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$139+ 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 8/21. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — SDF
Sep 1 — Sep 81
Tue 9/1
Tue 9/8
1 adult, Economy
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Cheapflights Tip: The best prices from Newark to Louisville Intl are usually found in August or December, booked 53 days in advance, depart on a Saturday or Thursday and return on a Saturday

Cheap flight deals from Newark to Louisville

Cheapest flights from Newark to Louisville
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 2, 2026.

This United Airlines deal was found by Cheapflights users on 7/31. 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
EWR
-
SDF
Nonstop2h 28m
United Airlines
Tue 9/226:15 am
SDF
-
EWR
Nonstop2h 13m
United Airlines
Deal found 7/31$249
This United Airlines deal was found by Cheapflights users on 8/1. 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 8/2510:00 am
EWR
-
SDF
Nonstop2h 22m
United Airlines
Tue 9/16:15 am
SDF
-
EWR
Nonstop2h 13m
United Airlines
Deal found 8/1$264
This United Airlines deal was found by Cheapflights users on 7/30. 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 9/110:00 am
EWR
-
SDF
Nonstop2h 22m
United Airlines
Tue 9/810:40 am
SDF
-
EWR
Nonstop2h 16m
United Airlines
Deal found 7/30$269
This United Airlines deal was found by Cheapflights users on 7/29. 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 8/278:33 pm
EWR
-
SDF
Nonstop2h 26m
United Airlines
Mon 8/316:15 am
SDF
-
EWR
Nonstop2h 13m
United Airlines
Deal found 7/29$274
This United Airlines deal was found by Cheapflights users on 7/30. 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 8/2210:00 am
EWR
-
SDF
Nonstop2h 22m
United Airlines
Mon 8/2411:00 am
SDF
-
EWR
Nonstop2h 16m
United Airlines
Deal found 7/30$279
This United Airlines deal was found by Cheapflights users on 8/2. 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 11/1910:16 am
EWR
-
SDF
1 stop4h 31m
United Airlines
Mon 11/235:15 am
SDF
-
EWR
1 stop4h 53m
United Airlines
Deal found 8/2$283
This American Airlines deal was found by Cheapflights users on 7/29. 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 11/36:45 am
EWR
-
SDF
1 stop5h 58m
American Airlines
Sat 11/71:32 pm
SDF
-
EWR
1 stop7h 50m
American Airlines
Deal found 7/29$284
This Delta deal was found by Cheapflights users on 7/30. 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 12/47:00 pm
EWR
-
SDF
1 stop5h 05m
Delta
Sun 12/68:05 am
SDF
-
EWR
1 stop7h 42m
Delta
Deal found 7/30$289
This United Airlines deal was found by Cheapflights users on 7/31. 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 9/188:33 pm
EWR
-
SDF
Nonstop2h 26m
United Airlines
Mon 9/2110:05 am
SDF
-
EWR
1 stop6h 25m
United Airlines
Deal found 7/31$299
This Delta deal was found by Cheapflights users on 7/29. 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 9/44:29 pm
EWR
-
SDF
1 stop8h 05m
Delta
Tue 9/83:43 pm
SDF
-
EWR
1 stop5h 14m
Delta
Deal found 7/29$304

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 2, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$249
(United Airlines)

One-way from

$139
(Kiwi.com)

Popular in

June

Cheapest in

August

Average price

$319

Good round-trip deal

$319 or less

Good one-way deal

$268 or less
Provider with most accurate pricing for Newark-Louisville Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Newark-Louisville Intl flights.
Search Deals
From Newark to Louisville Intl
Search Deals
One-way flight from Newark to Louisville Intl
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($54 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
Search Deals
Price to beat on a round-trip flight from Newark to Louisville Intl.
Search Deals
Price to beat on a one-way flight from Newark to Louisville Intl.
Search Deals

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 2,558,603 searches. Data last updated August 2, 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

