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 Boston. You can choose from five airlines. At the moment, 01 / Oct / 2025 is the cheapest date to travel, but scroll through the results to find the option that works best for you.
There are 25 flights from Washington DC Washington Dulles International Airport to or via Boston every week. Out of the five available airlines, the most popular ones are American Airlines, Alaska Airlines & Delta Air Lines. 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.
Your flight from Washington DC Washington Dulles International Airport to Boston will take at least 1 hrs 40 mins. On average, it takes 6 hrs 55 mins to fly the 664 km distance. Take a look at flight times to see which one works best for you.
Searching by month, for instance, will show you the best time of the week to fly.
