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Cheap flights from Washington, D.C. to Las Vegas from £100

WAS — LAS
29 Nov — 6 Dec1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Washington, D.C. to Las Vegas Harry Reid Intl are usually found in August or January, booked 37 days in advance, depart on a Monday or Tuesday and return on a Monday

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 12/1222:35 -
1 stop15h 45m
Sat 19/1206:17 -
2 stops15h 34m
Deal found 28/10£211
Sat 5/1214:35 -
Nonstop5h 20m
Sat 12/1223:35 -
1 stop5h 45m
Deal found 30/10£215
Sat 12/1217:35 -
Nonstop5h 18m
Mon 14/1223:59 -
Nonstop4h 22m
Deal found 28/10£218
Tue 1/1215:35 -
1 stop8h 35m
Mon 7/1223:59 -
1 stop8h 09m
Deal found 30/10£218
Fri 11/1213:00 -
1 stop11h 10m
Thu 17/1222:02 -
1 stop9h 58m
Deal found 29/10£219
Sat 12/1218:42 -
1 stop18h 00m
Sat 19/1222:39 -
Nonstop4h 28m
Deal found 28/10£220
Sat 5/1216:45 -
1 stop9h 04m
Sun 6/1222:20 -
1 stop9h 46m
Deal found 27/10£220
Wed 18/1114:06 -
1 stop9h 18m
Thu 3/1210:03 -
1 stop9h 49m
Deal found 29/10£222
Fri 11/1219:30 -
Nonstop5h 18m
Tue 15/1213:20 -
Nonstop4h 28m
Deal found 30/10£223
Mon 23/1106:00 -
1 stop8h 49m
Wed 2/1209:37 -
1 stop8h 31m
Deal found 26/10£223
Wed 9/1219:30 -
Nonstop5h 18m
Sat 12/1214:15 -
1 stop7h 09m
Deal found 29/10£226
Sat 5/1214:35 -
Nonstop5h 20m
Thu 10/1209:35 -
1 stop6h 20m
Deal found 30/10£226

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

Round-trip from

£211

One-way from

£100

Popular in

March

Cheapest in

August

Average price

£391

Good one-way deal

£194 or less
Frontier
  • Frontier
  • 12/12-19/12
  • 3 total stops
  • 31h 19m total
  • Washington, D.C. to Las Vegas
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Alaska Airlines
  • Alaska Airlines
  • 12/12-31/12
  • 1 total stop
  • 18h 00m total
  • Washington, D.C. to Las Vegas
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Highest demand for flights based on searches. 7% potential increase in price (£20 potential increase over avg. return price).
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Cheapest flight prices on average. 1% potential price decrease (£4 potential savings vs. average return price).
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Average for round-trip flights in October 2026
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Price to beat on a one-way flight from Washington, D.C. (WAS) to Las Vegas Harry Reid Intl.
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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.

Fly from

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

Sat 12/12

18:42-09:42

1 stop18h 00m

Las Vegas Harry Reid Intl

Wed 31/12

00:00-03:00

Nonstop0h 00m

£100

Washington, D.C.Las Vegas

DCA Washington, D.C. Reagan-National - LAS Las Vegas Harry Reid Intl

DCALAS

Washington, D.C. Reagan-National

Mon 25/1

18:59-09:00

1 stop17h 01m

Las Vegas Harry Reid Intl

Wed 31/12

00:00-03:00

Nonstop0h 00m

£103

Washington, D.C.Las Vegas

DCA Washington, D.C. Reagan-National - LAS Las Vegas Harry Reid Intl

DCALAS

Washington, D.C. Reagan-National

Mon 11/1

12:00-20:48

1 stop11h 48m

Las Vegas Harry Reid Intl

Wed 31/12

00:00-03:00

Nonstop0h 00m

£104

Washington, D.C.Las Vegas

DCA Washington, D.C. Reagan-National - LAS Las Vegas Harry Reid Intl

DCALAS

Washington, D.C. Reagan-National

Wed 2/12

06:00-11:59

1 stop8h 59m

Las Vegas Harry Reid Intl

Wed 31/12

00:00-03:00

Nonstop0h 00m

£104

Washington, D.C.Las Vegas

DCA Washington, D.C. Reagan-National - LAS Las Vegas Harry Reid Intl

DCALAS

Washington, D.C. Reagan-National

Tue 1/12

15:35-21:10

1 stop8h 35m

Las Vegas Harry Reid Intl

Wed 31/12

00:00-03:00

Nonstop0h 00m

£104

Washington, D.C.Las Vegas

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

IADLAS

Washington, D.C. Dulles Intl

Fri 5/2

18:53-23:44

1 stop7h 51m

Las Vegas Harry Reid Intl

Wed 31/12

00:00-03:00

Nonstop0h 00m

£112

Washington, D.C.Las Vegas

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

IADLAS

Washington, D.C. Dulles Intl

Mon 11/1

18:00-20:27

Nonstop5h 27m

Las Vegas Harry Reid Intl

Wed 31/12

00:00-03:00

Nonstop0h 00m

£119

Washington, D.C.Las Vegas

DCA Washington, D.C. Reagan-National - LAS Las Vegas Harry Reid Intl

DCALAS

Washington, D.C. Reagan-National

Wed 23/12

16:31-22:19

1 stop8h 48m

Las Vegas Harry Reid Intl

Wed 31/12

00:00-03:00

Nonstop0h 00m

£122

Washington, D.C.Las Vegas

DCA Washington, D.C. Reagan-National - LAS Las Vegas Harry Reid Intl

DCALAS

Washington, D.C. Reagan-National

Tue 22/12

07:10-14:17

1 stop10h 07m

Las Vegas Harry Reid Intl

Wed 31/12

00:00-03:00

Nonstop0h 00m

£122

Washington, D.C.Las Vegas

DCA Washington, D.C. Reagan-National - LAS Las Vegas Harry Reid Intl

DCALAS

Washington, D.C. Reagan-National

Fri 12/2

16:40-22:25

1 stop8h 45m

Las Vegas Harry Reid Intl

Wed 31/12

00:00-03:00

Nonstop0h 00m

£127

Flights are sorted by cheapest return flights first.

Deals found on 28/10

Showing 1-10 of 44 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 £255). Flying from Washington, D.C. to Las Vegas in October is currently the most expensive (average of £417). 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?

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.

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 £267 and £448 in December.
The cheapest return price found within the last 5 days was £211 on Frontier (12 Dec–19 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?

Booking 32 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.

Related info for your journey

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

    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 3 flights from Washington, D.C. to Harry Reid Intl per day from 0 different airlines.

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

    A quick flight from Washington, D.C. to Las Vegas can take about 7h 51m. Frontier provides one of the quickest options available for as low as £214. The distance between Washington, D.C. and Las Vegas is about 2059 mi. Both multi-stop and direct flights can be found to your destination and back.

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

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

  • 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 (85%) or ITA Airways (75%) as they are the most reliable in getting you off to your destination on time.

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

    Looking at all options, your cheapest flight can be booked for £194. While the most popular route (Baltimore/Washington - Las Vegas Harry Reid Intl) can be booked for £280 on average, our data indicates £195 when flying from Washington, D.C. to Las Vegas.

  • 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 £255). Flying from Washington, D.C. to Las Vegas in October is currently the most expensive (average of £417). 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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