We've gone through lots of different flights, to help you find the cheapest way to get from Washington DC Washington Dulles International Airport to Las Vegas. You can choose from one airlines. At the moment, 27 / Jul / 2025 is the cheapest date to travel, but scroll through the results to find the option that works best for you.
There are five flights from Washington DC Washington Dulles International Airport to or via Las Vegas every week. Out of the one available airlines, the most popular ones are Alaska Airlines. But that doesn’t necessarily mean they’ll be the best option for your travel dates. To see as many flights as possible, try widening your search to include other departure airports.
Generally speaking, the flight from Washington DC Washington Dulles International Airport to Las Vegas takes around 9 hrs. The fastest flight takes 9 hrs to cover the 3319 km distance. You can view all flight times yourself in the results list.
Searching by month, for instance, will show you the best time of the week to fly.