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$91+ Cheap flights from Louisville (SDF) to Newark (EWR)

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 5/18. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — EWR
May 29 — Jun 51
Fri 5/29
Fri 6/5
1 adult, Economy
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Find cheap flights from Louisville to Newark with Cheapflights

1. Tell us where you want to go

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Cheapflights Tip: The best prices from Louisville Intl to Newark are usually found in May or June, booked 76 days in advance, depart on a Saturday or Friday and return on a Saturday

Cheap flight deals from Louisville to Newark

Cheapest flights from Louisville to Newark
Explore the most affordable flight options available from Louisville to Newark. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2026.

This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/3011:40 am
SDF
-
EWR
Nonstop2h 10m
Spirit Airlines
Sun 5/38:30 am
EWR
-
SDF
Nonstop2h 15m
Spirit Airlines
Deal found 4/25$148
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.
Mon 5/187:48 pm
SDF
-
EWR
1 stop13h 11m
Multiple Airlines
Fri 7/107:45 am
EWR
-
SDF
1 stop6h 51m
Multiple Airlines
Deal found 4/24$203
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.
Mon 5/1110:33 am
SDF
-
EWR
1 stop22h 26m
Spirit Airlines
Wed 5/137:55 pm
EWR
-
SDF
1 stop13h 33m
Spirit Airlines
Deal found 4/24$211
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/203:31 pm
SDF
-
EWR
1 stop7h 56m
Spirit Airlines
Fri 7/317:45 am
EWR
-
SDF
1 stop6h 51m
Spirit Airlines
Deal found 4/24$214
This Kiwi.com deal was found by Cheapflights users on 4/26. 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 5/1410:33 am
SDF
-
EWR
1 stop7h 14m
Multiple Airlines
Tue 5/196:00 am
EWR
-
SDF
1 stop29h 34m
Multiple Airlines
Deal found 4/26$215
This Kiwi.com deal was found by Cheapflights users on 4/26. 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 7/243:31 pm
SDF
-
EWR
1 stop7h 56m
Spirit Airlines
Fri 7/317:45 am
EWR
-
SDF
1 stop6h 51m
Spirit Airlines
Deal found 4/26$216
This Mytrip deal was found by Cheapflights users on 4/26. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/1410:33 am
SDF
-
EWR
1 stop7h 14m
Spirit Airlines
Sat 5/167:55 pm
EWR
-
SDF
1 stop13h 33m
Spirit Airlines
Deal found 4/26$218
This Kiwi.com deal was found by Cheapflights users on 4/26. 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 5/1510:33 am
SDF
-
EWR
1 stop22h 26m
Multiple Airlines
Tue 5/1910:29 pm
EWR
-
SDF
2 stops13h 05m
Multiple Airlines
Deal found 4/26$221

Find flight deals from Louisville to Newark

Discover tips and strategies to find the most affordable flight options for your journey from Louisville (SDF) to Newark (EWR). 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 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$203
(Kiwi.com)

One-way from

$91
(Kiwi.com)

Popular in

January

Cheapest in

May

Average price

$352

Good round-trip deal

$315 or less

Good one-way deal

$293 or less
Provider with most accurate pricing for Louisville Intl-Newark flight deals.
Search Deals
Provider most trusted by Cheapflights users for Louisville Intl-Newark flights.
Search Deals
From Louisville Intl to Newark
Search Deals
One-way flight from Louisville Intl to Newark
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($23 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 April 2026
Search Deals
Price to beat on a round-trip flight from Louisville Intl to Newark.
Search Deals
Price to beat on a one-way flight from Louisville Intl to Newark.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Louisville to Newark 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 29, 2026.
Use the filters below to find and compare flights from Louisville to Newark Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LouisvilleNewark

SDF - EWR

SDFEWR

Louisville Intl

Thu 5/28

6:00 am-9:56 am

1 stop3h 56m

Newark

Mon 6/1

8:25 pm-10:50 pm

Nonstop2h 25m

$249

LouisvilleNewark

SDF - EWR

SDFEWR

Louisville Intl

Wed 8/19

9:25 am-4:43 pm

1 stop7h 18m

Newark

Sun 8/30

7:00 am-1:48 pm

1 stop6h 48m

$259

LouisvilleNewark

SDF - EWR

SDFEWR

Louisville Intl

Sun 8/23

6:00 am-9:55 am

1 stop3h 55m

Newark

Sat 8/29

4:55 pm-10:22 pm

1 stop5h 27m

$259

LouisvilleNewark

SDF - EWR

SDFEWR

Louisville Intl

Wed 6/24

5:20 am-10:30 am

1 stop5h 10m

Newark

Sun 6/28

6:00 am-10:23 am

1 stop4h 23m

$287

LouisvilleNewark

SDF - EWR

SDFEWR

Louisville Intl

Tue 5/12

4:17 pm-6:30 pm

Nonstop2h 13m

Newark

Sat 5/16

7:55 pm-10:22 pm

Nonstop2h 27m

$309

LouisvilleNewark

SDF - EWR

SDFEWR

Louisville Intl

Tue 7/21

11:44 am-2:00 pm

Nonstop2h 16m

Newark

Sun 7/26

8:25 pm-10:50 pm

Nonstop2h 25m

$319

LouisvilleNewark

SDF - EWR

SDFEWR

Louisville Intl

Wed 7/29

11:44 am-2:00 pm

Nonstop2h 16m

Newark

Tue 8/4

8:30 pm-10:55 pm

Nonstop2h 25m

$319
Quickest round-trip

LouisvilleNewark

SDF - EWR

SDFEWR

Louisville Intl

Tue 6/16

6:30 am-8:38 am

Nonstop2h 08m

Newark

Fri 7/3

8:25 pm-10:50 pm

Nonstop2h 25m

$319

LouisvilleNewark

SDF - EWR

SDFEWR

Louisville Intl

Wed 9/30

6:30 am-8:38 am

Nonstop2h 08m

Newark

Sat 10/3

5:55 pm-8:20 pm

Nonstop2h 25m

$319

LouisvilleNewark

SDF - EWR

SDFEWR

Louisville Intl

Mon 8/3

6:00 am-9:51 am

1 stop3h 51m

Newark

Sat 8/8

8:25 pm-10:50 pm

Nonstop2h 25m

$329

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/27

Showing 1-10 of 24 resultsSorted by cheapest first
1
2
3

Compare providers for flights from Louisville to Newark

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 Louisville to Newark in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy2 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*1 star
PricelinePrice Accuracy1 starTrust Score*3 stars

