$95 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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Cheap Flights from Las Vegas to Washington (LAS-IAD)

Prices were available within the past 7 days and start at $95 for one-way flights and $189 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Alaska Airlines
United
United
Delta
Southwest Airlines

Find the cheapest month to fly from Las Vegas (LAS) to Washington (IAD)

May is typically the cheapest month to fly

From $116 - $501 per traveler.

Alternative airports near Washington

Prices were available within the past 7 days. Prices and availability are subject to change.

Frequently asked questions

How much does a flight from Harry Reid Intl. Airport (LAS) to Washington Dulles Intl. Airport (IAD) cost?
Get a cheap one-way flight from $95 or cheap return flight from $189 from Harry Reid Intl. Airport (LAS) to Washington Dulles Intl. Airport (IAD) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Harry Reid Intl. Airport (LAS) to Washington Dulles Intl. Airport (IAD)?
Flying in December can help you save, as it's the cheapest month for flights between LAS and IAD. You'll often find the lowest fares during off-peak months.
Which airlines fly direct from Harry Reid Intl. Airport (LAS) to Washington Dulles Intl. Airport (IAD)?
When heading out of Harry Reid Intl. Airport (LAS), you can get on a nonstop flight to Washington Dulles Intl. Airport (IAD) with United Airlines.
What is the cheapest airline that flies from Harry Reid Intl. Airport (LAS) to Washington Dulles Intl. Airport (IAD)?
Expedia's filter tool lets you easily compare different airlines, travel time and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest LAS to IAD flight.
How many flights per day from Harry Reid Intl. Airport (LAS) to Washington Dulles Intl. Airport (IAD)?
When jetting out of Harry Reid Intl. Airport (LAS), you can take your pick from an average of 3 daily direct flights to Washington Dulles Intl. Airport (IAD).
What are the most popular departure times for flights from Harry Reid Intl. Airport (LAS) to Washington Dulles Intl. Airport (IAD)?
Flights between LAS and IAD are busiest at 1 PM. For a more relaxed experience and possibly cheaper tickets, choose a departure that's outside typical rush times.
What day of the week has the most flights from LAS to IAD?
Tuesday offers the most flights from Harry Reid Intl. Airport (LAS) to Washington Dulles Intl. Airport (IAD). Consider leaving on this day and you'll have the best chance of finding a departure that fits your itinerary.
What is the earliest flight from Harry Reid Intl. Airport (LAS) to Washington Dulles Intl. Airport (IAD)?
The first flight of the day leaving Harry Reid Intl. Airport (LAS) is at around 8:40AM UTC-8. Board this plane and you'll land at Washington Dulles Intl. Airport (IAD) at approximately 4:07PM UTC-5. The total time in the air is 4h 27m.
How long does it take to fly from Harry Reid Intl. Airport (LAS) to Washington Dulles Intl. Airport (IAD)?
The average flight duration from LAS to IAD is 4 hours and 27 minutes, covering a total distance of 2,100 mi.
What airline has the least delays from LAS to IAD?
With 100% of flights typically arriving on schedule, Frontier Airlines has the best on-time performance for nonstop flights from Harry Reid Intl. Airport (LAS) to Washington Dulles Intl. Airport (IAD). To keep track of your flight status and receive notifications about any changes, head to the Expedia App.
What is the best time to fly from Harry Reid Intl. Airport (LAS) to Washington Dulles Intl. Airport (IAD)?
To avoid possible delays on the Harry Reid Intl. Airport (LAS) to Washington Dulles Intl. Airport (IAD) route, aim to travel before 3 PM. Later departures are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Washington from Harry Reid Intl. Airport (LAS)?
Catch a direct flight from Harry Reid Intl. Airport (LAS) to Washington and touch down at any one of these airports:

  • Baltimore Washington Intl. Thurgood Marshall Airport (BWI)
  • Washington Dulles Intl. Airport (IAD)
  • Ronald Reagan Washington National Airport (DCA)

Is it cheaper to buy a plane ticket from Harry Reid Intl. Airport (LAS) to Washington Dulles Intl. Airport (IAD) last-minute?
Booking your plane ticket from LAS to IAD right before your trip is generally more expensive. But if you're flexible with your departure times and dates, you could bag a cheap last-minute fare.
Is it cheaper to book a LAS to IAD flight and hotel package?
Compared with arranging flights and hotels separately, booking a LAS to IAD flight and hotel package with Expedia could result in significant savings. Better yet, having everything in one place will take the stress out of planning your trip. Just secure your flights and choose from our wide range of hotels, then customize your trip with other add-ons like activities, tours and car rentals.
Can I cancel or change the date of my flight from Harry Reid Intl. Airport (LAS) to Washington Dulles Intl. Airport (IAD)?
You can usually reschedule or cancel your LAS to IAD flight. However, if it's been more than 24 hours since booking, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find more details on our Customer Service portal.

Travel information

Origin airport
Harry Reid Intl.
Destination airport
Washington Dulles Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Southwest Airlines, Sun Country Airlines, United
Roundtrip price
$188
Distance
2060 mi
Average flight time
8 hours 37 mins

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