Cheap Flight Tickets from Washington (IAD) to Las Vegas (LAS), Starting at $242

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

$242

F9 Frontier Airlines • 1 stop • 15h 14m

Oct 15 – Oct 18

The cheapest round trip flight from Washington to Las Vegas (IAD-LAS-IAD) is currently $242

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Cheapest Direct Flight

$261

F9 Frontier Airlines • nonstop • 8h 24m

Oct 15

The cheapest nonstop flight from Washington to Las Vegas (IAD-LAS) is currently $261

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Fastest Flight

7h 39m

The fastest nonstop flight from Washington to Las Vegas (IAD-LAS) takes 7h 39m

Top Airlines Flying from Washington to Las Vegas

Alaska Airlines -AS

Alaska Airlines

Delta Airline, DL

Delta Airlines

United Airlines, UA

United Airlines

American Airlines, AA

American Airlines

Southwest Airlines-WN

Southwest 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.

Oct 15 - Oct 18, Economy
F9
Washington → Las Vegas
15h 14m
12:30 PM - 6:44 PM • 1 stop
F9
Washington → Las Vegas
12h 34m
12:40 AM - 11:34 AM • 1 stop
$242
Frontier Airlines
Oct 15 - Oct 18, Economy
F9
Washington → Las Vegas
15h 14m
12:30 PM - 6:44 PM • 1 stop
F9
Washington → Las Vegas
7h 17m
10:43 PM - 6:20 AM • nonstop
$245
Frontier Airlines
Oct 15 - Oct 18, Economy
F9
Washington → Las Vegas
8h 24m
6:00 AM - 8:04 AM • nonstop
F9
Washington → Las Vegas
12h 34m
12:40 AM - 11:34 AM • 1 stop
$258
Frontier Airlines
Oct 15 - Oct 18, Economy
F9
Washington → Las Vegas
8h 24m
6:00 AM - 8:04 AM • nonstop
F9
Washington → Las Vegas
7h 17m
10:43 PM - 6:20 AM • nonstop
$261
Frontier Airlines
Oct 15 - Oct 18, Economy
AS
Washington → Las Vegas
15h 33m
9:38 AM - 4:11 PM • 1 stop
F9
Washington → Las Vegas
7h 17m
10:43 PM - 6:20 AM • nonstop
$694
Alaska Airlines
Oct 15 - Oct 18, Economy
AS
Washington → Las Vegas
30h 3m
7:24 PM - 10:27 AM • 1 stop
F9
Washington → Las Vegas
7h 17m
10:43 PM - 6:20 AM • nonstop
$914
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 6:00 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 AS : USD 694
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 7:24 pm

Essential Information for Booking Flights from Washington (IAD) - AI Insights

What's the cheapest airline from iad to las?
You can find cheap airline tickets from Washington Dulles International (iad) to McCarran International (las) on Frontier Airlines (F9). This one-way flight is available for 3 passengers. Please book in advance to get the best savings. You can check for the latest airfares and flights on fareleaders.com.
What's the popular airline to fly from iad to las?
United Airlines offers flights from Washington Dulles International Airport (iad) to McCarran International Airport (las) with one stop. For a one-way trip, booking in advance is recommended, ideally 59 days prior to your travel date. You can find affordable airfare options with United Airlines to suit your budget.
What's the cheapest day of the week to fly from iad to las?
The cheapest day to fly from Washington Dulles International (iad) to McCarran International (las) is typically Monday. Booking flights in advance, such as 59 days prior, can help secure the best rates. Low fares are often available on less popular days, making Monday a good option for budget-friendly flights. Affordable airfares can be found with airlines offering cheap flights, especially during off-peak seasons like November and October.
What's the cheapest month to fly from iad to las?
The cheapest month to fly from Washington Dulles International Airport (iad) to McCarran International Airport (las) is November, with airfares often available at budget-friendly rates. Low fares can be found during this period, making it a great time to book your one-way trip. October and December are also good options to consider for affordable airfare.
Which airline/airlines fly from iad to las?
The airlines that fly from Washington Dulles International Airport (iad) to McCarran International Airport (las) include JetBlue Airways, Southern Airways, Sun Country Airlines, Aer Lingus, WestJet Airlines, Southwest Airlines, United Airlines, Delta Airlines, Alaska Airlines, and Porter Airline.
What is the cheapest airfare from Washington Dulles International to McCarran International for a one-way trip with 3 passengers?
The cheapest airfare from Washington Dulles International to McCarran International for a one-way trip with 3 passengers on Frontier Airlines (F9) is $X.
How many advance booking days do I have for a one-way trip from Washington Dulles International to McCarran International?
You have 59 advance booking days for a one-way trip from Washington Dulles International to McCarran International.
What is the airline for flight IAD-LAS?
The airline for flight IAD-LAS is Frontier Airlines (F9).
Can I book flights for July on your website?
Yes, you can book flights for July on our website.
What is the best way to find the cheapest flights to Milwaukee?
To find the cheapest flights to Milwaukee, use our website and filter by destination, airline, and travel dates.
How can I get the latest information on flights and airfares?
You can get the latest information on flights and airfares by visiting our website regularly or subscribing to our newsletter.

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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