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IAD - LAS

Find cheap flights from Washington, D.C. to Las Vegas from $220

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Dulles Intl to Las Vegas departing on 28/5. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
Wed 29/5
Wed 5/6

Search hundreds of travel sites at once for deals on flights to Las Vegas

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Washington, D.C. to Las Vegas, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Washington, D.C. to Las Vegas, as well as popular online travel agencies
In the last 7 days, travellers have searched 43,983,279 times on KAYAK, and here's why:

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Cheap flight deals from Dulles Intl to Las Vegas (IAD-LAS)

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Dulles Intl to Las Vegas that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices and deals for you by selecting your travel dates.
Choose your dates
12:30 - 22:51IAD-LAS
13h 21m1 stop
23:59 - 11:08LAS-IAD
8h 09m1 stop
$375Sun Country Air
Find Deal
Sun, 26 May - Mon, 3 Jun
18:20 - 16:41IAD-LAS
25h 21m1 stop
23:59 - 11:08LAS-IAD
8h 09m1 stop
$406Sun Country Air
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Fri, 31 May - Mon, 3 Jun
08:30 - 09:16IAD-LAS
27h 46m1 stop
18:05 - 20:47LAS-IAD
23h 42m1 stop
$413Sun Country Air
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Thu, 30 May - Fri, 31 May
17:25 - 11:26IAD-LAS
21h 01m1 stop
23:59 - 11:43LAS-IAD
8h 44m1 stop
$421Sun Country Air
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Mon, 3 Jun - Thu, 6 Jun
18:11 - 22:25IAD-LAS
7h 14m1 stop
23:37 - 08:46LAS-IAD
6h 09m1 stop
$441Delta
Find Deal
Tue, 28 May - Thu, 30 May
06:00 - 09:48IAD-LAS
6h 48m1 stop
23:10 - 09:07LAS-IAD
6h 57m1 stop
$456Delta
Find Deal
Mon, 27 May - Tue, 28 May
07:00 - 17:14IAD-LAS
13h 14m2 stops
19:59 - 07:40LAS-IAD
8h 41m1 stop
$543Alaska Airlines
Find Deal
Sun, 26 May - Wed, 29 May
07:00 - 17:14IAD-LAS
13h 14m1 stop
07:15 - 23:59LAS-IAD
13h 44m2 stops
$554Alaska Airlines
Find Deal
Tue, 21 May - Thu, 30 May
13:00 - 14:58IAD-LAS
4h 58mdirect
23:43 - 07:21LAS-IAD
4h 38mdirect
$565United Airlines
Find Deal
Tue, 10 Sep - Tue, 17 Sep
12:35 - 20:41IAD-LAS
11h 06m1 stop
23:43 - 07:21LAS-IAD
4h 38mdirect
$572United Airlines
Find Deal
Tue, 10 Sep - Wed, 18 Sep

Flights from Dulles Intl to Las Vegas - Travel Insights & Trends

Get data-powered insights and trends into flights from Dulles Intl to Las Vegas to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Las Vegas?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from Washington, D.C. Dulles Intl Airport to Las Vegas, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.
The cheapest month for flights from Washington, D.C. Dulles Intl Airport to Las Vegas is January, where tickets cost $343 on average. On the other hand, the most expensive months are June and March, where the average cost of tickets is $660 and $647 respectively.

How far in advance should I book a flight from Washington, D.C. Dulles Intl Airport to Las Vegas?

To calculate daily average prices, KAYAK takes all prices for each day before departure over the last year for flights from Washington, D.C. Dulles Intl Airport to Las Vegas, removes the top 0.1% to account for outliers, and then takes the average of all the values for each month.
To get a below average price on the flight from Washington, D.C. Dulles Intl Airport to Las Vegas, you should book around 5 days before departure. For the absolute cheapest price, our data suggests you should book 63 days before departure.

Which airlines provide the cheapest flights from Washington, D.C. to Las Vegas?

