Cheap Flights from Las Vegas (LAS) to Washington (IAD)

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Cheap Flights from Las Vegas (LAS) to Washington (IAD)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
United
United
Delta
United
United
Delta
Delta
Delta
American Airlines
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Flight from Las Vegas to Washington route information
Origin airport
Harry Reid Intl.
Destination airport
Washington Dulles Intl.
Airlines serving
American Airlines, Delta, United
Return price
AU$502
Distance
3297 km
Average flight time
7 hours 22 mins

Your quick guide to flights from Las Vegas to Washington

Pick up great flights from Las Vegas to Washington

With Expedia, you have your pick of 5 flights a day with 20 airlines covering flights from Las Vegas to Washington. Whether you’re on a business trip, a family holiday or a luxury break, just enter your travel dates, hit search then check out your choice of flights. Select from return, one way or multi-city flights, and use the advance search tool if you want a direct or refundable flight. You can narrow your search to show you just your preferred cabin class and airline, too. It’s all easy. You can book direct flights from Las Vegas to Washington that take around 10 hours.

Find cheap flights from Las Vegas to Washington

From the great flight deals with prices currently ranging from AU$503 to AU$581, you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from Las Vegas to Washington around 4 to 6 weeks in advance. If your travel dates are flexible, try to avoid weekends and peak seasons – when you are more likely to grab the lowest prices. Even last minute, there are some impressive deals. The cheapest time to fly to Washington is normally in January.

Reasons to book your flight from Las Vegas to Washington with Expedia

Expedia makes it easy to find, book, and travel, with everything you need all in one place. When you enter your travel details, find fantastic deals just for you on flight tickets from Las Vegas to Washington across all the main airline carriers, so you can save time, dollars, and hassle finding the perfect flight. If you think your plans could change, choose refundable flights so any changes won’t cost you more. Book your flight to Washington right now and, if you join Expedia Rewards, you earn points this time and every time you travel with Expedia.

Frequently asked questions

How much is a flight from LAS to IAD?
Start packing your bags, because round-trip journeys from LAS to Washington Dulles Intl. Airport (IAD) start from AU$503. That’s based on fares advertised within the last 7 days on Expedia for flights departing within the next year. Prices can go up quickly, so book now to score the best deal. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Harry Reid Airport (formerly McCarran Airport) to Dulles Intl. Airport?
Most flights can be conveniently cancelled online, but whether or not you are charged a fee varies between airlines. If you do need to cancel your holiday, follow the easy instructions in the Customer Service Portal.
How do I find cheap flights from Harry Reid Airport (formerly McCarran Airport) to IAD that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you’re searching for LAS to Washington Dulles Intl. Airport (IAD) flights, you’ll see a “no change fees” filter for you to select.
How many hours is the flight from Harry Reid Airport (formerly McCarran Airport) to Dulles Intl. Airport?
The average flight time between LAS (LAS) and IAD (IAD) is 8 hours and 1 minute. If you’re travelling with kids, it’s always a good idea to pack some fruit or snacks in your carry-on bag.
How far is the flight from Harry Reid Airport (formerly McCarran Airport) to Dulles Intl. Airport?
Around 3 300 kilometres separates Las Vegas and Chantilly, so pack some entertainment to help you fill in a few hours. That action-packed novel you haven’t finished will do the trick.
Which airlines fly direct from Harry Reid Airport (formerly McCarran Airport) to IAD?
United Airlines (UA) will take you from Harry Reid Airport (formerly McCarran Airport) to Dulles Intl. Airport safely and comfortably. Choose from 60 direct flights each month on this route.
Are LAS to Dulles Intl. Airport flight tickets cheaper when they're purchased at the last minute?
Flight prices are always on the move, so there are no guarantees. While last-minute flight deals between Harry Reid Airport (formerly McCarran Airport) and Dulles Intl. Airport are of course possible, it’s also a good idea to keep a close eye on prices well before you fly. In fact, some airlines publish their prices up to 12 months prior to the departure date. Expedia is continuously updating the biggest bargains around, so keep checking back and be ready to grab your seat when fare prices drop.
Washington Flight Deals
*Available to Expedia members.