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

Popular airlines from Harry Reid Intl. Airport (LAS) to Washington Dulles Intl. Airport (IAD)

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Frequently asked questions

How long does it take to fly from LAS to Washington Dulles Intl. Airport (IAD)?
United Airlines has a direct flight leaving LAS at 11:30PM and touching down at Dulles Intl. Airport at 7:05AM — a total flight duration of 4 hours and 35 minutes. Choose a seat, pack something to keep you busy and the time will zip by.
Is it cheaper to buy a plane ticket from McCarran Airport to Dulles Intl. Airport last minute?
Being spontaneous is a wonderful way to explore the world, but it isn't necessarily the cleverest way to grab a cheap airfare. It's better to book your McCarran Airport to IAD trip well in advance rather than waiting till the last minute. Based on flight pricing and demand studies in 2022, we have found that the best time to book domestic flights is between 28 – 35 days ahead of the departure date, and international flights three to four months in advance. Save all that spontaneity for when you reach IAD!
What airline has the least delays from LAS to Dulles Intl. Airport?
If you'd rather not be stuck in the departure lounge — or worse, your travel plans left in tatters because of a flight delay — fly with United Airlines. Around 73% of its McCarran Intl. Airport (LAS) to Dulles Intl. Airport services arrive on schedule. You can check your flight status before you even get to the airport through the free Expedia App. It'll also give you real-time notifications about other helpful info, such as gate changes, luggage carousel numbers and directions to your hotel. All the details you need are in your pocket with this all-in-one travel companion.
What airports do you fly into for Washington from Las Vegas?
Washington Dulles Intl. Airport (IAD), Ronald Reagan Washington National Airport (DCA) and Baltimore Washington Intl. Thurgood Marshall Airport (BWI) are your choices when connecting from Las Vegas to Washington. Around 40 kilometers west of central Washington, Washington Dulles Intl. Airport (IAD) is the city's major hub. Take into account things such as flight arrival and departure times and the distance to your hotel before settling on an airport. White House and United States Capitol are two leading attractions to check out when you arrive.
What are the most popular departure times for flights from LAS to Dulles Intl. Airport?
Between 1:00 PM - 2:00 PM is when you'll find the largest number of United Airlines flights taking off from LAS to Dulles Intl. Airport. Our handy tip? Book a journey that departs earlier in the day. With air traffic yet to build up around airports, your chances of hopping on a delay-free flight are better.
Can I change the date of my flight from McCarran Intl. Airport (LAS) to IAD?
You can make changes to your LAS to Dulles Intl. Airport flight via the Expedia Trips portal. Before you make any amendments, browse the fare conditions in your itinerary to find out what the carrier will let you do and if fees apply for changes. Some carriers charge a change fee per person, plus any difference in fare prices. However, if you booked in the last 24 hours, you may be able to cancel for free and organize new flights. You can also find your way to our Customer Service portal for more useful advice and to chat with our Virtual Agent.

Travel information

Travel information

Origin airport
Harry Reid Intl.
Destination airport
Washington Dulles Intl.
Distance
3297 km
Average flight time
8 hours 37 mins

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