Find flights
Deals
When to book
FAQs

Cheap flights from Washington, D.C. to Las Vegas from $234

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 22/4. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — LAS
24 Apr — 1 May1
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 25 March 2026.

Tue 14/409:00
IAD
-
LAS
Nonstop5h 21m
United Airlines
Tue 21/408:10
LAS
-
IAD
Nonstop4h 39m
United Airlines
Deal found 24/3$466
Tue 21/406:00
IAD
-
LAS
1 stop7h 58m
United Airlines
Tue 28/408:10
LAS
-
IAD
Nonstop4h 39m
United Airlines
Deal found 24/3$480
Tue 28/407:10
IAD
-
LAS
2 stops11h 10m
Alaska Airlines
Wed 29/410:45
LAS
-
IAD
1 stop10h 24m
Alaska Airlines
Deal found 24/3$492
Tue 14/410:11
IAD
-
LAS
1 stop8h 13m
Delta
Mon 20/400:30
LAS
-
IAD
1 stop8h 12m
Delta
Deal found 23/3$495
Tue 21/417:30
IAD
-
LAS
1 stop7h 10m
Southwest
Tue 28/411:35
LAS
-
IAD
2 stops9h 05m
Southwest
Deal found 24/3$502
Tue 28/407:10
IAD
-
LAS
2 stops11h 10m
Alaska Airlines
Tue 5/512:36
LAS
-
IAD
1 stop26h 05m
Alaska Airlines
Deal found 24/3$520
Tue 21/418:37
IAD
-
LAS
1 stop7h 47m
Delta
Tue 28/406:10
LAS
-
IAD
1 stop7h 21m
Delta
Deal found 23/3$525
Sun 11/1012:40
IAD
-
LAS
1 stop13h 07m
Sun Country Air
Thu 15/1023:59
LAS
-
IAD
1 stop9h 31m
Sun Country Air
Deal found 24/3$526
Sat 25/409:00
IAD
-
LAS
1 stop10h 04m
Alaska Airlines
Tue 5/506:00
LAS
-
IAD
1 stop8h 41m
Alaska Airlines
Deal found 20/3$535
Sat 25/418:47
IAD
-
LAS
1 stop17h 44m
Alaska Airlines
Wed 29/410:19
LAS
-
IAD
2 stops16h 31m
Alaska Airlines
Deal found 21/3$538

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 25 March 2026.

Round-trip from

$466

One-way from

$234

Popular in

March

Cheapest in

August

Average price

$763

Good round-trip deal

$239 or less
United Airlines
  • United Airlines
  • 14/4-21/4
  • Nonstop
  • 10h 00m total
  • Washington, D.C. to Las Vegas
Search Deals
United Airlines
  • United Airlines
  • 22/4
  • Nonstop
  • 5h 21m total
  • Washington, D.C. to Las Vegas
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($180 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($29 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 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 25 March 2026.
Use the filters below to find and compare flights from Washington, D.C. to Las Vegas that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Tue 21/4

16:30-21:45

1 stop8h 15m

Las Vegas Harry Reid Intl

Tue 28/4

11:35-23:40

2 stops9h 05m

$502

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Fri 1/5

19:50-22:13

Nonstop5h 23m

Las Vegas Harry Reid Intl

Tue 5/5

09:05-19:00

1 stop6h 55m

$621
Fastest return journey

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Sat 25/4

12:59-15:21

Nonstop5h 22m

Las Vegas Harry Reid Intl

Tue 28/4

08:10-15:49

Nonstop4h 39m

$644

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Mon 20/4

05:55-12:05

2 stops9h 10m

Las Vegas Harry Reid Intl

Fri 24/4

14:20-00:20

1 stop7h 00m

$683

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Sat 25/4

08:30-13:54

1 stop8h 24m

Las Vegas Harry Reid Intl

Mon 27/4

23:45-07:21

Nonstop4h 36m

$704

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Mon 20/4

19:50-22:13

Nonstop5h 23m

Las Vegas Harry Reid Intl

Fri 24/4

19:04-06:36

1 stop8h 32m

$756

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Wed 16/9

08:33-13:13

1 stop7h 40m

Las Vegas Harry Reid Intl

Sat 19/9

23:54-07:26

Nonstop4h 32m

$756

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Sat 25/4

07:00-20:39

1 stop16h 39m

Las Vegas Harry Reid Intl

Sun 26/4

23:36-09:15

1 stop6h 39m

$790

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Wed 6/5

09:00-11:22

Nonstop5h 22m

Las Vegas Harry Reid Intl

Sat 9/5

08:10-15:49

Nonstop4h 39m

$802

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Sun 19/4

09:00-11:21

Nonstop5h 21m

Las Vegas Harry Reid Intl

Thu 23/4

19:04-06:37

1 stop8h 33m

$806

Flights are sorted by cheapest return flights first.

Deals found on 21/3

Showing 1-10 of 22 resultsSorted by cheapest first
1
2
3

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 March 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 19 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, June is the cheapest month in which you can book a flight from Washington, D.C. to Las Vegas (average of $171). Flying from Washington, D.C. to Las Vegas in March is currently the most expensive (average of $311). 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 25 March 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 25 March 2026.

The most flights from WAS to LAS are scheduled on a Monday (11 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (1 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 6 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?

    Southwest and United Airlines can get you from Washington, D.C. to Las Vegas in just under 5h 23m. Your travel time can differ by up to 2h 52m. 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 ITA Airways(100%), Ethiopian Air(89%) or United Airlines(82%), 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, June is the cheapest month in which you can book a flight from Washington, D.C. to Las Vegas (average of $171). Flying from Washington, D.C. to Las Vegas in March is currently the most expensive (average of $311). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.