Cheap Flights from Washington D.C. to Las Vegas

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Compare Washington D.C. to Las Vegas Harry Reid International flight deals

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Flight deals from Washington D.C. to Las Vegas Harry Reid International

Looking for a cheap last-minute deal or the best return flight from Washington D.C. to Las Vegas Harry Reid International? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Washington D.C. 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 D.C. to Las Vegas Harry Reid International flights are currently cheapest in March.

Direct flights from Washington D.C. to Las Vegas Harry Reid International

Washington D.C. to Las Vegas Harry Reid International: Alternative routes

Compare routes from Washington D.C. 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 found$184
Cheapest month to flyMarch
Average flight time5 hrs, 17 mins
Most popular airlineSouthwest Airlines
Average flights per week246

Finding cheap flights from Washington D.C. to Las Vegas Harry Reid International: Frequently asked questions

The best price we found for a return flight from Washington D.C. to Las Vegas Harry Reid International is $184. 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 17 minutes is the average flight time from Washington D.C. to Las Vegas Harry Reid International.
Southwest Airlines, United and Spirit Airlines fly direct from Washington D.C. to Las Vegas Harry Reid International.
As of February 2025, there are 123 flights per week flying from Washington D.C. to Las Vegas Harry Reid International.
The cheapest month to fly from Washington D.C. to Las Vegas Harry Reid International is usually February 2025.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Washington D.C. to Las Vegas Harry Reid International Airport on Tuesday, 11 March 2025.
Yes – the average flight time is 5 hours and 17 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.
The cheapest airline that flies to Las Vegas Harry Reid International is Spirit Airlines .

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

  • Kick off your journey at one of Washington DC's main airports, Ronald Reagan National Airport (DCA) or Washington Dulles International Airport (IAD). Check out your options for booking a flight from Washington DC to Harry Reid Airport (formerly McCarran Airport) (LAS) jetting off from either of these.

  • Around 5 hours 22 minutes is how long you can expect to be travelling on a direct flight from Washington DC to Harry Reid Airport (formerly McCarran Airport).

  • The timezone in Las Vegas is UTC-7, which is 3 hours behind Washington DC. Harry Reid Airport (formerly McCarran Airport) is located in Las Vegas.

  • The busiest route is from Ronald Reagan National Airport (DCA) to Harry Reid Airport (formerly McCarran Airport) (LAS), with 29 direct services every week. If you want to get going as soon as possible, the earliest flight from DCA to LAS is the 06:05 Southwest Airlines option. If you prefer travelling later, the last departure is at 22:39 with Spirit Airlines.

  • Leave plenty of time to get on your flight from Washington DC to LAS. A good rule of thumb is to arrive two hours before international departures and an hour ahead for domestic flights.

  • With more people on the move during busy months like July, get to the terminal earlier than usual. Two hours for domestic flights and up to four for international journeys will allow extra time for delays. Remember things also get busy during major holidays like July Fourth.

Airports in Washington DC

Ronald Reagan National Airport (DCA)

  • Enjoy an uninterrupted journey from Ronald Reagan National Airport (DCA). Nonstop flights from Washington DC to Harry Reid Airport (formerly McCarran Airport) Airport (LAS) are available from here.

  • American Airlines is a popular carrier that operates direct flights from Washington DC to Harry Reid Airport (formerly McCarran Airport) Airport taking off from DCA.

  • From central Washington DC, DCA is around 8 kilometres away. Use navigation apps or visit the official airport website to work out the best way to reach the terminal.

  • Searching for a handy hotel close to Ronald Reagan National Airport? If you're boarding an early flight from Washington DC to Harry Reid Airport (formerly McCarran Airport) Airport, these stays will put you moments from your departure lounge:

Washington Dulles International Airport (IAD)

  • Washington Dulles International Airport (IAD) has direct flights from Washington DC to Harry Reid Airport (formerly McCarran Airport) (LAS).

  • United operates direct flights from Washington DC to LAS departing from IAD. Book your favourite window seat and reach your destination without any detours.

  • You can get to IAD from central Washington DC in about 51 minutes by car (depending on traffic conditions). The journey on public transport takes roughly 3 hours and 26 minutes to cover the 56 kilometres or so.

  • It's your holiday, so why not book an extra night away? Consider kicking back in one of these accommodation options near Washington Dulles International Airport the day before your flight from Washington DC to LAS:

About Harry Reid Airport (formerly McCarran Airport) Airport (LAS)

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

  • Harry Reid Airport (formerly McCarran Airport) Airport is approximately 19 kilometres from central Las Vegas. With a car rental or if you're catching a cab, the drive is around 15 minutes.

  • It takes roughly 1 hour to get there using public transport.

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

  • Book a one-way ticket from Washington DC to Harry Reid Airport (formerly McCarran Airport) Airport from $91 or travel return from just $184. Fares listed are subject to change and may differ when you make your booking.

  • Lock in flight tickets from Washington DC to LAS by booking at least 8 months ahead. According to flight price data, that's the sweet spot for bagging a bargain.

  • To get the best price on your tickets from Washington DC to Harry Reid Airport (formerly McCarran Airport) Airport, schedule your trip for May (it has the cheapest flights). Travel dates flexible? Use the 'Whole month' search function to see the most affordable day to fly.

  • Create a Price Alert and track any changes on this route through email or push notifications. You'll be the first to know when prices go down. It's all about timing when scoring flight tickets from Washington DC to LAS.

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

The best time to fly from Washington DC to Harry Reid Airport (formerly McCarran Airport) Airport (LAS)

  • May is the quietest time to fly to Las Vegas. Alternatively, follow the crowds and visit in October. This is the busiest month for flights from Washington DC to Harry Reid Airport (formerly McCarran Airport) Airport.

  • Schedule your flight from Washington DC to LAS for July if you're eager to explore the city during its warmest month. You can expect temperatures in Las Vegas to range from 23ºC to 42ºC.

  • January has average temperatures of between -1ºC and 13ºC. Look for cheap flights from Washington DC to Harry Reid Airport (formerly McCarran Airport) Airport around that time if you want to travel when it's cooler.

More about Las Vegas

  • Once you've booked your flight from Washington DC to Harry Reid Airport (formerly McCarran Airport) Airport, think about where you want to stay in this city. Make one of these accommodation options your base for exploring Las Vegas:

  • Every great adventure has to include a little sightseeing. Las Vegas Strip, Fountains of Bellagio and Fremont Street Experience are attractions you won't want to skip in Las Vegas.

Complete your Las Vegas trip with a car rental

  • We use the same magic that helped you find your cheap flight from Washington DC to Harry Reid Airport (formerly McCarran Airport) to track down your perfect ride. Check out our car rentals in Las Vegas and compare your options in one place. Plus you'll find all the info you need to know, from the most popular rental company to the average daily price.

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