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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 September or October, booked 38 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
$266 - $414
IAD
Temperature
46.4 - 87.8 °F
IAD
Rainfall
2.5 - 4.4 inches

Popular in

December

High demand for flights, 18% potential price rise

Cheapest in

September

Best time to find cheap flights, 22% potential price drop

Round-trip from

$266

From Las Vegas to Washington Dulles Intl

One-way from

$40

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 111% by booking at least 31 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 $235.

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 September. Prices are generally better when you fly from Las Vegas to Washington Dulles Intl in April, with the cheapest ticket starting at $113.

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 at noon, which is usually more expensive.

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

The best prices found for LAS to IAD flights for December, January
21 Jan - 25 Jan
$49pp
LAS
Las Vegas McCarran
Frontier
 
1 STOP
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
Frontier
 
1 STOP
LAS
Las Vegas McCarran
21 Jan - 25 Jan
$56pp
LAS
Las Vegas McCarran
Frontier
 
1 STOP
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
Frontier
 
1 STOP
LAS
Las Vegas McCarran
10 Jan - 15 Jan
$68pp
LAS
Las Vegas McCarran
Frontier
 
1 STOP
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
Frontier
 
1 STOP
LAS
Las Vegas McCarran

Las Vegas to Washington Dulles Intl 2021 flight deals

Cheap flights to Washington Dulles Intl from Las Vegas found for this year
29 Dec - 4 Jan
$103pp
LAS
Las Vegas McCarran
Frontier
 
1 STOP
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
Frontier
 
1 STOP
LAS
Las Vegas McCarran
29 Dec - 4 Jan
$112pp
LAS
Las Vegas McCarran
Frontier
   
2 STOPS
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
Frontier
 
1 STOP
LAS
Las Vegas McCarran
17 Dec - 21 Dec
$137pp
LAS
Las Vegas McCarran
Multiple Airlines
   
2 STOPS
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
Frontier
 
1 STOP
LAS
Las Vegas McCarran

Non-stop flights to Washington Dulles Intl from Las Vegas

Save time with Las Vegas to Washington Dulles Intl direct flight deals
30 Dec - 4 Jan
$247pp
LAS
Las Vegas McCarran
United Airlines
Non-Stop
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
United Airlines
Non-Stop
LAS
Las Vegas McCarran
21 Jan - 22 Jan
$267pp
LAS
Las Vegas McCarran
United Airlines
Non-Stop
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
United Airlines
Non-Stop
LAS
Las Vegas McCarran
17 Dec - 20 Dec
$287pp
LAS
Las Vegas McCarran
United Airlines
Non-Stop
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
United Airlines
Non-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
10 Dec - 11 Dec
$140pp
LAS
Las Vegas McCarran
United Airlines
 
1 STOP
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
United Airlines
Non-Stop
LAS
Las Vegas McCarran
10 Dec - 11 Dec
$145pp
LAS
Las Vegas McCarran
United Airlines
 
1 STOP
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
United Airlines
Non-Stop
LAS
Las Vegas McCarran
10 Dec - 11 Dec
$180pp
LAS
Las Vegas McCarran
United Airlines
Non-Stop
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
United Airlines
   
2 STOPS
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
6:29 pm - 8:13 am
Frontier
1 Stop
10h 44m
LAS - IAD
Frontier
$40
KAYAK
6:29 pm - 8:13 am
Frontier
1 Stop
10h 44m
LAS - IAD
Frontier
$75
FlightNetwork
6:49 pm - 12:35 pm
Frontier
1 Stop
14h 46m
LAS - IAD
Frontier
$98
Gotogate

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.

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

Delta is one of the many airlines that have implemented additional safety measures to control the spread of COVID-19. Some of the new policies that have been implemented to accommodate travelers flying from Las Vegas McCarran to Washington Dulles Intl are improved sanitation, HEPA filters, mask requirements, social distance seating (for a limited time), and pre-flight testing for antibodies and symptoms. Policies will vary by airline.

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

Some of our airline partners flying from Las Vegas McCarran to Washington Dulles Intl have new flexible policies in place due to COVID-19. United Airlines, Frontier, and Delta 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 Las Vegas to Washington Dulles Intl for under $100 on Cheapflights?

Yes, there are multiple flights from Las Vegas to Washington Dulles Intl for under $100. The cheapest flight booked recently is on Frontier for just $49, but on average you can expect to pay $125.

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

Cheapflights has at least 20 direct flights from Las Vegas to Washington Dulles Intl under $300. A good price for a nonstop flight from Las Vegas to Washington Dulles Intl is less than $465.

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

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

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 4 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 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 4h 13m. Fly via United Airlines or Frontier to get the fastest option. This flight may include one or multiple stops.

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

Currently priced at $49, Frontier will fly you from Las Vegas to Washington Dulles Intl and back. In addition to Frontier, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on United Airlines for as low as $140. These flights start at 85% 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 $40 on Frontier.

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 December in Washington Dulles Intl
48.2 °F
Avg rainfall for December in Washington Dulles Intl
3.2 ″

Airports servicing Las Vegas

Airports servicing Washington

Top 4 airlines from Las Vegas to Washington Dulles Intl

The chart below displays the airlines Cheapflights users traveling from Las Vegas to Washington Dulles Intl 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
$78 $205 No cancel fee 62%
Delta
$127 $286 No cancel fee N/A
American Airlines
$146 $396 No cancel fee 71%
United Airlines
$168 $399 No cancel fee 69%

Hourly flight availability from Las Vegas to Washington Dulles Intl

Morning 6 AM to noon 81% of LAS to IAD departures
Afternoon Noon to 6 PM 9% of LAS to IAD departures
Evening 6 PM to midnight 9% of LAS to IAD departures
Early morning Midnight to 6 AM 1% of LAS to IAD departures
Midnight
6 AM
Noon
6 PM
Weekly flight availability
from Las Vegas to Washington Dulles Intl
Sunday
4 daily flights
Monday
1 daily flight
Tuesday
3 daily flights
Wednesday
4 daily flights
Thursday
5 daily flights
Friday
5 daily flights
Saturday
3 daily flights