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

For as low as $157, United Airlines can have you in Boston from Washington, D.C. Dulles Intl Airport in 1h 39m. The distance between Washington, D.C. Dulles Intl Airport and Boston is about 411 mi. All flights are typically nonstop.

What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Boston round-trip?

Our cheapest airline available from Washington, D.C. Dulles Intl Airport to Boston is JetBlue. Our recent data shows that you can find tickets from as low as $63 on this airline. Additional options worth looking into are Spirit Airlines and Delta, starting at $70 and $78 round-trip. JetBlue is 78% cheaper than the average price of flights available within the next 90 days to this destination.

In terms of precipitation, rainfall in Boston ranges from 3.1 - 4.0 inches per month. March is typically the wettest month, when rainfall can reach 4.0 in. July is typically the driest time to visit Boston when rainfall is around 3.1 in.

If weather is an important factor for your trip to Boston, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

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

On average you can expect to pay $440 for a flight from Washington, D.C. Dulles Intl Airport to Boston. The cheapest flight overall is $99 while the most popular route, (Washington, D.C. Dulles Intl - Boston Logan Intl) is currently priced at $157.

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

Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Washington, D.C. Dulles Intl Airport to Boston on time: Egyptair (92%), Avianca (83%), Air China (82%).

What are the most popular airlines that fly from Washington, D.C. Dulles Intl Airport to Boston?

The most popular airlines flying from Washington, D.C. Dulles Intl Airport to Boston are JetBlue, Delta and Frontier. Something to consider prior to booking your flight.

What is the cheapest day to fly round-trip from Washington, D.C. Dulles Intl Airport to Boston?

Flying to your destination on a Saturday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Boston. Check prices with Cheapflights to find a great deal for your trip.

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

Due to multiple factors, expect to potentially pay more when booking in April. For low rates, January can be a great choice for travel to Boston. Flights to Boston from Washington, D.C. Dulles Intl Airport in January are about $204 on average during January, but can be found for as low as $67.

What airport do you fly into for flights to Boston from Washington, D.C. Dulles Intl?

Boston Logan Intl (BOS), located 2.6 mi from the city center, is the airport you fly into when you book flights from Washington, D.C. Dulles Intl to Boston. 5 airlines have flights to Logan Intl from Washington, D.C. Dulles Intl on a regular basis. Booking flights from Washington, D.C. Dulles Intl to Boston Logan Intl should not be difficult; the airport handles an average of 2 inbound flights from Washington, D.C. Dulles Intl per day.

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

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

How can I find direct flights from Dulles Intl to Boston?

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

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

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

$79+ Flights from Washington, D.C. Dulles Intl Airport to Boston

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Dulles Intl to Boston 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.

Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Boston Logan Intl are usually found in January or March, booked 54 days in advance, depart on a Wednesday or Thursday and return on a Friday

Cheap flight deals from Dulles Intl to Boston

Round-trip from	$157 (United Airlines)
One-way from	$79 (United Airlines)
Popular in	May
Cheapest in	January
Average price	$322
Good round-trip deal	$261 or less
Good one-way deal	$153 or less

From Washington, D.C. Dulles Intl to Boston Logan Intl

Search Deals

One-way flight from Washington, D.C. Dulles Intl to Boston Logan Intl

Search Deals

Highest demand for flights based on searches. 6% potential increase in price ($21 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 August 2025

Search Deals

Price to beat on a round-trip flight from Washington, D.C. Dulles Intl to Boston Logan Intl.

Search Deals

Price to beat on a one-way flight from Washington, D.C. Dulles Intl to Boston Logan Intl.

Search Deals

Find flight deals from Dulles Intl to Boston

Cheapest flights from Dulles Intl to Boston
Explore the most affordable flight options available from Dulles Intl to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 19, 2025.

