Cheap Flight Tickets from Las Vegas (LAS) to Washington (IAD), Starting at $680

Good to Know: Cheapest and Fastest LAS - IAD Flights

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

Cheapest Round Trip Flight

$680

AS Alaska Airlines • 1 stop • 20h 28m

Nov 20 – Nov 30

The cheapest round trip flight from Las Vegas to Washington (LAS-IAD-LAS) is currently $680

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Cheapest Direct Flight

$855

UA United Airlines • nonstop • 7h 18m

Oct 23

The cheapest nonstop flight from Las Vegas to Washington (LAS-IAD) is currently $855

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Fastest Flight

7h 13m

The fastest nonstop flight from Las Vegas to Washington (LAS-IAD) takes 7h 13m

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

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

Nov 20 - Nov 30, Economy
AS
Las Vegas → Washington
20h 28m
2:12 PM - 5:40 AM • 1 stop
AS
Las Vegas → Washington
17h 24m
10:59 AM - 6:43 PM • 1 stop
$680
Alaska Airlines
Nov 20 - Nov 30, Economy
AS
Las Vegas → Washington
26h 59m
8:54 PM - 4:13 PM • 1 stop
AS
Las Vegas → Washington
17h 24m
10:59 AM - 6:43 PM • 1 stop
$680
Alaska Airlines
Nov 20 - Nov 30, Economy
AS
Las Vegas → Washington
30h 5m
7:08 PM - 4:13 PM • 1 stop
AS
Las Vegas → Washington
17h 24m
10:59 AM - 6:43 PM • 1 stop
$680
Alaska Airlines
Nov 20 - Nov 30, Economy
DL
Las Vegas → Washington
12h 6m
6:00 AM - 4:26 PM • 1 stop
DL
Las Vegas → Washington
12h 38m
5:34 PM - 10:32 PM • 1 stop
$709
Delta Airlines
Nov 20 - Nov 30, Economy
DL
Las Vegas → Washington
10h 59m
6:00 AM - 3:59 PM • 1 stop
DL
Las Vegas → Washington
12h 38m
5:34 PM - 10:32 PM • 1 stop
$709
Delta Airlines
Nov 20 - Nov 30, Economy
AS
Las Vegas → Washington
31h 52m
7:24 PM - 5:36 PM • 1 stop
AS
Las Vegas → Washington
17h 24m
10:59 AM - 6:43 PM • 1 stop
$745
Alaska Airlines

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

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

FAQs on Las Vegas to Washington Flights

What are the airports in Las Vegas?
LAS
What’s the most popular airline flying from LAS to IAD?
The most popular airline flying from Las Vegas to Washington are
Can I fly from LAS to IAD non-stop?
Yes, you can fly LAS to IAD non-stop on
Which airlines fly nonstop between Las Vegas and Washington?
The non-stop flights between Las Vegas and Washington are .
What’s the earliest departure time from LAS to IAD Airport?
The earliest flight leaves LAS at 6:00 am and lands in IAD - Washington Dulles International
What are the airports in Washington?
IAD,BWI,DCA
Can I make changes to my Las Vegas to Washington 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 LAS to IAD?
Read the fare rules of the Las Vegas to Washington 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 Las Vegas and Washington?
operate flights between Las Vegas and Washington
How long does a flight from Las Vegas to Washington take?
It takes approximately 5 hour to fly non-stop from LAS to IAD, which is 2065.54 miles by air.
Which airlines provide the cheapest flights from Las Vegas (LAS) to Washington (IAD) ?
In the past couple of days, the cheapest tickets to IAD from LAS were found on AS : USD 680
Do I need a passport to fly between LAS and IAD?
No
What’s the latest departure time from LAS to IAD ?
The last flight leaves LAS at 11:55 pm

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

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

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