฿3,400 Cheap Flights from Boston (BOS) to Washington (IAD)

View ฿3,400 flight on Tue, 7 Jul 2026Opens in a new window

Popular airlines from Logan International Airport (BOS) to Washington Dulles International Airport (IAD)

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Cheap Flights from Boston (BOS) to Washington (IAD)

Prices were available within the past 7 days and start at ฿3,400 for one-way flights and ฿7,945 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, 8 Jul - Fri, 10 Jul
BOS
Boston
IAD
Washington
฿7,945 Return, found 4 days ago
฿7,945
Return
found 4 days ago
Select United flight, departing Wed, 8 Jul from Boston to Washington, returning Fri, 10 Jul, priced at ฿7,945 found 4 days ago
United
Wed, 8 Jul - Fri, 10 Jul
BOS
Boston
IAD
Washington
฿8,600 Return, found 4 days ago
฿8,600
Return
found 4 days ago
Select United flight, departing Wed, 8 Jul from Boston to Washington, returning Fri, 10 Jul, priced at ฿8,600 found 4 days ago
Delta
Wed, 8 Jul - Fri, 10 Jul
BOS
Boston
IAD
Washington
฿8,925 Return, found 4 days ago
฿8,925
Return
found 4 days ago
Select Delta flight, departing Wed, 8 Jul from Boston to Washington, returning Fri, 10 Jul, priced at ฿8,925 found 4 days ago
United
Wed, 8 Jul - Fri, 10 Jul
BOS
Boston
IAD
Washington
฿8,930 Return, found 4 days ago
฿8,930
Return
found 4 days ago
Select United flight, departing Wed, 8 Jul from Boston to Washington, returning Fri, 10 Jul, priced at ฿8,930 found 4 days ago
United
Wed, 8 Jul - Fri, 10 Jul
BOS
Boston
IAD
Washington
฿9,090 Return, found 4 days ago
฿9,090
Return
found 4 days ago
Select United flight, departing Wed, 8 Jul from Boston to Washington, returning Fri, 10 Jul, priced at ฿9,090 found 4 days ago

Frequently asked questions

How much is a flight from BOS to Dulles Intl. Airport?
The lowest price advertised for a round-trip journey between BOS and Dulles Intl. Airport is ฿7,945. But you better move fast. This figure is based on fares quoted within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Logan Intl. Airport (BOS) to IAD?
This can differ between airlines, as each has its own set of terms and conditions. Visit the Customer Service Portal, where you'll find simple instructions on how to cancel your flight online.
How do I find cheap flights from BOS to Dulles Intl. Airport that have flexible change policies?
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 BOS to Dulles Intl. Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from BOS to Dulles Intl. Airport?
With a flight distance of 660 kilometres, it's just a hop from Logan Intl. Airport (BOS) to Dulles Intl. Airport. It might be a quick flight, but it's still worth bringing something to keep you busy on board.
Which airlines fly direct from BOS to Washington Dulles Intl. Airport (IAD)?
United Airlines (UA) will take you from BOS to IAD safely and comfortably. You can choose from 121 flights every month on this route.
Are BOS to Dulles Intl. Airport flight tickets cheaper when they're purchased at the last minute?
It is possible to score an amazing last-minute deal from BOS to IAD, but it can also be hit-or-miss. As many airlines advertise prices up to 12 months in advance, it's worthwhile keeping an eye on fares early and being ready to book when you spot a good bargain. Expedia compares carrier prices and updates flight deals all the time, so you can feel confident knowing you're always seeing the latest offers.

Travel information

Origin airport
Logan Intl.
Destination airport
Washington Dulles Intl.
Return price
฿7,945
Distance
657 km
Average flight time
2 hours 38 mins

Book with confidence

Perfect flights from Boston to Washington

Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from Boston to Washington. Whether you're aching for a romantic escape with your partner, craving an adventurous solo expedition, or yearning to immerse yourself in the local history and culture, we've got you covered.
 
Picture yourself strolling through the streets of , surrounded by breathtaking architecture and absorbing the vibrant atmosphere of this captivating city. Indulge in the mouth-watering local specialties, from tantalizing street food to exquisite fine dining. With Expedia, you can experience all of this and more, without sacrificing your budget.
 
Our flexible Logan Intl. to Washington Dulles Intl. ticket options cater to your travel preferences, with incredible one-way fares from ฿3,400 and roundtrip prices from ฿7,945. Whether you're planning a short city break or a longer adventure, our dynamic pricing ensures that you find the best deals for your journey.
 
But the magic doesn't stop there. Expedia offers a range of partner services to enhance your trip. Rent a car at Washington Dulles Intl. and explore and its surrounding areas at your own pace. Discover hidden gems off the beaten path, and create unforgettable memories. We also provide a handpicked selection of accommodations, from charming bed and breakfasts to luxury hotels, ensuring that you have a comfortable and memorable stay.
 
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support are designed to make your travel experience seamless and stress-free. So, why wait? Book your to travel arrangements today and embark on the journey of a lifetime in Washington.
Perfect flights from Boston to Washington
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