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Cheap flights from Washington, D.C. to Las Vegas from $162

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 11/4. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — LAS
16 Mar — 23 Mar1
1 adult
1 adult, Economy, 0 bags

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

Enter your travel dates to find the best prices.

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 14 February 2026.

Sat 4/419:50
IAD
-
LAS
Nonstop5h 23m
United Airlines
Wed 8/408:00
LAS
-
IAD
1 stop7h 20m
United Airlines
Deal found 14/2$384
Tue 5/508:20
IAD
-
LAS
1 stop7h 43m
United Airlines
Sat 9/523:40
LAS
-
IAD
Nonstop4h 37m
United Airlines
Deal found 14/2$390
Sat 11/419:50
IAD
-
LAS
Nonstop5h 23m
United Airlines
Tue 14/408:10
LAS
-
IAD
Nonstop4h 39m
United Airlines
Deal found 14/2$393
Sat 11/419:50
IAD
-
LAS
Nonstop5h 23m
United Airlines
Mon 13/419:04
LAS
-
IAD
1 stop8h 33m
United Airlines
Deal found 14/2$401
Sat 11/419:50
IAD
-
LAS
Nonstop5h 23m
United Airlines
Thu 16/414:17
LAS
-
IAD
1 stop6h 58m
United Airlines
Deal found 14/2$407
Sat 4/419:50
IAD
-
LAS
Nonstop5h 23m
United Airlines
Fri 10/400:36
LAS
-
IAD
1 stop7h 57m
United Airlines
Deal found 13/2$410
Sat 11/413:10
IAD
-
LAS
1 stop8h 19m
United Airlines
Sat 18/408:00
LAS
-
IAD
1 stop7h 20m
United Airlines
Deal found 14/2$417
Sat 18/720:03
IAD
-
LAS
Nonstop5h 08m
United Airlines
Fri 24/700:36
LAS
-
IAD
1 stop8h 16m
United Airlines
Deal found 14/2$425
Wed 11/307:00
IAD
-
LAS
1 stop10h 47m
Delta
Wed 25/311:00
LAS
-
IAD
1 stop9h 49m
Delta
Deal found 13/2$428
Sat 14/317:26
IAD
-
LAS
1 stop8h 04m
United Airlines
Wed 18/308:04
LAS
-
IAD
Nonstop4h 27m
United Airlines
Deal found 14/2$448
Sat 20/620:10
IAD
-
LAS
Nonstop5h 09m
United Airlines
Tue 23/608:48
LAS
-
IAD
Nonstop4h 36m
United Airlines
Deal found 14/2$459

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

Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) to Las Vegas (LAS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 14 February 2026.

Round-trip from

$384

One-way from

$162

Popular in

March

Cheapest in

August

Average price

$640

Good round-trip deal

$235 or less
United Airlines
  • United Airlines
  • 4/4-8/4
  • 1 total stop
  • 12h 43m total
  • Washington, D.C. to Las Vegas
Search Deals
United Airlines
  • United Airlines
  • 25/4
  • 1 total stop
  • 7h 36m total
  • Washington, D.C. to Las Vegas
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($132 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($19 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
Search Deals
Price to beat on a round-trip flight from Washington, D.C. (WAS) to Las Vegas Harry Reid Intl.
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Washington, D.C. to Las Vegas that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 14 February 2026.
Use the filters below to find and compare flights from Washington, D.C. to Las Vegas that are best for you.

Fly from

Washington, D.C.

