Skip to main content
Beginning of main content

BOI (Boise) to IAD (Washington) Flights $261.8

Search over 321,000 hotels worldwide and 400 airlines worldwide.
Secure incredible value with Expedia's Price Guarantee.
No Expedia cancellation fee to change or cancel almost any hotel reservation.

Cheap BOI to IAD Flights

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

Interesting Facts About Flights from Boise to Washington (BOI to IAD)

Question : Do travelers from Boise typically stay in Dulles for very long?
Answer : Passengers from BOI to IAD stay one week on average.

Question : Over the coming months, which airline is getting their passengers to Washington Dulles International Airport (IAD) round-trip the cheapest?
Answer : United Airlines is your best bet for finding that coveted low fare. They're offering fares as low as $336, while prices for other flights are as high as $836.

Question : Are you paying the cheapest or highest price for your ticket to Dulles?
Answer : Flight prices are fluctuating less for this route than most routes in the United States, as they're ranging from $336 to $836. However, the sooner you book, the better price you tend to get.

Question : Is price more important than specific travel days for you?
Answer : The best day to fly on a budget this month is Sunday. Having flexibility in your travel plans means you can save more, so be sure to plan ahead when possible.

Question : Should you take that vacation to Dulles in the next 30 days?
Answer : Since low prices are preferred, look at Oct 28th. As of Oct 16th, it's showing the cheapest ticket sales at $336. That is 32% below the average price for this route, so you can spend that extra cash on a fun experience in Dulles.