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Cheap flights from Newark Airport to Louisville from £138

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 31/10. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — SDF
4 Aug — 11 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Newark to Louisville

Enter your travel dates to find the best prices.

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 5 July 2026.

Wed 29/706:00
EWR
-
SDF
1 stop4h 29m
Delta
Wed 5/807:05
SDF
-
EWR
1 stop5h 13m
Delta
Deal found 2/7£147
Tue 1/910:00
EWR
-
SDF
Nonstop2h 22m
United Airlines
Wed 9/911:15
SDF
-
EWR
Nonstop2h 16m
United Airlines
Deal found 4/7£179
Wed 29/707:05
EWR
-
SDF
1 stop4h 46m
Delta
Sun 9/817:50
SDF
-
EWR
1 stop4h 39m
Delta
Deal found 2/7£182
Sat 1/820:29
EWR
-
SDF
Nonstop2h 25m
United Airlines
Sat 8/806:30
SDF
-
EWR
Nonstop2h 08m
United Airlines
Deal found 3/7£190
Wed 30/907:00
EWR
-
SDF
1 stop5h 20m
Delta
Sat 3/1008:09
SDF
-
EWR
1 stop6h 04m
Delta
Deal found 5/7£194
Thu 27/817:45
EWR
-
SDF
Nonstop2h 28m
United Airlines
Thu 3/905:15
SDF
-
EWR
1 stop5h 07m
United Airlines
Deal found 4/7£201
Fri 14/818:59
EWR
-
SDF
1 stop5h 35m
Delta
Sun 16/806:00
SDF
-
EWR
1 stop4h 29m
Delta
Deal found 3/7£205
Thu 17/906:00
EWR
-
SDF
1 stop4h 18m
United Airlines
Sun 20/906:15
SDF
-
EWR
Nonstop2h 13m
United Airlines
Deal found 2/7£207
Fri 14/806:00
EWR
-
SDF
1 stop4h 18m
United Airlines
Fri 21/806:00
SDF
-
EWR
1 stop3h 59m
United Airlines
Deal found 5/7£209

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 5 July 2026.

Round-trip from

£147

One-way from

£138

Popular in

March

Cheapest in

August

Average price

£261
Delta
  • Delta
  • 31/8-9/9
  • 2 total stops
  • 9h 55m total
  • Newark to Louisville
Search Deals
American Airlines
  • American Airlines
  • 31/10
  • 1 total stop
  • 5h 16m total
  • Newark to Louisville
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (£25 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£7 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customise 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 858,174 searches. Data last updated 5 July 2026.
Use the filters below to find and compare flights from Newark Airport to Louisville that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

NewarkLouisville

EWR - SDF

EWRSDF

Newark

Thu 13/8

20:33-22:59

Nonstop2h 26m

Louisville Intl

Thu 20/8

11:00-13:16

Nonstop2h 16m

£179

NewarkLouisville

EWR - SDF

EWRSDF

Newark

Tue 1/9

10:00-12:22

Nonstop2h 22m

Louisville Intl

Wed 9/9

11:15-13:31

Nonstop2h 16m

£179

NewarkLouisville

EWR - SDF

EWRSDF

Newark

Tue 3/11

06:00-11:36

1 stop5h 36m

Louisville Intl

Sat 7/11

07:00-14:03

1 stop7h 03m

£194

NewarkLouisville

EWR - SDF

EWRSDF

Newark

Thu 13/8

17:45-20:13

Nonstop2h 28m

Louisville Intl

Tue 18/8

10:05-14:04

1 stop3h 59m

£246

NewarkLouisville

EWR - SDF

EWRSDF

Newark

Fri 2/10

21:23-23:49

Nonstop2h 26m

Louisville Intl

Sun 4/10

06:00-09:57

1 stop3h 57m

£246
Fastest return journey

NewarkLouisville

EWR - SDF

EWRSDF

Newark

Fri 17/7

20:25-22:50

Nonstop2h 25m

Louisville Intl

Mon 20/7

06:30-08:38

Nonstop2h 08m

£257

NewarkLouisville

EWR - SDF

EWRSDF

Newark

Thu 22/10

16:29-00:02

1 stop7h 33m

Louisville Intl

Sun 25/10

19:30-00:58

1 stop5h 28m

£265

NewarkLouisville

EWR - SDF

EWRSDF

Newark

Thu 24/9

15:18-21:59

1 stop6h 41m

Louisville Intl

Sun 27/9

06:00-10:29

1 stop4h 29m

£265

NewarkLouisville

EWR - SDF

EWRSDF

Newark

Wed 30/9

17:45-20:13

Nonstop2h 28m

Louisville Intl

Sat 3/10

18:30-20:51

Nonstop2h 21m

£265

NewarkLouisville

EWR - SDF

EWRSDF

Newark

Fri 17/7

06:00-10:29

1 stop4h 29m

Louisville Intl

Sat 18/7

15:50-20:54

1 stop5h 04m

£272

Flights are sorted by cheapest return flights first.

Deals found on 5/7

Showing 1-10 of 23 resultsSorted by cheapest first
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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 return 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?

The best time to book flights from Newark Airport to Louisville is 44 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 Newark Airport to Louisville?

Currently, August is the cheapest month in which you can book a flight from Newark Airport to Louisville (average of £224). Flying from Newark Airport to Louisville in March is currently the most expensive (average of £367). 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 5 July 2026.

When flying from Newark Airport to Louisville, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost for a return flight from Newark Airport to Louisville?

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?

    Most people fly into Louisville Intl (SDF) if they book a flight to Louisville from Newark. On average, Louisville Intl has 6 inbound flights from Newark per day from 0 airlines. Louisville Intl is conveniently located just 5.3 mi from Louisville’s city center.

  • 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 22m. Your travel time can differ by up to 2h 52m. Airlines will cover a distance of 640 mi. This flight may include one or multiple stops.

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

    Before booking your flight to Louisville from Newark Airport, check out the most reliable airlines to get you to your destination on time: Republic Airways (89%), Air Canada (84%), Lufthansa( 82%).

  • 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 holiday 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, August is the cheapest month in which you can book a flight from Newark Airport to Louisville (average of £224). Flying from Newark Airport to Louisville in March is currently the most expensive (average of £367). 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

Browse thousands of different options on Cheapflights for your next trip

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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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Fly with Cheapflights

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How does Cheapflights help users find flights from Newark to Louisville?

Cheapflights makes it easy to find Newark to Louisville flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Newark to Louisville?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Newark to Louisville.

Can Cheapflights find flights from Newark to Louisville with no change fees?

Yes! Cheapflights helps users easily find flights from Newark to Louisville with no change fees.

Can Cheapflights notify me if prices for flights from Newark to Louisville become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Louisville from Newark today and book when prices fit your budget.

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