HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
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 5/22. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — IAD
May 6 — May 131
Tue 5/6
Tue 5/13
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Massachusetts to Dulles Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 May 1, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$137
(United Airlines)

One-way from

$79
(United Airlines)

Popular in

April

Cheapest in

January

Average price

$194

Good round-trip deal

$332 or less

Good one-way deal

$166 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.
Search Deals
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. 2% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2025
Search Deals
Price to beat on a round-trip flight from Massachusetts to Washington, D.C. Dulles Intl.
Search Deals
Price to beat on a one-way flight from Massachusetts to Washington, D.C. Dulles Intl.
Search Deals

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 May 1, 2025.

This United Airlines deal was found by Cheapflights users on 4/29. 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 5/215:30 amBOS - IAD
Nonstop1h 41mUnited Airlines
Tue 5/274:00 pmIAD - BOS
Nonstop1h 41mUnited Airlines
Deal found 4/29$137
This Mytrip deal was found by Cheapflights users on 4/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2911:31 amBOS - IAD
1 stop8h 01mAllegiant Air
Mon 6/23:13 pmIAD - BOS
1 stop18h 01mAllegiant Air
Deal found 4/30$175
This Frontier deal was found by Cheapflights users on 4/30. 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 5/166:00 amBOS - IAD
1 stop10h 36mFrontier
Sun 5/185:26 pmIAD - BOS
1 stop7h 39mFrontier
Deal found 4/30$180
This American Airlines deal was found by Cheapflights users on 4/29. 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.
Fri 8/223:08 pmORH - IAD
2 stops21h 40mAmerican Airlines
Mon 8/255:20 pmIAD - ORH
2 stops21h 23mAmerican Airlines
Deal found 4/29$183
This United Airlines deal was found by Cheapflights users on 4/29. 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 6/2610:34 amBDL - IAD
Nonstop1h 26mUnited Airlines
Sun 6/2910:24 pmIAD - BDL
Nonstop1h 35mUnited Airlines
Deal found 4/29$189
This Delta deal was found by Cheapflights users on 4/30. 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.
Sat 5/246:18 pmALB - IAD
1 stop4h 36mDelta
Wed 5/286:00 amIAD - ALB
1 stop5h 52mDelta
Deal found 4/30$199
This Frontier deal was found by Cheapflights users on 4/29. 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.
Thu 5/223:56 pmBDL - IAD
1 stop7h 17mFrontier
Sat 5/2411:02 amIAD - BDL
1 stop8h 29mFrontier
Deal found 4/29$201
This Delta deal was found by Cheapflights users on 4/28. 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.
Sat 7/55:35 amBDL - IAD
1 stop5h 58mDelta
Wed 7/96:00 amIAD - BDL
1 stop6h 05mDelta
Deal found 4/28$204
This Mytrip deal was found by Cheapflights users on 4/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/811:31 amBOS - IAD
1 stop8h 54mMultiple Airlines
Sun 6/1511:52 amIAD - BOS
1 stop21h 33mMultiple Airlines
Deal found 4/30$208
This United Airlines deal was found by Cheapflights users on 4/30. 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 7/97:36 pmALB - IAD
Nonstop1h 37mUnited Airlines
Sat 7/1210:23 pmIAD - ALB
Nonstop1h 35mUnited Airlines
Deal found 4/30$231
This Delta deal was found by Cheapflights users on 4/30. 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.
Wed 5/216:05 amBOS - IAD
1 stop5h 40mDelta
Sat 5/246:17 pmIAD - BOS
1 stop4h 39mDelta
Deal found 4/30$247
This American Airlines deal was found by Cheapflights users on 4/30. 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.
Wed 6/47:55 amBDL - IAD
1 stop5h 27mAmerican Airlines
Sat 6/148:14 pmIAD - BDL
1 stop4h 29mAmerican Airlines
Deal found 4/30$251

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 May 1, 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

Wed 5/21

5:30 am-7:11 am

Nonstop1h 41m

Washington, D.C. Dulles Intl

Tue 5/27

4:00 pm-5:41 pm

Nonstop1h 41m

$137

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

Thu 5/29

11:31 am-7:32 pm

1 stop8h 01m

Washington, D.C. Dulles Intl

Mon 6/2

3:13 pm-9:14 am

1 stop18h 01m

$175

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

Fri 5/16

6:00 am-4:36 pm

1 stop10h 36m

Washington, D.C. Dulles Intl

Sun 5/18

5:26 pm-1:05 am

1 stop7h 39m

$180

WorcesterWashington, D.C.

ORH - IAD

ORHIAD

Worcester

Fri 8/22

3:08 pm-12:48 pm

2 stops21h 40m

Washington, D.C. Dulles Intl

Mon 8/25

5:20 pm-2:43 pm

2 stops21h 23m

$183

HartfordWashington, D.C.

BDL - IAD

BDLIAD

Hartford Bradley Intl

Thu 6/26

10:34 am-12:00 pm

Nonstop1h 26m

Washington, D.C. Dulles Intl

Sun 6/29

10:24 pm-11:59 pm

Nonstop1h 35m

$189

AlbanyWashington, D.C.

ALB - IAD

ALBIAD

Albany Intl

Sat 5/24

6:18 pm-10:54 pm

1 stop4h 36m

Washington, D.C. Dulles Intl

Wed 5/28

6:00 am-11:52 am

1 stop5h 52m

$199

HartfordWashington, D.C.