The cheapest price for the route for each airline clicked by KAYAK users in the last 72 hours.
The best deals for a one-way ticket found by KAYAK users over the last 3 days were on Delta ($220) and Sun Country Air ($226). The cheapest round-trip tickets were found on Sun Country Air ($375) and Delta ($441).

How many flights are there between Washington, D.C. Dulles Intl Airport and Las Vegas per day?

Each day, there are 3 direct flights that take off from Washington, D.C. Dulles Intl Airport and land in Las Vegas, with an average flight time of 5h 12m. The most common departure time is 17:00 and most flights take off in the morning. Each week, there are 21 flights and there are the same amount of flights each day 3.

Which cabin class options are there for flights between Washington, D.C. Dulles Intl Airport and Las Vegas?

The average price of flights for each cabin class for the route found by users searching on KAYAK over the last 2 weeks.
There is only one cabin class option available for the route, which is Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

How long does a flight from Washington, D.C. to Las Vegas take?

A direct flight to Las Vegas will take on average 4h 55m to travel the 5,334 km flying distance from Washington, D.C..

What’s the earliest departure time from Washington, D.C. to Las Vegas?

Early birds can take the earliest flight from Washington, D.C. Dulles Intl Airport at 08:15 and will be landing in Las Vegas at 10:14.

What’s the latest departure time from Washington, D.C. to Las Vegas?

If you prefer to fly at night, the latest flight from Washington, D.C. Dulles Intl Airport to Las Vegas jets off at 19:32 and lands at 21:51.

Good to know

Low season

February

High season

December

Cheapest flight

$220
Best time to beat the crowds (15% less expensive on average)
Most popular time to fly (1% more expensive on average)
Flight from Washington, D.C. to Las Vegas

When to book flights from Dulles Intl to Las Vegas

Are your dates flexible? Find out the best times to travel from Dulles Intl to Las Vegas based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Washington, D.C. to Las Vegas flights

  • Where can I work out when at LAS?

    If you are feeling stressed, take advantage of the ZEROlevel Fitness Gym inside the airport to raise your mood. The gym features all the necessary equipment for your workout, including a sauna and shower. The gym is located at the Esplanade before security in terminal 1 and can be accessed by purchasing a day pass. Another option you can consider for maintaining fitness is taking advantage of the walking path around the airport. Take a jog on the 0.5 - 1.5 miles of FlyFit track which is located at gate E in terminal 3 and gates D, B/A, and Esplanade in terminal 1.

  • Are there any banking services at LAS?

    For passengers who need access to banking services, there is a Wells Fargo located in the shopping Esplanade at terminal 1. There are also a number of ATMs that you can use to withdraw cash with varied transaction rates. ATMs are located outside security at the Esplanade and baggage claim in terminal 1, gates D, C, B, and A. Additional ATMs can be found after security in terminal 1 at gate E or terminal 3 and at the rental car center. Currency exchange is available at the bank.

  • Does LAS have any airport lounges?

    There are two lounges in LAS terminal 1: The Centurion Lounge is close to gate D1 on concourse D and can be used by passengers who are in terminals 3 or 1. The Club LAS is also located in the same terminal on concourse D at Gate D16. In terminal 3 there are two lounges: The Club at LAS, which offers rest zones and showers, is located at gate E2 and the United Club which is located close to Gate 33-35 on concourse D. If you are a member of the United States Military, head to the USO lounges located all over the airport.

  • Where can I find spa, salon, and shower services in IAD?

    If you are looking for a place to freshen up while at the airport, head to Be Relax for salon and spa services. It is located on concourse B at gate A32. You can also take a shower at the British Airways and Air France-KLM lounges. At gate A20 on concourse A, there are places where you can get a massage to help you relax before your flight.

  • What is the cheapest flight from Washington, D.C. Dulles Intl Airport to Las Vegas?

    In the last 3 days, the lowest price for a flight from Washington, D.C. Dulles Intl Airport to Las Vegas was $144 for a one-way ticket and $245 for a return.

