Cheap flights from Washington, D.C. to Las Vegas from $156
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 1/11. 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 16 septembre 2025.
Round-trip from | $245 |
---|---|
One-way from | $156 |
Popular in | December |
Cheapest in | August |
Average price | $507 |
Good round-trip deal | $250 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 16 septembre 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 16 septembre 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
Washington, D.C.Las Vegas
IAD - LAS
IADLAS
Washington, D.C. Dulles Intl
sam. 1/11
17:40-22:26
1 stop7h 46m
Las Vegas Harry Reid Intl
mar. 4/11
07:25-17:13
1 stop6h 48m
Washington, D.C.Las Vegas
IAD - LAS
IADLAS
Washington, D.C. Dulles Intl
sam. 1/11
17:40-22:26
1 stop7h 46m
Las Vegas Harry Reid Intl
mar. 4/11
17:40-17:13
1 stop20h 33m
Washington, D.C.Las Vegas
IAD - LAS
IADLAS
Washington, D.C. Dulles Intl
sam. 18/10
17:42-10:30
1 stop19h 48m
Las Vegas Harry Reid Intl
mar. 21/10
12:40-16:42
1 stop25h 02m
Washington, D.C.Las Vegas
IAD - LAS
IADLAS
Washington, D.C. Dulles Intl
ven. 14/11
17:40-23:33
1 stop8h 53m
Las Vegas Harry Reid Intl
lun. 17/11
19:47-17:13
1 stop18h 26m
Washington, D.C.Las Vegas
IAD - LAS
IADLAS
Washington, D.C. Dulles Intl
mer. 10/12
17:37-22:27
1 stop7h 50m
Las Vegas Harry Reid Intl
jeu. 11/12
07:25-17:30
1 stop7h 05m
Washington, D.C.Las Vegas
IAD - LAS
IADLAS
Washington, D.C. Dulles Intl
mer. 14/1
15:00-20:37
1 stop8h 37m
Las Vegas Harry Reid Intl
mer. 21/1
06:05-16:30
1 stop7h 25m
Washington, D.C.Las Vegas
IAD - LAS
IADLAS
Washington, D.C. Dulles Intl
dim. 16/11
17:59-22:30
1 stop7h 31m
Las Vegas Harry Reid Intl
lun. 17/11
00:43-11:34
1 stop7h 51m
Washington, D.C.Las Vegas
IAD - LAS
IADLAS
Washington, D.C. Dulles Intl
mer. 22/10
19:59-21:59
Nonstop5h 00m
Las Vegas Harry Reid Intl
mar. 28/10
23:50-07:09
Nonstop4h 19m
Washington, D.C.Las Vegas
IAD - LAS
IADLAS
Washington, D.C. Dulles Intl
mer. 8/10
19:59-21:59
Nonstop5h 00m
Las Vegas Harry Reid Intl
ven. 10/10
18:22-06:39
1 stop9h 17m
Washington, D.C.Las Vegas
IAD - LAS
IADLAS
Washington, D.C. Dulles Intl
jeu. 13/11
17:40-23:33
1 stop8h 53m
Las Vegas Harry Reid Intl
ven. 14/11
07:25-17:13
1 stop6h 48m
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 12 September 2025.
To ensure you get the cheapest price possible for a flight from Washington, D.C. to Las Vegas, you should look to book at least 37 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
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 $978). Flying from Washington, D.C. to Las Vegas in December is currently the most expensive (average of $1,513). 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 16 septembre 2025.
When flying from Washington, D.C. to Las Vegas, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
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 16 septembre 2025.
The most flights from WAS to LAS are scheduled on a Monday (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.
Travelling to a place near Las Vegas?
Book flights to Las Vegas if you plan to visit one of these locationsBrowse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes for Washington, D.C. to Las Vegas
See prices for flight routes from nearby airports that may be better suited for you.
Fly with Cheapflights
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Washington, D.C. to Las Vegas?
Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Washington, D.C. to Las Vegas. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.
Why should you use Cheapflights to find cheap flight tickets from Washington, D.C. to Las Vegas?
By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Las Vegas from Washington, D.C..
Can Cheapflights find flights from Washington, D.C. to Las Vegas with no change fees?
Yes, we can. To see specific flights from Washington, D.C. to Las Vegas with no change fees, users can toggle flexible booking options after using the search form above to find flights.
Can Cheapflights notify me if prices for flights from Washington, D.C. to Las Vegas become cheaper?
Yes! Start tracking prices for Washington, D.C. to Las Vegas flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.