Wed 10/18:50 amIAD - BOS

Nonstop1h 41mUnited Airlines

Wed 10/85:30 amBOS - IAD

Nonstop1h 41mUnited Airlines

Deal found 8/18

$157

Fri 11/78:36 pmIAD - BOS

1 stop11h 52mFrontier

Mon 11/109:55 amBOS - IAD

1 stop6h 39mFrontier

Deal found 8/17

$160

Wed 9/1012:35 pmIAD - BOS

Nonstop1h 38mUnited Airlines

Mon 9/155:30 amBOS - IAD

Nonstop1h 40mUnited Airlines

Deal found 8/18

$162

Wed 9/1012:35 pmIAD - BOS

Nonstop1h 38mUnited Airlines

Thu 9/115:30 amBOS - IAD

Nonstop1h 40mUnited Airlines

Deal found 8/18

$164

Fri 9/51:55 pmIAD - BOS

1 stop17h 48mFrontier

Sun 9/710:13 amBOS - IAD

1 stop11h 06mFrontier

Deal found 8/17

$167

Tue 10/78:50 amIAD - BOS

Nonstop1h 41mUnited Airlines

Tue 10/72:36 pmBOS - IAD

Nonstop1h 44mUnited Airlines

Deal found 8/17

$169

Wed 9/105:53 pmIAD - BOS

1 stop5h 29mUnited Airlines

Sat 9/135:30 amBOS - IAD

Nonstop1h 40mUnited Airlines

Deal found 8/18

$172

Wed 9/1710:18 pmIAD - BOS

Nonstop1h 39mUnited Airlines

Sun 9/215:30 amBOS - IAD

Nonstop1h 40mUnited Airlines

Deal found 8/17

$173

Thu 9/188:40 amIAD - BOS

1 stop4h 44mUnited Airlines

Sat 9/205:30 amBOS - IAD

Nonstop1h 40mUnited Airlines

Deal found 8/18

$177

Fri 9/1910:18 pmIAD - BOS

Nonstop1h 39mUnited Airlines

Sun 9/215:30 amBOS - IAD

Nonstop1h 40mUnited Airlines

Deal found 8/17

$178

Best flights from Dulles Intl to Boston
Discover carefully curated flight deals from Dulles Intl to Boston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 19, 2025.

