Direct (nonstop) flights from New York to Louisville
2 airlines fly nonstop from Newark Liberty International (EWR) to Louisville International Airport (SDF). It's 641 miles (1,032 km), about 2h 26m in the air. Operated by Spirit Airlines, United Airlines.
Spirit Airlines
United Airlines
Route data last updated: May 28, 2026
Airlines with non-stop flights
NK
Spirit Airlines
UA
United Airlines
Alternative Routes
Other ways to fly from New York to Louisville with one stop · direct emits 119 kg CO₂ per passenger
Looking for the return flight?
SDF → EWR: Flights from Louisville to New YorkOther direct flights from New York
Direct flights from Louisville (SDF)
Frequently Asked Questions
How long is the direct flight from New York to Louisville?
A nonstop flight from New York (EWR) to Louisville (SDF) takes approximately 2 hours and 26 minutes. The distance is 641 miles (1,032 km).
Which airlines fly nonstop from New York to Louisville?
2 airlines: Spirit Airlines, United Airlines.
Is there a nonstop flight from New York to Louisville?
Yes. 2 airlines: Spirit Airlines, United Airlines.
How far is New York from Louisville?
The flight distance from New York to Louisville is 641 miles (1,032 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as the length of Italy.
What type of aircraft flies from New York to Louisville?
At 2h 26m, this route typically uses narrow-body or mid-range jets — Boeing 737 MAX or Airbus A320neo. Varies by airline.
What is the carbon footprint of a flight from New York to Louisville?
Roughly 119 kg CO2 per passenger one-way. That's about the same as driving 595 km.
Is the return flight from Louisville to New York also nonstop?
Yes — nonstop flights run both ways. Flight time may differ slightly due to wind patterns.
When is the cheapest time to fly from New York to Louisville?
Midweek flights (Tue/Wed) outside holiday peaks are usually cheapest. 3-6 weeks ahead is a good window for this route. Use "Check Prices" above to compare.
How early should I arrive at Newark Liberty International for this flight?
1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.