How long does the flight from Washington to Las Vegas take?

Flight time from Washington (IAD) to Las Vegas (LAS) depends on routing, aircraft type, and whether the flight is direct or connecting. A direct flight typically reflects great-circle distance plus winds, while one-stop options can add several hours depending on the layover airport. Check the exact duration in the search results above, where we show block time per itinerary along with stop count.

Which airlines fly from Washington to Las Vegas?

Airline availability for IAD to LAS changes by season and sometimes week to week as carriers adjust capacity. Our search above pulls live schedules and returns the airlines currently selling this route, both direct and connecting. Codeshare and interline itineraries are included, so you may see results operated by one carrier but sold by another.

Are there direct flights from Washington to Las Vegas?

Direct (nonstop) availability on IAD to LAS varies by date, day of week, and season. Busy city pairs usually have multiple daily nonstops, while thinner routes may only have direct service a few days per week or only during peak seasons. Use our search above with flexible dates to see which days actually have nonstop options.

What is the cheapest month to fly from Washington to Las Vegas?

Prices on IAD to LAS shift with seasonality, school holidays, and major events at both ends. Our 12-month price calendar below the search results shows the lowest fare found per departure date, which makes it easy to spot the cheapest weeks at a glance. Flexibility of a few days around your target date often unlocks significantly lower fares.

Washington to Las Vegas flights

Direct and connecting flights from Washington (IAD) to Las Vegas (LAS). Compare airlines, aircraft, and fares.

Distance: 3,316 km (2,060 mi)
Flight time: ~4h 14m
Airlines: 2
Aircraft types: 2

Airlines flying IAD → LAS

Airline	Aircraft types	Observations
United Airlines	1	1
Frontier Airlines	1	1

Aircraft on this route

Boeing 737 — 1 operator
Airbus A320 — 1 operator

Airport details

Departure: Washington Dulles International Airport (IAD)

City: Washington
Country: US
IATA / ICAO: IAD / KIAD

Arrival: Harry Reid International Airport (LAS)

City: Las Vegas
Country: US
IATA / ICAO: LAS / KLAS

Operating airlines

Frontier Airlines (F9)
United Airlines (UA)

Distance: 3324 km. Duration: 317 minutes.

Other routes from Washington

Other routes to Las Vegas

Frequently asked questions

How many airlines fly IAD to LAS?

2 airlines operate the IAD to LAS route in our 90-day observed dataset.

What aircraft fly the IAD-LAS route?

The most commonly observed aircraft on IAD to LAS include: Boeing 737, Airbus A320.

How long is the Washington to Las Vegas flight?

The estimated flight time from Washington (IAD) to Las Vegas (LAS) is approximately 4h 14m, based on a cruise speed of 850 km/h.

What's the distance from Washington to Las Vegas?

The great-circle distance from Washington (IAD) to Las Vegas (LAS) is approximately 3,316 km (2,060 miles).

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