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Dulles Intl

$75+ Cheap flights from Massachusetts to Dulles Intl (IAD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/17. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — IAD
Nov 22 — Nov 291
Sat 11/22
Sat 11/29
1 adult, Economy
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Find flight deals from Massachusetts to Dulles Intl

Cheapest flights from Massachusetts to Dulles Intl
Explore the most affordable flight options available from Massachusetts to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 23, 2025.

This United Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/65:30 amBOS - IAD
Nonstop1h 43mUnited Airlines
Wed 11/125:33 pmIAD - BOS
1 stop5h 14mUnited Airlines
Deal found 10/22$144
This United Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/65:30 amBOS - IAD
Nonstop1h 43mUnited Airlines
Sun 11/99:00 amIAD - BOS
Nonstop1h 38mUnited Airlines
Deal found 10/22$145
This United Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/145:30 amBOS - IAD
Nonstop1h 43mUnited Airlines
Mon 11/1710:07 pmIAD - BOS
Nonstop1h 35mUnited Airlines
Deal found 10/22$146
This United Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/49:30 amBOS - IAD
Nonstop1h 43mUnited Airlines
Thu 11/69:00 amIAD - BOS
Nonstop1h 38mUnited Airlines
Deal found 10/21$147
This Kiwi.com deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/111:43 amBOS - IAD
1 stop12h 12mMultiple Airlines
Tue 11/48:40 amIAD - BOS
2 stops15h 19mMultiple Airlines
Deal found 10/22$149
This United Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/19:30 amBOS - IAD
Nonstop1h 43mUnited Airlines
Tue 11/410:07 pmIAD - BOS
Nonstop1h 35mUnited Airlines
Deal found 10/21$152
This United Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/15:30 amBOS - IAD
Nonstop1h 43mUnited Airlines
Mon 11/35:33 pmIAD - BOS
1 stop5h 09mUnited Airlines
Deal found 10/22$153
This Frontier deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/279:50 amBOS - IAD
1 stop5h 49mFrontier
Fri 10/318:36 pmIAD - BOS
1 stop11h 52mFrontier
Deal found 10/20$156
This United Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/206:00 amBDL - IAD
Nonstop1h 23mUnited Airlines
Thu 11/275:23 pmIAD - BDL
Nonstop1h 28mUnited Airlines
Deal found 10/21$189
This Frontier deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/511:59 amBDL - IAD
1 stop11h 06mFrontier
Sun 12/75:45 amIAD - BDL
1 stop5h 45mFrontier
Deal found 10/22$192
This United Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/46:00 amBDL - IAD
Nonstop1h 23mUnited Airlines
Tue 11/118:15 amIAD - BDL
Nonstop1h 23mUnited Airlines
Deal found 10/21$194
This American Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/223:17 pmORH - IAD
2 stops21h 55mAmerican Airlines
Mon 11/242:16 pmIAD - ORH
2 stops24h 35mAmerican Airlines
Deal found 10/22$197

Cheap flight deals from Massachusetts to Dulles Intl

Keep the following information in mind while searching for Massachusetts to Dulles Intl flight deals. Data was last updated October 23, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$144
(United Airlines)

One-way from

$75
(Priceline)

Popular in

October

Cheapest in

January

Average price

$232

Good round-trip deal

$275 or less

Good one-way deal

$158 or less
Provider with most accurate pricing for Boston Logan Intl-Washington, D.C. (WAS) flight deals.
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Provider most trusted by Cheapflights users for Boston Logan Intl-Washington, D.C. (WAS) flights.
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From Massachusetts to Washington, D.C. Dulles Intl
Search Deals
One-way flight from Massachusetts to Washington, D.C. Dulles Intl
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($15 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($3 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals
Price to beat on a round-trip flight from Massachusetts to Washington, D.C. Dulles Intl.
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Price to beat on a one-way flight from Massachusetts to Washington, D.C. Dulles Intl.
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Massachusetts to Dulles Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 23, 2025.
Use the filters below to find and compare flights from Massachusetts to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Massachusetts

