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$48+ 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 8/7. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — SDF
Jul 7 — Jul 141
Mon 7/7
Mon 7/14
1 adult, Economy
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Cheapflights Tip: The best prices from Newark to Louisville Intl are usually found in March or January, booked 87 days in advance, depart on a Friday or Saturday and return on a Thursday

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 July 2, 2025.

Round-trip from

$115
(Priceline)

One-way from

$48
(FlightHub)

Popular in

December

Cheapest in

March

Average price

$342

Good round-trip deal

$144 or less

Good one-way deal

$105 or less
From Newark to Louisville Intl
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One-way flight from Newark to Louisville Intl
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Highest demand for flights based on searches. 7% potential increase in price ($26 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 July 2025
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Price to beat on a round-trip flight from Newark to Louisville Intl.
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Price to beat on a one-way flight from Newark to Louisville Intl.
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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 July 2, 2025.

This Priceline deal was found by Cheapflights users on 7/2. 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.
Thu 7/249:10 amEWR - SDF
Nonstop2h 17mSpirit Airlines
Sun 7/2712:32 pmSDF - EWR
Nonstop2h 22mSpirit Airlines
Deal found 7/2$115
This Mytrip deal was found by Cheapflights users on 7/1. 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.
Fri 8/810:05 pmEWR - SDF
2 stops16h 45mMultiple Airlines
Sun 8/1012:32 pmSDF - EWR
Nonstop2h 22mMultiple Airlines
Deal found 7/1$179

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 July 2, 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

Thu 7/24

9:10 am-11:27 am

Nonstop2h 17m

Louisville Intl

Sun 7/27

12:32 pm-2:54 pm

Nonstop2h 22m

$115

NewarkLouisville

EWR - SDF

EWRSDF

Newark

Fri 8/8

10:05 pm-2:50 pm

2 stops16h 45m

Louisville Intl

Sun 8/10

12:32 pm-2:54 pm

Nonstop2h 22m

$179

NewarkLouisville

EWR - SDF

EWRSDF

Newark

Thu 8/7

9:10 am-11:27 am

Nonstop2h 17m

$48

NewarkLouisville

EWR - SDF

EWRSDF

Newark

Mon 8/11

8:29 pm-10:58 pm

Nonstop2h 29m

$109

NewarkLouisville

EWR - SDF

EWRSDF

Newark

Wed 8/20

10:56 am-5:38 pm

1 stop6h 42m

$119

NewarkLouisville

EWR - SDF

EWRSDF

Newark

Sun 9/21

10:00 pm-6:02 pm

2 stops20h 02m

$135

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

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 June 27, 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 July 2, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 66% 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 June 29, 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.

Weekly flight availability from Newark Airport to Louisville

Explore weekly flight availability from Newark to Louisville. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 2, 2025.

The most flights from EWR to SDF are scheduled on a Monday (6 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (3 on average).

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 July 2, 2025.
Get a feel of what it's like to fly with United Airlines, American Airlines, and Spirit 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.
United Airlines
7.4
Good
8,861 reviews

Comfort

7.3

Overall

7.4

Boarding

7.7

Crew

8.1

Entertainment

7.0

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
United Airlines
7.4
Good
8,861 reviews
United Airlines
7.4
Good
8,861 reviews

Comfort

7.3

Overall

7.4

Boarding

7.7

Crew

8.1

Entertainment

7.0

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,861 reviews

Comfort

7.3

Overall

7.4

Boarding

7.7

Crew

8.1

Entertainment

7.0

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
Spirit Airlines
6.3
Okay
8,103 reviews
United Airlines
7.4
Good
8,861 reviews

Comfort

7.3

Overall

7.4

Boarding

7.7

Crew

8.1

Entertainment

7.0

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

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.

  • What is the cheapest airline to fly from Newark Airport to Louisville round-trip?

    Flying on Spirit Airlines is currently your cheapest option to Louisville, with prices starting at $115. Spirit Airlines is 65% 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?

    $48 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 United Airlines and American Airlines, with prices starting from $109 and $119, 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 Air Canada (63%), Spirit Airlines (56%) or Lufthansa (53%) 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 $407 for a flight from Newark Airport to Louisville. The cheapest flight overall is $50 while the most popular route, (Newark - Louisville Intl) is currently priced at $98.

  • 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 Newark Airport?

Book flights to Newark Airport if you plan to visit one of these locations
Shepherdsville
Jeffersonville
Elizabethtown
Corydon
Bardstown

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Alternative routes for Newark to Louisville

See prices for flight routes from nearby airports that may be better suited for you.
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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 July 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$56Average$149FlexibilityNo cancel feeOn-time65%
DeltaCheapest$209Average$303FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$209Average$357FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$217Average$284FlexibilityNo cancel feeOn-time71%

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