$135 Cheap United flights from Washington to Las Vegas (IAD to LAS)

Find The Best Day To Fly from Washington to Las Vegas

Amazing United IAD to LAS Flight Deals

The cheapest flights to Harry Reid Intl. found within the past 7 days were round trip and $135 one way. Prices and availability subject to change. Additional terms may apply.

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Prices and availability subject to change. Additional terms may apply.

Frequently asked questions

Can I catch a flight from Dulles Intl. Airport to LAS right now?
For any present Harry Reid Airport (formerly McCarran Airport) quarantine requirements and travel advice, visit the Covid-19 Travel Advisor. Check before you book your flight, so you don’t get caught out.
What terminal is United Airlines at IAD?
While it’s difficult to say exactly which terminal your United Airlines flight from Dulles Intl. Airport to Harry Reid Airport (formerly McCarran Airport) will leave from, we can tell you that it’s highly likely you’ll be disembarking at terminal 3.
Are there United Airlines non-stop flights from IAD to LAS?
You’ll be pleased to hear you can fly direct from IAD to LAS with United Airlines and avoid annoying stopovers. The less time you spend stuck in a plane, the more time you’ll have for exploring.
How long is a United Airlines flight from IAD to LAS?
As it will take around 6 hours and 17 minutes for your United Airlines flight to jet from IAD to LAS, consider popping some entertaining travel games in your cabin bag. You never know — the person beside you might relish the opportunity to play to break up the journey.
What type of aircraft does United Airlines fly from IAD to LAS?
If you’re venturing from IAD to LAS with United Airlines, there’s a good chance you’ll be flying the skies aboard the Boeing 737 MAX 9 or the Boeing 737-900.
How many direct and indirect flights does United Airlines fly from IAD to LAS?
United Airlines currently offers approximately 4 flights per day from IAD to Harry Reid Airport (formerly McCarran Airport).
If I am not able to travel due to COVID-19, can I change my booking to a later date?
For more info about changing your flight to Harry Reid Airport (formerly McCarran Airport), please visit our Customer Service Portal.
What is the best day to buy a plane ticket?
This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.
What are the cheapest days to fly?
Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.
How far in advance can you book a flight?
Trying to figure out how early you should book your flight? It’s possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.
CarrierFlightDepart IADArrive LASFri
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Sun
3/31
Mon
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4/2
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UA132308:30 am10:51 amCheck FareCheck FareCheck FareCheck FareCheck FareCheck FareCheck Fare
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UA133500:40 pm03:11 pmCheck FareCheck FareCheck FareCheck FareCheck FareCheck FareCheck Fare
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UA78007:44 pm10:14 pmCheck FareCheck FareCheck FareCheck FareCheck FareCheck FareCheck Fare
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UA234406:05 pm00:52 am
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1 Stops

Discover our best United flight from Washington IAD to Las Vegas LAS 

To find the best deals on flights to Washington from Las Vegas with United, just enter your travel dates, filter by United, and hit search. You’ll find 4 flights to choose from and can sort by price, flight duration, and arrival or departure time.  

 

Return flights from Washington IAD to Las Vegas LAS with United 

If you’re planning a round trip, booking return flights with United is usually the most cost-effective option. With airfares ranging from to , it’s easy to find a flight that suits your budget. Prices and availability subject to change. Additional terms may apply. 

 

Book one-way United flights from Washington IAD to Las Vegas LAS 

A one-way ticket gives you much greater flexibility—allowing you to choose your return date, destination, and time whenever you’re ready. By booking in advance you can find great deals on one-way tickets too. Right now, a one-way United flight from Washington to Las Vegas costs from $135. Prices and availability subject to change. Additional terms may apply. 

 

The easy way to find cheap flights to Las Vegas LAS from  Washington IAD with United 

To find a cheap United flight from Washington IAD to Las Vegas LAS, sort your search results by price or filter by budget. Thanks to Travelocity’s Price Match Promise, if you find a better airfare deal anywhere else within 24 hours, we’ll credit or refund the difference. 

 

How to find our best airfare deals on United flights from Washington IAD to Las Vegas LAS 

If you’re looking for cheap flights, it helps to be flexible when it comes to your travel dates. You’ll usually find lower cost tickets when you travel during quieter months such as , or if you book a flight with a stopover. 

 

Find nonstop flights from Washington IAD to Las Vegas LAS with United 

If you’re keen to be on Las Vegas soil fast, don’t waste time with a stopover—filter your search results to show direct United flights only. The journey takes around 5 hour(s) 18 min(s) – so you’ll be there before you know it. 

 

Flexible airline tickets for United flights from Washington IAD to Las Vegas LAS 

Make sure you’re not out of pocket if plans change by choosing a flexible ticket with penalty-free amendment and cancellation options. Use our ‘no change fee’ filter to see which flights have this option.  

 

There are a lot of reasons to book your flights to Las Vegas LAS from  Washington IAD with United on Travelocity 

At Travelocity our vast and up-to-the-minute inventory puts all of our best flight deals in one place. So, whether you’re traveling on business or jetting off with friends and family, you can trust Travelocity to get you there.

United Airports
Hop on a(n) United flight today by flying to many destinations out of these domestic and international airports:
Airport code
Country
Airport name
Number of flights
ORDUSAO'Hare Intl.227
DENUSADenver Intl.226
IAHUSAGeorge Bush Intercontinental136
IADUSAWashington Dulles Intl.100
SFOUSASan Francisco Intl.64
LAXUSALos Angeles Intl.23
EWRUSALiberty Intl.20
FRADEUFrankfurt Intl.19
NRTJPNNarita Intl.19
PEKCHNCapital Intl.16

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