  • Which airlines offer Wi-Fi service onboard planes from Washington, D.C. to Las Vegas?

    American Airlines, Alaska Airlines, and Delta offer inflight Wi-Fi service on the Washington, D.C. to Las Vegas flight route.

  • Which aircraft models fly most regularly from Washington, D.C. to Las Vegas?

    The Boeing 737-900 is the aircraft model that flies most regularly on the Washington, D.C. to Las Vegas flight route.

  • Which airline alliances offer flights from Washington, D.C. to Las Vegas?

    Star Alliance is the only airline alliance operating flights between Washington, D.C. and Las Vegas.

  • On which days can I fly direct from Washington, D.C. to Las Vegas?

    There are direct flights from Washington, D.C. to Las Vegas on a daily basis.

  • How does KAYAK find such low prices on flights from Washington, D.C. to Las Vegas?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington, D.C. to Las Vegas.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington, D.C. to Las Vegas?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Las Vegas from Washington, D.C. is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Washington, D.C. to Las Vegas?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Las Vegas with an airline and back to Washington, D.C. with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington, D.C. to Las Vegas?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Las Vegas from Washington, D.C. up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Top tips for finding a cheap flight from Washington, D.C. to Las Vegas

  • Dulles International Airport (IAD) has designated areas around the airport where you can enjoy your cigarette without disturbing the people around you. These locations are found close to gates D30, C2, B73, and B37.
  • If you head towards gates E, D, and C at Harry Reid International Airport (LAS) you will be able to find postal services where you can mail postcards to your friends and family.
  • If you are traveling with kids, the children's play area is located in terminal 1 on the D gates level 2 in LAS. Here, your kids can entertain themselves with a variety of activities before the flight.
  • If you are lost or need assistance, you will find the information desk for LAS at gate E in terminal 3 or at the baggage claim area in terminal 1.
  • Go to gate A32 on concourse A at IAD for a peaceful environment where you can meditate or pray. This interfaith chapel is a quiet oasis in the middle of the busy airport.
See more tips

Prefer to fly direct from Washington, D.C. Dulles Intl to Las Vegas Harry Reid Intl?

Find which airlines fly direct from Dulles Intl to Harry Reid Intl, which days they fly and book direct flights.

