Cheap flights from Boston to Washington Dulles Intl (BOS - IAD)

Flight FAQs

From Boston to Washington Dulles Intl

Are flight prices decreasing from Boston to Washington Dulles Intl due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Boston and Washington Dulles Intl for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Can I find flights from Boston to Washington Dulles Intl for under $100 on Cheapflights?

Yes, there are multiple flights from Boston to Washington Dulles Intl for under $100. The cheapest flight booked recently is on Sun Country Air for just $97, but on average you can expect to pay $134.

Are there nonstop flights from Boston to Washington Dulles Intl for under $100 on Cheapflights?

Cheapflights has at least 3 direct flights from Boston to Washington Dulles Intl under $100. A good price for a nonstop flight from Boston to Washington Dulles Intl is less than $115.

Are there last-minute flights available from Boston to Washington Dulles Intl for under $200?

There are currently 20+ open flights from Boston to Washington Dulles Intl within the next 7 days for less than $200.

Does it rain more in Boston or Washington Dulles Intl?

When traveling, we recommend packing in preparation to handle common weather conditions. The rainfall in Boston is typically similar to Washington Dulles Intl. We can gather that this will continue over the next 12 days.

Is Boston weather warmer or cooler than Washington Dulles Intl?

You can imagine temperatures to be in the 88 °F range in July. The weather in Washington Dulles Intl is generally hotter than Boston's. As flight availability is subject to become more limited as peak season approaches it is ideal to book in a timely manner.

How long is the flight from Boston to Washington Dulles Intl?

For as low as $142, Allegiant Air can have you in Washington Dulles Intl from Boston in 1h 32m. Both multi-stop and nonstop flights can be found to your destination and back.

What are the cheapest airlines flying from Boston to Washington Dulles Intl round-trip?

Sun Country Air, at $97, was found to be the cheapest airline from Boston to Washington Dulles Intl.Alternate airlines to your destination round-trip include Delta and Allegiant Air. Sun Country Air is currently priced 58% below the average price you’ll pay for this route.

What are the cheapest airlines to fly from Boston to Washington Dulles Intl one-way?

The cheapest airlines for a one-way flight from Boston to Washington Dulles Intl are Cape Air ($49), Delta ($53), and Spirit Airlines ($98).