HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Louisville

$80+ 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
oct. 15 — oct. 221
mié. 10/15
mié. 10/22
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 March, booked 87 days in advance, depart on a Friday or Saturday and return on a Friday

Cheap 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 septiembre 15, 2025.

Round-trip from

$177
(Cheapflightsfares)

One-way from

$80
(Kiwi.com)

Popular in

December

Cheapest in

August

Average price

$403

Good round-trip deal

$259 or less

Good one-way deal

$268 or less
From Newark to Louisville Intl
Search Deals
One-way flight from Newark to Louisville Intl
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($21 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 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

Find 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 septiembre 15, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 9/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/39:01 pmEWR - SDF
1 stop12h 18mSpirit Airlines
lun. 11/37:15 amSDF - EWR
1 stop7h 44mSpirit Airlines
Deal found 9/15$177
This Priceline deal was found by Cheapflights users on 9/15. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/1510:55 amEWR - SDF
1 stop7h 00mSpirit Airlines
vie. 10/177:15 amSDF - EWR
1 stop6h 13mSpirit Airlines
Deal found 9/15$179
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
jue. 12/42:37 pmEWR - SDF
1 stop18h 21mMultiple Airlines
lun. 12/88:52 pmSDF - EWR
1 stop16h 50mMultiple Airlines
Deal found 9/15$189
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
mié. 10/1510:55 amEWR - SDF
1 stop7h 00mMultiple Airlines
vie. 10/178:52 pmSDF - EWR
1 stop25h 08mMultiple Airlines
Deal found 9/15$191
This Kiwi.com deal was found by Cheapflights users on 9/14. 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.
lun. 9/299:01 pmEWR - SDF
1 stop12h 18mMultiple Airlines
lun. 10/66:43 pmSDF - EWR
1 stop14h 17mMultiple Airlines
Deal found 9/14$192
This Cheapflightsfares deal was found by Cheapflights users on 9/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/2210:55 amEWR - SDF
1 stop7h 00mSpirit Airlines
jue. 10/237:15 amSDF - EWR
1 stop7h 45mSpirit Airlines
Deal found 9/14$194
This Expedia deal was found by Cheapflights users on 9/15. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/299:01 pmEWR - SDF
1 stop12h 18mSpirit Airlines
jue. 10/210:14 amSDF - EWR
1 stop12h 52mSpirit Airlines
Deal found 9/15$197
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
lun. 9/2910:05 amEWR - SDF
1 stop11h 59mSpirit Airlines
mar. 9/3010:14 amSDF - EWR
1 stop6h 26mSpirit Airlines
Deal found 9/15$201
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
mié. 10/86:20 amEWR - SDF
1 stop10h 16mSpirit Airlines
vie. 10/1011:47 amSDF - EWR
1 stop21h 13mSpirit Airlines
Deal found 9/15$202
This Cheapflightsfares deal was found by Cheapflights users on 9/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/54:50 pmEWR - SDF
1 stop6h 55mSpirit Airlines
dom. 12/76:03 pmSDF - EWR
1 stop11h 38mSpirit Airlines
Deal found 9/14$203
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
mié. 10/156:20 amEWR - SDF
1 stop10h 16mMultiple Airlines
jue. 10/168:50 pmSDF - EWR
1 stop12h 13mMultiple Airlines
Deal found 9/15$204
This Kiwi.com deal was found by Cheapflights users on 9/14. 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.
mié. 10/85:59 amEWR - SDF
1 stop11h 56mMultiple Airlines
lun. 10/138:52 pmSDF - EWR
1 stop25h 08mMultiple Airlines
Deal found 9/14$207

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 septiembre 15, 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

