Question 1

What are the cheapest airlines flying from Washington, D.C. to Las Vegas round-trip?

Accepted Answer

According to our current data, United Airlines (£117), Southwest (£117), and Spirit Airlines (£134) offers the cheapest pricing from Washington, D.C. to Las Vegas. United Airlines is 57% cheaper than the average price of flights available within the next 90 days to this destination.

Question 2

What are the cheapest airlines to fly from Washington, D.C. to Las Vegas one-way?

Accepted Answer

For one-way options, check prices for United Airlines. According to our data, you can fly for as low as £59. Users have also found prices from £59 and £63 on Southwest and Spirit Airlines, respectively.

Question 3

How far ahead should I book a flight from Washington, D.C. to Las Vegas?

Accepted Answer

Booking 28 days in advance of your planned departure date is, on average, the best time to get cheap flights from Washington, D.C. to Las Vegas. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Question 4

What is the cheapest month to book a flight from Washington, D.C. to Las Vegas?

Accepted Answer

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. to Las Vegas (average of £689). Flying from Washington, D.C. to Las Vegas in July is currently the most expensive (average of £1,020). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Question 5

What is the cheapest day to fly from Washington, D.C. to Las Vegas?

Accepted Answer

Travellers seeking maximum savings on their Washington, D.C. to Las Vegas flight should consider departing on Wednesday mornings when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Question 6

Weekly flight availability from Washington, D.C. to Las Vegas

Accepted Answer

The most flights from WAS to LAS are scheduled on a Monday (12 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (6 on average).

Question 7

E

Accepted Answer

In terms of precipitation, rainfall in Las Vegas ranges from 3.0 - 20.0 inches per month. February is typically the wettest month, when rainfall can reach 20.0 mm. May is typically the driest time to visit Las Vegas when rainfall is around 3.0 mm.

Question 8

E

Accepted Answer

If weather is an important factor for your trip to Las Vegas, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 34.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 9.0 C).

Question 9

What are the most popular routes from Washington, D.C. to Las Vegas?

Accepted Answer

The most popular flight routes from Washington, D.C. to Las Vegas are Washington, D.C. Dulles Intl - Las Vegas Harry Reid Intl, Baltimore/Washington - Las Vegas Harry Reid Intl and Washington, D.C. Reagan-National - Las Vegas Harry Reid Intl.

Question 10

What are the cheapest flights from Washington, D.C. to Las Vegas?

Accepted Answer

Looking at all options, your cheapest flight can be booked for £58. While the most popular route (Washington, D.C. Dulles Intl - Las Vegas Harry Reid Intl) can be booked for £168 on average our data indicates £119 when flying from Washington, D.C. to Las Vegas.

Question 11

What are the most reliable airlines from Washington, D.C. to Las Vegas?

Accepted Answer

No one likes to see their flight delayed. When booking a flight from Washington, D.C. to Las Vegas consider choosing Frontier (75%), Ethiopian Air (72%) or Brussels Airlines (62%) as they are the most reliable in getting you off to your destination on time.

Question 12

What is the cheapest day to fly round-trip from Washington, D.C. to Las Vegas?

Accepted Answer

Users have found that flying from Washington, D.C. to Las Vegas on a Thursday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

Question 13

How far in advance should I book a flight from Washington, D.C. to Las Vegas?

Accepted Answer

Find a great deal and save up to 50% by booking at least 29 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Washington, D.C. to Las Vegas within the next two weeks, with the cheapest ticket starting at £247.

Question 14

What is the cheapest month to fly from Washington, D.C. to Las Vegas?

Accepted Answer

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, September can be a great choice for travel to Las Vegas. Flights to Las Vegas from Washington, D.C. in September are about £278 on average during September, but can be found for as low as £92.

Question 15

What is the cheapest time of day to fly from WAS to LAS?

Accepted Answer

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Washington, D.C. to Las Vegas as you normally would.

Question 16

What airport do you fly into for flights to Las Vegas from Washington, D.C.?