Wed 9/1010:18 pmIAD - BOS

Nonstop1h 39mUnited Airlines

Wed 9/249:30 amBOS - IAD

Nonstop1h 43mUnited Airlines

Deal found 8/18

$157

Tue 10/289:00 amIAD - BOS

Nonstop1h 38mUnited Airlines

Fri 10/315:30 amBOS - IAD

Nonstop1h 43mUnited Airlines

Deal found 8/18

$162

Wed 9/248:55 amIAD - BOS

Nonstop1h 40mUnited Airlines

Sat 9/275:30 amBOS - IAD

Nonstop1h 41mUnited Airlines

Deal found 8/18

$162

Sat 9/2710:19 pmIAD - BOS

Nonstop1h 40mUnited Airlines

Tue 10/75:30 amBOS - IAD

Nonstop1h 41mUnited Airlines

Deal found 8/18

$162

Tue 10/285:10 pmIAD - BOS

Nonstop1h 38mUnited Airlines

Sat 11/15:30 amBOS - IAD

Nonstop1h 43mUnited Airlines

Deal found 8/18

$162

Wed 9/1012:35 pmIAD - BOS

Nonstop1h 38mUnited Airlines

Sat 9/135:30 amBOS - IAD

Nonstop1h 40mUnited Airlines

Deal found 8/18

$162

Wed 11/510:07 pmIAD - BOS

Nonstop1h 35mUnited Airlines

Sat 11/85:30 amBOS - IAD

Nonstop1h 43mUnited Airlines

Deal found 8/18

$162

Thu 9/1110:18 pmIAD - BOS

Nonstop1h 39mUnited Airlines

Tue 9/165:30 amBOS - IAD

Nonstop1h 40mUnited Airlines

Deal found 8/17

$162

Wed 9/173:55 pmIAD - BOS

Nonstop1h 39mUnited Airlines

Thu 9/185:30 amBOS - IAD

Nonstop1h 40mUnited Airlines

Deal found 8/16

$164

Tue 10/1410:19 pmIAD - BOS

Nonstop1h 40mUnited Airlines

Thu 10/165:30 amBOS - IAD

Nonstop1h 41mUnited Airlines

Deal found 8/18

$164

Wed 9/105:16 pmIAD - BOS

Nonstop1h 39mUnited Airlines

Thu 9/115:30 amBOS - IAD

Nonstop1h 40mUnited Airlines

Deal found 8/16

$164

Last-minute flights from Dulles Intl to Boston
Discover last-minute flight deals from Dulles Intl to Boston. Data last updated August 19, 2025 and is based on user searches.

Fri 9/51:55 pmIAD - BOS

1 stop17h 48mFrontier

Sun 9/710:13 amBOS - IAD

1 stop11h 06mFrontier

Deal found 8/17

$167

Fri 9/53:55 pmIAD - BOS

Nonstop1h 39mUnited Airlines

Sat 9/135:30 amBOS - IAD

Nonstop1h 40mUnited Airlines

Deal found 8/17

$182

Wed 9/1010:18 pmIAD - BOS

Nonstop1h 39mUnited Airlines

Wed 9/249:30 amBOS - IAD

Nonstop1h 43mUnited Airlines

Deal found 8/18

$157

Wed 9/1012:35 pmIAD - BOS

Nonstop1h 38mUnited Airlines

Sat 9/135:30 amBOS - IAD

Nonstop1h 40mUnited Airlines

Deal found 8/18

$162

Wed 9/1012:35 pmIAD - BOS

Nonstop1h 38mUnited Airlines

Thu 9/115:30 amBOS - IAD

Nonstop1h 40mUnited Airlines

Deal found 8/18

$164

Wed 9/1710:18 pmIAD - BOS

Nonstop1h 39mUnited Airlines

Sun 9/215:30 amBOS - IAD

Nonstop1h 40mUnited Airlines

Deal found 8/17

$173

Thu 9/188:40 amIAD - BOS

1 stop4h 44mUnited Airlines

Mon 9/225:30 amBOS - IAD

Nonstop1h 40mUnited Airlines

Deal found 8/18

$177

Fri 9/1910:18 pmIAD - BOS

Nonstop1h 39mUnited Airlines

Sun 9/215:30 amBOS - IAD

Nonstop1h 40mUnited Airlines

Deal found 8/17

$178

One-way flights from Dulles Intl to Boston
Search for one-way flight options from Dulles Intl to Boston. Find affordable one-way fares based on user searches. Data last updated August 19, 2025.

Tue 9/3010:19 pmIAD - BOS

Nonstop1h 40mUnited Airlines

Deal found 8/18

$79

Fri 9/51:55 pmIAD - BOS

1 stop17h 48mFrontier

Deal found 8/17

$85

Sat 9/2710:19 pmIAD - BOS

Nonstop1h 40mUnited Airlines

Deal found 8/17

$86

Fri 9/128:59 pmIAD - BOS

1 stop11h 12mFrontier

Deal found 8/17

$89

Sun 10/198:02 pmIAD - BOS

1 stop12h 31mFrontier

Deal found 8/17

$91

Mon 9/157:14 pmIAD - BOS

1 stop18h 34mMultiple Airlines

Deal found 8/17

$93

Wed 10/810:19 pmIAD - BOS

Nonstop1h 40mUnited Airlines

Deal found 8/15

$94

Mon 9/87:14 pmIAD - BOS

1 stop18h 34mMultiple Airlines

Deal found 8/16

$95

Tue 11/258:45 amIAD - BOS

1 stop3h 43mUnited Airlines

Deal found 8/17

$99

Fri 10/315:33 pmIAD - BOS

1 stop5h 14mUnited Airlines

Deal found 8/15

$100

Thu 9/1810:18 pmIAD - BOS

Nonstop1h 39mUnited Airlines

Deal found 8/17

$101

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Boston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Wed 9/10

