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.
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 |
Find flight deals from Washington, D.C. to Las Vegas
Cheapest flights from Washington, D.C. to Las VegasExplore 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.
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.
Cheapflights Fare Finder
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
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
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
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
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
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
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
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
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
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
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
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.
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.
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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.
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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?
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