Cheap Flight Tickets from Washington (IAD) to Las Vegas (LAS), Starting at $255

Good to Know: Cheapest and Fastest IAD - LAS Flights

Useful information for finding best airline tickets from Washington Dulles International to McCarran International on your next trip.

Cheapest Round Trip Flight

$507

DL Delta Airlines • 1 stop • 22h 29m

Aug 21 – Aug 23

The cheapest round trip flight from Washington to Las Vegas (IAD-LAS-IAD) is currently $507

🔍 Search Flights

Cheapest Direct Flight

$255

UA United Airlines • nonstop • 8h 24m

Aug 20

The cheapest nonstop flight from Washington to Las Vegas (IAD-LAS) is currently $255

🔍 Search Flights

Fastest Flight

7h 35m

The fastest nonstop flight from Washington to Las Vegas (IAD-LAS) takes 7h 35m

Top Airlines Flying from Washington to Las Vegas

Delta Airline, DL

Delta Airlines

American Airlines, AA

American Airlines

Alaska Airlines -AS

Alaska Airlines

United Airlines, UA

United Airlines

Latest Flight Deals from Washington (IAD) to Las Vegas (LAS)

Compare and book low fare round-trip air tickets from Washington to Las Vegas. Ideal for travelers with confirmed return itineraries.

Aug 21 - Aug 23, Economy
DL
Washington → Las Vegas
22h 29m
11:10 AM - 9:59 PM • 1 stop
DL
Washington → Las Vegas
15h 19m
11:30 PM - 11:49 AM • 1 stop
$507
Delta Airlines
Aug 21 - Aug 23, Economy
DL
Washington → Las Vegas
18h 52m
11:44 AM - 8:16 PM • 1 stop
DL
Washington → Las Vegas
15h 19m
11:30 PM - 11:49 AM • 1 stop
$517
Delta Airlines
Aug 20 - Aug 22, Economy
DL
Washington → Las Vegas
11h 50m
11:44 AM - 3:54 PM • 1 stop
DL
Washington → Las Vegas
10h 34m
10:31 AM - 8:05 PM • 1 stop
$664
Delta Airlines
Aug 20 - Aug 22, Economy
DL
Washington → Las Vegas
11h 44m
6:10 AM - 10:14 AM • 1 stop
DL
Washington → Las Vegas
10h 34m
10:31 AM - 8:05 PM • 1 stop
$664
Delta Airlines
Aug 20 - Aug 22, Economy
DL
Washington → Las Vegas
12h 23m
3:03 PM - 7:46 PM • 1 stop
DL
Washington → Las Vegas
10h 37m
7:05 AM - 4:42 PM • 1 stop
$664
Delta Airlines
Aug 21 - Aug 23, Economy
DL
Washington → Las Vegas
12h 14m
5:25 PM - 9:59 PM • 1 stop
DL
Washington → Las Vegas
10h 46m
2:48 PM - 12:34 AM • 1 stop
$664
Delta Airlines

Fly from Washington to Las Vegas with the Best Airfare Deals on FareLeaders

Looking for a cheap last-minute deal or the best round-trip flight from Washington to Las Vegas? Find the biggest savings on one-way and round-trip tickets right here.

FAQs on Washington to Las Vegas Flights

What are the airports in Washington?
IAD,BWI,DCA
What’s the most popular airline flying from IAD to LAS?
The most popular airline flying from Washington to Las Vegas are
Can I fly from IAD to LAS non-stop?
Yes, you can fly IAD to LAS non-stop on
Which airlines fly nonstop between Washington and Las Vegas?
The non-stop flights between Washington and Las Vegas are .
What’s the earliest departure time from IAD to LAS Airport?
The earliest flight leaves IAD at 6:10 am and lands in LAS - McCarran International
What are the airports in Las Vegas?
LAS
Can I make changes to my Washington to Las Vegas flight tickets or cancel them on FareLeaders.com?
No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.
Can I cancel my flight tickets from IAD to LAS?
Read the fare rules of the Washington to Las Vegas air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.
Which airline alliances offer flights from Washington and Las Vegas?
operate flights between Washington and Las Vegas
How long does a flight from Washington to Las Vegas take?
It takes approximately 5 hour to fly non-stop from IAD to LAS, which is 2065.54 miles by air.
Which airlines provide the cheapest flights from Washington (IAD) to Las Vegas (LAS) ?
In the past couple of days, the cheapest tickets to LAS from IAD were found on DL : USD 507
Do I need a passport to fly between IAD and LAS?
No
What’s the latest departure time from IAD to LAS ?
The last flight leaves IAD at 6:00 pm

Washington (IAD) to Las Vegas (LAS): Airport Information

Origin Airport Washington Dulles International , Washington, US
Destination Airport McCarran International , Las Vegas, US
Distance 2066 miles

More Flight Options for Washington (IAD) and Las Vegas (LAS)

Why Fareleaders for IAD to LAS Plane Tickets

Lowest Prices
Lowest Prices
Uncover the best deals on Washington to Las Vegas flights by comparing fares from hundreds of airlines and agencies.
New Deals
New Deals Everyday
Get the best prices on IAD to LAS flights—we update our fares daily so you never miss a saving.
Best Travel Options
No Service Fees
Compare hundreds of Washington to Las Vegas flights and secure the best deals—we never add any service fees.
Get Fare Drop Alert
Be the first to know when fares drop for the Washington (IAD) to Las Vegas (LAS)
Terms and Conditions*