IAD - LAS

$158 Find Cheap Flights from Washington, D.C. to Las Vegas

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 13/5. 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

KAYAK searches 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
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Flights Deals

Cheap Flight Deals from Washington, D.C. to Las Vegas (IAD-LAS)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Washington, D.C. 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.

Recent return flight deals from Dulles Intl to Las Vegas

KAYAK's recommended return flight deals from the most popular airlines that fly from Dulles Intl to Las Vegas.
Discover the best prices for you by selecting your travel dates on KAYAK.
Frontier Logo
07:40 - 09:40IAD-LAS
5h 00mdirect
Frontier Logo
23:05 - 06:33LAS-IAD
4h 28mdirect
$220Frontier
Find Deal
Sun, 8 Jun - Wed, 11 Jun
 Logo
07:40 - 09:40IAD-LAS
5h 00mdirect
 Logo
11:26 - 23:59LAS-IAD
9h 33m1 stop
Sun, 8 Jun - Wed, 11 Jun
Frontier Logo
07:31 - 09:46IAD-LAS
5h 15mdirect
Frontier Logo
23:00 - 06:31LAS-IAD
4h 31mdirect
$339Frontier
Find Deal
Thu, 15 May - Sat, 17 May
Alaska Airlines Logo
06:30 - 12:57IAD-LAS
9h 27m1 stop
Alaska Airlines Logo
11:26 - 23:59LAS-IAD
9h 33m1 stop
$344Alaska Airlines
Find Deal
Tue, 3 Jun - Wed, 4 Jun
 Logo
07:31 - 09:46IAD-LAS
5h 15mdirect
 Logo
07:10 - 18:25LAS-IAD
8h 15m1 stop
Thu, 15 May - Sat, 17 May
United Airlines Logo
17:55 - 19:59IAD-LAS
5h 04mdirect
United Airlines Logo
23:59 - 07:34LAS-IAD
4h 35mdirect
$353United Airlines
Find Deal
Tue, 1 Jul - Tue, 8 Jul
Alaska Airlines Logo
19:25 - 11:50IAD-LAS
19h 25m1 stop
Alaska Airlines Logo
07:10 - 18:25LAS-IAD
8h 15m1 stop
$359Alaska Airlines
Find Deal
Sat, 31 May - Tue, 3 Jun
United Airlines Logo
08:40 - 10:30IAD-LAS
4h 50mdirect
United Airlines Logo
00:59 - 11:32LAS-IAD
7h 33m1 stop
$362United Airlines
Find Deal
Sat, 24 May - Tue, 27 May
Hawaiian Airlines Logo
06:30 - 12:57IAD-LAS
9h 27m1 stop
Hawaiian Airlines Logo
11:26 - 23:59LAS-IAD
9h 33m1 stop
$379Hawaiian Airlines
Find Deal
Sun, 8 Jun - Wed, 11 Jun
Hawaiian Airlines Logo
17:14 - 22:30IAD-LAS
8h 16m1 stop
Hawaiian Airlines Logo
17:51 - 07:36LAS-IAD
10h 45m1 stop
$475Hawaiian Airlines
Find Deal
Sun, 18 May - Wed, 21 May
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KAYAK's insights & trends for Dulles Intl to Las Vegas flights

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 round-trip 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 May, where tickets cost $601 (return) on average. On the other hand, the most expensive months are December and March, where the average cost of round-trip tickets is $888 and $796 respectively.

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

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip 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 week.
To get a below average price on the flight from Washington, D.C. Dulles Intl Airport to Las Vegas, you should book around 4 weeks before departure. For the absolute cheapest price, our data suggests you should book 18 weeks before departure.

Good to know

Low season

February

High season

May

Cheapest flight

$158
Best time to beat the crowds (12% less expensive on average)
Most popular time to fly and prices are also 18% lower 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 $101 for a one-way ticket and $141 for a return.

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

    American Airlines, Alaska Airlines, Hawaiian 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.

KAYAK’s top tips for finding a cheap flight from Washington, D.C. Dulles Intl Airport 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.

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

Find which airlines fly direct from Washington, D.C. Dulles Intl Airport to Las Vegas Harry Reid Intl Airport, 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, +2 more

Austrian Airlines, Brussels Airlines, +3 more

Tuesday

Austrian Airlines, Brussels Airlines, Ethiopian Air, +2 more

Austrian Airlines, Brussels Airlines, +3 more

Wednesday

Austrian Airlines, Brussels Airlines, Ethiopian Air, +2 more

Austrian Airlines, Brussels Airlines, +3 more

Thursday

Austrian Airlines, Brussels Airlines, Ethiopian Air, +2 more

Austrian Airlines, Brussels Airlines, +3 more

Friday

Austrian Airlines, Brussels Airlines, Ethiopian Air, +2 more

Austrian Airlines, Brussels Airlines, +3 more

Saturday

Austrian Airlines, Brussels Airlines, Ethiopian Air, +2 more

Austrian Airlines, Brussels Airlines, +3 more

Sunday

Austrian Airlines, Brussels Airlines, Ethiopian Air, +2 more

Austrian Airlines, Brussels Airlines, +3 more

See more direct flights

Direct returns

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

Monday

Austrian Airlines, Brussels Airlines, Frontier, +1 more

Austrian Airlines, Brussels Airlines, +2 more

Tuesday

Austrian Airlines, Brussels Airlines, Frontier, +1 more

Austrian Airlines, Brussels Airlines, +2 more

Wednesday

Austrian Airlines, Brussels Airlines, Frontier, +1 more

Austrian Airlines, Brussels Airlines, +2 more

Thursday

Austrian Airlines, Brussels Airlines, Frontier, +1 more

Austrian Airlines, Brussels Airlines, +2 more

Friday

Austrian Airlines, Brussels Airlines, Frontier, +1 more

Austrian Airlines, Brussels Airlines, +2 more

Saturday

Austrian Airlines, Brussels Airlines, Frontier, +1 more

Austrian Airlines, Brussels Airlines, +2 more

Sunday

Austrian Airlines, Brussels Airlines, Frontier, +1 more

Austrian Airlines, Brussels Airlines, +2 more

See more direct flights
See more direct flights

Everything you need to know for your flight from Dulles Intl to Las Vegas

Information on your arrival and departure airports

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