Direct (nonstop) flights from Dulles to Las Vegas

2 airlines fly nonstop from Washington Dulles International (IAD) to Harry Reid International Airport (LAS). It's 2,065 miles (3,324 km), about 5h 17m in the air. Operated by Frontier Airlines, United Airlines.

IAD
Washington Dulles International
🇺🇸 Dulles, USA
LAS
Harry Reid International Airport
🇺🇸 Las Vegas, USA
Flight Time
5h 17m
Distance
2,065 mi
3,324 km
CO₂/pax
349 kg
−33 kg vs. layover
Airlines
2
Frontier Airlines +1
Time Diff
-3h
Operated by Frontier Airlines Frontier Airlines United Airlines United Airlines

Route data last updated: May 29, 2026

Airlines with non-stop flights

Frontier Airlines F9 Frontier Airlines
Route
IAD → LAS
Flight Time
5h 17m
Distance
2,065 mi
United Airlines UA United Airlines
Route
IAD → LAS
Flight Time
5h 17m
Distance
2,065 mi

Alternative Routes

Other ways to fly from Dulles to Las Vegas with one stop · direct emits 349 kg CO₂ per passenger

IAD IND (Indianapolis) LAS
Leg 1: 1h 49m (476 mi) Leg 2: 4h (1,589 mi) Total: ~5h 49m 🍃 382 kg CO₂ (+9% vs. direct)
Leg 1
IAD → IND
1h 49m · 476 mi
View IAD to IND flights →
Leg 2
IND → LAS
4h · 1,589 mi
View IND to LAS flights →
IAD CMH (Columbus) LAS
Leg 1: 1h 26m (299 mi) Leg 2: 4h 25m (1,770 mi) Total: ~5h 51m 🍃 379 kg CO₂ (+9% vs. direct)
Leg 1
IAD → CMH
1h 26m · 299 mi
View IAD to CMH flights →
Leg 2
CMH → LAS
4h 25m · 1,770 mi
View CMH to LAS flights →
IAD PIT (Pittsburgh) LAS
Leg 1: 1h 7m (183 mi) Leg 2: 4h 45m (1,908 mi) Total: ~5h 52m 🍃 381 kg CO₂ (+9% vs. direct)
Leg 1
IAD → PIT
1h 7m · 183 mi
View IAD to PIT flights →
Leg 2
PIT → LAS
4h 45m · 1,908 mi
View PIT to LAS flights →
IAD TYS (Knoxville) LAS
Leg 1: 1h 34m (420 mi) Leg 2: 4h 18m (1,739 mi) Total: ~5h 52m 🍃 397 kg CO₂ (+14% vs. direct)
Leg 1
IAD → TYS
1h 34m · 420 mi
View IAD to TYS flights →
Leg 2
TYS → LAS
4h 18m · 1,739 mi
View TYS to LAS flights →
IAD MCI (Kansas City) LAS
Leg 1: 2h 48m (926 mi) Leg 2: 3h 5m (1,138 mi) Total: ~5h 53m 🍃 388 kg CO₂ (+11% vs. direct)
Leg 1
IAD → MCI
2h 48m · 926 mi
View IAD to MCI flights →
Leg 2
MCI → LAS
3h 5m · 1,138 mi
View MCI to LAS flights →

Frequently Asked Questions

How long is the direct flight from Dulles to Las Vegas?

A nonstop flight from Dulles (IAD) to Las Vegas (LAS) takes approximately 5 hours and 17 minutes. The distance is 2,065 miles (3,324 km).

Which airlines fly nonstop from Dulles to Las Vegas?

2 airlines: Frontier Airlines, United Airlines.

Is there a nonstop flight from Dulles to Las Vegas?

Yes. 2 airlines: Frontier Airlines, United Airlines.

How far is Dulles from Las Vegas?

The flight distance from Dulles to Las Vegas 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 Dulles to Las Vegas?

At 5h 17m, 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 Dulles to Las Vegas?

Roughly 349 kg CO2 per passenger one-way. That's about the same as driving 1,745 km.

Is the return flight from Las Vegas to Dulles 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 Dulles to Las Vegas?

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 Washington Dulles International for this flight?

1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.