Fly to

Las Vegas

Route

Depart

Return

Price

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Wed 11/3

07:00-14:47

1 stop10h 47m

Las Vegas Harry Reid Intl

Wed 25/3

11:00-23:49

1 stop9h 49m

$428

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Tue 14/4

07:00-20:49

1 stop16h 49m

Las Vegas Harry Reid Intl

Thu 16/4

07:00-05:40

2 stops19h 40m

$520

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Sun 24/5

13:00-15:09

Nonstop5h 09m

Las Vegas Harry Reid Intl

Fri 29/5

00:36-11:52

1 stop8h 16m

$530

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Tue 10/3

07:05-22:56

1 stop18h 51m

Las Vegas Harry Reid Intl

Tue 17/3

16:05-17:22

2 stops22h 17m

$534

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Wed 24/6

15:56-20:08

1 stop7h 12m

Las Vegas Harry Reid Intl

Sat 4/7

13:39-23:31

1 stop6h 52m

$544

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Sat 21/3

16:10-22:42

1 stop9h 32m

Las Vegas Harry Reid Intl

Mon 23/3

23:43-07:10

Nonstop4h 27m

$548

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Tue 19/5

18:42-23:30

1 stop7h 48m

Las Vegas Harry Reid Intl

Wed 27/5

07:15-07:34

2 stops21h 19m

$562

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Mon 27/4

12:59-15:21

Nonstop5h 22m

Las Vegas Harry Reid Intl

Thu 30/4

23:40-07:17

Nonstop4h 37m

$572

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Tue 17/3

07:05-22:56

1 stop18h 51m

Las Vegas Harry Reid Intl

Sat 21/3

06:29-17:22

1 stop7h 53m

$579

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Wed 18/3

16:10-22:33

1 stop9h 23m

Las Vegas Harry Reid Intl

Mon 23/3

23:43-07:10

Nonstop4h 27m

$581

Flights are sorted by cheapest return flights first.

Deals found on 14/2

Showing 1-10 of 22 results
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Best time to book a flight from Washington, D.C. to Las Vegas

Have a flexible travel schedule? Discover the best time to fly to Las Vegas from Washington, D.C. with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. to Las Vegas

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 13 February 2026.

To ensure you get the cheapest price possible for a flight from Washington, D.C. to Las Vegas, you should look to book at least 20 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, March is the cheapest month in which you can book a flight from Washington, D.C. to Las Vegas (average of $162). Flying from Washington, D.C. to Las Vegas in January is currently the most expensive (average of $235). 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.

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 14 February 2026.

When flying from Washington, D.C. to Las Vegas, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

Explore weekly flight availability from Washington, D.C. to Las Vegas. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 14 February 2026.

The most flights from WAS to LAS are scheduled on a Friday (12 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (2 on average).

How much does it cost for a return flight from Washington, D.C. to Las Vegas?

How often are flights from Washington, D.C. to Las Vegas delayed?

About 19% of weekly flights between Washington, D.C. and Las Vegas have experienced delays in the past year, with the average delay time being 162 minutes.

What is the most punctual flight time for Washington, D.C. to Las Vegas flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Saturday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Washington, D.C. to Las Vegas flights?

Over the past year, American Airlines have had the lowest number of delays on this route, with just 9% of flights being delayed.

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.?

    For a flight from Washington, D.C. to Las Vegas, you will be flying into Harry Reid Intl. Las Vegas Harry Reid Intl (LAS) is just 10.0 km from the centre vof the city. Harry Reid Intl is the only Las Vegas airport and it handles 7 inbound flights from Washington, D.C. per day. 0 airlines have flights to Las Vegas Harry Reid Intl from Washington, D.C. on a regular basis.

  • How long is the flight from Washington, D.C. to Las Vegas?

    Alaska Airlines and Delta can get you from Washington, D.C. to Las Vegas in just under 8h 42m. Your travel time can differ by up to 8h 07m. Washington, D.C. and Las Vegas are separated by a distance of 3314 km. This flight may include one or multiple stops.

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

    No one likes to see their flight delayed. When booking a flight from Washington, D.C. to Las Vegas consider choosing Brussels Airlines(100%), United Airlines(89%) or Austrian Airlines(89%), as they are the most reliable in getting you off to your destination on time.

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

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

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

    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.

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

    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.

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

    Currently, March is the cheapest month in which you can book a flight from Washington, D.C. to Las Vegas (average of $162). Flying from Washington, D.C. to Las Vegas in January is currently the most expensive (average of $235). 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.

See more FAQs

Travelling to a place near Las Vegas?

Book flights to Las Vegas if you plan to visit one of these locations
Paradise
Winchester

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Alternative routes for Washington, D.C. to Las Vegas

See prices for flight routes from nearby airports that may be better suited for you.
Dulles Intl to Las Vegas flights

Fly with Cheapflights

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

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Washington, D.C. to Las Vegas. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Las Vegas from Washington, D.C..

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

Yes, we can. To see specific flights from Washington, D.C. to Las Vegas with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Yes! Start tracking prices for Washington, D.C. to Las Vegas flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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