Price

Cheapest round-trip

NewarkLouisville

EWR - SDF

EWRSDF

Newark

Fri 9/4

8:33 pm-10:59 pm

Nonstop2h 26m

Louisville Intl

Tue 9/8

10:05 am-2:04 pm

1 stop3h 59m

$279

NewarkLouisville

EWR - SDF

EWRSDF

Newark

Tue 10/13

3:20 pm-5:40 pm

Nonstop2h 20m

Louisville Intl

Tue 10/20

10:25 am-5:00 pm

1 stop6h 35m

$279

NewarkLouisville

EWR - SDF

EWRSDF

Newark

Tue 9/1

9:15 am-4:38 pm

1 stop7h 23m

Louisville Intl

Tue 9/8

1:07 pm-3:23 pm

Nonstop2h 16m

$279

NewarkLouisville

EWR - SDF

EWRSDF

Newark

Tue 8/25

5:45 pm-8:13 pm

Nonstop2h 28m

Louisville Intl

Tue 9/1

1:08 pm-3:24 pm

Nonstop2h 16m

$284

NewarkLouisville

EWR - SDF

EWRSDF

Newark

Thu 8/20

8:33 pm-10:59 pm

Nonstop2h 26m

Louisville Intl

Sat 8/22

7:10 am-11:58 am

1 stop4h 48m

$329

NewarkLouisville

EWR - SDF

EWRSDF

Newark

Fri 8/28

6:59 pm-12:34 am

1 stop5h 35m

Louisville Intl

Sun 8/30

6:00 am-10:29 am

1 stop4h 29m

$334

NewarkLouisville

EWR - SDF

EWRSDF

Newark

Fri 8/28

5:45 pm-8:13 pm

Nonstop2h 28m

Louisville Intl

Fri 9/4

11:00 am-1:16 pm

Nonstop2h 16m

$344

NewarkLouisville

EWR - SDF

EWRSDF

Newark

Thu 8/20

1:23 pm-7:30 pm

1 stop6h 07m

Louisville Intl

Sun 8/23

6:00 am-10:29 am

1 stop4h 29m

$349

NewarkLouisville

EWR - SDF

EWRSDF

Newark

Thu 8/13

5:45 pm-8:13 pm

Nonstop2h 28m

Louisville Intl

Sun 8/16

6:15 am-8:28 am

Nonstop2h 13m

$354
Quickest round-trip

NewarkLouisville

EWR - SDF

EWRSDF

Newark

Sun 8/23

10:00 am-12:22 pm

Nonstop2h 22m

Louisville Intl

Mon 8/31

11:00 am-1:16 pm

Nonstop2h 16m

$354

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Showing 1-10 of 22 resultsSorted by cheapest first
1
2
3

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.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • 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.
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

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, August is the cheapest month in which you can book a flight from Newark Airport to Louisville (average of $319). 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 2, 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.

How much does it cost to fly round-trip from Newark Airport to Louisville?

Airfare is below average for this route at the moment.

Newark Airport to Louisville flights typically cost between $270 and $409 in September.
The cheapest round-trip price found within the last 5 days was $249 on United Airlines (Sep 18-Sep 22).

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 2, 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.
Delta
7.8
Good
8,493 reviews

Overall

7.8

Boarding

8.1

Comfort

7.8

Food

7.2

Crew

8.5

Entertainment

7.8

Reviews

1 / 20
2.0
Mediocre

Barney,May 2026

JFK - ATL

Terrible flight. Late, reduced beverage service, lack of headphones, entertainment service didn't work
Delta
7.8
Good
8,493 reviews
Delta
7.8
Good
8,493 reviews

Overall

7.8

Boarding

8.1

Comfort

7.8

Food

7.2

Crew

8.5

Entertainment

7.8

Reviews

1 / 20
2.0
Mediocre

Barney,May 2026

JFK - ATL

Terrible flight. Late, reduced beverage service, lack of headphones, entertainment service didn't work
United Airlines
7.4
Good
10,061 reviews
Delta
7.8
Good
8,493 reviews

Overall

7.8

Boarding

8.1

Comfort

7.8

Food

7.2

Crew

8.5

Entertainment

7.8

Reviews

1 / 20
2.0
Mediocre

Barney,May 2026

JFK - ATL

Terrible flight. Late, reduced beverage service, lack of headphones, entertainment service didn't work
American Airlines
7.1
Good
11,846 reviews
Delta
7.8
Good
8,493 reviews

Overall

7.8

Boarding

8.1

Comfort

7.8

Food

7.2

Crew

8.5

Entertainment

7.8

Reviews

1 / 20
2.0
Mediocre

Barney,May 2026

JFK - ATL

Terrible flight. Late, reduced beverage service, lack of headphones, entertainment service didn't work

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.

  • What airport do you fly into for flights to Louisville from Newark?

    For a flight from Newark to Louisville, you will be flying into Louisville Intl. Louisville Intl (SDF) is just 5.3 mi from the center of the city. Louisville Intl is the only Louisville airport and it handles 4 inbound flights from Newark per day. 3 airlines have flights to Louisville Intl from Newark on a regular basis.

  • How long is the flight from Newark Airport to Louisville?

    United Airlines can get you from Newark Airport to Louisville in just under 2h 26m. Your travel time will be generally consistent. There are 640 mi between Newark Airport and Louisville. All flights are typically nonstop.

  • What are the cheapest airlines flying from Newark Airport to Louisville round-trip?

    Flying on American Airlines is currently your cheapest option to Louisville, with prices starting at $203. Additional round-trip tickets that might be worth considering are offered by United Airlines and Delta, with the lowest prices starting at $214 and $228, respectively. American Airlines is 47% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the most reliable airlines from Newark Airport to Louisville?

    No one likes to see their flight delayed. When booking a flight from Newark Airport to Louisville consider choosing Air Canada (71%), United Airlines (69%) or Republic Airways (69%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Newark Airport to Louisville?

    On average you can expect to pay $357 for a flight from Newark Airport to Louisville. The cheapest flight overall is $213 while the most popular route, (Newark - Louisville Intl) is currently priced at $249.

  • Can I find deals for flights from Newark to Louisville that include hotel bookings?

    Yes. In addition to deals on Newark to Louisville flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Newark to Louisville?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Newark to Louisville.

  • Can I find deals for business class flights from Newark to Louisville?

    Yes. Cheapflights offers flight deals from Newark to Louisville by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Newark Airport to Louisville?

    Currently, August is the cheapest month in which you can book a flight from Newark Airport to Louisville (average of $319). 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.

See more FAQs

Traveling to a place near Louisville?

Book flights to Louisville if you plan to visit one of these locations
Corydon
Shepherdsville
Elizabethtown
Jeffersonville
Bardstown

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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 2,558,603 searches. Data last updated August 2, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$203Average$338FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$214Average$376FlexibilityNo cancel feeOn-time69%
DeltaCheapest$228Average$348FlexibilityNo cancel feeOn-timeN/A

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