/268:05 am -
1 stop4h 25m
Deal found 10/14![Delta logo]()
$339
This United Airlines deal was found by Cheapflights users on 10/16. 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 3/3111:25 am -
1 stop5h 24m
Sun 4/46:30 am -
Nonstop2h 16m
Deal found 10/16![United Airlines logo]()
$349
This United Airlines deal was found by Cheapflights users on 10/14. 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 4/73:00 pm -
Nonstop2h 30m
Sat 4/109:00 am -
1 stop5h 09m
Deal found 10/14![United Airlines logo]()
$349
This Delta deal was found by Cheapflights users on 10/14. 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 11/188:20 am -
1 stop5h 55m
Tue 12/15:59 pm -
1 stop6h 58m
Deal found 10/14![Delta logo]()
$394
This United Airlines deal was found by Cheapflights users on 10/15. 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 11/236:00 pm -
Nonstop2h 34m
Fri 11/277:00 am -
1 stop5h 20m
Deal found 10/15![United Airlines logo]()
$349
This Delta deal was found by Cheapflights users on 10/19. 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 10/306:50 pm -
1 stop5h 09m
Mon 11/28:05 am -
1 stop4h 25m
Deal found 10/19![Delta logo]()
$434
This United Airlines deal was found by Cheapflights users on 10/16. 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.
Tue 11/2411:22 am -
1 stop5h 35m
Sat 11/285:40 am -
Nonstop2h 16m
Deal found 10/16![United Airlines logo]()
$404
This United Airlines deal was found by Cheapflights users on 10/17. 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.
Wed 11/253:30 pm -
1 stop5h 22m
Sat 11/285:40 am -
Nonstop2h 16m
Deal found 10/17![United Airlines logo]()
$419
This United Airlines deal was found by Cheapflights users on 10/16. 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.
Fri 11/203:17 pm -
Nonstop2h 20m
Fri 11/2711:17 am -
Nonstop2h 13m
Deal found 10/16![United Airlines logo]()
$439
This United Airlines deal was found by Cheapflights users on 10/17. 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.
Thu 12/312:37 pm -
1 stop8h 23m
Sun 12/68:45 am -
Nonstop2h 16m
Deal found 10/17![United Airlines logo]()
$449
Last-minute flights from Newark to LouisvilleDiscover last-minute flight deals from Newark to Louisville. Data last updated October 19, 2026 and is based on user searches.
Discover last-minute flight deals from Newark to Louisville. Data last updated October 19, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 10/15. 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.
Wed 11/410:16 am -
1 stop4h 31m
Sun 11/85:40 am -
Nonstop2h 16m
Deal found 10/15![United Airlines logo]()
$369
This Delta deal was found by Cheapflights users on 10/15. 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.
Mon 11/93:21 pm -
1 stop5h 33m
Sat 11/215:59 pm -
1 stop6h 56m
Deal found 10/15![Delta logo]()
$354
This Delta deal was found by Cheapflights users on 10/15. 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.
Tue 11/1010:35 am -
1 stop6h 19m
Tue 11/178:05 am -
1 stop6h 11m
Deal found 10/15![Delta logo]()
$344
This United Airlines deal was found by Cheapflights users on 10/16. 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.
Fri 11/133:17 pm -
Nonstop2h 20m
Fri 11/201:45 pm -
Nonstop2h 13m
Deal found 10/16![United Airlines logo]()
$350
This United Airlines deal was found by Cheapflights users on 10/18. 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.
Sat 11/147:15 am -
1 stop6h 22m
Sun 11/225:40 am -
Nonstop2h 16m
Deal found 10/18![United Airlines logo]()
$349
This Delta deal was found by Cheapflights users on 10/14. 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 11/187:20 am -
1 stop4h 36m
Thu 11/264:55 pm -
1 stop6h 29m
Deal found 10/14![Delta logo]()
$329
This Kiwi.com deal was found by Cheapflights users on 10/14. 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 11/1811:00 pm -
2 stops18h 36m
Thu 11/2612:06 pm -
1 stop9h 47m
Deal found 10/14![Multiple Airlines logo]()
$372
This United Airlines deal was found by Cheapflights users on 10/16. 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 11/196:00 pm -
Nonstop2h 34m
Mon 11/231:45 pm -
Nonstop2h 13m
Deal found 10/16![United Airlines logo]()
$339
This Kiwi.com deal was found by Cheapflights users on 10/16. 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.
Thu 11/196:00 am -
1 stop11h 36m
Wed 12/25:12 pm -
2 stops31h 17m
Deal found 10/16![Multiple Airlines logo]()
$363
This Delta deal was found by Cheapflights users on 10/16. 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.
Fri 11/204:44 pm -
1 stop4h 29m
Sun 11/226:00 am -
1 stop4h 38m
Deal found 10/16![Delta logo]()
$359
This United Airlines deal was found by Cheapflights users on 10/14. 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 11/236:00 pm -
Nonstop2h 34m
Fri 11/276:00 am -
Nonstop2h 16m
Deal found 10/14![United Airlines logo]()
$324
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 October 19, 2026.
Search for one-way flight options from Newark to Louisville. Find affordable one-way fares based on user searches. Data last updated October 19, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/16. 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.
