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$64+ 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 5/3. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — SDF
May 26 — Jun 21
Tue 5/26
Tue 6/2
1 adult, Economy
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Find cheap flights from Newark to Louisville with Cheapflights

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Cheapflights Tip: The best prices from Newark to Louisville Intl are usually found in August or July, booked 66 days in advance, depart on a Saturday or Friday 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 April 26, 2026.

This Cheapflightsfares deal was found by Cheapflights users on 4/22. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/136:00 am
EWR
-
SDF
1 stop8h 51m
Spirit Airlines
Fri 7/173:46 pm
SDF
-
EWR
1 stop7h 36m
Spirit Airlines
Deal found 4/22$253
This Kiwi.com deal was found by Cheapflights users on 4/23. 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.
Wed 5/137:55 pm
EWR
-
SDF
1 stop13h 33m
Multiple Airlines
Sun 5/176:55 pm
SDF
-
EWR
2 stops38h 04m
Multiple Airlines
Deal found 4/23$254
This Kiwi.com deal was found by Cheapflights users on 4/25. 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 5/167:55 pm
EWR
-
SDF
1 stop13h 33m
Spirit Airlines
Sun 5/3110:33 am
SDF
-
EWR
1 stop22h 31m
Spirit Airlines
Deal found 4/25$255
This Kiwi.com deal was found by Cheapflights users on 4/23. 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.
Mon 5/186:00 am
EWR
-
SDF
1 stop12h 58m
Multiple Airlines
Wed 5/208:06 pm
SDF
-
EWR
1 stop24h 15m
Multiple Airlines
Deal found 4/23$256
This Kiwi.com deal was found by Cheapflights users on 4/23. 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.
Tue 5/1910:29 pm
EWR
-
SDF
2 stops13h 05m
Multiple Airlines
Sat 5/238:06 pm
SDF
-
EWR
1 stop24h 15m
Multiple Airlines
Deal found 4/23$257
This Kiwi.com deal was found by Cheapflights users on 4/23. 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.
Tue 5/262:57 pm
EWR
-
SDF
1 stop20h 37m
Multiple Airlines
Thu 5/282:27 pm
SDF
-
EWR
1 stop5h 54m
Multiple Airlines
Deal found 4/23$258
This United Airlines deal was found by Cheapflights users on 4/22. 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 7/236:00 am
EWR
-
SDF
1 stop4h 23m
United Airlines
Sun 7/266:00 am
SDF
-
EWR
1 stop3h 51m
United Airlines
Deal found 4/22$259
This Kiwi.com deal was found by Cheapflights users on 4/24. 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.
Thu 5/142:57 pm
EWR
-
SDF
1 stop18h 31m
Multiple Airlines
Fri 5/157:48 pm
SDF
-
EWR
1 stop13h 11m
Multiple Airlines
Deal found 4/24$261
This Kiwi.com deal was found by Cheapflights users on 4/23. 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.
Tue 5/1910:29 pm
EWR
-
SDF
2 stops13h 05m
Multiple Airlines
Sun 5/2410:33 am
SDF
-
EWR
1 stop7h 14m
Multiple Airlines
Deal found 4/23$262
This Kiwi.com deal was found by Cheapflights users on 4/24. 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 5/106:00 am
EWR
-
SDF
1 stop27h 28m
Multiple Airlines
Wed 5/138:06 pm
SDF
-
EWR
2 stops21h 41m
Multiple Airlines
Deal found 4/24$264
This Kiwi.com deal was found by Cheapflights users on 4/23. 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.
Wed 5/207:55 pm
EWR
-
SDF
1 stop13h 33m
Spirit Airlines
Fri 5/2210:33 am
SDF
-
EWR
1 stop7h 14m
Spirit Airlines
Deal found 4/23$265
This Kiwi.com deal was found by Cheapflights users on 4/25. 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 5/176:00 am
EWR
-
SDF
1 stop27h 28m
Spirit Airlines
Fri 5/2910:33 am
SDF
-
EWR
1 stop7h 14m
Spirit Airlines
Deal found 4/25$266

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 April 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$253
(Cheapflightsfares)

One-way from

$64
(Cheapflightsfares)

Popular in

March

Cheapest in

August

Average price

$362

Good round-trip deal

$339 or less

Good one-way deal

$288 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. 14% potential increase in price ($60 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 April 26, 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

