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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 31/12. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — SDF
17 Dec — 24 Dec1
1 adult
1 adult, Economy, 0 bags

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 17 November 2025.

Round-trip from

£166

One-way from

£138

Popular in

December

Cheapest in

August

Average price

£250
United Airlines
  • United Airlines
  • 16/1-18/1
  • 1 total stop
  • 9h 06m total
  • Newark to Louisville
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United Airlines
  • United Airlines
  • 24/12
  • 1 total stop
  • 24h 32m total
  • Newark to Louisville
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (£16 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£6 potential savings vs. average return price).
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Average for round-trip flights in November 2025
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Find 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 17 November 2025.

Wed 31/1206:15EWR - SDF
1 stop6h 57mDelta
Sat 10/115:37SDF - EWR
1 stop5h 23mDelta
Deal found 17/11£174
Thu 4/1211:56EWR - SDF
1 stop6h 56mDelta
Mon 8/1218:16SDF - EWR
1 stop5h 05mDelta
Deal found 16/11£189
Fri 5/1220:57EWR - SDF
Nonstop2h 35mUnited Airlines
Sun 7/1207:00SDF - EWR
1 stop5h 28mUnited Airlines
Deal found 14/11£197
Wed 31/1212:30EWR - SDF
Nonstop2h 33mUnited Airlines
Sat 10/106:26SDF - EWR
Nonstop2h 18mUnited Airlines
Deal found 17/11£212
Thu 11/1210:30EWR - SDF
Nonstop2h 26mUnited Airlines
Sun 14/1209:00SDF - EWR
Nonstop2h 12mUnited Airlines
Deal found 16/11£212
Mon 24/1121:20EWR - SDF
Nonstop2h 34mUnited Airlines
Tue 2/1206:00SDF - EWR
Nonstop2h 12mUnited Airlines
Deal found 15/11£216
Mon 24/1121:20EWR - SDF
Nonstop2h 34mUnited Airlines
Wed 3/1209:00SDF - EWR
1 stop5h 59mUnited Airlines
Deal found 15/11£223

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 17 November 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

Fri 27/2

15:59-23:50

1 stop7h 51m

Louisville Intl

Mon 2/3

15:34-23:02

1 stop7h 28m

£174

NewarkLouisville

EWR - SDF

EWRSDF

Newark

Wed 4/2

15:59-23:50

1 stop7h 51m

Louisville Intl

Tue 17/2

05:33-10:53

1 stop5h 20m

£174

NewarkLouisville

EWR - SDF

EWRSDF

Newark

Wed 7/1

07:00-14:40

1 stop7h 40m

Louisville Intl

Sun 11/1

18:21-23:15

1 stop4h 54m

£174

NewarkLouisville

EWR - SDF

EWRSDF

Newark

Fri 5/12

17:49-22:58

1 stop5h 09m

Louisville Intl

Sun 7/12

06:00-10:51

1 stop4h 51m

£189

NewarkLouisville

EWR - SDF

EWRSDF

Newark

Tue 17/3

05:45-14:38

1 stop8h 53m

Louisville Intl

Wed 18/3

12:33-23:52

1 stop11h 19m

£202

NewarkLouisville

EWR - SDF

EWRSDF

Newark

Mon 2/2

16:58-19:31

Nonstop2h 33m

Louisville Intl

Tue 17/2

10:45-12:57

Nonstop2h 12m

£212

NewarkLouisville

EWR - SDF

EWRSDF

Newark

Thu 19/2

21:25-23:59

Nonstop2h 34m

Louisville Intl

Sun 22/2

10:45-12:57

Nonstop2h 12m

£212

NewarkLouisville

EWR - SDF

EWRSDF

Newark

Tue 3/2

10:24-12:59

Nonstop2h 35m

Louisville Intl

Sun 22/2

10:45-12:57

Nonstop2h 12m

£212

NewarkLouisville

EWR - SDF

EWRSDF

Newark

Wed 4/2

20:45-23:23

Nonstop2h 38m

Louisville Intl

Fri 20/2

10:45-12:57

Nonstop2h 12m

£212

NewarkLouisville

EWR - SDF

EWRSDF

Newark

Wed 4/2

10:30-13:05

Nonstop2h 35m

Louisville Intl

Wed 18/2

10:45-12:57

Nonstop2h 12m

£212

Flights are sorted by cheapest return flights first.

Deals found on 16/11

Showing 1-10 of 18 results
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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?

Use this chart to determine the optimal time to book a return flight from Newark to Louisville. Price data was last updated on 14 November 2025.

The best time to book flights from Newark Airport to Louisville is 59 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, April is the cheapest month in which you can book a flight from Newark Airport to Louisville (average of £45). Flying from Newark Airport to Louisville in September is currently the most expensive (average of £131). 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 17 November 2025.

It’s optimal to fly from Newark Airport to Louisville in the morning. By choosing this option you can save up to 44% on the cost of your flight, compared to a flight at midday.

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 7 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?

    Delta can get you from Newark Airport to Louisville in just under 7h 51m. Your travel time can differ by up to . Airlines will cover a distance of 640 mi.

  • 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: United Airlines (76%), Republic Airways (76%), Lufthansa( 71%).

  • 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, April is the cheapest month in which you can book a flight from Newark Airport to Louisville (average of £45). Flying from Newark Airport to Louisville in September is currently the most expensive (average of £131). 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

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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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