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Cheap flights from Washington, D.C. to Las Vegas from $174

WAS — LAS
20 Oct — 27 Oct1
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

Sat 7/1118:46 -
1 stop18h 05m
Wed 11/1107:10 -
1 stop7h 30m
Deal found 16/9$347
Sat 5/1217:35 -
Nonstop5h 18m
Tue 8/1223:59 -
Nonstop4h 22m
Deal found 17/9$355
Sat 7/1117:17 -
1 stop19h 34m
Sat 14/1107:00 -
1 stop7h 40m
Deal found 20/9$361
Mon 2/1118:46 -
1 stop8h 09m
Tue 3/1115:50 -
1 stop10h 54m
Deal found 16/9$362
Sat 7/1112:35 -
1 stop8h 48m
Tue 10/1123:45 -
Nonstop4h 22m
Deal found 17/9$363
Tue 3/1112:56 -
Nonstop5h 21m
Sat 7/1106:00 -
1 stop7h 33m
Deal found 17/9$369
Wed 9/1219:30 -
Nonstop5h 18m
Tue 15/1207:50 -
Nonstop4h 28m
Deal found 16/9$375
Mon 2/1118:46 -
1 stop8h 09m
Thu 5/1107:00 -
1 stop7h 40m
Deal found 16/9$377
Mon 19/1018:00 -
Nonstop5h 08m
Wed 21/1023:55 -
Nonstop4h 33m
Deal found 17/9$380
Fri 30/1017:33 -
1 stop9h 26m
Tue 3/1115:50 -
1 stop10h 54m
Deal found 16/9$382
Sat 7/1112:35 -
1 stop8h 48m
Sat 14/1107:40 -
Nonstop4h 28m
Deal found 16/9$383
Wed 9/1213:00 -
1 stop7h 11m
Wed 9/1223:59 -
Nonstop4h 22m
Deal found 17/9$389

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

Round-trip from

$347

One-way from

$174

Popular in

March

Cheapest in

August

Average price

$666
Alaska Airlines
  • Alaska Airlines
  • 10/2-17/2
  • 2 total stops
  • 22h 22m total
  • Washington, D.C. to Las Vegas
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Alaska Airlines
  • Alaska Airlines
  • 31/10-31/12
  • 1 total stop
  • 12h 09m total
  • Washington, D.C. to Las Vegas
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($79 potential increase over avg. return price).
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Cheapest flight prices on average. 1% potential price decrease ($14 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2026
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Washington, D.C. to Las Vegas that are best for you.

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Route

Depart

Return

Price

Cheapest return flight

Washington, D.C.Las Vegas

IAD Washington, D.C. Dulles Intl - LAS Las Vegas Harry Reid Intl

IADLAS

Washington, D.C. Dulles Intl

Tue 12/1

18:53-23:44

1 stop7h 51m

Las Vegas Harry Reid Intl

Wed 31/12

00:00-03:00

Nonstop0h 00m

$174

Washington, D.C.Las Vegas

IAD Washington, D.C. Dulles Intl - LAS Las Vegas Harry Reid Intl

IADLAS

Washington, D.C. Dulles Intl

Tue 13/10

15:47-20:28

1 stop7h 41m

Las Vegas Harry Reid Intl

Wed 31/12

00:00-03:00

Nonstop0h 00m

$195

Washington, D.C.Las Vegas

IAD Washington, D.C. Dulles Intl - LAS Las Vegas Harry Reid Intl

IADLAS

Washington, D.C. Dulles Intl

Tue 13/10

18:32-00:37

1 stop9h 05m

Las Vegas Harry Reid Intl

Wed 31/12

00:00-03:00

Nonstop0h 00m

$202

Washington, D.C.Las Vegas

IAD Washington, D.C. Dulles Intl - LAS Las Vegas Harry Reid Intl

IADLAS

Washington, D.C. Dulles Intl

Sun 1/11

18:46-23:55

1 stop8h 09m

Las Vegas Harry Reid Intl

Wed 31/12

00:00-03:00

Nonstop0h 00m

$209

Washington, D.C.Las Vegas

IAD Washington, D.C. Dulles Intl - LAS Las Vegas Harry Reid Intl

IADLAS

Washington, D.C. Dulles Intl

Sun 13/12

18:42-09:50

1 stop18h 08m

Las Vegas Harry Reid Intl

Wed 31/12

00:00-03:00

Nonstop0h 00m

$216

Washington, D.C.Las Vegas

IAD Washington, D.C. Dulles Intl - LAS Las Vegas Harry Reid Intl

IADLAS

Washington, D.C. Dulles Intl

Sun 15/11

09:00-11:22

Nonstop5h 22m

Las Vegas Harry Reid Intl

Wed 31/12

00:00-03:00

Nonstop0h 00m

$223

Washington, D.C.Las Vegas

IAD Washington, D.C. Dulles Intl - LAS Las Vegas Harry Reid Intl

IADLAS

Washington, D.C. Dulles Intl

Sun 1/11

06:13-12:17

1 stop9h 04m

Las Vegas Harry Reid Intl

Wed 31/12

00:00-03:00

Nonstop0h 00m

$237
Fastest return journey

Washington, D.C.Las Vegas

IAD Washington, D.C. Dulles Intl - LAS Las Vegas Harry Reid Intl

IADLAS

Washington, D.C. Dulles Intl

Sat 30/1

08:45-10:45

Nonstop5h 00m

Las Vegas Harry Reid Intl

Wed 31/12

00:00-03:00

Nonstop0h 00m

$265

Washington, D.C.Las Vegas

IAD Washington, D.C. Dulles Intl - LAS Las Vegas Harry Reid Intl

IADLAS

Washington, D.C. Dulles Intl

Sat 14/11

17:40-19:58

Nonstop5h 18m

Las Vegas Harry Reid Intl

Wed 31/12

00:00-03:00

Nonstop0h 00m

$265

Washington, D.C.Las Vegas

IAD Washington, D.C. Dulles Intl - LAS Las Vegas Harry Reid Intl

IADLAS

Washington, D.C. Dulles Intl

Sat 12/12

08:35-10:57

Nonstop5h 22m

Las Vegas Harry Reid Intl

Wed 31/12

00:00-03:00

Nonstop0h 00m

$265

Flights are sorted by cheapest return flights first.

Deals found on 17/9

Showing 1-10 of 24 resultsSorted by cheapest first
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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

Cheapflights Insights

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

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

Currently, August is the cheapest month in which you can book a flight from Washington, D.C. to Las Vegas (average of $477). Flying from Washington, D.C. to Las Vegas in March is currently the most expensive (average of $769). 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?

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

The most flights from WAS to LAS are scheduled on a Friday (13 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (6 on average).

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

Airfare is below average for this route at the moment.
Washington, D.C. to Las Vegas flights typically cost between $470 and $854 in November.
The cheapest return price found within the last 5 days was $347 on Alaska Airlines (7 Nov–11 Nov).

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

About 18% of weekly flights between Washington, D.C. and Las Vegas have experienced delays in the past year, with the average delay time being 183 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 Sunday 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.

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

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 32 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.

Related info for your journey

  • 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 8 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?

    United Airlines and Delta can get you from Washington, D.C. to Las Vegas in just under 8h 47m. Your travel time can differ by up to 01m. 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 Ethiopian Air(85%), United Airlines(77%) or Austrian Airlines(64%), 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, August is the cheapest month in which you can book a flight from Washington, D.C. to Las Vegas (average of $477). Flying from Washington, D.C. to Las Vegas in March is currently the most expensive (average of $769). 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

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

Dulles Intl to Las Vegas flights

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