$179 Cheap Flights from Las Vegas to Washington

Feel at ease with free flight cancellations within 24 hours of booking

Change your flight without a fee on select flights

Find The Best Dates To Fly from Harry Reid Intl. to Washington Dulles Intl.

Amazing LAS to IAD Flight Deals

The cheapest flights to Washington Dulles Intl. found within the past 7 days were $340 round trip and $179 one way. Prices and availability subject to change. Additional terms may apply.

Flight Schedule for LAS to IAD

CarrierFlightDepart LASArrive IADMon
7/4
Tue
7/5
Wed
7/6
Thu
7/7
Fri
7/8
Sat
7/9
Sun
7/10
Stops
UA196101:27 pm09:03 pmCheck FareCheck FareCheck FareCheck FareCheck FareCheck FareCheck Fare
0 Stops
UA228011:33 pm07:03 amCheck FareCheck FareCheck FareCheck FareCheck FareCheck FareCheck Fare
0 Stops

Frequently asked questions

 

Traveling From Harry Reid Intl.
Traveling To Washington Dulles Intl.
Shortest Flight Time 10 hours 30 mins
Earliest Departure Time 1:44PM EDT
Latest Departure Time 11:33PM EDT
Lowest Flight Price $340

Route Info

Flight path for flights from McCarran International Airport to Washington Dulles International Airport.

Distance:
2,483.00 miles

Discover our best flights from Las Vegas LAS to Washington IAD. 

With 20 airlines to choose from on Travelocity, you can easily find the best option for you. Use our filters to sort by price, compare airlines, and find the most convenient flight times. 

 

Find our best return flights from Las Vegas LAS to Washington IAD at the right price  

Airfares to Washington IAD from Las Vegas LAS currently cost between $340 and $386. It’s usually cheaper to book a round trip than two separate one-way flights. Prices and availability subject to change. Additional terms may apply. 

 

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

If you want to be flexible about when you return, or keep your travel options open ended, a one-way flight could be just the ticket! You’ll find one-way airfares from Las Vegas LAS to Washington IAD on Travelocity starting at $179. Prices and availability subject to change. Additional terms may apply. 

 

Get to Washington IAD from Las Vegas LAS quicker with direct flights. 

Get to Washington faster, without the hassle of changing planes and moving baggage, by booking a direct flight. Expect your direct flight to IAD from LAS to take around 10 hour(s) 30 min(s).  

 

Find our cheapest airfares for flights from Las Vegas LAS to Washington IAD

Find cheap flight deals by using our search filters to sort results starting with the lowest price airfares to IAD from LAS. Our Price Match Promise means if you find a lower rate on Travelocity.com or on another US-based website within 24 hours of booking, we’ll credit or refund the difference.  

 

Get our best airfare deals for your flight from Las Vegas LAS to Washington IAD today 

If you’re flexible about when you travel, August is usually the cheapest month to fly from Las Vegas LAS to Washington IAD. If you need to be more specific, search by date and arrival and departure times.Then, compare prices across different airlines, and sort results by lowest price first. 

 

Book flexible airline tickets for flights to Washington IAD from Las Vegas LAS 

Some airlines let you change your travel dates without charging a fee. Use our ‘no change fee’ filter to see which flights to IAD from LAS have this option.  

 

Travel with confidence when you book flights to Washington IAD from Las Vegas LAS with Travelocity 

We’ve secured fantastic deals with all the main airline carriers and it’s easy to compare, choose, and book with Travelocity. With 24/7 customer service and our free 'App', we’ll always keep you moving. 

*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.