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

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The best prices from Las Vegas to Washington Dulles Intl are usually found in January or March, booked 52 days in advance, depart on a Thursday or Tuesday and return on a Sunday

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

LAS - IAD
Price
$224 - $414
IAD
Temperature
46.4 - 87.8 °F
IAD
Rainfall
2.5 - 4.4 inches
Popular in December High demand for flights, 31% potential price rise
Cheapest in January Best time to find cheap flights, 21% potential price drop
Round-trip from $224 From Las Vegas to Washington Dulles Intl
One-way from $153 One-way flight from Las Vegas to Washington Dulles Intl
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 Las Vegas to Washington Dulles Intl?

Leaving on a Wednesday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 119% on the overall cost on flights from Las Vegas to Washington Dulles Intl.

How far in advance should I book a flight from Las Vegas to Washington Dulles Intl?

Find a great deal and save up to 11% by booking at least 28 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 Las Vegas to Washington Dulles Intl within the next two weeks, with the cheapest ticket starting at $252.

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

Flights from Las Vegas to Washington Dulles Intl lean towards being more expensive in December. Prices are generally better when you fly from Las Vegas to Washington Dulles Intl in February, with the cheapest ticket starting at $119.

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

It’s typically best to fly out from Las Vegas to Washington Dulles Intl in the afternoon. Doing so could potentially save you 50% on the flight price compared to flying in the noon, which is usually more expensive.

Cheap flights from Las Vegas to Washington Dulles Intl in August, September 2020

The best prices found for LAS to IAD flights for August, September
1 Aug - 22 Aug
$205pp
LAS
Las Vegas McCarran
Multiple Airlines
 
1 STOP
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
Frontier
 
1 STOP
LAS
Las Vegas McCarran
4 Aug - 12 Aug
$220pp
LAS
Las Vegas McCarran
Multiple Airlines
 
1 STOP
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
United Airlines
 
1 STOP
LAS
Las Vegas McCarran
26 Aug - 30 Aug
$221pp
LAS
Las Vegas McCarran
Multiple Airlines
 
1 STOP
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
Delta
 
1 STOP
LAS
Las Vegas McCarran

Las Vegas to Washington Dulles Intl 2020 flight deals

Cheap flights to Washington Dulles Intl from Las Vegas found for this year
1 Aug - 22 Aug
$205pp
LAS
Las Vegas McCarran
Multiple Airlines
 
1 STOP
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
Frontier
 
1 STOP
LAS
Las Vegas McCarran
4 Aug - 12 Aug
$220pp
LAS
Las Vegas McCarran
Multiple Airlines
 
1 STOP
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
American Airlines
 
1 STOP
LAS
Las Vegas McCarran
26 Aug - 1 Sep
$221pp
LAS
Las Vegas McCarran
Multiple Airlines
 
1 STOP
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
Delta
 
1 STOP
LAS
Las Vegas McCarran

Last minute flights from Las Vegas to Washington Dulles Intl

Late deals on round-trip flights to Washington Dulles Intl from Las Vegas, departing today and this week
28 Jul - 29 Jul
$266pp
LAS
Las Vegas McCarran
Multiple Airlines
   
2 STOPS
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
United Airlines
 
1 STOP
LAS
Las Vegas McCarran
24 Jul - 31 Jul
$358pp
LAS
Las Vegas McCarran
Multiple Airlines
 
1 STOP
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
American Airlines
 
1 STOP
LAS
Las Vegas McCarran
26 Jul - 26 Aug
$403pp
LAS
Las Vegas McCarran
Delta
 
1 STOP
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
Delta
 
1 STOP
LAS
Las Vegas McCarran

One-way flights to Washington Dulles Intl from Las Vegas

The cheapest one-way flights from Las Vegas to Washington Dulles Intl
5:40 am - 3:33 pm
Sun Country Air
1 Stop
6h 53m
LAS - IAD
Sun Country Air
$153
Ovago
7:30 pm - 5:06 am
Delta
1 Stop
6h 36m
LAS - IAD
Delta
$309
Delta
3:20 pm - 6:00 pm
Multiple Airlines
3 Stops
23h 40m
LAS - IAD
Multiple Airlines
$413
Kiwi.com

Related info for your journey

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

Flight FAQs

From Las Vegas to Washington Dulles Intl

Are flight prices decreasing from Las Vegas to Washington Dulles Intl 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 Las Vegas and Washington Dulles Intl 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.

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

Yes, there are multiple flights from Las Vegas to Washington Dulles Intl for under $300. The cheapest flight booked recently is on Multiple Airlines for just $205, but on average you can expect to pay $252.

Are there nonstop flights from Las Vegas to Washington Dulles Intl for under $200 on Cheapflights?

There are no nonstop flights from Las Vegas to Washington Dulles Intl, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.

Are there last-minute flights available from Las Vegas to Washington Dulles Intl for under $300?

There are currently 20+ open flights from Las Vegas to Washington Dulles Intl within the next 7 days for less than $300.

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

When traveling, it's generally smart to pack in preparation for rain or any other conditions that may arise. The rainfall in Las Vegas is roughly less than Washington Dulles Intl. You can assume this to be the case over the next 6 days.

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

Temperatures around the 106 °F's can be experienced in July. The weather in Washington Dulles Intl is colder than in Las Vegas. Plan for potential changes in flight availability as peak weather approaches in this location.

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

There are many flights that can get you from Las Vegas to Washington Dulles Intl in 6h 09m. Fly via Delta, Allegiant Air, and Spirit Airlines for the fastest option. This flight may include one or multiple stops.

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

Currently priced at $243, Spirit Airlines will fly you from Las Vegas to Washington Dulles Intl and back. In addition to Spirit Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Allegiant Air and Sun Country Air - these airlines can fly you to your destination from $253 and $254, respectively. These flights start at 14% lower than the current average price 3 months from now.

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

One-way options have recently been found by users for as low as $123 on Delta. Another option is Sun Country Air, who have fights from $153.

Alternative routes for Las Vegas to Washington Dulles Intl

Destination information for Washington Dulles Intl

Things to know before you go. Useful info for your trip from Las Vegas to Washington Dulles Intl
Average temperature for August in Washington Dulles Intl
87.8 °F
Avg rainfall for August in Washington Dulles Intl
3.4 ″

Airports servicing Las Vegas

Airports servicing Washington