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Dulles Intl

$70+ 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 1/24. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — IAD
Jan 14 — Jan 211
Wed 1/14
Wed 1/21
1 adult, Economy
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Cheap 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 December 15, 2025.

This United Airlines deal was found by Cheapflights users on 12/15. 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 12/305:20 amBOS - IAD
Nonstop1h 46mUnited Airlines
Mon 1/59:00 amIAD - BOS
Nonstop1h 37mUnited Airlines
Deal found 12/15$177
This United Airlines deal was found by Cheapflights users on 12/14. 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 12/307:32 pmBOS - IAD
1 stop3h 34mUnited Airlines
Thu 1/110:17 pmIAD - BOS
Nonstop1h 37mUnited Airlines
Deal found 12/14$197
This United Airlines deal was found by Cheapflights users on 12/12. 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 12/255:20 amBOS - IAD
Nonstop1h 46mUnited Airlines
Mon 12/2910:17 pmIAD - BOS
Nonstop1h 37mUnited Airlines
Deal found 12/12$204
This United Airlines deal was found by Cheapflights users on 12/12. 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 12/257:32 pmBOS - IAD
1 stop3h 34mUnited Airlines
Sun 12/2810:17 pmIAD - BOS
Nonstop1h 37mUnited Airlines
Deal found 12/12$207
This United Airlines deal was found by Cheapflights users on 12/14. 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.
Mon 12/295:20 amBOS - IAD
Nonstop1h 46mUnited Airlines
Sun 1/410:17 pmIAD - BOS
Nonstop1h 37mUnited Airlines
Deal found 12/14$212
This Expedia deal was found by Cheapflights users on 12/13. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/296:00 amBOS - IAD
1 stop12h 16mFrontier
Mon 1/57:06 pmIAD - BOS
1 stop6h 13mFrontier
Deal found 12/13$213
This United Airlines deal was found by Cheapflights users on 12/12. 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 12/265:20 amBOS - IAD
Nonstop1h 46mUnited Airlines
Thu 1/15:10 pmIAD - BOS
1 stop5h 38mUnited Airlines
Deal found 12/12$215
This United Airlines deal was found by Cheapflights users on 12/15. 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 12/257:32 pmBOS - IAD
1 stop3h 34mUnited Airlines
Tue 12/305:10 pmIAD - BOS
1 stop5h 38mUnited Airlines
Deal found 12/15$217
This United Airlines deal was found by Cheapflights users on 12/14. 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.
Wed 12/317:40 pmBDL - IAD
Nonstop1h 39mUnited Airlines
Fri 1/212:40 pmIAD - BDL
Nonstop1h 29mUnited Airlines
Deal found 12/14$219
This United Airlines deal was found by Cheapflights users on 12/14. 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 12/2310:36 amBDL - IAD
Nonstop1h 39mUnited Airlines
Sun 1/410:32 pmIAD - BDL
Nonstop1h 26mUnited Airlines
Deal found 12/14$234
This United Airlines deal was found by Cheapflights users on 12/13. 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 12/252:50 pmBDL - IAD
Nonstop1h 35mUnited Airlines
Tue 1/1312:35 pmIAD - BDL
Nonstop1h 25mUnited Airlines
Deal found 12/13$244
This United Airlines deal was found by Cheapflights users on 12/14. 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 12/265:45 amALB - IAD
Nonstop1h 50mUnited Airlines
Mon 12/295:20 pmIAD - ALB
Nonstop1h 36mUnited Airlines
Deal found 12/14$249

Find 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 December 15, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$152
(Kiwi.com)

One-way from

$70
(Frontier)

Popular in

November

Cheapest in

January

Average price

$197

Good round-trip deal

$290 or less

Good one-way deal

$161 or less
Provider with most accurate pricing for Boston Logan Intl-Washington, D.C. (WAS) flight deals.
Search Deals
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. 12% potential increase in price ($29 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 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 December 15, 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

Fri 2/20

9:30 am-11:14 am

Nonstop1h 44m

Washington, D.C. Dulles Intl

Mon 2/23

10:20 pm-11:57 pm

Nonstop1h 37m

$167

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

Sat 1/24

7:21 pm-11:13 pm

1 stop3h 52m

Washington, D.C. Dulles Intl

Tue 2/3

5:20 pm-6:57 pm

Nonstop1h 37m

$167

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

Fri 1/16

7:07 pm-8:53 pm

Nonstop1h 46m

Washington, D.C. Dulles Intl

Sun 1/18

10:12 pm-11:49 pm

Nonstop1h 37m

$167

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

Mon 1/5

7:44 pm-9:30 pm

Nonstop1h 46m

Washington, D.C. Dulles Intl

Fri 1/9

9:00 am-10:36 am

Nonstop1h 36m

$167

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

Thu 1/15

7:07 pm-8:53 pm

Nonstop1h 46m

Washington, D.C. Dulles Intl

Sun 1/18

5:20 pm-6:57 pm

Nonstop1h 37m

$167

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

Sat 1/10

2:27 pm-4:13 pm

Nonstop1h 46m

Washington, D.C. Dulles Intl

Sun 1/11

8:17 am-1:13 pm

1 stop4h 56m

$172

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

Fri 1/9

2:20 pm-4:06 pm

Nonstop1h 46m

Washington, D.C. Dulles Intl

Sun 1/11

6:00 am-11:11 am

1 stop5h 11m

$177

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

Tue 2/24

10:30 am-4:29 pm

1 stop5h 59m

Washington, D.C. Dulles Intl

Sat 2/28

9:00 am-10:36 am

Nonstop1h 36m

$177

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

Thu 2/12

5:35 am-7:19 am

Nonstop1h 44m

Washington, D.C. Dulles Intl

Mon 2/16

8:36 am-12:53 pm

1 stop4h 17m

$177

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

Wed 1/7

7:28 pm-11:18 pm

1 stop3h 50m

Washington, D.C. Dulles Intl

Sat 1/10

5:38 pm-9:57 pm

1 stop4h 19m

$177

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/13

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 December 15, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 48% 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 44m. 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 Ethiopian Air (97%), Egyptair (96%) or ANA (95%) 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 $83. While the most popular route (Boston Logan Intl - Washington, D.C. Dulles Intl) can be booked for $157 on average, our data indicates $910 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
Owings Mills
Springfield
Hanover
Silver Spring
Fredericksburg
Linthicum Heights
Rockville
Laurel
Towson
Manassas
National Harbor
Bowie
Largo
McLean
Clinton
Cordova

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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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Orlando to Reagan-National flights
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Miami to Baltimore flights
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Orlando to Baltimore flights
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Tampa to Baltimore flights
Detroit to Reagan-National flights
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Ontario to Baltimore flights
Fort Lauderdale to Dulles Intl flights
Fort Lauderdale to Baltimore flights
Minneapolis to Reagan-National flights
Detroit to Dulles Intl flights
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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 December 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$51Average$135FlexibilityNo cancel feeOn-time65%
DeltaCheapest$84Average$267FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$103Average$287FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$155Average$277FlexibilityNo cancel feeOn-time69%

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