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Cheap Flights from Washington Dulles to Las Vegas Harry Reid International

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Flight deals from Washington Dulles to Las Vegas Harry Reid International

Looking for a cheap last-minute deal or the best return flight from Washington Dulles to Las Vegas Harry Reid International? Find the lowest prices on one-way and return tickets right here.
Las Vegas.145 € per passenger.Departing Wed, 21 May, returning Wed, 11 Jun.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Washington Dulles on Wed, 21 May, arriving in Las Vegas Harry Reid International.Inbound direct flight with Frontier Airlines departs from Las Vegas Harry Reid International on Wed, 11 Jun, arriving in Washington Dulles.Price includes taxes and charges.From 145 €, select.
Las Vegas.145 € per passenger.Departing Tue, 17 Jun, returning Tue, 24 Jun.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Washington Dulles on Tue, 17 Jun, arriving in Las Vegas Harry Reid International.Inbound direct flight with Frontier Airlines departs from Las Vegas Harry Reid International on Tue, 24 Jun, arriving in Washington Dulles.Price includes taxes and charges.From 145 €, select.
Las Vegas.145 € per passenger.Departing Tue, 20 May, returning Wed, 28 May.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Washington Dulles on Tue, 20 May, arriving in Las Vegas Harry Reid International.Inbound direct flight with Frontier Airlines departs from Las Vegas Harry Reid International on Wed, 28 May, arriving in Washington Dulles.Price includes taxes and charges.From 145 €, select.
Las Vegas.149 € per passenger.Departing Tue, 15 Jul, returning Tue, 22 Jul.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Washington Dulles on Tue, 15 Jul, arriving in Las Vegas Harry Reid International.Inbound direct flight with Frontier Airlines departs from Las Vegas Harry Reid International on Tue, 22 Jul, arriving in Washington Dulles.Price includes taxes and charges.From 149 €, select.
Las Vegas.150 € per passenger.Departing Tue, 12 Aug, returning Wed, 13 Aug.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Washington Dulles on Tue, 12 Aug, arriving in Las Vegas Harry Reid International.Inbound direct flight with Frontier Airlines departs from Las Vegas Harry Reid International on Wed, 13 Aug, arriving in Washington Dulles.Price includes taxes and charges.From 150 €, select.
Las Vegas.202 € per passenger.Departing Tue, 8 Apr, returning Fri, 11 Apr.Return flight with United.Outbound direct flight with United departs from Washington Dulles on Tue, 8 Apr, arriving in Las Vegas Harry Reid International.Inbound direct flight with United departs from Las Vegas Harry Reid International on Fri, 11 Apr, arriving in Washington Dulles.Price includes taxes and charges.From 202 €, select.
Las Vegas.202 € per passenger.Departing Sun, 27 Apr, returning Thu, 1 May.Return flight with United.Outbound direct flight with United departs from Washington Dulles on Sun, 27 Apr, arriving in Las Vegas Harry Reid International.Inbound direct flight with United departs from Las Vegas Harry Reid International on Thu, 1 May, arriving in Washington Dulles.Price includes taxes and charges.From 202 €, select.
Las Vegas.214 € per passenger.Departing Tue, 1 Jul, returning Mon, 18 Aug.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Washington Dulles on Tue, 1 Jul, arriving in Las Vegas Harry Reid International.Inbound direct flight with Frontier Airlines departs from Las Vegas Harry Reid International on Mon, 18 Aug, arriving in Washington Dulles.Price includes taxes and charges.From 214 €, select.

Find the cheapest month to fly from Washington Dulles to Las Vegas Harry Reid International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Washington Dulles to Las Vegas Harry Reid International flights are currently cheapest in May.
Mar
from 350 €
Apr
from 202 €
May
from 145 €
Jun
from 145 €
Jul
from 149 €
Aug
from 150 €
Sep
from 265 €
Oct
from 265 €
Nov
from 265 €
Dec
from 265 €
Jan
from 265 €
Feb
Find prices

Direct flights from Washington Dulles to Las Vegas Harry Reid International

Washington Dulles to Las Vegas Harry Reid International: Alternative routes

Compare routes from Washington Dulles to Las Vegas below. You may find an airport to fly into that's cheaper, faster, or easier than Las Vegas Harry Reid International.

Washington D.C. to Las Vegas: Flight information

The things to know before you go.
Cheapest flight found145 €
Cheapest month to flyMay
Average flight time5 hrs, 14 mins
Most popular airlineUnited
Average flights per week53

Finding cheap flights from Washington Dulles to Las Vegas Harry Reid International: Frequently asked questions

The best price we found for a return flight from Washington Dulles to Las Vegas Harry Reid International is 145 €. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
5 hours and 14 minutes is the average flight time from Washington Dulles to Las Vegas Harry Reid International.
United, Brussels Airlines and Frontier Airlines fly direct from Washington Dulles to Las Vegas Harry Reid International.
As of March 2025, there are 53 flights per week flying from Washington Dulles to Las Vegas Harry Reid International.
The cheapest month to fly from Washington Dulles to Las Vegas Harry Reid International is usually March 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Washington Dulles Airport to Las Vegas Harry Reid International Airport on Tuesday, 20 May 2025.
Yes – the average flight time is 5 hours and 14 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Las Vegas Harry Reid International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Las Vegas is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Frontier Airlines offers the cheapest flight tickets to Las Vegas Harry Reid International.

