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

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The best prices from Washington Dulles Intl to Las Vegas are usually found in August or September, booked 26 days in advance, depart on a Sunday or Tuesday and return on a Thursday

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

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

$114

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.
What is the cheapest day to fly round-trip from Washington Dulles Intl to Las Vegas?

Travelers have found that booking a Saturday departure is the best way to save up to 64% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

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.

When is the cheapest time to fly from Washington Dulles Intl to Las Vegas (IAD - LAS)?

One of the essential ways to save on airfare from Washington Dulles Intl to Las Vegas is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 34% on airfare.

Cheap flights from Washington Dulles Intl to Las Vegas in January, February 2021

The best prices found for IAD to LAS flights for January, February
1 Feb - 4 Feb
$88pp
IAD
Washington Dulles Intl
Frontier
 
1 STOP
LAS
Las Vegas McCarran
LAS
Las Vegas McCarran
Frontier
 
1 STOP
IAD
Washington Dulles Intl
1 Feb - 4 Feb
$98pp
IAD
Washington Dulles Intl
Frontier
 
1 STOP
LAS
Las Vegas McCarran
LAS
Las Vegas McCarran
Frontier
 
1 STOP
IAD
Washington Dulles Intl
25 Jan - 28 Jan
$126pp
IAD
Washington Dulles Intl
Frontier
 
1 STOP
LAS
Las Vegas McCarran
LAS
Las Vegas McCarran
Frontier
 
1 STOP
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
1 Feb - 4 Feb
$88pp
IAD
Washington Dulles Intl
Frontier
 
1 STOP
LAS
Las Vegas McCarran
LAS
Las Vegas McCarran
Frontier
 
1 STOP
IAD
Washington Dulles Intl
1 Feb - 4 Feb
$98pp
IAD
Washington Dulles Intl
Frontier
 
1 STOP
LAS
Las Vegas McCarran
LAS
Las Vegas McCarran
Frontier
 
1 STOP
IAD
Washington Dulles Intl
25 Jan - 28 Jan
$126pp
IAD
Washington Dulles Intl
Frontier
 
1 STOP
LAS
Las Vegas McCarran
LAS
Las Vegas McCarran
Frontier
 
1 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
21 Feb - 24 Feb
$295pp
IAD
Washington Dulles Intl
United Airlines
Non-Stop
LAS
Las Vegas McCarran
LAS
Las Vegas McCarran
United Airlines
Non-Stop
IAD
Washington Dulles Intl
5 Feb - 12 Feb
$315pp
IAD
Washington Dulles Intl
United Airlines
Non-Stop
LAS
Las Vegas McCarran
LAS
Las Vegas McCarran
United Airlines
Non-Stop
IAD
Washington Dulles Intl
25 Feb - 1 Mar
$335pp
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
25 Jan - 28 Jan
$126pp
IAD
Washington Dulles Intl
Frontier
 
1 STOP
LAS
Las Vegas McCarran
LAS
Las Vegas McCarran
Frontier
 
1 STOP
IAD
Washington Dulles Intl
25 Jan - 30 Jan
$159pp
IAD
Washington Dulles Intl
Multiple Airlines
   
2 STOPS
LAS
Las Vegas McCarran
LAS
Las Vegas McCarran
Multiple Airlines
   
2 STOPS
IAD
Washington Dulles Intl
25 Jan - 28 Jan
$162pp
IAD
Washington Dulles Intl
Multiple Airlines
   
2 STOPS
LAS
Las Vegas McCarran
LAS
Las Vegas McCarran
Multiple Airlines
   
2 STOPS
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
3:00 am - 6:39 am
Alaska Airlines
1 Stop
30h 39m
IAD - LAS
Alaska Airlines
$114
mytrip.com
6:25 am - 6:47 pm
Frontier
2 Stops
15h 22m
IAD - LAS
Frontier
$120
Gotogate
11:20 am - 4:38 pm
Multiple Airlines
3 Stops
32h 18m
IAD - LAS
Multiple Airlines
$126
FlyFar

Related info for your journey

Useful info, stats and facts about Washington Dulles Intl to Las Vegas 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 and Delta 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.

Can I find flights from Washington Dulles Intl to Las Vegas for under $100 on Cheapflights?

Yes, there are multiple flights from Washington Dulles Intl to Las Vegas for under $100. The cheapest flight booked recently is on Frontier for just $88, but on average you can expect to pay $138.

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 $454.

Are there last-minute flights available from Washington Dulles Intl to Las Vegas for under $200?

There are currently 20+ open flights from Washington Dulles Intl to Las Vegas within the next 7 days for less than $200.

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 15 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 $88, Frontier can have you in Las Vegas from Washington Dulles Intl in 10h 54m.

What is the cheapest airline to fly from Washington Dulles Intl to Las Vegas round-trip?

According to our current data, Frontier ($88), 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 76% less than the average price by searching for this airline.

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

$44 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Alaska Airlines, with prices from $114.

Destination information for Las Vegas

Things to know before you go. Useful info for your trip from Washington Dulles Intl to Las Vegas
Average temperature for January in Las Vegas
59.0 °F
Avg rainfall for January in Las Vegas
0.6 ″

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

Afternoon Noon to 6 PM 100% of IAD to LAS departures
Early morning Midnight to 6 AM 0% of IAD to LAS departures
Morning 6 AM to noon 0% 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
Sunday
4 daily flights
Monday
4 daily flights
Tuesday
3 daily flights
Wednesday
2 daily flights
Thursday
3 daily flights
Friday
5 daily flights
Saturday
3 daily flights
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