Dulles Intl

$79+ 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 9/4. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — IAD
Aug 19 — Aug 261
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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 August 14, 2025.

Round-trip from

$147
(United Airlines)

One-way from

$79
(United Airlines)

Popular in

November

Cheapest in

January

Average price

$213

Good round-trip deal

$374 or less

Good one-way deal

$231 or less
From Massachusetts to Washington, D.C. Dulles Intl
One-way flight from Massachusetts to Washington, D.C. Dulles Intl
Highest demand for flights based on searches. 4% potential increase in price ($9 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($3 potential savings vs. average RT price).
Average for round-trip flights in August 2025
Price to beat on a round-trip flight from Massachusetts to Washington, D.C. Dulles Intl.
Price to beat on a one-way flight from Massachusetts to Washington, D.C. Dulles Intl.

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 August 14, 2025.

This United Airlines deal was found by Cheapflights users on 8/12. 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.
Tue 9/25:30 amBOS - IAD
Nonstop1h 40mUnited Airlines
Thu 9/45:53 pmIAD - BOS
1 stop5h 29mUnited Airlines
Deal found 8/12$147
This United Airlines deal was found by Cheapflights users on 8/13. 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.
Wed 8/275:30 amBOS - IAD
Nonstop1h 40mUnited Airlines
Wed 9/36:20 amIAD - BOS
1 stop3h 17mUnited Airlines
Deal found 8/13$148
This United Airlines deal was found by Cheapflights users on 8/13. 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.
Mon 9/155:30 amBOS - IAD
Nonstop1h 40mUnited Airlines
Tue 9/168:40 amIAD - BOS
1 stop4h 44mUnited Airlines
Deal found 8/13$149
This United Airlines deal was found by Cheapflights users on 8/12. 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.
Wed 9/36:56 pmBOS - IAD
1 stop4h 03mUnited Airlines
Fri 9/510:18 pmIAD - BOS
Nonstop1h 39mUnited Airlines
Deal found 8/12$152
This United Airlines deal was found by Cheapflights users on 8/12. 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.
Sun 9/288:02 pmBOS - IAD
1 stop3h 57mUnited Airlines
Mon 9/2910:19 pmIAD - BOS
Nonstop1h 40mUnited Airlines
Deal found 8/12$153
This United Airlines deal was found by Cheapflights users on 8/14. 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 9/101:00 pmBOS - IAD
Nonstop1h 43mUnited Airlines
Thu 9/1110:18 pmIAD - BOS
Nonstop1h 39mUnited Airlines
Deal found 8/14$154
This United Airlines deal was found by Cheapflights users on 8/12. 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.
Wed 8/275:30 amBOS - IAD
Nonstop1h 40mUnited Airlines
Wed 8/2712:35 pmIAD - BOS
Nonstop1h 37mUnited Airlines
Deal found 8/12$155
This United Airlines deal was found by Cheapflights users on 8/12. 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 10/172:36 pmBOS - IAD
Nonstop1h 44mUnited Airlines
Sun 10/196:15 amIAD - BOS
1 stop4h 53mUnited Airlines
Deal found 8/12$157
This United Airlines deal was found by Cheapflights users on 8/13. 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.
Wed 9/310:34 amBOS - IAD
1 stop5h 49mUnited Airlines
Sat 9/68:35 amIAD - BOS
1 stop3h 43mUnited Airlines
Deal found 8/13$158
This United Airlines deal was found by Cheapflights users on 8/13. 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.
Mon 9/224:23 pmBOS - IAD
1 stop4h 18mUnited Airlines
Tue 9/308:30 amIAD - BOS
1 stop4h 55mUnited Airlines
Deal found 8/13$159
This United Airlines deal was found by Cheapflights users on 8/13. 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.
Mon 9/155:30 amBOS - IAD
Nonstop1h 40mUnited Airlines
Fri 9/1910:18 pmIAD - BOS
Nonstop1h 39mUnited Airlines
Deal found 8/13$160
This Delta deal was found by Cheapflights users on 8/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/165:08 pmBDL - IAD
1 stop6h 09mDelta
Sat 9/276:16 pmIAD - BDL
1 stop5h 07mDelta
Deal found 8/14$187