Accepted Answer

If you book a flight to Las Vegas from Washington, D.C., you will be flying to Harry Reid Intl, which is the city’s only airport. Las Vegas Harry Reid Intl (LAS) is located 6.2 mi from the center of Las Vegas. There are 9 flights from Washington, D.C. to Harry Reid Intl per day from 1 airline.

Question 17

Can I find deals for flights from Washington, D.C. to Las Vegas that include hotel bookings?

Accepted Answer

Yes. In addition to deals on Washington, D.C. to Las Vegas flights, Cheapflights offers holiday packages that include both flights and hotel.

Question 18

How can I find direct flights from Washington, D.C. to Las Vegas?

Accepted Answer

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Las Vegas.

Question 19

Can I find deals for business class flights from Washington, D.C. to Las Vegas?

Accepted Answer

Yes. Cheapflights offers flight deals from Washington, D.C. to Las Vegas by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Question 20

How does Cheapflights help users find flights from Washington, D.C. to Las Vegas?

Accepted Answer

Cheapflights makes it easy to find Washington, D.C. to Las Vegas flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Question 21

Why should you use Cheapflights to find cheap flight tickets from Washington, D.C. to Las Vegas?

Accepted Answer

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Washington, D.C. to Las Vegas for you. Better yet — we are completely free to use.

Question 22

Can Cheapflights find flights from Washington, D.C. to Las Vegas with no change fees?

Accepted Answer

Yes! Cheapflights helps users easily find flights from Washington, D.C. to Las Vegas with no change fees.

Question 23

Can Cheapflights notify me if prices for flights from Washington, D.C. to Las Vegas become cheaper?

Accepted Answer

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

Round-trip from	£117
One-way from	£59
Popular in	December
Cheapest in	September
Average price	£251
Good round-trip deal	£58 or less
Good one-way deal	£109 or less

Cheap flights from Washington, D.C. to Las Vegas from £59

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/8. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Washington, D.C. to Las Vegas

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Cheapest flights from Washington, D.C. to Las VegasExplore the most affordable flight options available from Washington, D.C. to Las Vegas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 8 July 2025.

Explore the most affordable flight options available from Washington, D.C. to Las Vegas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 8 July 2025.

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Best time to book a flight from Washington, D.C. to Las Vegas

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How far ahead should I book a flight from Washington, D.C. to Las Vegas?

Use this chart to determine the optimal time to book a return flight from Washington, D.C. to Las Vegas. Price data was last updated on 27 June 2025.

What is the cheapest month to book a flight from Washington, D.C. to Las Vegas?

What is the cheapest time of day to fly from WAS to LAS?

Find hourly flight availability from Washington, D.C. to Las Vegas. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 8 July 2025.

Weekly flight availability from Washington, D.C. to Las Vegas

Reviews of airlines servicing Las Vegas

See what other customers who have flown with Alaska Airlines, Southwest, andDelta from Washington, D.C. to Las Vegas have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. to Las Vegas. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to Las Vegas from Washington, D.C.?

What are the cheapest airlines flying from Washington, D.C. to Las Vegas round-trip?

What are the cheapest airlines to fly from Washington, D.C. to Las Vegas one-way?

What are the most popular routes from Washington, D.C. to Las Vegas?

What are the most reliable airlines from Washington, D.C. to Las Vegas?

What are the cheapest flights from Washington, D.C. to Las Vegas?

Can I find deals for flights from Washington, D.C. to Las Vegas that include hotel bookings?

How can I find direct flights from Washington, D.C. to Las Vegas?

Can I find deals for business class flights from Washington, D.C. to Las Vegas?

What is the cheapest month to book a flight from Washington, D.C. to Las Vegas?

Travelling to a place near Washington, D.C.?

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Why should you use Cheapflights to find cheap flight tickets from Washington, D.C. to Las Vegas?

Can Cheapflights find flights from Washington, D.C. to Las Vegas with no change fees?

Can Cheapflights notify me if prices for flights from Washington, D.C. to Las Vegas become cheaper?

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Cheapest flights from Washington, D.C. to Las Vegas
Explore the most affordable flight options available from Washington, D.C. to Las Vegas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 8 July 2025.