HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Louisville

$75+ 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 1/20. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — SDF
Jan 15 — Jan 221
Thu 1/15
Thu 1/22
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

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 August or February, booked 59 days in advance, depart on a Friday or Saturday and return on a Friday

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 December 16, 2025.

This United Airlines deal was found by Cheapflights users on 12/14. 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 12/296:00 amEWR - SDF
1 stop7h 13mUnited Airlines
Tue 1/68:30 amSDF - EWR
Nonstop2h 16mUnited Airlines
Deal found 12/14$239
This Delta deal was found by Cheapflights users on 12/16. 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.
Wed 12/316:15 amEWR - SDF
1 stop6h 57mDelta
Sat 1/107:50 amSDF - EWR
1 stop4h 19mDelta
Deal found 12/16$249
This United Airlines deal was found by Cheapflights users on 12/15. 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 12/248:59 pmEWR - SDF
Nonstop2h 38mUnited Airlines
Mon 1/58:40 amSDF - EWR
Nonstop2h 19mUnited Airlines
Deal found 12/15$264
This Delta deal was found by Cheapflights users on 12/16. 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.
Tue 12/306:15 amEWR - SDF
1 stop6h 57mDelta
Mon 1/55:45 pmSDF - EWR
1 stop5h 16mDelta
Deal found 12/16$269
This United Airlines deal was found by Cheapflights users on 12/14. 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 12/318:59 pmEWR - SDF
Nonstop2h 38mUnited Airlines
Fri 1/25:40 amSDF - EWR
1 stop4h 46mUnited Airlines
Deal found 12/14$276
This United Airlines deal was found by Cheapflights users on 12/14. 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.
Tue 12/308:59 pmEWR - SDF
Nonstop2h 38mUnited Airlines
Tue 5/266:00 amSDF - EWR
1 stop3h 46mUnited Airlines
Deal found 12/14$289

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 December 16, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$160
(Kiwi.com)

One-way from

$75
(Kiwi.com)

Popular in

December

Cheapest in

August

Average price

$379

Good round-trip deal

$284 or less

Good one-way deal

$245 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. 7% potential increase in price ($26 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 December 16, 2025.
Use the filters below to find and compare flights from Newark Airport to Louisville that are best for you.

Fly from

Newark

Fly to

Louisville

Route

Depart

Return

Price

NewarkLouisville

EWR - SDF

EWRSDF

Newark

Wed 1/7

8:45 pm-11:23 pm

Nonstop2h 38m

Louisville Intl

Mon 1/12

1:50 pm-4:09 pm

Nonstop2h 19m

$209

NewarkLouisville

EWR - SDF

EWRSDF

Newark

Wed 1/7

4:58 pm-7:31 pm

Nonstop2h 33m

Louisville Intl

Sun 1/11

8:30 am-10:46 am

Nonstop2h 16m

$209

NewarkLouisville

EWR - SDF

EWRSDF

Newark

Thu 1/8

10:30 am-1:05 pm

Nonstop2h 35m

Louisville Intl

Sun 1/11

8:30 am-10:46 am

Nonstop2h 16m

$209

NewarkLouisville

EWR - SDF

EWRSDF

Newark

Thu 1/15

8:45 pm-11:23 pm

Nonstop2h 38m

Louisville Intl

Sat 1/17

6:26 am-8:44 am

Nonstop2h 18m

$209

NewarkLouisville

EWR - SDF

EWRSDF

Newark

Sat 4/4

9:30 pm-11:55 pm

Nonstop2h 25m

Louisville Intl

Tue 4/7

8:49 am-11:00 am

Nonstop2h 11m

$209

NewarkLouisville

EWR - SDF

EWRSDF

Newark

Wed 2/18

4:59 pm-7:25 pm

Nonstop2h 26m

Louisville Intl

Sun 2/22

6:15 am-8:27 am

Nonstop2h 12m

$209

NewarkLouisville

EWR - SDF

EWRSDF

Newark

Sat 1/24

3:00 pm-7:43 pm

1 stop4h 43m

Louisville Intl

Sun 1/25

5:35 am-12:18 pm

1 stop6h 43m

$224

NewarkLouisville

EWR - SDF

EWRSDF

Newark

Thu 1/29

3:59 pm-8:56 pm

1 stop4h 57m

Louisville Intl

Thu 2/5

7:51 pm-12:55 am

1 stop5h 04m

$229

NewarkLouisville

EWR - SDF

EWRSDF

Newark

Tue 1/20

5:00 am-2:41 pm

2 stops9h 41m

$87

NewarkLouisville

EWR - SDF

EWRSDF

Newark

Mon 1/12

6:00 pm-2:41 pm

2 stops20h 41m

$109

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 20 results
1
2

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 December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapTicketsDealPrice Accuracy3 starsTrust 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Newark Airport-Louisville flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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?

