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Uncover the best deals on Washington to Las Vegas flights by comparing fares from hundreds of airlines and agencies.
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
$407
Delta Airlines
• 1 stop
•
Jun 29 – Jul 05
The cheapest round trip flight from Washington to Las Vegas (IAD-LAS-IAD) is currently $407
Cheapest Direct Flight
$333
Frontier Airlines
• nonstop
•
Jun 29
The cheapest nonstop flight from Washington to Las Vegas (IAD-LAS) is currently $333
Fastest Flight
11h 49m
The fastest nonstop flight from Washington to Las Vegas (IAD-LAS) takes 11h 49m
Top Airlines Flying from Washington to Las Vegas
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.
Jun 29 - Jul 05, Economy
Washington → Las Vegas
- • 1 stop
Washington → Las Vegas
- • 1 stop
Delta Airlines
Jun 29 - Jul 05, Economy
Washington → Las Vegas
- • 1 stop
Washington → Las Vegas
- • 1 stop
Delta Airlines
Jun 29 - Jul 05, Economy
Washington → Las Vegas
- • nonstop
Washington → Las Vegas
- • nonstop
United Airlines
Jun 29 - Jul 05, Economy
Washington → Las Vegas
- • 1 stop
Washington → Las Vegas
- • nonstop
United Airlines
Jun 29 - Jul 05, Economy
Washington → Las Vegas
11h 49m
6:05 AM - 10:14 AM • 1 stop
Washington → Las Vegas
7h 16m
8:48 AM - 4:24 PM • nonstop
Delta Airlines
Flying to Las Vegas soon? We've surfaced some of the most affordable last-minute flights from Washington to Las Vegas, ideal for urgent plans or spontaneous trips.
Jun 29 - Jul 05, Economy
Washington → Las Vegas
- • 1 stop
Washington → Las Vegas
- • 1 stop
Delta Airlines
Jun 29 - Jul 05, Economy
Washington → Las Vegas
- • 1 stop
Washington → Las Vegas
- • 1 stop
Delta Airlines
Jun 29 - Jul 05, Economy
Washington → Las Vegas
- • nonstop
Washington → Las Vegas
- • nonstop
United Airlines
Jun 29 - Jul 05, Economy
Washington → Las Vegas
- • 1 stop
Washington → Las Vegas
- • nonstop
United Airlines
Jun 29 - Jul 05, Economy
Washington → Las Vegas
11h 49m
6:05 AM - 10:14 AM • 1 stop
Washington → Las Vegas
7h 16m
8:48 AM - 4:24 PM • nonstop
Delta Airlines
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.
Jun 29 - Jul 05, Economy
Washington → Las Vegas
- • nonstop
Washington → Las Vegas
- • nonstop
Frontier Airlines
Jun 29 - Jul 05, Economy
Washington → Las Vegas
- • nonstop
Washington → Las Vegas
- • nonstop
United Airlines
Jun 29 - Jul 05, Economy
Washington → Las Vegas
- • nonstop
Washington → Las Vegas
- • nonstop
United Airlines
Jun 29 - Jul 05, Economy
Washington → Las Vegas
- • nonstop
Washington → Las Vegas
- • 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 6:05 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 451
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 8:1000 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 |
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