*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 Louisville-Newark Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Louisville-Newark Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Louisville-Newark Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Louisville-Newark Airport 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 Louisville-Newark Airport 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 Louisville to Newark

Have a flexible travel schedule? Discover the best time to fly to Newark from Louisville 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 Louisville to Newark Airport

How far ahead should I book a flight from Louisville to Newark Airport?

The best time to book flights from Louisville to Newark Airport is 74 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, May is the cheapest month in which you can book a flight from Louisville to Newark Airport (average of $258). Flying from Louisville to Newark Airport in January is currently the most expensive (average of $383). 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 SDF to EWR?

Find hourly flight availability from Louisville to Newark. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 29, 2026.

A simple way to save on the total cost of your ticket is to fly from Louisville to Newark Airport in the evening. If you’re flexible enough to do this you can expect to save up to 69% on your trip compared to booking a flight in the afternoon.

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

Reviews of airlines servicing Newark

Get insights into the airlines that provide service to Newark. 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 Newark. Reviews last updated April 29, 2026.
Read through reviews of airlines operating flights from Louisville to Newark Airport, such as Delta,United Airlines, andAmerican Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,465 reviews

Overall

7.9

Food

7.2

Boarding

8.1

Entertainment

7.8

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Lucy,Nov 2023

ATL - JFK

On time flights; courteous staff; efficient boarding system! Thank you!
Delta
7.9
Good
8,465 reviews
Delta
7.9
Good
8,465 reviews

Overall

7.9

Food

7.2

Boarding

8.1

Entertainment

7.8

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Lucy,Nov 2023

ATL - JFK

On time flights; courteous staff; efficient boarding system! Thank you!
United Airlines
7.4
Good
9,680 reviews
Delta
7.9
Good
8,465 reviews

Overall

7.9

Food

7.2

Boarding

8.1

Entertainment

7.8

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Lucy,Nov 2023

ATL - JFK

On time flights; courteous staff; efficient boarding system! Thank you!
American Airlines
7.1
Good
11,678 reviews
Delta
7.9
Good
8,465 reviews

Overall

7.9

Food

7.2

Boarding

8.1

Entertainment

7.8

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Lucy,Nov 2023

ATL - JFK

On time flights; courteous staff; efficient boarding system! Thank you!
Spirit Airlines
6.3
Okay
8,631 reviews
Delta
7.9
Good
8,465 reviews

Overall

7.9

Food

7.2

Boarding

8.1

Entertainment

7.8

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Lucy,Nov 2023

ATL - JFK

On time flights; courteous staff; efficient boarding system! Thank you!

Related info for your journey

Find useful and relevant information for your journey from Louisville to Newark. 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 from for flights from Louisville to Newark?

    Located just 5.3 mi from the city center, Louisville Intl is the airport most travelers will use when flying to Newark from Louisville. Booking flights from Louisville Intl (SDF) to Newark should be relatively easy as there are 3 daily outbound flights to Newark from 4 different airlines.

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

    United Airlines and Delta can get you from Louisville to Newark Airport in just under 3h 56m. Your travel time can differ by up to 3h 22m. Louisville and Newark Airport are separated by a distance of 640 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Spirit Airlines, at $49, was found to be the cheapest airline from Louisville to Newark Airport.Alternate airlines to your destination round-trip include American Airlines and United Airlines. Spirit Airlines is 83% cheaper than the average price of flights available within the next 90 days to this destination.

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

    One-way options have recently been found by users for as low as $40 on Spirit Airlines. Other airlines that offer cheap prices include United Airlines from $98 and American Airlines from $108 one-way.

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

    Consider GoJet (90%), United Airlines (85%) or Republic Airways (82%) when booking your flight. These represent the most reliable airlines when flying from Louisville to Newark Airport.

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

    Looking for the cheapest flight from Louisville to Newark Airport? While on average our users pay $482, our data indicates the cheapest price to be $213. The most popular route (Louisville Intl - Newark), is priced around $198.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Louisville to Newark 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 Louisville to Newark Airport?

    Currently, May is the cheapest month in which you can book a flight from Louisville to Newark Airport (average of $258). Flying from Louisville to Newark Airport in January is currently the most expensive (average of $383). 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 Newark Airport?

Book flights to Newark Airport if you plan to visit one of these locations
Queens
Bronx
Mahwah
East Rutherford
Bethlehem
Yonkers
Secaucus
Mount Laurel
North Bergen
Elizabeth
Irvington
Seaside Heights
Absecon
Parsippany
Edgewater
Carle Place
Staten Island
Tannersville
Carteret
Stamford

Browse thousands of different options on Cheapflights for your next trip

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Top 4 airlines flying from Louisville to Newark

Discover the top 4 airlines that operate flights from Louisville to Newark. 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 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$49Average$148FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$168Average$278FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$209Average$301FlexibilityNo cancel feeOn-time69%
DeltaCheapest$216Average$298FlexibilityNo cancel feeOn-timeN/A

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