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$81+ 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 9/23. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — EWR
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheapflights Tip: The best prices from Louisville Intl to Newark are usually found in May or February, booked 85 days in advance, depart on a Friday or Thursday and return on a Friday

Cheap 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 September 11, 2025.

Round-trip from

$161
(Cheapflightsfares)

One-way from

$81
(Spirit)

Popular in

November

Cheapest in

May

Average price

$341

Good round-trip deal

$290 or less

Good one-way deal

$290 or less
From Louisville Intl to Newark
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One-way flight from Louisville Intl to Newark
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Highest demand for flights based on searches. 14% potential increase in price ($52 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Louisville Intl to Newark.
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Price to beat on a one-way flight from Louisville Intl to Newark.
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Find 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 September 11, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 9/9. 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.
Wed 10/110:14 amSDF - EWR
1 stop11h 45mSpirit Airlines
Wed 10/85:59 amEWR - SDF
1 stop11h 56mSpirit Airlines
Deal found 9/9$161
This Expedia deal was found by Cheapflights users on 9/9. 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.
Wed 10/110:14 amSDF - EWR
1 stop11h 45mSpirit Airlines
Wed 10/1510:55 amEWR - SDF
1 stop7h 00mSpirit Airlines
Deal found 9/9$162
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 12/58:52 pmSDF - EWR
1 stop16h 50mMultiple Airlines
Thu 12/112:37 pmEWR - SDF
1 stop18h 21mMultiple Airlines
Deal found 9/9$165
This Cheapflightsfares deal was found by Cheapflights users on 9/10. 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.
Fri 9/1910:14 amSDF - EWR
1 stop12h 52mSpirit Airlines
Mon 9/229:01 pmEWR - SDF
1 stop12h 18mSpirit Airlines
Deal found 9/10$180
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 9/2310:14 amSDF - EWR
1 stop6h 26mSpirit Airlines
Mon 9/299:01 pmEWR - SDF
1 stop12h 18mSpirit Airlines
Deal found 9/10$182
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 10/117:15 amSDF - EWR
1 stop8h 07mSpirit Airlines
Wed 10/1510:55 amEWR - SDF
1 stop7h 00mSpirit Airlines
Deal found 9/9$188
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 12/58:52 pmSDF - EWR
1 stop16h 50mMultiple Airlines
Fri 12/124:50 pmEWR - SDF
1 stop6h 55mMultiple Airlines
Deal found 9/9$192
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 9/3010:14 amSDF - EWR
1 stop6h 26mSpirit Airlines
Tue 10/78:19 pmEWR - SDF
1 stop20h 17mSpirit Airlines
Deal found 9/11$194
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 9/3010:14 amSDF - EWR
1 stop6h 26mSpirit Airlines
Wed 10/17:57 pmEWR - SDF
1 stop13h 22mSpirit Airlines
Deal found 9/11$195
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 9/2410:14 amSDF - EWR
1 stop22h 51mSpirit Airlines
Fri 9/269:01 pmEWR - SDF
1 stop12h 18mSpirit Airlines
Deal found 9/9$198
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 12/79:26 pmSDF - EWR
1 stop11h 24mMultiple Airlines
Thu 12/112:37 pmEWR - SDF
1 stop18h 21mMultiple Airlines
Deal found 9/9$199

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 September 11, 2025.
Use the filters below to find and compare flights from Louisville to Newark Airport that are best for you.