Sat 7/25

6:00 am-10:23 am

1 stop4h 23m

Louisville Intl

Wed 7/29

5:20 am-10:30 am

1 stop5h 10m

$259

NewarkLouisville

EWR - SDF

EWRSDF

Newark

Thu 7/23

8:25 pm-10:50 pm

Nonstop2h 25m

Louisville Intl

Sun 7/26

6:30 am-8:38 am

Nonstop2h 08m

$264

NewarkLouisville

EWR - SDF

EWRSDF

Newark

Mon 6/15

6:00 pm-8:25 pm

Nonstop2h 25m

Louisville Intl

Mon 6/22

6:30 am-8:38 am

Nonstop2h 08m

$298

NewarkLouisville

EWR - SDF

EWRSDF

Newark

Sat 7/25

8:25 pm-10:50 pm

Nonstop2h 25m

Louisville Intl

Tue 7/28

6:30 am-8:38 am

Nonstop2h 08m

$319

NewarkLouisville

EWR - SDF

EWRSDF

Newark

Sat 6/27

6:00 am-11:53 am

1 stop5h 53m

Louisville Intl

Tue 6/30

8:10 am-3:24 pm

1 stop7h 14m

$329

NewarkLouisville

EWR - SDF

EWRSDF

Newark

Sat 5/23

3:08 pm-7:18 pm

1 stop4h 10m

Louisville Intl

Sun 5/24

6:30 am-8:38 am

Nonstop2h 08m

$329

NewarkLouisville

EWR - SDF

EWRSDF

Newark

Thu 7/16

6:00 am-10:23 am

1 stop4h 23m

Louisville Intl

Sun 7/19

6:30 am-8:38 am

Nonstop2h 08m

$364

NewarkLouisville

EWR - SDF

EWRSDF

Newark

Thu 5/28

3:08 pm-7:18 pm

1 stop4h 10m

Louisville Intl

Mon 6/1

6:30 am-8:38 am

Nonstop2h 08m

$365

NewarkLouisville

EWR - SDF

EWRSDF

Newark

Fri 5/15

7:45 pm-11:59 pm

1 stop4h 14m

Louisville Intl

Sun 5/17

5:40 am-10:20 am

1 stop4h 40m

$369

NewarkLouisville

EWR - SDF

EWRSDF

Newark

Tue 5/12

4:59 pm-7:22 pm

Nonstop2h 23m

Louisville Intl

Mon 5/18

6:17 am-8:29 am

Nonstop2h 12m

$370

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/21

Showing 1-10 of 23 resultsSorted by cheapest first
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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 April.
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 65 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 $289). Flying from Newark Airport to Louisville in March is currently the most expensive (average of $478). 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 April 26, 2026.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 57% 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?

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 April 26, 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
7.9
Good
8,459 reviews

Boarding

8.1

Food

7.2

Overall

7.9

Entertainment

7.8

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
Delta
7.9
Good
8,459 reviews
Delta
7.9
Good
8,459 reviews

Boarding

8.1

Food

7.2

Overall

7.9

Entertainment

7.8

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
United Airlines
7.4
Good
9,658 reviews
Delta
7.9
Good
8,459 reviews

Boarding

8.1

Food

7.2

Overall

7.9

Entertainment

7.8

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
American Airlines
7.1
Good
11,673 reviews
Delta
7.9
Good
8,459 reviews

Boarding

8.1

Food

7.2

Overall

7.9

Entertainment

7.8

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
Spirit Airlines
6.3
Okay
8,632 reviews
Delta
7.9
Good
8,459 reviews

Boarding

8.1

Food

7.2

Overall

7.9

Entertainment

7.8

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

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 6 inbound flights from Newark per day. 4 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 4h 23m. Your travel time can differ by up to . There are 640 mi between Newark Airport and Louisville.

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

    Flying on Spirit Airlines is currently your cheapest option to Louisville, with prices starting at $50. Additional round-trip tickets that might be worth considering are offered by American Airlines and Delta, with the lowest prices starting at $203 and $208, respectively. Spirit Airlines is 85% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Newark Airport to Louisville one-way?

    $66 is the cheapest one-way deal found within the past few days, from Spirit Airlines. You may also be able to find cheap deals on Delta and United Airlines, with prices starting from $124 and $133, respectively.

  • 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 GoJet (100%), United Airlines (86%) or Republic Airways (81%) 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 $223 while the most popular route, (Newark - Louisville Intl) is currently priced at $203.

  • 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 $289). Flying from Newark Airport to Louisville in March is currently the most expensive (average of $478). 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
Shepherdsville
Elizabethtown
Corydon
Jeffersonville
Bardstown

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Top 4 airlines flying from Newark to Louisville

Discover the top 4 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 April 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$50Average$150FlexibilityNo cancel feeOn-time65%
DeltaCheapest$144Average$303FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$203Average$280FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$209Average$359FlexibilityNo cancel feeOn-time69%

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