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Cheap flights from Washington, D.C. to Las Vegas from £96

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 14/6. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — LAS
6 Jun — 13 Jun1
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 July, booked 20 days in advance, depart on a Tuesday or Monday 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
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 7 May 2026.

Sun 14/619:07
BWI
-
LAS
1 stop20h 28m
Frontier
Fri 19/607:25
LAS
-
BWI
1 stop10h 12m
Frontier
Deal found 5/5£193
Fri 7/812:28
IAD
-
LAS
1 stop14h 28m
Frontier
Wed 12/800:46
LAS
-
IAD
Nonstop4h 34m
Frontier
Deal found 5/5£199
Fri 7/818:00
DCA
-
LAS
1 stop8h 29m
Frontier
Wed 12/800:59
LAS
-
DCA
1 stop8h 52m
Frontier
Deal found 5/5£199
Thu 3/909:20
IAD
-
LAS
Nonstop4h 58m
Frontier
Tue 8/906:00
LAS
-
IAD
1 stop9h 42m
Frontier
Deal found 7/5£200
Wed 10/609:55
IAD
-
LAS
Nonstop4h 58m
Frontier
Mon 29/600:50
LAS
-
IAD
Nonstop4h 35m
Frontier
Deal found 5/5£202
Wed 17/609:55
IAD
-
LAS
Nonstop4h 58m
Frontier
Tue 23/600:50
LAS
-
IAD
Nonstop4h 35m
Frontier
Deal found 3/5£218
Fri 19/621:32
BWI
-
LAS
1 stop26h 07m
Frontier
Fri 26/606:45
LAS
-
BWI
1 stop8h 47m
Frontier
Deal found 5/5£220
Tue 11/815:35
DCA
-
LAS
1 stop9h 50m
JetBlue
Wed 19/811:13
LAS
-
DCA
1 stop8h 46m
JetBlue
Deal found 6/5£223
Mon 17/815:35
DCA
-
LAS
1 stop9h 50m
JetBlue
Tue 18/807:00
LAS
-
DCA
1 stop11h 16m
JetBlue
Deal found 6/5£227
Tue 11/815:35
DCA
-
LAS
1 stop9h 50m
JetBlue
Sat 15/807:00
LAS
-
DCA
1 stop11h 16m
JetBlue
Deal found 6/5£234
Tue 4/815:35
DCA
-
LAS
1 stop9h 50m
JetBlue
Thu 13/807:00
LAS
-
DCA
1 stop11h 16m
JetBlue
Deal found 5/5£235
Fri 7/821:28
BWI
-
LAS
2 stops16h 04m
Frontier
Thu 13/822:39
LAS
-
BWI
1 stop9h 06m
Frontier
Deal found 5/5£241

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 7 May 2026.

Round-trip from

£193

One-way from

£96

Popular in

March

Cheapest in

August

Average price

£297

Good one-way deal

£309 or less
Frontier
  • Frontier
  • 14/6-19/6
  • 2 total stops
  • 30h 40m total
  • Washington, D.C. to Las Vegas
Search Deals
Frontier
  • Frontier
  • 14/6
  • 1 total stop
  • 13h 39m total
  • Washington, D.C. to Las Vegas
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (£53 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£8 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 2026
Search Deals
Price to beat on a one-way 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 858,174 searches. Data last updated 7 May 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

