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Cheap flights from Washington, D.C. to Las Vegas from £94

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 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — LAS
21 Apr — 28 Apr1
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 19 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
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 22 March 2026.

Wed 10/617:19
BWI
-
LAS
1 stop8h 11m
Frontier
Wed 17/609:25
LAS
-
BWI
1 stop8h 39m
Frontier
Deal found 21/3£188
Thu 21/516:29
BWI
-
LAS
1 stop9h 04m
Frontier
Thu 28/507:15
LAS
-
BWI
1 stop10h 08m
Frontier
Deal found 21/3£199
Thu 21/516:29
BWI
-
LAS
1 stop9h 04m
Frontier
Fri 29/507:15
LAS
-
BWI
1 stop10h 08m
Frontier
Deal found 21/3£203
Fri 29/517:17
BWI
-
LAS
1 stop8h 16m
Frontier
Sat 6/600:59
LAS
-
BWI
1 stop13h 26m
Frontier
Deal found 21/3£219
Tue 19/518:22
BWI
-
LAS
1 stop8h 32m
Frontier
Mon 25/523:00
LAS
-
BWI
1 stop7h 53m
Frontier
Deal found 21/3£223
Sun 3/508:59
DCA
-
LAS
1 stop8h 00m
Alaska Airlines
Thu 7/508:00
LAS
-
DCA
1 stop10h 59m
Alaska Airlines
Deal found 20/3£234
Mon 6/417:20
DCA
-
LAS
1 stop9h 37m
Alaska Airlines
Thu 9/410:08
LAS
-
DCA
1 stop7h 52m
Alaska Airlines
Deal found 17/3£237
Wed 18/1110:59
DCA
-
LAS
1 stop8h 43m
Alaska Airlines
Tue 24/1110:14
LAS
-
DCA
1 stop8h 45m
Alaska Airlines
Deal found 20/3£238
Wed 27/513:10
DCA
-
LAS
1 stop9h 52m
JetBlue
Thu 4/612:25
LAS
-
DCA
1 stop7h 34m
JetBlue
Deal found 21/3£241
Wed 27/521:25
BWI
-
LAS
2 stops27h 31m
Frontier
Wed 3/623:00
LAS
-
BWI
1 stop7h 53m
Frontier
Deal found 21/3£242
Fri 22/508:45
BWI
-
LAS
1 stop7h 45m
Frontier
Thu 28/507:15
LAS
-
BWI
1 stop10h 08m
Frontier
Deal found 21/3£247
Wed 7/1008:00
DCA
-
LAS
1 stop11h 45m
Alaska Airlines
Fri 9/1008:00
LAS
-
DCA
1 stop10h 59m
Alaska Airlines
Deal found 21/3£248

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 22 March 2026.

Round-trip from

£188

One-way from

£94

Popular in

March

Cheapest in

August

Average price

£399
Frontier
  • Frontier
  • 10/6-17/6
  • 2 total stops
  • 16h 50m total
  • Washington, D.C. to Las Vegas
Search Deals
Alaska Airlines
  • Alaska Airlines
  • 12/5
  • 1 total stop
  • 8h 00m total
  • Washington, D.C. to Las Vegas
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (£49 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£9 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
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 22 March 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

DCA - LAS

DCALAS

Washington, D.C. Reagan-National

Tue 2/6

17:25-23:20

1 stop8h 55m

Las Vegas Harry Reid Intl

Tue 9/6

12:25-22:59

1 stop7h 34m

£241

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Tue 14/4

07:00-15:27

1 stop11h 27m

Las Vegas Harry Reid Intl

Tue 21/4

10:55-23:55

1 stop10h 00m

£259

Washington, D.C.Las Vegas

DCA - LAS

DCALAS

Washington, D.C. Reagan-National

Mon 8/6

17:25-23:20

1 stop8h 55m

Las Vegas Harry Reid Intl

Mon 15/6

20:50-07:58

1 stop8h 08m

£259

BaltimoreLas Vegas

BWI - LAS

BWILAS

Baltimore/Washington

Sat 25/4

15:00-17:20

Nonstop5h 20m

Las Vegas Harry Reid Intl

Tue 28/4

19:50-05:30

1 stop6h 40m

£277

Washington, D.C.Las Vegas

DCA - LAS

DCALAS

Washington, D.C. Reagan-National

Fri 29/5

14:55-23:20

1 stop11h 25m

Las Vegas Harry Reid Intl

Fri 5/6

10:50-22:59

1 stop9h 09m

£283

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Tue 26/5

20:10-22:19

Nonstop5h 09m

Las Vegas Harry Reid Intl

Thu 28/5

08:48-16:24

Nonstop4h 36m

£286
Fastest return journey

Washington, D.C.Las Vegas

DCA - LAS

DCALAS

Washington, D.C. Reagan-National

Mon 27/4

16:50-19:00

Nonstop5h 10m

Las Vegas Harry Reid Intl

Wed 29/4

09:10-16:40

Nonstop4h 30m

£286

Washington, D.C.Las Vegas

DCA - LAS

DCALAS

Washington, D.C. Reagan-National

Tue 1/9

09:30-20:26

2 stops13h 56m

Las Vegas Harry Reid Intl

Tue 1/9

22:21-17:59

1 stop16h 38m

£292

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Mon 13/4

17:26-22:04

1 stop7h 38m

Las Vegas Harry Reid Intl

Sat 18/4

08:10-15:49

Nonstop4h 39m

£293

Washington, D.C.Las Vegas

DCA - LAS

DCALAS

Washington, D.C. Reagan-National

Sat 2/5

07:00-09:25

Nonstop5h 25m

Las Vegas Harry Reid Intl

Tue 5/5

06:50-18:40

1 stop8h 50m

£293

Flights are sorted by cheapest return flights first.

Deals found on 21/3

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?

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 13 March 2026.

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, June is the cheapest month in which you can book a flight from Washington, D.C. to Las Vegas (average of £89). Flying from Washington, D.C. to Las Vegas in March is currently the most expensive (average of £163). 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 22 March 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 22 March 2026.

The most flights from WAS to LAS are scheduled on a Friday (12 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?

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.

How often are flights from Washington, D.C. to Las Vegas delayed?

About 19% 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 9% 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 7 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 20m. JetBlue provides one of the quickest options available for as low as £277. 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 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 £45. Users have also found prices from £110 and £117 on Alaska Airlines and United Airlines, 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 Baltimore/Washington - Las Vegas Harry Reid Intl, Washington, D.C. Reagan-National - Las Vegas Harry Reid Intl and Washington, D.C. Dulles Intl - 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%), Ethiopian Air (89%) or United Airlines (82%) 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, June is the cheapest month in which you can book a flight from Washington, D.C. to Las Vegas (average of £89). Flying from Washington, D.C. to Las Vegas in March is currently the most expensive (average of £163). 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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