The cheapest times to fly from SDF to EWR are

  • January 1st to March 4th
  • July 30th to November 18th
  • early December

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from SDF to EWR is late January and early February. Prices can be as high as $700 for Sunday flights during late March, or as low as $221 for Tuesday flights around late January and early February.


When to Fly to Newark

Flying from Louisville, KY (SDF) to Newark, NJ (EWR) will usually cost between $224 to $417 per person if booking more than four weeks in advance. On average the very cheapest time to fly is late January and early February with an average ticket price of $222. Due to high demand the most expensive time to fly is late March, with an average price of $389. Planning your trip to low-cost times can easily save you $167 on economy flights and even more on first-class flights. Generally, any price below $251 can be considered a good price for a round-trip SDF to EWR flight.

See below for a graph of average weekly prices for the SDF to EWR route. All prices are for round-trip tickets in USD.

SDF to EWR Flight Prices

Compared to other flights, the SDF to EWR flight is much cheaper than the average and costs much less than the average flight leaving from Louisville. The average price per mile (for a direct flight) is $0.24, which is below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to depart and return on this flight. Sundays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $104 (31%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $235. Return trip prices are from the EWR to SDF flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from SDF to EWR can generally find a 0-layover flight. Because there is a direct flight option the real-world direct flight time of 2 hour 8 minutes may be realistic.


Alternative Nearby Airports

Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is a nonstop flight from SDF to EWR while comparing.

Destination alternative #1: LaGuardia Airport (LGA) in New York, NY

  • 17 miles (27 km) away from EWR
  • Usually 17.37% less expensive than EWR
  • Nonstop flights available

See SDF to LGA flights

Destination alternative #2: Westchester County Airport (HPN) in White Plains, NY

  • 35 miles (56 km) away from EWR
  • Usually 2.99% less expensive than EWR
  • 1-layover flights available

See SDF to HPN flights

Destination alternative #3: Long Island MacArthur Airport (ISP) in Islip, NY

  • 56 miles (90 km) away from EWR
  • Usually 1.60% less expensive than EWR
  • 1-layover flights available

See SDF to ISP flights

Destination alternative #4: John F. Kennedy International Airport (JFK) in New York, NY

  • 21 miles (34 km) away from EWR
  • Usually 1.40% less expensive than EWR
  • 1-layover flights available

See SDF to JFK flights


Flight Questions Answered

Still have questions about flying from SDF to EWR? We’ve got answers.

Which airlines fly this route?

You can find 6 major airlines flying this route most often: American, Delta, Frontier, Qantas, Southwest, United, and potentially more during busy seasons.

How far away is it from Newark Liberty International Airport to Louisville International-Standiford Field Airport?

The distance between the two airports is roughly 641 miles or 1032 kilometers.

How long does it take to fly from SDF to EWR?

The real-world flight time for a nonstop SDF to EWR flight is about 2 hour 8 minutes.

How many flights go between Louisville, KY and Newark, NJ?

It depends on the day of the week and the date, but a typical day might have around 69 available flights from SDF to EWR.


Airport Location Info


Departing Airport

Origination code SDF
Origination airport name Louisville International-Standiford Field Airport
City Louisville, KY
Country the United States
Latitude 38.2
Longitude -85.7

Return Airport

Destination code EWR
Destination airport name Newark Liberty International Airport
City Newark, NJ
Country the United States
Latitude 40.7
Longitude -74.2


Late and Early Flight Data

Flights from SDF to EWR tend to depart as late as the average flight. According to our recently updated data, 24% of flights departed 5 or more minutes late, and 29% of flights left 5 or more minutes early. On average you can expect to leave EWR heading for SDF about 26 minutes late. This does significantly impact arrival time, as the average landing time in Newark, NJ is about 26 minutes late. The numbers below show a recent average of take-off times versus the scheduled departure flight:

  • Republic: on time
  • ExpressJet: 51 minutes late
  • Some airlines not reporting


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.