Sat 12/9

17:50-19:57

Nonstop5h 07m

Las Vegas Harry Reid Intl

Tue 15/9

08:48-16:25

Nonstop4h 37m

£279

Washington, D.C.Las Vegas

DCA - LAS

DCALAS

Washington, D.C. Reagan-National

Wed 17/6

06:05-11:05

2 stops8h 00m

Las Vegas Harry Reid Intl

Wed 24/6

06:50-16:10

1 stop6h 20m

£281

BaltimoreLas Vegas

BWI - LAS

BWILAS

Baltimore/Washington

Wed 2/9

10:55-16:00

2 stops8h 05m

Las Vegas Harry Reid Intl

Wed 9/9

09:45-20:25

2 stops7h 40m

£282

Washington, D.C.Las Vegas

DCA - LAS

DCALAS

Washington, D.C. Reagan-National

Wed 7/10

10:59-18:28

1 stop10h 29m

Las Vegas Harry Reid Intl

Wed 14/10

10:14-21:59

1 stop8h 45m

£310

BaltimoreLas Vegas

BWI - LAS

BWILAS

Baltimore/Washington

Tue 2/6

13:55-18:44

1 stop7h 49m

Las Vegas Harry Reid Intl

Thu 4/6

22:45-09:26

1 stop7h 41m

£325

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Fri 28/8

19:29-09:42

1 stop17h 13m

Las Vegas Harry Reid Intl

Sun 30/8

19:09-18:14

1 stop20h 05m

£339

BaltimoreLas Vegas

BWI - LAS

BWILAS

Baltimore/Washington

Wed 3/6

06:40-09:00

Nonstop5h 20m

Las Vegas Harry Reid Intl

Wed 10/6

06:50-16:20

1 stop6h 30m

£339

BaltimoreLas Vegas

BWI - LAS

BWILAS

Baltimore/Washington

Thu 11/6

21:25-23:30

Nonstop5h 05m

Las Vegas Harry Reid Intl

Tue 16/6

23:25-09:40

1 stop7h 15m

£347

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Sun 24/5

20:10-22:19

Nonstop5h 09m

Las Vegas Harry Reid Intl

Wed 27/5

14:25-00:59

1 stop7h 34m

£355

BaltimoreLas Vegas

BWI - LAS

BWILAS

Baltimore/Washington

Mon 1/6

19:10-23:35

1 stop7h 25m

Las Vegas Harry Reid Intl

Mon 8/6

16:30-00:05

Nonstop4h 35m

£356

Flights are sorted by cheapest return flights first.

Deals found on 5/5

Showing 1-10 of 60 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
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?

Booking 19 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.

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 £160). Flying from Washington, D.C. to Las Vegas in April is currently the most expensive (average of £405). 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 7 May 2026.

When flying from Washington, D.C. to Las Vegas, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 45% versus a flight in the afternoon.

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 7 May 2026.

The most flights from WAS to LAS are scheduled on a Thursday (12 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (3 on average).

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

What’s the top stopover airport for flights from Washington, D.C. to Las Vegas?

Share of one-stop return flights from Washington, D.C. to Las Vegas chosen by Cheapflights users in the past 12 months, using the same stopover each way.

San Diego (SAN) – chosen by Cheapflights users on 50% of one-stop itineraries from Washington, D.C. to Las Vegas on Cheapflights.

What’s the cheapest stopover airport for flights from Washington, D.C. to Las Vegas?

Average return fare for one-stop flights from Washington, D.C. to Las Vegas, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

Los Angeles (LAX) is the most affordable one-stop option, with an average return flight price of £99.

What’s the fastest stopover option from Washington, D.C. to Las Vegas?

Shortest average travel time for one-stop one-way flights from Washington, D.C. to Las Vegas, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Flights via Los Angeles (LAX) have the shortest average one-way travel time for one-stop routes: 8h 10m.

Which airport typically offers the quickest stopover for flights from Washington, D.C. to Las Vegas?

Average stopover duration for one-stop one-way flights from Washington, D.C. to Las Vegas, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via San Diego (SAN) offer the fastest connection on this route, with an average stopover time of 2h 21m.

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 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 7% 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.?

    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 8 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 49m. Southwest provides one of the quickest options available for as low as £325. The distance between Washington, D.C. and Las Vegas is about 2099 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 (90%), United Airlines (85%) or Austrian Airlines (83%) 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 £205. While the most popular route (Baltimore/Washington - Las Vegas Harry Reid Intl) can be booked for £235 on average, our data indicates £309 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 £160). Flying from Washington, D.C. to Las Vegas in April is currently the most expensive (average of £405). 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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