Travelling from Washington Dulles International Airport (IAD) to Harry Reid Airport (formerly McCarran Airport) (LAS): what you need to know

  • 5 hours 6 minutes is the average time for a direct flight from Washington Dulles International Airport to Harry Reid Airport (formerly McCarran Airport). Las Vegas is 3 hours behind Washington DC and is in the UTC-7 timezone.

  • Flights from Washington Dulles International Airport to Harry Reid Airport (formerly McCarran Airport) start at 08:15 — the earliest with United Airlines. The latest flight is the 23:43 option with United Airlines. In total, you can take your pick of 22 services every week from IAD to LAS.

  • If you're jetting off during a major holiday or other peak period, give yourself extra time. A good rule is two hours ahead of domestic flights and up to four hours before international departures. Security and check-in lines will be longer.

  • We make it a cinch to book a flight with a stopover. To see your options for flights from Washington Dulles International Airport to Harry Reid Airport (formerly McCarran Airport), deselect 'Direct flights only.' Then, pick a flight offering a stop long enough to tour the city of your choice. Popular stopovers between IAD and LAS include:

    • Phoenix Sky Harbour International Airport

    • Nashville International Airport

    • Denver International Airport

How to find the cheapest flights from Washington Dulles International Airport (IAD) to Harry Reid Airport (formerly McCarran Airport) (LAS)

  • The best price we've found for a one-way ticket from Washington Dulles International Airport to Harry Reid Airport (formerly McCarran Airport) is 73 €. The cheapest price for a return flight is 145 €. Remember that fares can change due to demand when booking.

  • To secure cheap tickets from IAD to LAS, book your trip 9 months ahead of your planned departure.

  • The cheapest month for tickets from Washington Dulles International Airport to Harry Reid Airport (formerly McCarran Airport) is May. Use the 'Whole month' tool to find the lowest airfares if you have flexible dates.

  • Log into your online account or use the app to set up a Price Alert. We'll get in touch straight away if there's a better deal on this route. It doesn't take long, and it'll save you the hassle of searching for cheap tickets from IAD to LAS every day.

  • Tailor your trip with filters. Choose your ideal departure and arrival times, total journey duration and airlines. You can also sort results by 'Fastest,' 'Best' or 'Cheapest' flights from Washington Dulles International Airport to Harry Reid Airport (formerly McCarran Airport).

Handy information about Washington Dulles International Airport (IAD)

Arriving at Harry Reid Airport (formerly McCarran Airport) (LAS)

  • If you have a late flight from Washington Dulles International Airport to Harry Reid Airport (formerly McCarran Airport), few things beat the convenience of staying close to the terminal. Grab your bags from the carousel and then be showered and sleeping soon after at one of these hotels near LAS:

Getting from Harry Reid Airport (formerly McCarran Airport) (LAS) to central Las Vegas

  • From Harry Reid Airport (formerly McCarran Airport), Las Vegas is approximately 19 kilometres away. It takes around 15 minutes to get to the centre driving.

  • Travelling on public transport takes roughly 1 hour.

When to fly to Harry Reid Airport (formerly McCarran Airport) (LAS)

  • It's time to choose your travel dates for your flight from Washington Dulles International Airport to Harry Reid Airport (formerly McCarran Airport). October is the most popular month to visit Las Vegas. If you want a more relaxed vibe, go in May.

  • The warmest month in Las Vegas is July, with the temperature ranging between 23ºC and 42ºC. Lock in your flights from Washington Dulles International Airport to Harry Reid Airport (formerly McCarran Airport) in this month if this is the type of weather you enjoy.

  • January has average temperatures of between -1ºC and 13ºC. Look for cheap tickets from IAD to LAS around that time if you want to travel in cooler conditions.

More about Las Vegas

  • Once you've booked your flights from IAD to LAS, you'll want to find a place to stay in Las Vegas. Make one of these accommodation options your base for exploring this exciting city:

  • Every great adventure has to include a little sightseeing. Las Vegas Strip, Fountains of Bellagio and Fremont Street Experience are must-do's during your Las Vegas adventure.

Complete your Las Vegas trip with hotels and a car rental

  • Comparing flights is not the only thing we're good at. After booking your cheap ticket to Harry Reid Airport (formerly McCarran Airport), check out our great car rental offers that'll give you the flexibility and freedom to see the sights at your own pace. Next, take a look at our exclusive rates for hotels to find the perfect Las Vegas stay.

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Prices shown on this page are estimated lowest prices only. Found in the last 45 days.