Cheap flights from Washington, D.C. to Las Vegas from £49

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 28/10. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — LAS
3 Sep — 10 Sep1
1 adult

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 29 August 2025.

Round-trip from

£120

One-way from

£49

Popular in

December

Cheapest in

July

Average price

£215

Good round-trip deal

£44 or less

Good one-way deal

£46 or less
Spirit Airlines
  • Spirit Airlines
  • 29/10-1/11
  • Nonstop
  • 9h 53m total
  • Washington, D.C. to Las Vegas
Spirit Airlines
  • Spirit Airlines
  • 28/10
  • Nonstop
  • 5h 13m total
  • Washington, D.C. to Las Vegas
Highest demand for flights based on searches. 10% potential increase in price (£22 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£5 potential savings vs. average return price).
Average for round-trip flights in August 2025
Price to beat on a round-trip flight from Washington, D.C. (WAS) to Las Vegas Harry Reid Intl.
Price to beat on a one-way flight from Washington, D.C. (WAS) to Las Vegas Harry Reid Intl.

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

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 29 August 2025.

Sat 30/813:10BWI - LAS
1 stop13h 19mFrontier
Fri 5/900:55LAS - BWI
1 stop9h 31mFrontier
Deal found 27/8£108
Wed 29/1018:26BWI - LAS
Nonstop5h 13mSpirit Airlines
Sat 1/1121:45LAS - BWI
Nonstop4h 40mSpirit Airlines
Deal found 27/8£120
Wed 24/919:59IAD - LAS
Nonstop4h 59mUnited Airlines
Fri 26/923:20LAS - IAD
Nonstop4h 35mUnited Airlines
Deal found 25/8£153
Sat 27/906:05DCA - LAS
Nonstop5h 00mSouthwest
Sat 4/1008:15LAS - DCA
Nonstop4h 40mSouthwest
Deal found 28/8£153
Sun 12/1020:48BWI - LAS
1 stop30h 11mFrontier
Sat 18/1000:59LAS - BWI
1 stop13h 45mFrontier
Deal found 28/8£157
Mon 8/1217:37IAD - LAS
1 stop8h 49mAlaska Airlines
Fri 12/1219:56LAS - IAD
1 stop18h 34mAlaska Airlines
Deal found 27/8£160
Sun 7/1208:59DCA - LAS
1 stop9h 23mAlaska Airlines
Thu 11/1210:25LAS - DCA
1 stop7h 37mAlaska Airlines
Deal found 27/8£160
Sat 6/1212:35IAD - LAS
Nonstop5h 23mUnited Airlines
Mon 8/1223:53LAS - IAD
Nonstop4h 19mUnited Airlines
Deal found 26/8£161
Wed 10/1216:35DCA - LAS
Nonstop5h 15mSouthwest
Sat 13/1211:35LAS - DCA
Nonstop4h 25mSouthwest
Deal found 26/8£161
Sat 30/817:46BWI - LAS
2 stops30h 42mMultiple Airlines
Fri 5/906:00LAS - BWI
1 stop8h 42mMultiple Airlines
Deal found 27/8£162
Tue 28/1017:40IAD - LAS
1 stop7h 46mHawaiian Airlines
Thu 30/1006:00LAS - IAD
1 stop8h 13mHawaiian Airlines
Deal found 25/8£167
Sat 30/817:46BWI - LAS
2 stops30h 42mMultiple Airlines
Thu 4/906:00LAS - BWI
1 stop12h 14mMultiple Airlines
Deal found 27/8£167

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 29 August 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

