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Cheap flights from Washington, D.C. to Las Vegas from £75

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 17/5. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — LAS
5 May — 12 May1
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 30 April 2025.

Round-trip from

£147

One-way from

£75

Popular in

December

Cheapest in

May

Average price

£292

Good one-way deal

£112 or less
Alaska Airlines
  • Alaska Airlines
  • 1/7-9/7
  • 2 total stops
  • 15h 52m total
  • Washington, D.C. to Las Vegas
Frontier
  • Frontier
  • 17/5
  • Nonstop
  • 5h 15m total
  • Washington, D.C. to Las Vegas
Highest demand for flights based on searches. 3% potential increase in price (£9 potential increase over avg. return price).
Cheapest flight prices on average. 1% potential price decrease (£4 potential savings vs. average return price).
Average for round-trip flights in April 2025
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 30 April 2025.

Tue 1/708:59DCA - LAS
1 stop8h 10mAlaska Airlines
Wed 9/710:17LAS - DCA
1 stop7h 42mAlaska Airlines
Deal found 29/4£147
Tue 3/606:09DCA - LAS
1 stop10h 00mJetBlue
Sat 7/610:53LAS - DCA
1 stop9h 05mJetBlue
Deal found 29/4£149
Tue 3/606:30IAD - LAS
1 stop9h 27mAlaska Airlines
Wed 4/611:26LAS - IAD
1 stop9h 33mAlaska Airlines
Deal found 29/4£164
Tue 1/717:55IAD - LAS
Nonstop5h 04mUnited Airlines
Tue 8/723:59LAS - IAD
Nonstop4h 35mUnited Airlines
Deal found 29/4£169
Tue 1/708:59DCA - LAS
1 stop8h 10mHawaiian Airlines
Fri 4/710:35LAS - DCA
1 stop8h 07mHawaiian Airlines
Deal found 28/4£183
Wed 16/719:55DCA - LAS
1 stop6h 50mSouthwest
Wed 23/709:20LAS - DCA
Nonstop4h 35mSouthwest
Deal found 29/4£184
Sun 15/607:45IAD - LAS
1 stop28h 35mSun Country Air
Thu 19/618:30LAS - IAD
1 stop13h 49mSun Country Air
Deal found 29/4£190
Wed 2/706:00IAD - LAS
1 stop7h 17mDelta
Wed 2/715:35LAS - IAD
1 stop11h 24mDelta
Deal found 29/4£192
Wed 2/707:59DCA - LAS
1 stop7h 02mDelta
Wed 2/722:35LAS - DCA
1 stop7h 34mDelta
Deal found 29/4£192
Fri 4/712:43BWI - LAS
1 stop28h 47mSun Country Air
Thu 10/723:59LAS - BWI
1 stop8h 30mSun Country Air
Deal found 29/4£198
Thu 3/705:00IAD - LAS
2 stops9h 40mSouthwest
Thu 10/707:00LAS - IAD
1 stop9h 05mSouthwest
Deal found 29/4£202
Sun 24/814:00DCA - LAS
1 stop7h 13mUnited Airlines
Fri 29/800:59LAS - DCA
1 stop7h 37mUnited Airlines
Deal found 29/4£203

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 30 April 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

