Cheap flights from Washington Dulles Intl to Las Vegas (IAD - LAS)

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How to find the cheapest flight from
Washington Dulles Intl (IAD) to Las Vegas (LAS)

All the information you need to plan the best IAD to LAS flight in 2021: compare Washington Dulles Intl to Las Vegas flight prices with the expected peak season, weather and rainfall in Las Vegas.
IAD - LAS
Price
$295 - $457
LAS
Temperature
59 - 105.8 °F
LAS
Rainfall
0.1 - 0.9 inches

Popular in

April

High demand for flights, 18% potential price rise

Cheapest in

August

Best time to find cheap flights, 21% potential price drop

Round-trip from

$295

From Washington Dulles Intl to Las Vegas

One-way from

$152

One-way flight from Washington Dulles Intl to Las Vegas

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
How far in advance should I book a flight from Washington Dulles Intl to Las Vegas?

Find a great deal and save up to 18% by booking at least 24 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Washington Dulles Intl to Las Vegas within the next two weeks, with the cheapest ticket starting at $262.

What is the cheapest month to fly from Washington Dulles Intl to Las Vegas?

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, August can be a great choice for travel to Las Vegas. Flights to Las Vegas from Washington Dulles Intl in August are about $260 on average during August, but can be found for as low as $64.

Cheap flights from Washington Dulles Intl to Las Vegas in May, June 2021

The best prices found for IAD to LAS flights for May, June
23 May - 26 May
$259pp
IAD
Washington Dulles Intl
Multiple Airlines
   
2 STOPS
LAS
Las Vegas McCarran
LAS
Las Vegas McCarran
Multiple Airlines
   
2 STOPS
IAD
Washington Dulles Intl
23 May - 26 May
$275pp
IAD
Washington Dulles Intl
Multiple Airlines
   
2 STOPS
LAS
Las Vegas McCarran
LAS
Las Vegas McCarran
United Airlines
Non-Stop
IAD
Washington Dulles Intl
25 May - 28 May
$276pp
IAD
Washington Dulles Intl
Multiple Airlines
   
2 STOPS
LAS
Las Vegas McCarran
LAS
Las Vegas McCarran
Multiple Airlines
   
2 STOPS
IAD
Washington Dulles Intl

Washington Dulles Intl to Las Vegas 2021 flight deals

Cheap flights to Las Vegas from Washington Dulles Intl found for this year
23 May - 26 May
$259pp
IAD
Washington Dulles Intl
Multiple Airlines
   
2 STOPS
LAS
Las Vegas McCarran
LAS
Las Vegas McCarran
Multiple Airlines
   
2 STOPS
IAD
Washington Dulles Intl
1 Sep - 10 Sep
$267pp
IAD
Washington Dulles Intl
United Airlines
Non-Stop
LAS
Las Vegas McCarran
LAS
Las Vegas McCarran
United Airlines
Non-Stop
IAD
Washington Dulles Intl
29 Aug - 2 Sep
$270pp
IAD
Washington Dulles Intl
Multiple Airlines
 
1 STOP
LAS
Las Vegas McCarran
LAS
Las Vegas McCarran
United Airlines
Non-Stop
IAD
Washington Dulles Intl

Non-stop flights to Las Vegas from Washington Dulles Intl

Save time with Washington Dulles Intl to Las Vegas direct flight deals
1 Sep - 10 Sep
$267pp
IAD
Washington Dulles Intl
United Airlines
Non-Stop
LAS
Las Vegas McCarran
LAS
Las Vegas McCarran
United Airlines
Non-Stop
IAD
Washington Dulles Intl
15 Sep - 20 Sep
$276pp
IAD
Washington Dulles Intl
United Airlines
Non-Stop
LAS
Las Vegas McCarran
LAS
Las Vegas McCarran
United Airlines
Non-Stop
IAD
Washington Dulles Intl
11 Sep - 18 Sep
$285pp
IAD
Washington Dulles Intl
United Airlines
Non-Stop
LAS
Las Vegas McCarran
LAS
Las Vegas McCarran
United Airlines
Non-Stop
IAD
Washington Dulles Intl

Last minute flights from Washington Dulles Intl to Las Vegas

Late deals on round-trip flights to Las Vegas from Washington Dulles Intl, departing today and this week
18 May - 24 May
$317pp
IAD
Washington Dulles Intl
Multiple Airlines
   
2 STOPS
LAS
Las Vegas McCarran
LAS
Las Vegas McCarran
Multiple Airlines
   
2 STOPS
IAD
Washington Dulles Intl
18 May - 21 May
$323pp
IAD
Washington Dulles Intl
United Airlines
 
1 STOP
LAS
Las Vegas McCarran
LAS
Las Vegas McCarran
United Airlines
 
1 STOP
IAD
Washington Dulles Intl
18 May - 4 Jun
$326pp
IAD
Washington Dulles Intl
United Airlines
 
1 STOP
LAS
Las Vegas McCarran
LAS
Las Vegas McCarran
United Airlines
Non-Stop
IAD
Washington Dulles Intl

One-way flights to Las Vegas from Washington Dulles Intl

The cheapest one-way flights from Washington Dulles Intl to Las Vegas
2:00 am - 8:38 am
Delta
1 Stop
9h 38m
IAD - LAS
Delta
$152
Delta
12:58 pm - 7:59 pm
American Airlines
2 Stops
10h 01m
IAD - LAS
American Airlines
1:40 pm - 2:35 pm
Alaska Airlines
2 Stops
27h 55m
IAD - LAS
Alaska Airlines

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Washington Dulles Intl</span> to <span class="emphasized">Las Vegas</span> flights.