mar. 11/18

10:05 am-12:26 pm

Nonstop2h 21m

Louisville Intl

dom. 11/23

6:45 am-8:55 am

Nonstop2h 10m

$209

NewarkLouisville

EWR - SDF

EWRSDF

Newark

mar. 10/21

8:30 pm-11:00 pm

Nonstop2h 30m

Louisville Intl

sáb. 10/25

1:00 pm-3:15 pm

Nonstop2h 15m

$209

NewarkLouisville

EWR - SDF

EWRSDF

Newark

mié. 2/18

4:55 pm-7:21 pm

Nonstop2h 26m

Louisville Intl

lun. 2/23

8:15 am-10:27 am

Nonstop2h 12m

$219

NewarkLouisville

EWR - SDF

EWRSDF

Newark

mié. 2/18

7:00 am-1:50 pm

1 stop6h 50m

Louisville Intl

lun. 2/23

5:45 pm-12:59 am

1 stop7h 14m

$229

NewarkLouisville

EWR - SDF

EWRSDF

Newark

mié. 10/22

5:56 pm-12:01 am

1 stop6h 05m

Louisville Intl

mar. 10/28

2:33 pm-7:23 pm

1 stop4h 50m

$229

NewarkLouisville

EWR - SDF

EWRSDF

Newark

mié. 1/7

6:00 am-1:50 pm

1 stop7h 50m

Louisville Intl

dom. 1/11

5:45 pm-12:59 am

1 stop7h 14m

$229

NewarkLouisville

EWR - SDF

EWRSDF

Newark

sáb. 9/27

6:30 pm-9:00 pm

Nonstop2h 30m

Louisville Intl

mar. 9/30

12:14 pm-2:28 pm

Nonstop2h 14m

$242

NewarkLouisville

EWR - SDF

EWRSDF

Newark

sáb. 10/18

9:30 am-2:20 pm

1 stop4h 50m

Louisville Intl

mié. 10/22

8:17 am-2:29 pm

1 stop6h 12m

$263

NewarkLouisville

EWR - SDF

EWRSDF

Newark

mié. 11/12

9:05 pm-11:40 pm

Nonstop2h 35m

Louisville Intl

mié. 11/19

6:45 am-8:55 am

Nonstop2h 10m

$279

NewarkLouisville

EWR - SDF

EWRSDF

Newark

jue. 10/23

8:30 pm-11:00 pm

Nonstop2h 30m

Louisville Intl

mié. 10/29

6:34 am-8:44 am

Nonstop2h 10m

$279

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 20 results
1
2

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 September 12, 2025.

Booking 87 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, January is the cheapest month in which you can book a flight from Newark Airport to Louisville (average of $299). Flying from Newark Airport to Louisville in April is currently the most expensive (average of $369). 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 septiembre 15, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 63% on flights from Newark Airport to Louisville by exploring options for tickets at noon.

What is the cheapest day to fly from Newark Airport to Louisville?

Use this chart to determine the cheapest time to fly round-trip from Newark to Louisville. Price data was last updated on September 7, 2025.

Travelers seeking maximum savings on their Newark Airport to Louisville flight should consider departing on Friday at noon when fares are most often at their lowest. Tuesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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 septiembre 15, 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
8.0
Very good
7,954 reviews

Entertainment

7.9

Crew

8.5

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

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
8.0
Very good
7,954 reviews
Delta
8.0
Very good
7,954 reviews

Entertainment

7.9

Crew

8.5

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

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
8,929 reviews
Delta
8.0
Very good
7,954 reviews

Entertainment

7.9

Crew

8.5

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

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
10,000 reviews
Delta
8.0
Very good
7,954 reviews

Entertainment

7.9

Crew

8.5

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

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
8,015 reviews
Delta
8.0
Very good
7,954 reviews

Entertainment

7.9

Crew

8.5

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

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 4 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 and Delta can get you from Newark Airport to Louisville in just under 2h 21m. Your travel time can differ by up to 4h 29m. There are 640 mi between Newark Airport and Louisville. This flight may include one or multiple stops.

  • 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 $82. Additional round-trip tickets that might be worth considering are offered by United Airlines and American Airlines, with the lowest prices starting at $209 and $217, respectively. Spirit Airlines is 75% 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 GoJet (100%), United Airlines (86%) or Republic Airways (84%) 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 $477 for a flight from Newark Airport to Louisville. The cheapest flight overall is $209 while the most popular route, (Newark - Louisville Intl) is currently priced at $192.

  • 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, January is the cheapest month in which you can book a flight from Newark Airport to Louisville (average of $299). Flying from Newark Airport to Louisville in April is currently the most expensive (average of $369). 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
LaGuardia to Nashville flights
Newark to Nashville flights
LaGuardia to Cincinnati flights
John F Kennedy Intl to Cincinnati flights
Newark to Cincinnati flights
LaGuardia to Louisville flights
LaGuardia to Knoxville flights
John F Kennedy Intl to Knoxville flights
John F Kennedy Intl to Louisville flights
Newark to Knoxville flights
LaGuardia to Lexington flights
Newark to Lexington flights
John F Kennedy Intl to Lexington flights
Stewart to Cincinnati flights
Stewart to Nashville flights
Newark to Blountville flights
John F Kennedy Intl to Blountville flights
Stewart to Knoxville flights
Stewart to Louisville flights
LaGuardia to Blountville flights
Newark to Evansville flights
John F Kennedy Intl to Evansville flights
LaGuardia to Evansville flights
Stewart to Lexington flights
Newark to Huntington flights
LaGuardia to Huntington flights
John F Kennedy Intl to Huntington flights
Newark to Paducah flights
Stewart to Evansville flights
LaGuardia to Paducah flights
LaGuardia to Owensboro flights
Newark 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 septiembre 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$82Average$152FlexibilityNo cancel feeOn-time65%
United AirlinesCheapest$209Average$354FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$217Average$273FlexibilityNo cancel feeOn-time71%
DeltaCheapest$228Average$293FlexibilityNo cancel feeOn-timeN/A

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.