DCA - LAS

DCALAS

Washington, D.C. Reagan-National

Tue 1/7

08:59-14:09

1 stop8h 10m

Las Vegas Harry Reid Intl

Wed 9/7

10:17-20:59

1 stop7h 42m

£147

Washington, D.C.Las Vegas

DCA - LAS

DCALAS

Washington, D.C. Reagan-National

Tue 3/6

06:09-13:09

1 stop10h 00m

Las Vegas Harry Reid Intl

Sat 7/6

10:53-22:58

1 stop9h 05m

£149

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Tue 3/6

06:30-12:57

1 stop9h 27m

Las Vegas Harry Reid Intl

Wed 4/6

11:26-23:59

1 stop9h 33m

£164

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Tue 1/7

17:55-19:59

Nonstop5h 04m

Las Vegas Harry Reid Intl

Tue 8/7

23:59-07:34

Nonstop4h 35m

£169

Washington, D.C.Las Vegas

DCA - LAS

DCALAS

Washington, D.C. Reagan-National

Tue 1/7

08:59-14:09

1 stop8h 10m

Las Vegas Harry Reid Intl

Tue 8/7

10:17-20:59

1 stop7h 42m

£183

Washington, D.C.Las Vegas

DCA - LAS

DCALAS

Washington, D.C. Reagan-National

Wed 16/7

19:55-23:45

1 stop6h 50m

Las Vegas Harry Reid Intl

Wed 23/7

09:20-16:55

Nonstop4h 35m

£184

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Sun 15/6

07:45-09:20

1 stop28h 35m

Las Vegas Harry Reid Intl

Thu 19/6

18:30-11:19

1 stop13h 49m

£190

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Wed 2/7

06:00-10:17

1 stop7h 17m

Las Vegas Harry Reid Intl

Wed 2/7

15:35-05:59

1 stop11h 24m

£192

Washington, D.C.Las Vegas

DCA - LAS

DCALAS

Washington, D.C. Reagan-National

Wed 2/7

07:59-12:01

1 stop7h 02m

Las Vegas Harry Reid Intl

Wed 2/7

22:35-09:09

1 stop7h 34m

£192

BaltimoreLas Vegas

BWI - LAS

BWILAS

Baltimore/Washington

Fri 4/7

12:43-14:30

1 stop28h 47m

Las Vegas Harry Reid Intl

Thu 10/7

23:59-11:29

1 stop8h 30m

£198

Flights are sorted by cheapest return flights first.

Deals found on 29/4

Showing 1-10 of 37 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 25 April 2025.

Booking 28 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 30 April 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 at midday, which can drop the price by up to 41% versus a flight in the morning.

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 30 April 2025.

The most flights from WAS to LAS are scheduled on a Tuesday (14 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (1 on average).

Rainfall in Las Vegas by month

Plan your trip to Las Vegas by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Las Vegas ranges from 3.0 - 20.0 inches per month. February is typically the wettest month, when rainfall can reach 20.0 mm. May is typically the driest time to visit Las Vegas when rainfall is around 3.0 mm.

Temperature in Las Vegas by month

Plan your trip to Las Vegas by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Las Vegas, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 34.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 9.0 C).

Reviews of airlines servicing Las Vegas

Get insights into the airlines that provide service to Las Vegas. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Las Vegas. Reviews last updated 30 April 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest and Delta from Washington, D.C. to Las Vegas to help guide your decision. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

7.9

Entertainment

7.1

Boarding

8.2

Crew

8.5

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Comfort

7.9

Entertainment

7.1

Boarding

8.2

Crew

8.5

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Comfort

7.9

Entertainment

7.1

Boarding

8.2

Crew

8.5

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
8.0
Very Good

Comfort

7.9

Entertainment

7.1

Boarding

8.2

Crew

8.5

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Comfort

7.9

Entertainment

7.1

Boarding

8.2

Crew

8.5

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Comfort

7.9

Entertainment

7.1

Boarding

8.2

Crew

8.5

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 6 flights from Washington, D.C. to Harry Reid Intl per day from 2 different airlines.

  • What are the cheapest airlines flying from Washington, D.C. to Las Vegas round-trip?

    According to our current data, Alaska Airlines (£147), JetBlue (£149), and United Airlines (£169) offers the cheapest pricing from Washington, D.C. to Las Vegas. Alaska Airlines is 49% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Washington, D.C. to Las Vegas one-way?

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as £75. Users have also found prices from £78 and £81 on JetBlue 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 Ethiopian Air (90%), United Airlines (68%) or Austrian Airlines (63%) 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 £106. While the most popular route (Washington, D.C. Reagan-National - Las Vegas Harry Reid Intl) can be booked for £155 on average our data indicates £120 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

Travelling to a place near Washington, D.C.?

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Top 2 airlines flying from Washington, D.C. to Las Vegas

Discover the top 2 airlines 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 30 April 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest£73Average£229FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
United AirlinesCheapest£281Average£463FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

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

Cheapflights makes it easy to find Washington, D.C. to Las Vegas flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Washington, D.C. to Las Vegas?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Washington, D.C. to Las Vegas for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Washington, D.C. to Las Vegas with no change fees?

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

Can Cheapflights notify me if prices for flights from Washington, D.C. to Las Vegas become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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