Cheap Flights Boise to Washington (BOI-IAD)

If you're travelling between Boise Airport and Dulles Intl. Airport, round-trip journeys start from . This figure is based on airfares advertised within the last 7 days on Expedia for flights departing within the next year, so don't delay. Book now and save yourself money and time. Prices and availability are subject to change. Additional terms apply.

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Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for BOI to Washington Dulles Intl. Airport (IAD) flights, you'll see a "no change fees" filter for you to select.

It's around 3 300 kilometres between Boise Airport (BOI) and Dulles Intl. Airport, so expect to be in your seat for a while. Keep yourself occupied with things like playing cards (if you're travelling with friends) or the latest bestseller.

Unfortunately, there are no airlines that fly directly between BOI and Dulles Intl. Airport. You'll need to book a flight with one or more stops.

Late planners can sometimes pick up a bargain, with some super cheap airfares from Boise Airport (BOI) to IAD popping up a few weeks before the departure date. If you'd rather book ahead, Expedia compares and updates all the best flight deals frequently — as early as 12 months in advance in some cases. It does depend on the carrier though, as not all airlines publish prices so far in advance.