Direct (nonstop) flights from Las Vegas to Dulles
2 airlines fly nonstop from Harry Reid International Airport (LAS) to Washington Dulles International (IAD). It's 2,065 miles (3,324 km), about 4h 36m in the air. Operated by Frontier Airlines, United Airlines.
Frontier Airlines
United Airlines
Route data last updated: May 27, 2026
Airlines with non-stop flights
F9
Frontier Airlines
UA
United Airlines
Alternative Routes
Other ways to fly from Las Vegas to Dulles with one stop · direct emits 349 kg CO₂ per passenger
Looking for the return flight?
IAD → LAS: Flights from Dulles to Las VegasOther direct flights from Las Vegas
Direct flights from Dulles (IAD)
Frequently Asked Questions
How long is the direct flight from Las Vegas to Dulles?
A nonstop flight from Las Vegas (LAS) to Dulles (IAD) takes approximately 4 hours and 36 minutes. The distance is 2,065 miles (3,324 km).
Which airlines fly nonstop from Las Vegas to Dulles?
2 airlines: Frontier Airlines, United Airlines.
Is there a nonstop flight from Las Vegas to Dulles?
Yes. 2 airlines: Frontier Airlines, United Airlines.
How far is Las Vegas from Dulles?
The flight distance from Las Vegas to Dulles is 2,065 miles (3,324 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as New York to Los Angeles.
What type of aircraft flies from Las Vegas to Dulles?
At 4h 36m, 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 Las Vegas to Dulles?
Roughly 349 kg CO2 per passenger one-way. That's about the same as driving 1,745 km.
Is the return flight from Dulles to Las Vegas 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 Las Vegas 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 Harry Reid International Airport for this flight?
1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.