Flight FAQs

From Washington Dulles Intl to Las Vegas

Are flight prices decreasing from Washington Dulles Intl to Las Vegas due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Washington Dulles Intl and Las Vegas for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

What safety measures are being taken by airlines flying from Washington Dulles Intl to Las Vegas McCarran to control the spread of COVID-19?

New policies can now be found on Alaska Airlines to help keep travelers safe while flying. New policies for travelers booking flights from Washington Dulles Intl to Las Vegas McCarran include masks being provided and required on board, daily cleaning and sanitization, use of HEPA filters, pre-flight testing for antibodies and symptoms, and socially distanced seating (for a limited time). Keep in mind that policies will vary by airline.

Which airlines flying from Washington Dulles Intl to Las Vegas McCarran have flexible cancellations due to COVID-19?

Some of our airline partners flying from Washington Dulles Intl to Las Vegas McCarran have new flexible policies in place due to COVID-19. United Airlines, Frontier, and American Airlines are some of the carriers where you may find flexible cancellation policies. You can use our site to filter for airlines like United Airlines with this kind of flexibility.

What airport do you fly into for flights to Las Vegas from Washington Dulles Intl?

Las Vegas McCarran (LAS), located 6.2 mi from the city center, is the airport you fly into when you book flights from Washington Dulles Intl to Las Vegas. 9 airlines have flights to McCarran from Washington Dulles Intl on a regular basis. Booking flights from Washington Dulles Intl to Las Vegas McCarran should not be difficult; the airport handles an average of 3 inbound flights from Washington Dulles Intl per day.

Can I find flights from Washington Dulles Intl to Las Vegas for under $300 on Cheapflights?

Yes, there are multiple flights from Washington Dulles Intl to Las Vegas for under $300. The cheapest flight booked recently is on Multiple Airlines for just $259, but on average you can expect to pay $276.

Are there nonstop flights from Washington Dulles Intl to Las Vegas for under $300 on Cheapflights?

Cheapflights has at least 20 direct flights from Washington Dulles Intl to Las Vegas under $300. A good price for a nonstop flight from Washington Dulles Intl to Las Vegas is less than $318.

Are there last-minute flights available from Washington Dulles Intl to Las Vegas for under $400?

There are currently 20+ open flights from Washington Dulles Intl to Las Vegas within the next 7 days for less than $400.

What days are nonstop flights available from Washington Dulles Intl to Las Vegas?

Nonstop flights are available for this route on the following days: Tuesday, Wednesday, Friday.

How many flights depart from Washington Dulles Intl to Las Vegas on average per day?

On average 6 flights depart from Washington Dulles Intl to Las Vegas McCarran per day.
Morning (6am - Noon) - 17% of flight departures
Evening (6pm - Midnight) - 83% of flight departures

Does it rain more in Washington Dulles Intl or Las Vegas?

Expected rainfall in Washington Dulles Intl is less than in Las Vegas. You can expect this to be the case over the next 17 days.

Is Washington Dulles Intl weather warmer or cooler than Las Vegas?

Our data indicates that the weather will be 106 °F on average in the month of July. The temperature in Las Vegas is typically hotter than in Washington Dulles Intl. If you're traveling when the temperature is at its warmest, push to plan early, as flight price and availability will have an impact on your travels. For the best results, search for flights well in advance or after peak season.

How long is the flight from Washington Dulles Intl to Las Vegas?

For as low as $267, United Airlines can have you in Las Vegas from Washington Dulles Intl in 5h 17m. Washington Dulles Intl and Las Vegas are separated by a distance of 2072 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

What are the cheapest airlines flying from Washington Dulles Intl to Las Vegas round-trip?

According to our current data, United Airlines ($267), American Airlines ($272), and Delta ($275) offers the cheapest pricing from Washington Dulles Intl to Las Vegas. You may be able to fly from Washington Dulles Intl to Las Vegas for 28% less than the average price by searching for these airlines.

What are the cheapest airlines to fly from Washington Dulles Intl to Las Vegas one-way?

$134 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on American Airlines and Delta, with prices starting from $136 and $138, respectively.

Destination information for Las Vegas

Things to know before you go - useful duration and weather info for your trip from Washington Dulles Intl to Las Vegas.
Flight duration
4h 52m
Average temperature for May in Las Vegas
91.4 °F
Avg rainfall for May in Las Vegas
0.1 ″

Airports servicing Washington

Airports servicing Las Vegas

Top 7 airlines flying from Washington Dulles Intl to Las Vegas

The chart below displays the airlines Cheapflights users traveling from Washington Dulles Intl to Las Vegas choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Frontier
$80 $236 No cancel fee 62%
Sun Country Air
$141 $261 No cancel fee 83%
Spirit Airlines
$114 $289 No cancel fee 65%
Delta
$128 $322 No cancel fee N/A
American Airlines
$146 $346 No cancel fee 71%
Alaska Airlines
$145 $367 No cancel fee 75%
United Airlines
$175 $439 No cancel fee 69%

Hourly flight availability from Washington Dulles Intl to Las Vegas

See what time of day planes typically take off from Washington Dulles Intl towards Las Vegas.
Afternoon Noon to 6 PM 92% of IAD to LAS departures
Morning 6 AM to noon 7% of IAD to LAS departures
Early morning Midnight to 6 AM 1% of IAD to LAS departures
Evening 6 PM to midnight 0% of IAD to LAS departures
Midnight
6 AM
Noon
6 PM
Weekly flight availability
from Washington Dulles Intl to Las Vegas
See how many times per day planes take to the skies headed from Washington Dulles Intl to Las Vegas.
Sunday
4 daily flights
Monday
6 daily flights
Tuesday
5 daily flights
Wednesday
2 daily flights
Thursday
1 daily flight
Friday
4 daily flights
Saturday
1 daily flight
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