Fri 12/410:24 pm -
2 stops18h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/16![Multiple Airlines logo]()
$159
This Kiwi.com deal was found by Cheapflights users on 10/17. 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 12/16:05 am -
2 stops34h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/17![Multiple Airlines logo]()
$176
This Kiwi.com deal was found by Cheapflights users on 10/16. 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.
Thu 12/39:55 am -
2 stops25h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/16![Allegiant Air logo]()
$185
This Kiwi.com deal was found by Cheapflights users on 10/15. 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.
Tue 11/176:00 am -
2 stops33h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/15![Multiple Airlines logo]()
$191
This Kiwi.com deal was found by Cheapflights users on 10/17. 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.
Thu 12/310:24 pm -
2 stops17h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/17![Multiple Airlines logo]()
$196
This Kiwi.com deal was found by Cheapflights users on 10/17. 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.
Thu 12/176:03 am -
2 stops27h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/17![Multiple Airlines logo]()
$203
This Kiwi.com deal was found by Cheapflights users on 10/19. 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 11/1011:35 am -
2 stops27h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![Multiple Airlines logo]()
$207
This United Airlines deal was found by Cheapflights users on 10/19. 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 11/136:00 pm -
Nonstop2h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![United Airlines logo]()
$209
This Kiwi.com deal was found by Cheapflights users on 10/15. 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 10/3111:35 am -
2 stops33h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/15![Multiple Airlines logo]()
$213
This Kiwi.com deal was found by Cheapflights users on 10/16. 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.
Fri 11/611:35 am -
2 stops27h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/16![Multiple Airlines logo]()
$215
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 October 19, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $309 (United Airlines) |
One-way from | $159 (Kiwi.com) |
Popular in | September |
Cheapest in | February |
Average price | $389 |
Good round-trip deal | $411 or less |
Good one-way deal | $278 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 October 19, 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
Quickest round-trip
NewarkLouisville
EWR Newark - SDF Louisville Intl
EWRSDF
Newark
Fri 11/27
3:17 pm-5:37 pm
Nonstop2h 20m
Louisville Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$259
NewarkLouisville
EWR Newark - SDF Louisville Intl
EWRSDF
Newark
Sun 12/6
9:25 pm-11:59 pm
Nonstop2h 34m
Louisville Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$259
NewarkLouisville
EWR Newark - SDF Louisville Intl
EWRSDF
Newark
Mon 1/11
9:09 pm-11:44 pm
Nonstop2h 35m
Louisville Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$289
NewarkLouisville
EWR Newark - SDF Louisville Intl
EWRSDF
Newark
Sat 12/19
9:23 pm-11:58 pm
Nonstop2h 35m
Louisville Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$290
NewarkLouisville
EWR Newark - SDF Louisville Intl
EWRSDF
Newark
Tue 10/27
6:55 am-12:10 pm
1 stop5h 15m
Louisville Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$314
NewarkLouisville
EWR Newark - SDF Louisville Intl
EWRSDF
Newark
Sat 11/7
8:56 pm-11:30 pm
Nonstop2h 34m
Louisville Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$339
NewarkLouisville
EWR Newark - SDF Louisville Intl
EWRSDF
Newark
Fri 11/6
8:56 pm-11:30 pm
Nonstop2h 34m
Louisville Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$339
NewarkLouisville
EWR Newark - SDF Louisville Intl
EWRSDF
Newark
Fri 2/26
8:45 pm-11:15 pm
Nonstop2h 30m
Louisville Intl
Sun 2/28
6:30 am-8:46 am
Nonstop2h 16m
$339
NewarkLouisville
EWR Newark - SDF Louisville Intl
EWRSDF
Newark
Thu 11/19
7:20 am-11:56 am
1 stop4h 36m
Louisville Intl
Thu 11/26
8:05 am-12:30 pm
1 stop4h 25m
$339
NewarkLouisville
EWR Newark - SDF Louisville Intl
EWRSDF
Newark
Sun 10/25
9:55 am-8:02 am
2 stops22h 07m
Louisville Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$345
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 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 | |
| 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, February is the cheapest month in which you can book a flight from Newark Airport to Louisville (average of $345). Flying from Newark Airport to Louisville in September is currently the most expensive (average of $580). 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 October 19, 2026.
Unlike in the morning, when flights are generally more expensive, you can save up to 50% 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 October 19, 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
Food
7.2
Comfort
7.8
Entertainment
7.8
Overall
7.8
Boarding
8.1
Reviews
1 / 20
2.0
MediocreBarney,May 2026
JFK - ATL
Crew
8.5
Food
7.2
Comfort
7.8
Entertainment
7.8
Overall
7.8
Boarding
8.1
Reviews
1 / 20
2.0
MediocreBarney,May 2026
JFK - ATL
Crew
8.5
Food
7.2
Comfort
7.8
Entertainment
7.8
Overall
7.8
Boarding
8.1
Reviews
1 / 20
2.0
MediocreBarney,May 2026
JFK - ATL
Crew
8.5
Food
7.2
Comfort
7.8
Entertainment
7.8
Overall
7.8
Boarding
8.1
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 locationsShepherdsville
Elizabethtown
Jeffersonville
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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 October 19, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$221 | Average$402 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$228 | Average$408 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$248 | Average$386 | FlexibilityNo cancel fee | On-time71% |