Cheap Flight Tickets from Washington (IAD) to Las Vegas (LAS), Starting at $260

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

$260

DL Delta Airlines • 1 stop • 12h 38m

Jan 13 – Jan 16

The cheapest round trip flight from Washington to Las Vegas (IAD-LAS-IAD) is currently $260

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Cheapest Direct Flight

$418

UA United Airlines • nonstop • 8h 47m

Jan 13

The cheapest nonstop flight from Washington to Las Vegas (IAD-LAS) is currently $418

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Fastest Flight

8h 47m

The fastest nonstop flight from Washington to Las Vegas (IAD-LAS) takes 8h 47m

Top Airlines Flying from Washington to Las Vegas

Southwest Airlines-WN

Southwest Airlines

Delta Airline, DL

Delta Airlines

United Airlines, UA

United Airlines

American Airlines, AA

American Airlines

Alaska Airlines -AS

Alaska 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.

Jan 13 - Jan 16, Economy
DL
Washington → Las Vegas
12h 38m
5:27 PM - 10:25 PM • 1 stop
DL
Washington → Las Vegas
12h 22m
6:00 AM - 4:42 PM • 1 stop
$260
Delta Airlines
Jan 14 - Jan 17, Economy
DL
Washington → Las Vegas
15h 33m
9:00 AM - 3:33 PM • 1 stop
DL
Washington → Las Vegas
14h 12m
11:05 AM - 10:57 PM • 1 stop
$300
Delta Airlines
Jan 14 - Jan 17, Economy
AA
Washington → Las Vegas
15h 13m
- • 1 stop
AA
Washington → Las Vegas
10h 49m
- • 1 stop
$490
American Airlines
Jan 14 - Jan 17, Economy
UA
Washington → Las Vegas
13h 34m
12:50 PM - 6:04 PM • nonstop
UA
Washington → Las Vegas
7h 9m
7:39 AM - 3:08 PM • nonstop
$520
United Airlines
Jan 13 - Jan 16, Economy
DL
Washington → Las Vegas
30h 44m
7:00 AM - 10:44 PM • 1 stop
DL
Washington → Las Vegas
10h 13m
1:44 PM - 10:57 PM • 1 stop
$529
Delta Airlines
Jan 13 - Jan 16, Economy
AS
Washington → Las Vegas
35h 58m
6:53 PM - 2:51 PM • 1 stop
AS
Washington → Las Vegas
12h 28m
8:02 AM - 5:50 PM • 1 stop
$601
Alaska 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 7:00 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 520
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 11:5200 am

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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