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IAD (Washington) to LAS (Las Vegas) Flights $128.95

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Cheap IAD to LAS Flights

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

Interesting Facts About Flights from Washington to Las Vegas (IAD to LAS)

Question : Looking for the cheapest flight over the next 30 days?
Answer : As of Jul 17th, the best day for deals to Las Vegas (LAS) is Jul 17th. It costs $159, which is 55% below the average price to book the same route.

Question : If traveling from IAD to LAS, how long can you expect to be in the air?
Answer : The average flight duration between IAD and LAS is five hours and 19 minutes.

Question : For IAD to LAS, how many departure times are there on a given day?
Answer : It does differ by the day of the week, but on average, you can expect two different choices of flight times when you book. The average route departing the United States currently has five different flight times per day, so expect fewer choices than you're used to.

Question : Should you be aware of any airlines that have a reputation of delayed arrivals for this route?
Answer : 50% of Executive Jet Management flights from Washington Dulles International Airport (IAD) to McCarran International Airport (LAS) are late. If you’re on Executive Jet Management, be sure to sign up for the delay notifications to stay up to date with your flight’s status.

Question : How often is the Washington Dulles International Airport (IAD) to McCarran International Airport (LAS) route delayed?
Answer : Passengers are currently getting to their destination on schedule 80% of the time, which ranks in the top 50% of the world. If a flight is late, though, expect an average of 33 minutes added to your flight time.

Question : If your plans are flexible, have you considered changing your departure day?
Answer : In August, Monday is your lowest-cost day to fly. Being flexible with your travel days garners even more savings during booking.

Question : Do travelers from Dulles typically stay in Las Vegas for very long?
Answer : Passengers from IAD to LAS stay about one week on average.