Cheap flights from Washington, D.C. to Las Vegas from $173
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 7/5. 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 25 March 2025.
Round-trip from | $344 |
---|---|
One-way from | $173 |
Popular in | December |
Cheapest in | September |
Average price | $676 |
Good round-trip deal | $264 or less |
Good one-way deal | $105 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 25 March 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 25 March 2025.
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 647,157 searches. Data last updated 25 March 2025.
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
Tue 6/5
15:55-18:12
Nonstop5h 17m
Las Vegas Harry Reid Intl
Tue 13/5
08:25-15:58
Nonstop4h 33m
Washington, D.C.Las Vegas
IAD - LAS
IADLAS
Washington, D.C. Dulles Intl
Wed 7/5
08:01-10:16
Nonstop5h 15m
Las Vegas Harry Reid Intl
Wed 14/5
23:00-06:31
Nonstop4h 31m
Washington, D.C.Las Vegas
IAD - LAS
IADLAS
Washington, D.C. Dulles Intl
Wed 7/5
07:00-14:59
1 stop10h 59m
Las Vegas Harry Reid Intl
Wed 14/5
23:00-06:31
Nonstop4h 31m
Washington, D.C.Las Vegas
IAD - LAS
IADLAS
Washington, D.C. Dulles Intl
Wed 7/5
07:00-14:59
1 stop10h 59m
Las Vegas Harry Reid Intl
Sat 10/5
06:00-16:00
1 stop7h 00m
Washington, D.C.Las Vegas
IAD - LAS
IADLAS
Washington, D.C. Dulles Intl
Mon 5/5
17:00-22:24
1 stop8h 24m
Las Vegas Harry Reid Intl
Fri 9/5
17:34-07:43
1 stop11h 09m
Washington, D.C.Las Vegas
IAD - LAS
IADLAS
Washington, D.C. Dulles Intl
Sun 4/5
19:00-23:25
1 stop7h 25m
Las Vegas Harry Reid Intl
Fri 9/5
05:50-17:55
1 stop9h 05m
Washington, D.C.Las Vegas
IAD - LAS
IADLAS
Washington, D.C. Dulles Intl
Tue 15/4
07:25-14:10
1 stop9h 45m
Las Vegas Harry Reid Intl
Tue 22/4
23:30-09:07
1 stop6h 37m
Washington, D.C.Las Vegas
IAD - LAS
IADLAS
Washington, D.C. Dulles Intl
Sun 13/4
11:51-22:43
1 stop13h 52m
Las Vegas Harry Reid Intl
Thu 17/4
18:35-11:23
1 stop13h 48m
Washington, D.C.Las Vegas
IAD - LAS
IADLAS
Washington, D.C. Dulles Intl
Wed 7/5
15:55-18:12
Nonstop5h 17m
Washington, D.C.Las Vegas
IAD - LAS
IADLAS
Washington, D.C. Dulles Intl
Sat 3/5
17:00-22:24
1 stop8h 24m
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 21 March 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 28 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 $1,549). 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 25 March 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.
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 25 March 2025.
Read reviews from past customers who have flown Southwest, Alaska Airlines and Delta from Washington, D.C. to Las Vegas. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Food
Overall
Comfort
Crew
Entertainment
Boarding
Reviews
Ila,Mar 2025
HOU - DAL
Food
Overall
Comfort
Crew
Entertainment
Boarding
Reviews
Ila,Mar 2025
HOU - DAL
Food
Overall
Comfort
Crew
Entertainment
Boarding
Reviews
Ila,Mar 2025
HOU - DAL
Food
Overall
Comfort
Crew
Entertainment
Boarding
Reviews
Ila,Mar 2025
HOU - DAL
Food
Overall
Comfort
Crew
Entertainment
Boarding
Reviews
Ila,Mar 2025
HOU - DAL
Food
Overall
Comfort
Crew
Entertainment
Boarding
Reviews
Ila,Mar 2025
HOU - DAL
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 Washington, D.C.?
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Alternative routes for Washington, D.C. to Las Vegas
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Why should you use Cheapflights to find cheap flight tickets from Washington, D.C. to Las Vegas?
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Can Cheapflights find flights from Washington, D.C. to Las Vegas with no change fees?
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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.