Fly from

Louisville

Fly to

Newark

Route

Depart

Return

Price

LouisvilleNewark

SDF - EWR

SDFEWR

Louisville Intl

Wed 10/1

8:30 am-10:45 am

Nonstop2h 15m

Newark

Sat 10/4

10:00 am-12:18 pm

Nonstop2h 18m

$209

LouisvilleNewark

SDF - EWR

SDFEWR

Louisville Intl

Wed 10/1

6:15 am-8:28 am

Nonstop2h 13m

Newark

Wed 10/15

8:30 pm-11:00 pm

Nonstop2h 30m

$209

LouisvilleNewark

SDF - EWR

SDFEWR

Louisville Intl

Sat 11/1

10:30 am-4:00 pm

1 stop5h 30m

Newark

Wed 11/5

7:05 am-11:49 am

1 stop4h 44m

$229

LouisvilleNewark

SDF - EWR

SDFEWR

Louisville Intl

Wed 10/1

7:50 am-12:05 pm

1 stop4h 15m

Newark

Tue 10/7

7:13 pm-12:01 am

1 stop4h 48m

$229

LouisvilleNewark

SDF - EWR

SDFEWR

Louisville Intl

Sat 11/1

3:11 pm-9:07 pm

1 stop5h 56m

Newark

Mon 11/3

7:13 pm-12:01 am

1 stop4h 48m

$229

LouisvilleNewark

SDF - EWR

SDFEWR

Louisville Intl

Fri 10/3

7:33 pm-12:56 am

1 stop5h 23m

Newark

Wed 10/8

7:05 am-11:49 am

1 stop4h 44m

$229

LouisvilleNewark

SDF - EWR

SDFEWR

Louisville Intl

Mon 10/20

8:15 pm-12:59 am

1 stop4h 44m

Newark

Tue 10/28

5:56 pm-10:34 pm

1 stop4h 38m

$229

LouisvilleNewark

SDF - EWR

SDFEWR

Louisville Intl

Tue 10/14

2:33 pm-7:23 pm

1 stop4h 50m

Newark

Tue 10/21

7:13 pm-12:01 am

1 stop4h 48m

$229

LouisvilleNewark

SDF - EWR

SDFEWR

Louisville Intl

Wed 10/1

6:00 am-11:06 am

1 stop5h 06m

Newark

Sat 10/4

6:00 am-9:46 am

1 stop3h 46m

$263

LouisvilleNewark

SDF - EWR

SDFEWR

Louisville Intl

Thu 11/27

7:05 am-2:33 pm

1 stop7h 28m

Newark

Fri 12/5

7:00 pm-12:05 am

1 stop5h 05m

$269

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 21 results
1
2
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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?

Use this chart to determine the optimal time to book a round-trip flight from Louisville to Newark. Price data was last updated on August 29, 2025.

The best time to book flights from Louisville to Newark Airport is 85 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, January is the cheapest month in which you can book a flight from Louisville to Newark Airport (average of $228). Flying from Louisville to Newark Airport in June is currently the most expensive (average of $301). 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 September 11, 2025.

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 79% on your trip compared to booking a flight in the afternoon.

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 September 11, 2025.
Read through reviews of airlines operating flights from Louisville to Newark Airport, such as Delta, United Airlines, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,960 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

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
8.0
Very good
7,960 reviews
Delta
8.0
Very good
7,960 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

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
8,937 reviews
Delta
8.0
Very good
7,960 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

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
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,960 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

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
8,023 reviews
Delta
8.0
Very good
7,960 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

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 4 daily outbound flights to Newark from 4 different airlines.

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

    Within the past month, 21 users have taken a look at flights from Louisville Intl to Newark.

  • 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 2h 15m. Your travel time can differ by up to 3h 15m. 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 $65, 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 78% cheaper than the average price of flights available within the next 90 days to this destination.

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

    Consider GoJet (100%), 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 $1,158, our data indicates the cheapest price to be $198. The most popular route (Louisville Intl - Newark), is priced around $165.

  • 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, January is the cheapest month in which you can book a flight from Louisville to Newark Airport (average of $228). Flying from Louisville to Newark Airport in June is currently the most expensive (average of $301). 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
Elizabeth
Mahwah
Secaucus
Yonkers
Ronkonkoma
East Rutherford
North Bergen
Staten Island
Stamford
New Brunswick
Absecon
Carle Place
East Brunswick
Hoboken
Westbury
Avenel
Paterson
Fort Lee

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Alternative routes for Louisville to Newark

See prices for flight routes from nearby airports that may be better suited for you.
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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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$65Average$148FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$198Average$318FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$203Average$322FlexibilityNo cancel feeOn-time69%
DeltaCheapest$212Average$308FlexibilityNo cancel feeOn-timeN/A

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