S$128 Cheap Flights from Washington to Boston

View S$128 flight on Mon, 9 Feb, 2026Opens in a new window

Popular airlines from Washington Dulles Intl. Airport (IAD) to Boston

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Cheap Flights from Washington to Boston (IAD-BOS)

Prices were available within the past 7 days and start at S$128 for one-way flights and S$293 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Fri, 27 Feb - Sat, 28 Feb
IAD
Washington
BOS
Boston
S$293 Return, found 2 days ago
S$293
Return
found 2 days ago
Select United flight, departing Fri, 27 Feb from Washington to Boston, returning Sat, 28 Feb, priced at S$293 found 2 days ago
United
Fri, 27 Feb - Sat, 28 Feb
IAD
Washington
BOS
Boston
S$306 Return, found 2 days ago
S$306
Return
found 2 days ago
Select United flight, departing Fri, 27 Feb from Washington to Boston, returning Sat, 28 Feb, priced at S$306 found 2 days ago
United
Fri, 27 Feb - Sat, 28 Feb
IAD
Washington
BOS
Boston
S$351 Return, found 2 days ago
S$351
Return
found 2 days ago
Select United flight, departing Fri, 27 Feb from Washington to Boston, returning Sat, 28 Feb, priced at S$351 found 2 days ago
United
Fri, 27 Feb - Sat, 28 Feb
IAD
Washington
BOS
Boston
S$364 Return, found 2 days ago
S$364
Return
found 2 days ago
Select United flight, departing Fri, 27 Feb from Washington to Boston, returning Sat, 28 Feb, priced at S$364 found 2 days ago
United
Fri, 27 Feb - Sat, 28 Feb
IAD
Washington
BOS
Boston
S$383 Return, found 2 days ago
S$383
Return
found 2 days ago
Select United flight, departing Fri, 27 Feb from Washington to Boston, returning Sat, 28 Feb, priced at S$383 found 2 days ago
Delta
Fri, 27 Feb - Sat, 28 Feb
IAD
Washington
BOS
Boston
S$391 Return, found 2 days ago
S$391
Return
found 2 days ago
Select Delta flight, departing Fri, 27 Feb from Washington to Boston, returning Sat, 28 Feb, priced at S$391 found 2 days ago
United
Fri, 27 Feb - Sat, 28 Feb
IAD
Washington
BOS
Boston
S$396 Return, found 2 days ago
S$396
Return
found 2 days ago
Select United flight, departing Fri, 27 Feb from Washington to Boston, returning Sat, 28 Feb, priced at S$396 found 2 days ago
Delta
Fri, 27 Feb - Sat, 28 Feb
IAD
Washington
BOS
Boston
S$402 Return, found 2 days ago
S$402
Return
found 2 days ago
Select Delta flight, departing Fri, 27 Feb from Washington to Boston, returning Sat, 28 Feb, priced at S$402 found 2 days ago
American Airlines
Fri, 27 Feb - Sat, 28 Feb
IAD
Washington
BOS
Boston
S$409 Return, found 2 days ago
S$409
Return
found 2 days ago
Select American Airlines flight, departing Fri, 27 Feb from Washington to Boston, returning Sat, 28 Feb, priced at S$409 found 2 days ago
Delta
Fri, 27 Feb - Sat, 28 Feb
IAD
Washington
BOS
Boston
S$414 Return, found 2 days ago
S$414
Return
found 2 days ago
Select Delta flight, departing Fri, 27 Feb from Washington to Boston, returning Sat, 28 Feb, priced at S$414 found 2 days ago

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

February is typically the cheapest month to fly

From S$126 - S$300 per traveller.

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$293. 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.

Travel information

Origin airport
Washington Dulles Intl.
Destination airport
Logan Intl.
Return price
S$292
Distance
657 km
Average flight time
1 hour 36 mins

Book with confidence

Perfect flights from Washington to Boston

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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$128 and roundtrip prices from S$293*.
 

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*Note: Prices may vary based on availability and are subject to change.
Perfect flights from Washington to Boston

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