10:18 pm-11:57 pm

Nonstop1h 39m

Boston Logan Intl

Wed 9/24

9:30 am-11:13 am

Nonstop1h 43m

$157

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Tue 10/28

9:00 am-10:38 am

Nonstop1h 38m

Boston Logan Intl

Fri 10/31

5:30 am-7:13 am

Nonstop1h 43m

$162

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Wed 9/24

8:55 am-10:35 am

Nonstop1h 40m

Boston Logan Intl

Sat 9/27

5:30 am-7:11 am

Nonstop1h 41m

$162

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Sat 9/27

10:19 pm-11:59 pm

Nonstop1h 40m

Boston Logan Intl

Tue 10/7

5:30 am-7:11 am

Nonstop1h 41m

$162

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Tue 10/28

5:10 pm-6:48 pm

Nonstop1h 38m

Boston Logan Intl

Sat 11/1

5:30 am-7:13 am

Nonstop1h 43m

$162

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Wed 9/10

12:35 pm-2:13 pm

Nonstop1h 38m

Boston Logan Intl

Sat 9/13

5:30 am-7:10 am

Nonstop1h 40m

$162

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Wed 11/5

10:07 pm-11:42 pm

Nonstop1h 35m

Boston Logan Intl

Sat 11/8

5:30 am-7:13 am

Nonstop1h 43m

$162

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Thu 9/11

10:18 pm-11:57 pm

Nonstop1h 39m

Boston Logan Intl

Tue 9/16

5:30 am-7:10 am

Nonstop1h 40m

$162

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Wed 9/17

3:55 pm-5:34 pm

Nonstop1h 39m

Boston Logan Intl

Thu 9/18

5:30 am-7:10 am

Nonstop1h 40m

$164

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Tue 10/14

10:19 pm-11:59 pm

Nonstop1h 40m

Boston Logan Intl

Thu 10/16

5:30 am-7:11 am

Nonstop1h 41m

$164

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/16

Showing 1-10 of 15 results

The best insider tips for Washington, D.C. Dulles Intl Airport to Boston flights

Cheapflights partnered with top experts to bring you the best recommendations for your Washington, D.C. Dulles Intl Airport to Boston trip

Airports

IAD

For a smooth departure, use the Aerotrain to navigate between terminals, but allow extra time for long walks and escalators.

BOS

At BOS, rideshares like Uber and Lyft are convenient, but allow extra time for traffic and navigating pickup points.

Our travel experts

Paul Rubio

Expert on BOS

Ramsey Qubein

Expert on IAD

Best time to book a flight from Dulles Intl to Boston

Have a flexible travel schedule? Discover the best time to fly to Boston from Dulles Intl 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 Washington, D.C. Dulles Intl Airport to Boston

How far ahead should I book a flight from Washington, D.C. Dulles Intl Airport to Boston?

To ensure you get the cheapest price possible for a flight from Washington, D.C. Dulles Intl Airport to Boston, you should look to book at least 54 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Boston (average of $218). Flying from Washington, D.C. Dulles Intl Airport to Boston in July is currently the most expensive (average of $311). 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 IAD to BOS?

When flying from Washington, D.C. Dulles Intl Airport to Boston, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 30% versus a flight in the afternoon.

