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Cheap flights from Washington, D.C. to Las Vegas from £50

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 23/2. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — LAS
23 Nov — 30 Nov1
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 23 days in advance, depart on a Tuesday or Monday and return on a Monday

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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 24 October 2025.

Sat 6/1218:06BWI - LAS
1 stop7h 46mAmerican Airlines
Sat 13/1206:11LAS - BWI
1 stop7h 45mAmerican Airlines
Deal found 22/10£119
Sun 16/1110:22BWI - LAS
1 stop12h 30mSpirit Airlines
Thu 20/1109:00LAS - BWI
1 stop11h 16mSpirit Airlines
Deal found 22/10£120
Sat 13/1219:32IAD - LAS
Nonstop5h 20mUnited Airlines
Tue 16/1223:53LAS - IAD
Nonstop4h 19mUnited Airlines
Deal found 23/10£148
Sat 6/1207:00DCA - LAS
Nonstop5h 30mAmerican Airlines
Sat 13/1213:26LAS - DCA
Nonstop4h 29mAmerican Airlines
Deal found 22/10£148
Wed 3/1219:32IAD - LAS
Nonstop5h 20mUnited Airlines
Sat 6/1219:04LAS - IAD
1 stop8h 47mUnited Airlines
Deal found 23/10£152
Thu 20/1117:43DCA - LAS
1 stop8h 06mJetBlue
Mon 24/1110:55LAS - DCA
1 stop9h 04mJetBlue
Deal found 23/10£154
Mon 24/1117:43DCA - LAS
1 stop10h 38mJetBlue
Tue 2/1223:59LAS - DCA
1 stop9h 03mJetBlue
Deal found 23/10£157
Sun 7/1208:20IAD - LAS
Nonstop5h 13mUnited Airlines
Wed 10/1223:53LAS - IAD
Nonstop4h 19mUnited Airlines
Deal found 23/10£161
Sat 6/1218:23BWI - LAS
2 stops15h 56mSpirit Airlines
Sat 13/1223:45LAS - BWI
1 stop6h 32mSpirit Airlines
Deal found 22/10£163
Tue 2/1206:00DCA - LAS
1 stop8h 58mJetBlue
Tue 9/1209:53LAS - DCA
1 stop10h 05mJetBlue
Deal found 23/10£163
Thu 4/1208:20IAD - LAS
Nonstop5h 13mUnited Airlines
Sat 6/1213:50LAS - IAD
Nonstop4h 20mUnited Airlines
Deal found 23/10£164
Tue 9/1208:20IAD - LAS
Nonstop5h 13mUnited Airlines
Mon 15/1219:04LAS - IAD
1 stop8h 47mUnited Airlines
Deal found 22/10£166

Cheap 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 24 October 2025.

Round-trip from

£119

One-way from

£50

Popular in

December

Cheapest in

August

Average price

£283
American Airlines
  • American Airlines
  • 6/12-13/12
  • 2 total stops
  • 15h 31m total
  • Washington, D.C. to Las Vegas
Search Deals
Spirit Airlines
  • Spirit Airlines
  • 6/12
  • 1 total stop
  • 13h 49m total
  • Washington, D.C. to Las Vegas
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (£23 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£5 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2025
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 24 October 2025.
Use the filters below to find and compare flights from Washington, D.C. to Las Vegas that are best for you.

Fly from

Washington, D.C.

Fly to

Las Vegas

Route

Depart

Return

Price

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Tue 9/12

12:35-14:58

Nonstop5h 23m

Las Vegas Harry Reid Intl

Thu 11/12

18:23-05:16

1 stop7h 53m

£169

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Thu 22/1

08:30-10:57

Nonstop5h 27m

Las Vegas Harry Reid Intl

Sun 25/1

23:50-07:13

Nonstop4h 23m

£175

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Fri 23/1

19:36-21:57

Nonstop5h 21m

Las Vegas Harry Reid Intl

Mon 26/1

19:06-07:14

1 stop9h 08m

£179

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Fri 6/2

19:36-21:57

Nonstop5h 21m

Las Vegas Harry Reid Intl

Sun 8/2

18:44-05:21

1 stop7h 37m

£182

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Fri 30/1

13:00-18:56

1 stop8h 56m

Las Vegas Harry Reid Intl

Mon 2/2

23:30-09:11

1 stop6h 41m

£193

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Tue 11/11

06:00-12:28

1 stop9h 28m

Las Vegas Harry Reid Intl

Thu 20/11

06:00-16:23

1 stop7h 23m

£193

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Mon 10/11

17:59-22:30

1 stop7h 31m

Las Vegas Harry Reid Intl

Fri 14/11

22:10-10:24

1 stop9h 14m

£193

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Sat 6/12

17:03-22:13

1 stop8h 10m

Las Vegas Harry Reid Intl

Sat 13/12

06:00-18:21

1 stop9h 21m

£193

BaltimoreLas Vegas

BWI - LAS

BWILAS

Baltimore/Washington

Wed 3/12

08:04-12:31

1 stop7h 27m

Las Vegas Harry Reid Intl

Fri 5/12

00:44-10:05

1 stop6h 21m

£193

BaltimoreLas Vegas

BWI - LAS

BWILAS

Baltimore/Washington

Sun 14/12

07:15-12:12

1 stop7h 57m

Las Vegas Harry Reid Intl

Tue 16/12

00:44-11:11

1 stop7h 27m

£193

Flights are sorted by cheapest return flights first.

Deals found on 23/10

Showing 1-10 of 60 results
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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?

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 17 October 2025.

Booking 23 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, March is the cheapest month in which you can book a flight from Washington, D.C. to Las Vegas (average of £74). Flying from Washington, D.C. to Las Vegas in December is currently the most expensive (average of £121). 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 24 October 2025.

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 46% versus a flight at midday.

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 24 October 2025.

The most flights from WAS to LAS are scheduled on a Wednesday (8 on average). You will have fewer flight options on Monday, 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?

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 £100.

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.

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 4 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 5h 23m. United Airlines provides one of the quickest options available for as low as £169. 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 cheapest airlines to fly from Washington, D.C. to Las Vegas one-way?

    For one-way options, check prices for Southwest. According to our data, you can fly for as low as £85. Users have also found prices from £96 and £97 on Alaska Airlines and Delta, respectively.

  • 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 Washington, D.C. Reagan-National - Las Vegas Harry Reid Intl, Washington, D.C. Dulles Intl - Las Vegas Harry Reid Intl and Baltimore/Washington - 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 ITA Airways (100%), Austrian Airlines (95%) or United Airlines (84%) 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, March is the cheapest month in which you can book a flight from Washington, D.C. to Las Vegas (average of £74). Flying from Washington, D.C. to Las Vegas in December is currently the most expensive (average of £121). 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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