S$141 Cheap Flights from Washington to Boston

View S$141 flight on Sat, 13 Sep, 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$141 for one-way flights and S$288 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Mon, 8 Dec - Wed, 10 Dec
IAD
Washington
BOS
Boston
S$288 Return, found 2 days ago
S$288
Return
found 2 days ago
Select United flight, departing Mon, 8 Dec from Washington to Boston, returning Wed, 10 Dec, priced at S$288 found 2 days ago
United
Mon, 8 Dec - Wed, 10 Dec
IAD
Washington
BOS
Boston
S$301 Return, found 2 days ago
S$301
Return
found 2 days ago
Select United flight, departing Mon, 8 Dec from Washington to Boston, returning Wed, 10 Dec, priced at S$301 found 2 days ago
United
Mon, 8 Dec - Wed, 10 Dec
IAD
Washington
BOS
Boston
S$320 Return, found 2 days ago
S$320
Return
found 2 days ago
Select United flight, departing Mon, 8 Dec from Washington to Boston, returning Wed, 10 Dec, priced at S$320 found 2 days ago
United
Mon, 8 Dec - Wed, 10 Dec
IAD
Washington
BOS
Boston
S$333 Return, found 2 days ago
S$333
Return
found 2 days ago
Select United flight, departing Mon, 8 Dec from Washington to Boston, returning Wed, 10 Dec, priced at S$333 found 2 days ago
United
Thu, 2 Oct - Thu, 9 Oct
IAD
Washington
BOS
Boston
S$343 Return, found 5 days ago
S$343
Return
found 5 days ago
Select United flight, departing Thu, 2 Oct from Washington to Boston, returning Thu, 9 Oct, priced at S$343 found 5 days ago
United
Thu, 2 Oct - Thu, 9 Oct
IAD
Washington
BOS
Boston
S$352 Return, found 5 days ago
S$352
Return
found 5 days ago
Select United flight, departing Thu, 2 Oct from Washington to Boston, returning Thu, 9 Oct, priced at S$352 found 5 days ago
United
Thu, 2 Oct - Thu, 9 Oct
IAD
Washington
BOS
Boston
S$356 Return, found 5 days ago
S$356
Return
found 5 days ago
Select United flight, departing Thu, 2 Oct from Washington to Boston, returning Thu, 9 Oct, priced at S$356 found 5 days ago
United
Mon, 8 Dec - Wed, 10 Dec
IAD
Washington
BOS
Boston
S$357 Return, found 2 days ago
S$357
Return
found 2 days ago
Select United flight, departing Mon, 8 Dec from Washington to Boston, returning Wed, 10 Dec, priced at S$357 found 2 days ago
United
Thu, 2 Oct - Thu, 9 Oct
IAD
Washington
BOS
Boston
S$362 Return, found 5 days ago
S$362
Return
found 5 days ago
Select United flight, departing Thu, 2 Oct from Washington to Boston, returning Thu, 9 Oct, priced at S$362 found 5 days ago
American Airlines
Thu, 2 Oct - Thu, 9 Oct
IAD
Washington
BOS
Boston
S$399 Return, found 5 days ago
S$399
Return
found 5 days ago
Select American Airlines flight, departing Thu, 2 Oct from Washington to Boston, returning Thu, 9 Oct, priced at S$399 found 5 days ago

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

September is typically the cheapest month to fly

From S$143 - S$217 per traveller.

Graph displaying average flight prices per month

Washington to Boston route information
Origin airport
Washington Dulles Intl.
Destination airport
Logan Intl.
Return price
S$288
Distance
657 km
Average flight time
1 hour 39 mins

Perfect flights from Washington to Boston

Your Journey from Washington to Boston

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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$141 and roundtrip prices from S$288*.
 

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 . 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$288. 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.