BaltimoreLas Vegas

BWI - LAS

BWILAS

Baltimore/Washington

Wed 29/10

18:26-20:39

Nonstop5h 13m

Las Vegas Harry Reid Intl

Sat 1/11

21:45-05:25

Nonstop4h 40m

£120

BaltimoreLas Vegas

BWI - LAS

BWILAS

Baltimore/Washington

Thu 30/10

18:26-20:39

Nonstop5h 13m

Las Vegas Harry Reid Intl

Sat 1/11

21:45-05:25

Nonstop4h 40m

£120

Washington, D.C.Las Vegas

DCA - LAS

DCALAS

Washington, D.C. Reagan-National

Fri 24/10

16:45-18:55

Nonstop5h 10m

Las Vegas Harry Reid Intl

Tue 28/10

08:55-16:25

Nonstop4h 30m

£153

Washington, D.C.Las Vegas

DCA - LAS

DCALAS

Washington, D.C. Reagan-National

Tue 11/11

16:35-18:50

Nonstop5h 15m

Las Vegas Harry Reid Intl

Fri 14/11

09:20-16:45

Nonstop4h 25m

£153

Washington, D.C.Las Vegas

DCA - LAS

DCALAS

Washington, D.C. Reagan-National

Sat 25/10

06:05-08:15

Nonstop5h 10m

Las Vegas Harry Reid Intl

Tue 28/10

08:55-16:25

Nonstop4h 30m

£153

Washington, D.C.Las Vegas

DCA - LAS

DCALAS

Washington, D.C. Reagan-National

Mon 29/9

16:55-18:55

Nonstop5h 00m

Las Vegas Harry Reid Intl

Sat 4/10

08:15-15:55

Nonstop4h 40m

£153

Washington, D.C.Las Vegas

DCA - LAS

DCALAS

Washington, D.C. Reagan-National

Sun 7/12

08:59-15:22

1 stop9h 23m

Las Vegas Harry Reid Intl

Thu 11/12

10:25-21:02

1 stop7h 37m

£160

Washington, D.C.Las Vegas

DCA - LAS

DCALAS

Washington, D.C. Reagan-National

Mon 8/12

08:59-14:17

1 stop8h 18m

Las Vegas Harry Reid Intl

Fri 12/12

10:25-21:02

1 stop7h 37m

£160

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Sat 6/12

08:21-10:34

Nonstop5h 13m

Las Vegas Harry Reid Intl

Thu 11/12

13:50-21:10

Nonstop4h 20m

£161

Washington, D.C.Las Vegas

DCA - LAS

DCALAS

Washington, D.C. Reagan-National

Wed 10/12

16:35-18:50

Nonstop5h 15m

Las Vegas Harry Reid Intl

Sat 13/12

11:35-19:00

Nonstop4h 25m

£161

Flights are sorted by cheapest return flights first.

Deals found on 27/8

Showing 1-10 of 52 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 22 August 2025.

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, January is the cheapest month in which you can book a flight from Washington, D.C. to Las Vegas (average of £689). Flying from Washington, D.C. to Las Vegas in July is currently the most expensive (average of £1,020). 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 29 August 2025.

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.

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 29 August 2025.

The most flights from WAS to LAS are scheduled on a Thursday (11 on average). You will have fewer flight options on Tuesday, 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?

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 7 flights from Washington, D.C. to Harry Reid Intl per day from 1 airline.

  • 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 10m. Spirit Airlines provides one of the quickest options available for as low as £153. The distance between Washington, D.C. and Las Vegas is about 2082 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 Spirit Airlines. According to our data, you can fly for as low as £49. Users have also found prices from £73 and £77 on United Airlines and Southwest, respectively.

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

  • 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 Brussels Airlines (78%), Frontier (77%) or Ethiopian Air (72%) 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 £96. While the most popular route (Washington, D.C. Dulles Intl - Las Vegas Harry Reid Intl) can be booked for £190 on average our data indicates £251 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, January is the cheapest month in which you can book a flight from Washington, D.C. to Las Vegas (average of £689). Flying from Washington, D.C. to Las Vegas in July is currently the most expensive (average of £1,020). 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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Top airline flying from Washington, D.C. to Las Vegas

Discover the top airline that operate flights from Washington, D.C. to Las Vegas. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 29 August 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest£41Average£221FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights

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How does Cheapflights help users find flights from Washington, D.C. to Las Vegas?

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Yes! Cheapflights helps users easily find flights from Washington, D.C. to Las Vegas with no change fees.

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