Use this chart to determine the optimal time to book a round-trip flight from Newark to Louisville. Price data was last updated on December 12, 2025.

Booking 59 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, April is the cheapest month in which you can book a flight from Newark Airport to Louisville (average of $60). Flying from Newark Airport to Louisville in September is currently the most expensive (average of $173). 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 December 16, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 62% 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 December 16, 2025.
Get a feel of what it's like to fly with Delta, United Airlines, and American 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
8,010 reviews

Food

7.3

Entertainment

7.9

Boarding

8.1

Overall

7.9

Comfort

7.9

Crew

8.5

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
8,010 reviews
Delta
7.9
Good
8,010 reviews

Food

7.3

Entertainment

7.9

Boarding

8.1

Overall

7.9

Comfort

7.9

Crew

8.5

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
9,094 reviews
Delta
7.9
Good
8,010 reviews

Food

7.3

Entertainment

7.9

Boarding

8.1

Overall

7.9

Comfort

7.9

Crew

8.5

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
7.2
Good
11,048 reviews
Delta
7.9
Good
8,010 reviews

Food

7.3

Entertainment

7.9

Boarding

8.1

Overall

7.9

Comfort

7.9

Crew

8.5

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
8,187 reviews
Delta
7.9
Good
8,010 reviews

Food

7.3

Entertainment

7.9

Boarding

8.1

Overall

7.9

Comfort

7.9

Crew

8.5

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 2 inbound flights from Newark per day. 4 airlines have flights to Louisville Intl from Newark on a regular basis.

  • How popular is this Newark Airport to Louisville flight route?

    The Newark to Louisville Intl flight path was viewed by 23 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    United Airlines can get you from Newark Airport to Louisville in just under 2h 38m. 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 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 Delta and United Airlines, with the lowest prices starting at $141 and $208, respectively. Spirit Airlines is 84% 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?

    $65 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 $114 and $115, 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 United Airlines (69%), Republic Airways (69%) or Air Canada (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 $345 for a flight from Newark Airport to Louisville. The cheapest flight overall is $193 while the most popular route, (Newark - Louisville Intl) is currently priced at $165.

  • 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, April is the cheapest month in which you can book a flight from Newark Airport to Louisville (average of $60). Flying from Newark Airport to Louisville in September is currently the most expensive (average of $173). 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
Jeffersonville
Elizabethtown
Corydon
Bardstown

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Newark to Louisville

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Nashville flights
Newark to Nashville flights
LaGuardia to Nashville flights
John F Kennedy Intl to Cincinnati flights
Newark to Cincinnati flights
LaGuardia to Cincinnati flights
LaGuardia to Louisville flights
LaGuardia to Knoxville flights
John F Kennedy Intl to Louisville flights
John F Kennedy Intl to Knoxville flights
Newark to Knoxville flights
John F Kennedy Intl to Lexington flights
LaGuardia to Lexington flights
Stewart to Nashville flights
Newark to Lexington flights
Stewart to Cincinnati flights
Stewart to Knoxville flights
John F Kennedy Intl to Blountville flights
LaGuardia to Blountville flights
Stewart to Lexington flights
Newark to Blountville flights
Stewart to Louisville flights
John F Kennedy Intl to Evansville flights
John F Kennedy Intl to Huntington flights
Newark to Owensboro flights
LaGuardia to Huntington flights
Newark to Huntington flights
LaGuardia to Evansville flights
Newark to Paducah flights
Newark to Evansville flights
LaGuardia to Paducah flights
Stewart to Evansville flights
LaGuardia to Owensboro flights

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 December 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$82Average$150FlexibilityNo cancel feeOn-time65%
DeltaCheapest$208Average$296FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$209Average$342FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$216Average$252FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.