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 August 14, 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

Tue 9/2

5:30 am-7:10 am

Nonstop1h 40m

Washington, D.C. Dulles Intl

Thu 9/4

5:53 pm-11:22 pm

1 stop5h 29m

$147

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

Wed 9/3

6:56 pm-10:59 pm

1 stop4h 03m

Washington, D.C. Dulles Intl

Thu 9/4

10:18 pm-11:57 pm

Nonstop1h 39m

$147

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

Thu 9/4

5:30 am-7:10 am

Nonstop1h 40m

Washington, D.C. Dulles Intl

Thu 9/4

5:53 pm-11:22 pm

1 stop5h 29m

$147

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

Wed 9/3

9:30 am-11:13 am

Nonstop1h 43m

Washington, D.C. Dulles Intl

Sat 9/6

8:35 am-1:24 pm

1 stop4h 49m

$148

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

Mon 9/15

5:30 am-7:10 am

Nonstop1h 40m

Washington, D.C. Dulles Intl

Tue 9/16

8:40 am-1:24 pm

1 stop4h 44m

$149

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

Tue 9/9

2:40 pm-4:23 pm

Nonstop1h 43m

Washington, D.C. Dulles Intl

Thu 9/11

8:40 am-1:24 pm

1 stop4h 44m

$149

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

Mon 9/15

5:30 am-7:10 am

Nonstop1h 40m

Washington, D.C. Dulles Intl

Thu 9/18

8:40 am-1:24 pm

1 stop4h 44m

$149

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

Sat 8/30

5:30 am-7:10 am

Nonstop1h 40m

Washington, D.C. Dulles Intl

Mon 9/1

6:20 am-11:17 am

1 stop4h 57m

$149

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

Thu 9/18

5:30 am-7:10 am

Nonstop1h 40m

Washington, D.C. Dulles Intl

Mon 9/22

5:53 pm-11:22 pm

1 stop5h 29m

$149

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

Wed 10/15

5:30 am-7:11 am

Nonstop1h 41m

Washington, D.C. Dulles Intl

Wed 10/22

6:15 am-11:08 am

1 stop4h 53m

$149

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

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, July is the cheapest month in which you can book a flight from Massachusetts to Washington, D.C. Dulles Intl Airport (average of $302). Flying from Massachusetts to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). 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 August 14, 2025.

When flying from Massachusetts to Washington, D.C. Dulles Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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.
  • What are the cheapest airlines to fly from Massachusetts to Washington, D.C. Dulles Intl Airport one-way?

    The cheapest airline one-way is United Airlines, with whom users have recently found tickets for as low as $79. However, be on the lookout for offers from Delta and American Airlines, as they are both options that can get you from Massachusetts to Washington, D.C. Dulles Intl Airport for a low price.

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

  • 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 (98%), 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 $138. While the most popular route (Boston Logan Intl - Washington, D.C. Dulles Intl) can be booked for $137 on average our data indicates $875 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, July is the cheapest month in which you can book a flight from Massachusetts to Washington, D.C. Dulles Intl Airport (average of $302). Flying from Massachusetts to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). 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
Woodbridge
Arlington
Alexandria
Tysons
Silver Spring
Springfield
Fredericksburg
Gaithersburg
Towson
Linthicum Heights
Fairfax
Manassas
Falls Church
Laurel
Rockville
Oxon Hill
National Harbor
Dundalk
Waldorf
Bowie

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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.

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 August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$51Average$119FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$68Average$346FlexibilityNo cancel feeOn-time62%
DeltaCheapest$84Average$248FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$155Average$285FlexibilityNo cancel feeOn-time69%

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