Good to Know: IAD to LAS Flights
Useful information for finding cheap flights from Washington Dulles International to McCarran International and booking your next trip
Cheapest Round Trip Flight
$260
United Airlines
• 1 stop
• 17h 21m
Jul 11 – Jul 15
The cheapest round trip flight from Washington Dulles International to McCarran International is currently $260
Cheapest Direct Flight
$594
United Airlines
• nonstop
• 8h 29m
Jul 11
The cheapest nonstop flight from Washington Dulles International to McCarran International is currently $594
Fastest Flight
7h 39m
The fastest nonstop flight from Washington Dulles International to McCarran International takes 7h 39m
Best Flight Deals from Washington to Las Vegas
Explore the lowest round-trip fares from Washington to Las Vegas. We've compared hundreds of airlines and travel sites so you don't have to.
Jul 11 - Jul 15, Economy
Washington → Las Vegas
17h 21m
8:30 AM - 4:11 PM • 1 stop
Washington → Las Vegas
7h 15m
11:59 PM - 7:34 AM • nonstop
United Airlines
Jul 11 - Jul 15, Economy
Washington → Las Vegas
12h 38m
8:30 AM - 1:28 PM • 1 stop
Washington → Las Vegas
11h 45m
7:25 AM - 5:30 PM • 1 stop
United Airlines
Jul 11 - Jul 15, Economy
Washington → Las Vegas
17h 21m
8:30 AM - 4:11 PM • 1 stop
Washington → Las Vegas
10h 44m
6:00 AM - 3:44 PM • 1 stop
United Airlines
Jul 11 - Jul 15, Economy
Washington → Las Vegas
15h 33m
8:30 AM - 3:03 PM • 1 stop
Washington → Las Vegas
10h 41m
1:29 PM - 11:10 PM • 1 stop
United Airlines
Jul 11 - Jul 15, Economy
Washington → Las Vegas
15h 33m
8:30 AM - 3:03 PM • 1 stop
Washington → Las Vegas
7h 15m
11:59 PM - 7:34 AM • nonstop
United Airlines
Whether you're moving or just visiting, here are some of the best one-way flight options from IAD to LAS—searched and filtered with flexibility in mind.
Need to fly soon? We've surfaced some of the most affordable last-minute flights from Washington to Las Vegas, ideal for urgent plans or spontaneous trips.
Looking for the fastest way to Las Vegas? These direct flight options from IAD to LAS offer both convenience and value—no layovers, just straight to your destination.
Jul 11 - Jul 16, Economy
Washington → Las Vegas
8h 29m
6:00 PM - 8:04 PM • nonstop
Washington → Las Vegas
7h 20m
12:04 AM - 7:39 AM • nonstop
United Airlines
Jul 11 - Jul 16, Economy
Washington → Las Vegas
8h 29m
10:15 PM - 12:19 AM • nonstop
Washington → Las Vegas
7h 20m
12:04 AM - 7:39 AM • nonstop
United Airlines
Jul 11 - Jul 15, Economy
Washington → Las Vegas
7h 39m
7:30 AM - 9:29 AM • nonstop
Washington → Las Vegas
7h 14m
11:00 PM - 6:34 AM • nonstop
Frontier Airlines
Jul 11 - Jul 15, Economy
Washington → Las Vegas
8h 24m
5:55 PM - 7:59 PM • nonstop
Washington → Las Vegas
7h 17m
8:30 AM - 4:07 PM • nonstop
United Airlines
Jul 11 - Jul 15, Economy
Washington → Las Vegas
8h 24m
9:00 AM - 11:04 AM • nonstop
Washington → Las Vegas
7h 15m
11:59 PM - 7:34 AM • nonstop
United Airlines
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 7:30 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 ('UA') : USD 531
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 10:15 pm
Flights from Washington to Las Vegas
| Origin Airport | Washington Dulles International , Washington, US |
| Destination Airport | McCarran International , Las Vegas, US |
| Distance | miles |
Popular Airlines
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