Fly to

Dulles Intl

Route

Depart

Return

Price

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

Thu 11/6

5:30 am-7:13 am

Nonstop1h 43m

Washington, D.C. Dulles Intl

Wed 11/12

5:33 pm-10:47 pm

1 stop5h 14m

$144

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

Wed 11/19

5:30 am-7:13 am

Nonstop1h 43m

Washington, D.C. Dulles Intl

Sun 11/23

10:07 pm-11:42 pm

Nonstop1h 35m

$147

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

Sat 11/1

2:21 pm-4:08 pm

Nonstop1h 47m

Washington, D.C. Dulles Intl

Mon 11/3

5:33 pm-10:42 pm

1 stop5h 09m

$155

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

Tue 12/9

5:30 am-7:14 am

Nonstop1h 44m

Washington, D.C. Dulles Intl

Wed 12/10

12:51 pm-2:29 pm

Nonstop1h 38m

$157

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

Mon 11/17

5:30 am-7:13 am

Nonstop1h 43m

Washington, D.C. Dulles Intl

Tue 11/18

9:00 am-10:38 am

Nonstop1h 38m

$157

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

Tue 11/4

5:30 am-7:13 am

Nonstop1h 43m

Washington, D.C. Dulles Intl

Wed 11/5

10:07 pm-11:42 pm

Nonstop1h 35m

$157

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

Thu 10/30

5:30 am-7:13 am

Nonstop1h 43m

Washington, D.C. Dulles Intl

Fri 10/31

6:00 am-10:43 am

1 stop4h 43m

$157

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

Tue 10/28

9:30 am-11:13 am

Nonstop1h 43m

Washington, D.C. Dulles Intl

Fri 10/31

6:00 am-10:43 am

1 stop4h 43m

$157

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

Wed 12/17

12:02 pm-4:30 pm

1 stop4h 28m

Washington, D.C. Dulles Intl

Sat 1/3

10:17 pm-11:54 pm

Nonstop1h 37m

$163

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

Fri 10/31

5:30 am-7:13 am

Nonstop1h 43m

Washington, D.C. Dulles Intl

Sat 11/1

10:07 pm-11:42 pm

Nonstop1h 35m

$182

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/20

Showing 1-10 of 60 results
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Best time to book a flight from Massachusetts to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Massachusetts with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Massachusetts to Washington, D.C. Dulles Intl Airport

What is the cheapest month to book a flight from Massachusetts to Washington, D.C. Dulles Intl Airport?

Currently, May is the cheapest month in which you can book a flight from Massachusetts to Washington, D.C. Dulles Intl Airport (average of $132). Flying from Massachusetts to Washington, D.C. Dulles Intl Airport in August is currently the most expensive (average of $193). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from MA to IAD?

Find hourly flight availability from Massachusetts to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 23, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 47% on flights from Massachusetts to Washington, D.C. Dulles Intl Airport by exploring options for tickets in the morning.

What is the cheapest day to fly from Massachusetts to Washington, D.C. Dulles Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from Massachusetts to Dulles Intl. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Massachusetts to Washington, D.C. Dulles Intl Airport flight should consider departing on Monday afternoons when fares are most often at their lowest. Thursday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Related info for your journey

Find useful and relevant information for your journey from Massachusetts to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Massachusetts to Washington, D.C. Dulles Intl Airport?

    Departing from Massachusetts to Washington, D.C. Dulles Intl Airport will take you 1h 43m. Massachusetts and Washington, D.C. Dulles Intl Airport are separated by a distance of 411 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the most popular routes from Massachusetts to Washington, D.C. Dulles Intl Airport?

    The most popular flight routes from Massachusetts to Washington, D.C. Dulles Intl Airport are Boston Logan Intl - Washington, D.C. Dulles Intl, Hartford Bradley Intl - Washington, D.C. Dulles Intl and Albany Intl - Washington, D.C. Dulles Intl.

  • What are the most reliable airlines from Massachusetts to Washington, D.C. Dulles Intl Airport?

    No one likes to see their flight delayed. When booking a flight from Massachusetts to Washington, D.C. Dulles Intl Airport consider choosing Egyptair (100%), Ethiopian Air (100%) or Air China (94%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Massachusetts to Washington, D.C. Dulles Intl Airport?

    Looking at all options, your cheapest flight can be booked for $98. While the most popular route (Boston Logan Intl - Washington, D.C. Dulles Intl) can be booked for $97 on average, our data indicates $825 when flying from Massachusetts to Washington, D.C. Dulles Intl Airport.

  • Can I find deals for flights from Massachusetts to Dulles Intl that include hotel bookings?

    Yes. In addition to deals on Massachusetts to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Massachusetts to Dulles Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Massachusetts to Dulles Intl.

  • Can I find deals for business class flights from Massachusetts to Dulles Intl?

    Yes. Cheapflights offers flight deals from Massachusetts to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Massachusetts to Washington, D.C. Dulles Intl Airport?

    Currently, May is the cheapest month in which you can book a flight from Massachusetts to Washington, D.C. Dulles Intl Airport (average of $132). Flying from Massachusetts to Washington, D.C. Dulles Intl Airport in August is currently the most expensive (average of $193). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Alexandria
Woodbridge
Tysons
Arlington
Springfield
Silver Spring
Hanover
Gaithersburg
Fredericksburg
Fairfax
Linthicum Heights
Falls Church
Owings Mills
Manassas
Largo
Oxon Hill
Laurel
Towson
National Harbor
Waldorf

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Alternative routes for Massachusetts to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.
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Midway to Dulles Intl flights
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Minneapolis to Dulles Intl flights
Detroit to Reagan-National flights
Midway to Baltimore flights
George Bush Intcntl to Reagan-National flights
Seattle to Baltimore flights
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Orlando to Reagan-National flights
Minneapolis to Baltimore flights
John F Kennedy Intl to Reagan-National flights
Orlando to Baltimore flights
Minneapolis to Reagan-National flights
LaGuardia to Dulles Intl flights
Denver to Reagan-National flights
George Bush Intcntl to Baltimore flights
Fort Lauderdale to Dulles Intl flights

Top 4 airlines flying from Massachusetts to Dulles Intl

Discover the top 4 airlines that operate flights from Massachusetts to Dulles Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$51Average$121FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$68Average$287FlexibilityNo cancel feeOn-time62%
DeltaCheapest$84Average$277FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$156Average$280FlexibilityNo cancel feeOn-time69%

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