Direct (nonstop) flights from Louisville to Dulles
1 airline flys nonstop from Louisville International Airport (SDF) to Washington Dulles International (IAD). It's 452 miles (727 km), about 1h 40m in the air. Operated by United Airlines.
United Airlines
Route data last updated: May 30, 2026
Airlines with non-stop flights
UA
United Airlines
Alternative Routes
Other ways to fly from Louisville to Dulles with one stop · direct emits 84 kg CO₂ per passenger
Looking for the return flight?
IAD → SDF: Flights from Dulles to LouisvilleOther direct flights from Louisville
Direct flights from Dulles (IAD)
Frequently Asked Questions
How long is the direct flight from Louisville to Dulles?
A nonstop flight from Louisville (SDF) to Dulles (IAD) takes approximately 1 hours and 40 minutes. The distance is 452 miles (727 km).
Which airlines fly nonstop from Louisville to Dulles?
Just United Airlines.
Is there a nonstop flight from Louisville to Dulles?
Yes. 1 airline: United Airlines.
How far is Louisville from Dulles?
The flight distance from Louisville to Dulles is 452 miles (727 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as Mumbai to Goa.
What type of aircraft flies from Louisville to Dulles?
At 1h 40m, this route typically uses narrow-body aircraft — Boeing 737 or Airbus A320. Varies by airline.
What is the carbon footprint of a flight from Louisville to Dulles?
Roughly 84 kg CO2 per passenger one-way. That's about the same as driving 420 km.
Is the return flight from Dulles to Louisville 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 Louisville to Dulles?
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 Louisville International Airport for this flight?
1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.