S$140 Cheap Flights from Washington to Boston

View S$140 flight on Fri, 31 Oct, 2025Opens in a new window

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

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Cheap Flights from Washington to Boston (IAD-BOS)

Prices were available within the past 7 days and start at S$140 for one-way flights and S$281 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sat, 13 Dec - Mon, 5 Jan
IAD
Washington
BOS
Boston
S$281 Return, found 1 day ago
S$281
Return
found 1 day ago
Select United flight, departing Sat, 13 Dec from Washington to Boston, returning Mon, 5 Jan, priced at S$281 found 1 day ago
United
Sat, 13 Dec - Mon, 5 Jan
IAD
Washington
BOS
Boston
S$293 Return, found 1 day ago
S$293
Return
found 1 day ago
Select United flight, departing Sat, 13 Dec from Washington to Boston, returning Mon, 5 Jan, priced at S$293 found 1 day ago
United
Sat, 13 Dec - Mon, 5 Jan
IAD
Washington
BOS
Boston
S$306 Return, found 1 day ago
S$306
Return
found 1 day ago
Select United flight, departing Sat, 13 Dec from Washington to Boston, returning Mon, 5 Jan, priced at S$306 found 1 day ago
United
Sat, 13 Dec - Mon, 5 Jan
IAD
Washington
BOS
Boston
S$370 Return, found 1 day ago
S$370
Return
found 1 day ago
Select United flight, departing Sat, 13 Dec from Washington to Boston, returning Mon, 5 Jan, priced at S$370 found 1 day ago
United
Sat, 13 Dec - Mon, 5 Jan
IAD
Washington
BOS
Boston
S$378 Return, found 1 day ago
S$378
Return
found 1 day ago
Select United flight, departing Sat, 13 Dec from Washington to Boston, returning Mon, 5 Jan, priced at S$378 found 1 day ago
United
Sat, 13 Dec - Mon, 5 Jan
IAD
Washington
BOS
Boston
S$390 Return, found 1 day ago
S$390
Return
found 1 day ago
Select United flight, departing Sat, 13 Dec from Washington to Boston, returning Mon, 5 Jan, priced at S$390 found 1 day ago
Delta
Sat, 13 Dec - Mon, 5 Jan
IAD
Washington
BOS
Boston
S$474 Return, found 1 day ago
S$474
Return
found 1 day ago
Select Delta flight, departing Sat, 13 Dec from Washington to Boston, returning Mon, 5 Jan, priced at S$474 found 1 day ago
Delta
Sat, 13 Dec - Mon, 5 Jan
IAD
Washington
BOS
Boston
S$486 Return, found 1 day ago
S$486
Return
found 1 day ago
Select Delta flight, departing Sat, 13 Dec from Washington to Boston, returning Mon, 5 Jan, priced at S$486 found 1 day ago

Find the cheapest month to fly from Washington (IAD) to Boston (BOS)

September is typically the cheapest month to fly

From S$151 - S$205 per traveller.
Washington to Boston route information
Origin airport
Washington Dulles Intl.
Destination airport
Logan Intl.
Return price
S$280
Distance
657 km
Average flight time
4 hours 9 mins

Perfect flights from Washington to Boston

Your Journey from Washington to Boston

Start your unforgettable journey with Expedia. Our broad selection of flights from Washington to Boston caters to every travel need. Whether you're yearning for a romantic escape, a solo adventure, or a cultural immersion, we've got you covered.
 

Choosing Your Ideal Flight

With Expedia, you have access to a wide range of airlines, including United, Delta, American Airlines. Our selection of flights from Washington Dulles Intl. to Logan Intl. caters to every traveler's requirements, ensuring your journey aligns with your schedule. With options from 20 airlines, you're bound to find the perfect flight.
 

Maximizing Value with Washington to Boston Flights

Experience the joy of finding cheap flights from Washington Dulles Intl. to Logan Intl. that fit your budget. Keep an eye out for our special deals and discounts, and check our flexible one-way fares from S$140 and roundtrip prices from S$281*.
 

Pre-Flight Essentials

Ensure a smooth journey from Washington to Boston with Expedia. From information about check-in times and in-flight amenities to guidance on baggage policies, we provide all the essentials to prepare you for your flight.
 

Experience the Vibrant Boston

Picture yourself stepping off the plane in Boston and immersing yourself in the unique atmosphere of Boston. From local markets to cultural festivals, each city offers its distinct charm. Make the most of your trip by exploring local attractions and indulging in the local cuisine. With Expedia, explore all this and more, tailored to your budget.
 

Added Convenience on Your Washington to Boston Flight

Traveling with Expedia is more than just a flight. We offer details about in-flight amenities, baggage policies, and more to ensure a smooth and hassle-free journey. Choose from our variety of airlines and embark on a memorable journey from Washington to Boston.
 

Beyond the Flight – Exploring Boston

With Expedia, your adventure extends beyond the flight. Explore Boston at your own pace by renting a car or booking a hotel. Discover hidden gems off the beaten path and create unforgettable memories.
 

Book Your Flight from Washington to Boston with Confidence

Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support make your travel experience seamless and stress-free. Embark on your journey from Washington to Boston with confidence. Book your travel arrangements with Expedia today.
 
*Note: Prices may vary based on availability and are subject to change.

Frequently asked questions

How much is a flight from Dulles Intl. Airport to BOS?
The lowest price advertised for a round-trip flight between IAD and Logan Intl. Airport (BOS) is S$281. But you better act fast. This figure is taken from fares offered 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 Washington Dulles Intl. Airport (IAD) to Logan Intl. Airport (BOS)?
Each air carrier has its own set of terms and conditions. If you do decide to cancel, follow the simple instructions on our Customer Service Portal.
How do I find cheap flights from IAD to Logan Intl. Airport (BOS) 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 Washington Dulles Intl. Airport (IAD) to BOS flights, you'll see a "no change fees" filter for you to select.
How far is the flight from IAD to Logan Intl. Airport (BOS)?
The distance from Dulles Intl. Airport (IAD) to BOS (BOS) is 660 kilometres. You'll be stepping off the plane and collecting your bags from the carousel before you know it.
Which airlines fly direct from Washington Dulles Intl. Airport (IAD) to Logan Intl. Airport?
Flying directly from IAD to BOS is a breeze with United Airlines (UA). This popular airline offers 121 flights each month.
Are Dulles Intl. Airport to BOS flight tickets cheaper when they're purchased at the last minute?
Booking your trip from Washington Dulles Intl. Airport (IAD) to BOS at the last minute could save you some serious cash. However, it might cost you a whole lot more! If you'd prefer to err on the side of caution, book well ahead of your departure date. In fact, Expedia has some of the best bargains up to 12 months in advance. If your preferred carrier hasn't released tickets yet, check back often as deals are updated on Expedia all the time.

Explore a world of travel with Expedia

*Available to Expedia members.