Direct departures

Washington, D.C. Dulles Intl to Las Vegas Harry Reid Intl

Monday

Austrian Airlines, Brussels Airlines, Ethiopian Air, +1 more

Austrian Airlines, Brussels Airlines, +2 more

Tuesday

Austrian Airlines, Brussels Airlines, Ethiopian Air, +1 more

Austrian Airlines, Brussels Airlines, +2 more

Wednesday

Austrian Airlines, Brussels Airlines, Ethiopian Air, +1 more

Austrian Airlines, Brussels Airlines, +2 more

Thursday

Austrian Airlines, Brussels Airlines, Ethiopian Air, +1 more

Austrian Airlines, Brussels Airlines, +2 more

Friday

Austrian Airlines, Brussels Airlines, Ethiopian Air, +1 more

Austrian Airlines, Brussels Airlines, +2 more

Saturday

Austrian Airlines, Brussels Airlines, Ethiopian Air, +1 more

Austrian Airlines, Brussels Airlines, +2 more

Sunday

Austrian Airlines, Brussels Airlines, Ethiopian Air, +1 more

Austrian Airlines, Brussels Airlines, +2 more

See more direct flights

Direct returns

Las Vegas Harry Reid Intl to Washington, D.C. Dulles Intl

Monday

Austrian Airlines, Brussels Airlines, United Airlines

Austrian Airlines, Brussels Airlines, +1 more

Tuesday

Austrian Airlines, Brussels Airlines, United Airlines

Austrian Airlines, Brussels Airlines, +1 more

Wednesday

Austrian Airlines, Brussels Airlines, United Airlines

Austrian Airlines, Brussels Airlines, +1 more

Thursday

Austrian Airlines, Brussels Airlines, United Airlines

Austrian Airlines, Brussels Airlines, +1 more

Friday

Austrian Airlines, Brussels Airlines, United Airlines

Austrian Airlines, Brussels Airlines, +1 more

Saturday

Austrian Airlines, Brussels Airlines, United Airlines

Austrian Airlines, Brussels Airlines, +1 more

Sunday

Austrian Airlines, Brussels Airlines, United Airlines

Austrian Airlines, Brussels Airlines, +1 more

See more direct flights
See more direct flights

Book cheap flights from Washington, D.C. to Las Vegas

Recent one-way flight deals

 
Only flying one-way? Below are some of the best one-way flight deals from Washington, D.C. to Las Vegas found on KAYAK in the last 72 hours.
28/5Tue
1 stopDelta
7h 47mIAD-LAS
$220
12/7Fri
1 stopSun Country Air
19h 27mIAD-LAS
$226
2/10Wed
1 stopAlaska Airlines
9h 43mIAD-LAS
$228
26/9Thu
1 stopSun Country Air
9h 03mIAD-LAS
$234
20/5Mon
1 stopDelta
7h 36mIAD-LAS
$236
12/9Thu
1 stopSun Country Air
23h 39mIAD-LAS
$257
28/5Tue
directUnited Airlines
4h 59mIAD-LAS
$283
22/10Tue
directUnited Airlines
5h 06mIAD-LAS
$291
9/9Mon
2 stopsAlaska Airlines
21h 37mIAD-LAS
$328
30/9Mon
2 stopsQatar Airways
34h 15mIAD-LAS
$2,409

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Last minute flights from Dulles Intl to Las Vegas

Last minute flight, train and bus deals

 
These last-minute flight deals are the cheapest flights found on KAYAK in the last 72 hours for flights from Washington, D.C. to Las Vegas that are departing in the next 10 days.
4/5Sat
multi-stopAlaska Airlines
18h 00mIAD-LAS
9/5Thu
multi-stopAlaska Airlines
19h 08mLAS-IAD
$886
4/5Sat
multi-stopAlaska Airlines
17h 30mIAD-LAS
9/5Thu
multi-stopAlaska Airlines
19h 08mLAS-IAD
$894
3/5Fri
multi-stopAlaska Airlines
10h 19mIAD-LAS
6/5Mon
multi-stopAlaska Airlines
6h 59mLAS-IAD
$898
4/5Sat
multi-stopAlaska Airlines
17h 30mIAD-LAS
7/5Tue
multi-stopAlaska Airlines
13h 59mLAS-IAD
$901
4/5Sat
multi-stopDelta
6h 55mIAD-LAS
6/5Mon
multi-stopDelta
7h 20mLAS-IAD
$938
1/5Wed
multi-stopDelta
7h 38mIAD-LAS
6/5Mon
multi-stopDelta
7h 02mLAS-IAD
$953
3/5Fri
directUnited Airlines
5h 19mIAD-LAS
12/5Sun
directUnited Airlines
4h 35mLAS-IAD
$1,016
3/5Fri
multi-stopUnited Airlines
9h 47mIAD-LAS
12/5Sun
directUnited Airlines
4h 35mLAS-IAD
$1,024
1/5Wed
multi-stopQatar Airways
35h 09mIAD-LAS
7/5Tue
multi-stopQatar Airways
47h 55mLAS-IAD
$4,377
1/5Wed
multi-stopQatar Airways
35h 09mIAD-LAS
4/5Sat
multi-stopQatar Airways
47h 55mLAS-IAD
$4,380

Search by stops

Search by airline

Search by price

Washington, D.C. - Las Vegas Flights

Departure:

Washington, D.C. (IAD)United States

Destination:

Las Vegas (LAS)United States

Cabin classes:

$2,915
$810

Browse origins:

  • Flights » 
  • Washington, D.C. » 
  • Washington Dulles Airport

Browse destinations:

  • Flights » 
  • Las Vegas