BDL - IAD

BDLIAD

Hartford Bradley Intl

Thu 5/22

3:56 pm-11:13 pm

1 stop7h 17m

Washington, D.C. Dulles Intl

Sat 5/24

11:02 am-7:31 pm

1 stop8h 29m

$201

HartfordWashington, D.C.

BDL - IAD

BDLIAD

Hartford Bradley Intl

Sat 7/5

5:35 am-11:33 am

1 stop5h 58m

Washington, D.C. Dulles Intl

Wed 7/9

6:00 am-12:05 pm

1 stop6h 05m

$204

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

Sun 6/8

11:31 am-8:25 pm

1 stop8h 54m

Washington, D.C. Dulles Intl

Sun 6/15

11:52 am-9:25 am

1 stop21h 33m

$208

AlbanyWashington, D.C.

ALB - IAD

ALBIAD

Albany Intl

Wed 7/9

7:36 pm-9:13 pm

Nonstop1h 37m

Washington, D.C. Dulles Intl

Sat 7/12

10:23 pm-11:58 pm

Nonstop1h 35m

$231

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 53 results
1
2
3
...
6

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, August is the cheapest month in which you can book a flight from Massachusetts to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Massachusetts to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $373). 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 May 1, 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.

Weekly flight availability from Massachusetts to Washington, D.C. Dulles Intl Airport

Explore weekly flight availability from Massachusetts to Dulles Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated May 1, 2025.

The most flights from USMA to IAD are scheduled on a Thursday (20 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (11 on average).

Rainfall in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

Temperature in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Dulles Intl. Reviews last updated May 1, 2025.
Peruse reviews from past customers who have flown with Southwest, Delta and United Airlines from Massachusetts to Washington, D.C. to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,294 reviews

Crew

8.6

Food

7.1

Comfort

8.0

Boarding

8.2

Entertainment

7.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Southwest
8.0
Very good
4,294 reviews
Southwest
8.0
Very good
4,294 reviews

Crew

8.6

Food

7.1

Comfort

8.0

Boarding

8.2

Entertainment

7.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Delta
8.0
Very good
7,934 reviews
Southwest
8.0
Very good
4,294 reviews

Crew

8.6

Food

7.1

Comfort

8.0

Boarding

8.2

Entertainment

7.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
United Airlines
7.4
Good
8,696 reviews
Southwest
8.0
Very good
4,294 reviews

Crew

8.6

Food

7.1

Comfort

8.0

Boarding

8.2

Entertainment

7.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Allegiant Air
7.3
Good
734 reviews
Southwest
8.0
Very good
4,294 reviews

Crew

8.6

Food

7.1

Comfort

8.0

Boarding

8.2

Entertainment

7.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,294 reviews

Crew

8.6

Food

7.1

Comfort

8.0

Boarding

8.2

Entertainment

7.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!

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 Allegiant Air and Frontier, 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?

    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%), Air China (100%) or Ethiopian Air (98%) 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 $113. While the most popular route (Boston Logan Intl - Washington, D.C. Dulles Intl) can be booked for $137 on average our data indicates $926 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, August is the cheapest month in which you can book a flight from Massachusetts to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Massachusetts to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $373). 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 Massachusetts?

Book flights to Massachusetts if you plan to visit one of these locations
Alexandria
Arlington
Woodbridge
Tysons
Fairfax
Springfield
Rockville
Fredericksburg
Silver Spring
Gaithersburg
Linthicum Heights
Falls Church
Laurel
Easton
Towson
Herndon
Sterling
Bowie
National Harbor
Oxon Hill

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Massachusetts to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Reagan-National flights
Los Angeles to Dulles Intl flights
Boston to Reagan-National flights
Los Angeles to Baltimore flights
Dallas/Fort Worth to Baltimore flights
Dallas/Fort Worth to Reagan-National flights
San Francisco to Dulles Intl flights
Dallas/Fort Worth to Dulles Intl flights
Seattle to Reagan-National flights
Boston to Baltimore flights
Boston to Dulles Intl flights
San Francisco to Reagan-National flights
O'Hare Intl to Reagan-National flights
Seattle to Dulles Intl flights
O'Hare Intl to Baltimore flights
San Francisco to Baltimore flights
Atlanta to Baltimore flights
Hobby to Baltimore flights
Seattle to Baltimore flights
Atlanta to Dulles Intl flights
San Diego to Dulles Intl flights
Atlanta to Reagan-National flights
O'Hare Intl to Dulles Intl flights
Denver to Baltimore flights
Hobby to Reagan-National flights
Tampa to Dulles Intl flights
Ontario to Dulles Intl flights
George Bush Intcntl to Baltimore flights
San Diego to Reagan-National flights
Minneapolis to Dulles Intl flights
Portland to Dulles Intl flights
Orlando to Baltimore flights
Denver to Dulles Intl flights
Fort Lauderdale to Baltimore flights
Portland to Reagan-National flights
Minneapolis to Reagan-National flights
Midway to Dulles Intl flights
Tampa to Baltimore flights
Burbank to Baltimore flights
Hobby to Dulles Intl flights
Denver to Reagan-National flights
Orlando to Dulles Intl flights
Miami to Baltimore flights
John F Kennedy Intl to Dulles Intl flights
Austin to Dulles Intl flights
Austin to Baltimore flights
Tampa to Reagan-National flights
LaGuardia to Reagan-National flights
Orlando to Reagan-National flights
George Bush Intcntl 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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$47Average$87FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$68Average$236FlexibilityNo cancel feeOn-time62%
DeltaCheapest$108Average$248FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$154Average$276FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.