Cheap flights from Newark Airport to Louisville from £119

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 19/9. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — SDF
23 Aug — 30 Aug1
1 adult

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 18 August 2025.

Round-trip from

£154

One-way from

£119

Popular in

December

Cheapest in

March

Average price

£254
United Airlines
  • United Airlines
  • 27/9-1/10
  • Nonstop
  • 4h 45m total
  • Newark to Louisville
United Airlines
  • United Airlines
  • 19/9
  • Nonstop
  • 2h 28m total
  • Newark to Louisville
Highest demand for flights based on searches. 7% potential increase in price (£15 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£5 potential savings vs. average return price).
Average for round-trip flights in August 2025

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 18 August 2025.

Sat 13/920:30EWR - SDF
Nonstop2h 28mUnited Airlines
Sat 20/906:15SDF - EWR
Nonstop2h 14mUnited Airlines
Deal found 16/8£154
Thu 30/1021:05EWR - SDF
Nonstop2h 35mUnited Airlines
Sun 2/1105:45SDF - EWR
Nonstop2h 10mUnited Airlines
Deal found 16/8£158
Thu 4/910:30EWR - SDF
Nonstop2h 19mUnited Airlines
Wed 10/906:15SDF - EWR
Nonstop2h 14mUnited Airlines
Deal found 17/8£162
Fri 24/1014:00EWR - SDF
1 stop6h 48mUnited Airlines
Sun 26/1006:45SDF - EWR
Nonstop2h 10mUnited Airlines
Deal found 16/8£167
Sat 4/1006:00EWR - SDF
1 stop3h 46mDelta
Tue 14/1009:34SDF - EWR
1 stop4h 55mDelta
Deal found 18/8£169
Sat 25/1006:00EWR - SDF
1 stop3h 50mDelta
Mon 27/1020:15SDF - EWR
1 stop4h 44mDelta
Deal found 18/8£172
Thu 4/916:49EWR - SDF
1 stop5h 35mUnited Airlines
Sat 6/906:15SDF - EWR
Nonstop2h 14mUnited Airlines
Deal found 17/8£176
Thu 28/806:12EWR - SDF
1 stop5h 40mSpirit Airlines
Thu 28/814:46SDF - EWR
1 stop6h 14mSpirit Airlines
Deal found 16/8£181
Wed 27/806:00EWR - SDF
1 stop5h 45mDelta
Thu 11/919:33SDF - EWR
1 stop5h 23mDelta
Deal found 18/8£186
Fri 14/1116:27EWR - SDF
Nonstop2h 27mUnited Airlines
Mon 17/1114:35SDF - EWR
1 stop4h 35mUnited Airlines
Deal found 17/8£191
Wed 27/813:20EWR - SDF
1 stop5h 38mUnited Airlines
Tue 2/913:59SDF - EWR
1 stop5h 13mUnited Airlines
Deal found 17/8£193

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 18 August 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

Sat 4/10

21:00-23:30

Nonstop2h 30m

Louisville Intl

Wed 8/10

06:15-08:28

Nonstop2h 13m

£154

NewarkLouisville

EWR - SDF

EWRSDF

Newark

Sat 25/10

21:00-23:30

Nonstop2h 30m

Louisville Intl

Sun 26/10

06:45-08:55

Nonstop2h 10m

£154

NewarkLouisville

EWR - SDF

EWRSDF

Newark

Sat 13/9

20:30-22:58

Nonstop2h 28m

Louisville Intl

Sat 20/9

06:15-08:29

Nonstop2h 14m

£154

NewarkLouisville

EWR - SDF

EWRSDF

Newark

Tue 21/10

20:30-23:00

Nonstop2h 30m

Louisville Intl

Sat 25/10

06:15-08:28

Nonstop2h 13m

£154

NewarkLouisville

EWR - SDF

EWRSDF

Newark

Thu 30/10

21:05-23:40

Nonstop2h 35m

Louisville Intl

Sun 2/11

05:45-07:55

Nonstop2h 10m

£158

NewarkLouisville

EWR - SDF

EWRSDF

Newark

Sat 27/9

21:00-23:30

Nonstop2h 30m

Louisville Intl

Wed 1/10

08:45-14:59

1 stop6h 14m

£162

NewarkLouisville

EWR - SDF

EWRSDF

Newark

Thu 2/10

20:30-23:00

Nonstop2h 30m

Louisville Intl

Sat 4/10

08:45-13:59

1 stop5h 14m

£162

NewarkLouisville

EWR - SDF

EWRSDF

Newark

Wed 8/10

14:00-20:48

1 stop6h 48m

Louisville Intl

Sun 12/10

06:15-08:28

Nonstop2h 13m

£162

NewarkLouisville

EWR - SDF

EWRSDF

Newark

Sat 20/9

20:30-22:58

Nonstop2h 28m

Louisville Intl

Sat 27/9

17:48-22:59

1 stop5h 11m

£162

NewarkLouisville

EWR - SDF

EWRSDF

Newark

Fri 19/9

20:29-22:57

Nonstop2h 28m

£119

Flights are sorted by cheapest return flights first.

Deals found on 18/8

Showing 1-10 of 17 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 8 August 2025.

The best time to book flights from Newark Airport to Louisville is 87 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, January is the cheapest month in which you can book a flight from Newark Airport to Louisville (average of £662). Flying from Newark Airport to Louisville in July is currently the most expensive (average of £1,019). 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 18 August 2025.

It’s optimal to fly from Newark Airport to Louisville in the morning. By choosing this option you can save up to 45% on the cost of your flight, compared to a flight at midday.

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 2 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 can get you from Newark Airport to Louisville in just under 2h 30m. Your travel time will be generally consistent. Airlines will cover a distance of 640 mi. All flights are typically direct.

  • 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: GoJet (100%), United Airlines (70%), Air Canada( 67%).

  • 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, January is the cheapest month in which you can book a flight from Newark Airport to Louisville (average of £662). Flying from Newark Airport to Louisville in July is currently the most expensive (average of £1,019). 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

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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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