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Cheap flights from Washington, D.C. to Las Vegas from $197

WAS — LAS
14 Dec — 21 Dec1
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

Mon 14/1218:42 -
1 stop18h 08m
Wed 16/1207:52 -
1 stop6h 47m
Deal found 13/11$423
Sat 12/1217:35 -
Nonstop5h 18m
Mon 14/1223:59 -
Nonstop4h 22m
Deal found 10/11$437
Sat 5/1218:42 -
1 stop18h 00m
Sat 12/1215:44 -
1 stop22h 55m
Deal found 10/11$452
Fri 11/1219:30 -
Nonstop5h 18m
Mon 14/1223:59 -
Nonstop4h 22m
Deal found 10/11$467
Mon 7/1218:42 -
1 stop18h 08m
Sat 12/1206:00 -
1 stop8h 39m
Deal found 10/11$482
Thu 10/1218:20 -
1 stop9h 04m
Mon 14/1223:42 -
1 stop9h 07m
Deal found 10/11$496
Wed 16/1212:35 -
Nonstop5h 17m
Sat 19/1208:45 -
Nonstop4h 28m
Deal found 9/11$498
Mon 14/1218:42 -
1 stop18h 08m
Fri 18/1206:00 -
1 stop8h 51m
Deal found 9/11$505
Sat 5/1208:30 -
1 stop8h 25m
Sat 12/1223:59 -
Nonstop4h 22m
Deal found 9/11$507
Wed 9/1212:35 -
Nonstop5h 17m
Fri 11/1223:59 -
Nonstop4h 22m
Deal found 10/11$511
Wed 9/1212:35 -
Nonstop5h 17m
Sat 12/1213:39 -
1 stop6h 36m
Deal found 9/11$512

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

Round-trip from

$423

One-way from

$197

Popular in

March

Cheapest in

August

Average price

$705
Alaska Airlines
  • Alaska Airlines
  • 26/1-29/1
  • 2 total stops
  • 46h 01m total
  • Washington, D.C. to Las Vegas
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Alaska Airlines
  • Alaska Airlines
  • 23/1-31/12
  • 1 total stop
  • 17h 33m total
  • Washington, D.C. to Las Vegas
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($83 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).
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Average for round-trip flights in November 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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Fly to

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 23/2

07:04-14:35

1 stop10h 31m

Las Vegas Harry Reid Intl

Wed 31/12

00:00-03:00

Nonstop0h 00m

$197

Washington, D.C.Las Vegas

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

IADLAS

Washington, D.C. Dulles Intl

Sat 23/1

17:30-09:35

1 stop19h 05m

Las Vegas Harry Reid Intl

Wed 31/12

00:00-03:00

Nonstop0h 00m

$205

Washington, D.C.Las Vegas

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

IADLAS

Washington, D.C. Dulles Intl

Sun 28/2

12:50-18:46

1 stop8h 56m

Las Vegas Harry Reid Intl

Wed 31/12

00:00-03:00

Nonstop0h 00m

$249

Washington, D.C.Las Vegas

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

IADLAS

Washington, D.C. Dulles Intl

Thu 10/12

18:20-00:24

1 stop9h 04m

Las Vegas Harry Reid Intl

Wed 31/12

00:00-03:00

Nonstop0h 00m

$249
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

Wed 16/12

12:35-14:52

Nonstop5h 17m

Las Vegas Harry Reid Intl

Wed 31/12

00:00-03:00

Nonstop0h 00m

$295

Washington, D.C.Las Vegas

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

IADLAS

Washington, D.C. Dulles Intl

Sat 6/3

19:17-10:39

1 stop18h 22m

Las Vegas Harry Reid Intl

Wed 31/12

00:00-03:00

Nonstop0h 00m

$295

Washington, D.C.Las Vegas

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

IADLAS

Washington, D.C. Dulles Intl

Wed 7/4

17:25-23:22

1 stop8h 57m

Las Vegas Harry Reid Intl

Wed 31/12

00:00-03:00

Nonstop0h 00m

$299

Washington, D.C.Las Vegas

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

IADLAS

Washington, D.C. Dulles Intl

Sat 16/1

12:55-15:26

Nonstop5h 31m

Las Vegas Harry Reid Intl

Wed 31/12

00:00-03:00

Nonstop0h 00m

$300

Washington, D.C.Las Vegas

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

IADLAS

Washington, D.C. Dulles Intl

Sat 13/3

19:17-09:39

1 stop17h 22m

Las Vegas Harry Reid Intl

Wed 31/12

00:00-03:00

Nonstop0h 00m

$306

Washington, D.C.Las Vegas

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

IADLAS

Washington, D.C. Dulles Intl

Wed 16/12

17:00-23:20

1 stop9h 20m

Las Vegas Harry Reid Intl

Wed 31/12

00:00-03:00

Nonstop0h 00m

$309

Flights are sorted by cheapest return flights first.

Deals found on 12/11

Showing 1-10 of 23 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 $502). Flying from Washington, D.C. to Las Vegas in October is currently the most expensive (average of $819). 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 Thursday (13 on average). You will have fewer flight options on Saturday, 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 $548 and $889 in December.
The cheapest return price found within the last 5 days was $423 on Alaska Airlines (14 Dec–16 Dec).

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 184 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 at night 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 Monday 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 9 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 United Airlines can get you from Washington, D.C. to Las Vegas in just under 5h 22m. Your travel time can differ by up to 13h 43m. 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(90%), United Airlines(89%) or Frontier(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, August is the cheapest month in which you can book a flight from Washington, D.C. to Las Vegas (average of $502). Flying from Washington, D.C. to Las Vegas in October is currently the most expensive (average of $819). 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.

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

Dulles Intl to Las Vegas flights

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