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

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

Reviews of airlines servicing Boston

Get a feel of what it's like to fly with Delta, United Airlines, and JetBlue from Washington, D.C. Dulles Intl Airport to Boston by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,981 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very good

7,981 reviews

Delta

8.0

Very good

7,981 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

United Airlines

7.4

Good

8,922 reviews

Delta

8.0

Very good

7,981 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

JetBlue

7.2

Good

2,915 reviews

Delta

8.0

Very good

7,981 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Spirit Airlines

6.3

Okay

8,037 reviews

Delta

8.0

Very good

7,981 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Frontier

5.8

Fair

3,211 reviews

Delta

8.0

Very good

7,981 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

What airport do you fly into for flights to Boston from Washington, D.C. Dulles Intl?
Boston Logan Intl (BOS), located 2.6 mi from the city center, is the airport you fly into when you book flights from Washington, D.C. Dulles Intl to Boston. 5 airlines have flights to Logan Intl from Washington, D.C. Dulles Intl on a regular basis. Booking flights from Washington, D.C. Dulles Intl to Boston Logan Intl should not be difficult; the airport handles an average of 2 inbound flights from Washington, D.C. Dulles Intl per day.
How long is the flight from Washington, D.C. Dulles Intl Airport to Boston?
For as low as $157, United Airlines can have you in Boston from Washington, D.C. Dulles Intl Airport in 1h 39m. The distance between Washington, D.C. Dulles Intl Airport and Boston is about 411 mi. All flights are typically nonstop.
What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Boston round-trip?
Our cheapest airline available from Washington, D.C. Dulles Intl Airport to Boston is JetBlue. Our recent data shows that you can find tickets from as low as $63 on this airline. Additional options worth looking into are Spirit Airlines and Delta, starting at $70 and $78 round-trip. JetBlue is 78% cheaper than the average price of flights available within the next 90 days to this destination.
What are the most reliable airlines from Washington, D.C. Dulles Intl Airport to Boston?
Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Washington, D.C. Dulles Intl Airport to Boston on time: Egyptair (92%), Avianca (83%), Air China (82%).
What are the cheapest flights from Washington, D.C. Dulles Intl Airport to Boston?
On average you can expect to pay $440 for a flight from Washington, D.C. Dulles Intl Airport to Boston. The cheapest flight overall is $99 while the most popular route, (Washington, D.C. Dulles Intl - Boston Logan Intl) is currently priced at $157.
Can I find deals for flights from Dulles Intl to Boston that include hotel bookings?
Yes. In addition to deals on Dulles Intl to Boston flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Dulles Intl to Boston?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Boston.
Can I find deals for business class flights from Dulles Intl to Boston?
Yes. Cheapflights offers flight deals from Dulles Intl to Boston 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 Washington, D.C. Dulles Intl Airport to Boston?
Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Boston (average of $218). Flying from Washington, D.C. Dulles Intl Airport to Boston in July is currently the most expensive (average of $311). 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

Cambridge

Medford

Watertown

Hampton Beach

Waltham

Seabrook

Lowell

Lincoln

Smithfield

Cranston

Chestnut Hill

Warwick

Peabody

Quincy

York Beach

Chelsea

Swansea

Saugus

Burlington

Braintree

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Dulles Intl to Boston

Other flights to Boston

Complete your trip

Boston car rentals

Boston Logan Intl Airport car rentals

Providence-TFGreen Airport car rentals

Manchester Airport car rentals

Bedford Hanscom Field Airport car rentals

Worcester car rentals

Springfield car rentals

Hyannis car rentals

Downtown car rentals

Back Bay car rentals

Seaport District car rentals

North End car rentals

Top 5 airlines flying from Dulles Intl to Boston

Airline	Cheapest	Average	Flexibility	On-time
JetBlue	Cheapest$63	Average$206	FlexibilityNo cancel fee	On-time62%
Spirit Airlines	Cheapest$70	Average$131	FlexibilityNo cancel fee	On-time65%
Delta	Cheapest$78	Average$238	FlexibilityNo cancel fee	On-timeN/A
Frontier	Cheapest$116	Average$258	FlexibilityNo cancel fee	On-time62%
United Airlines	Cheapest$147	Average$294	FlexibilityNo cancel fee	On-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.

$79+ Cheap flights from Dulles Intl (IAD) to Boston (BOS)

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 9/30. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Dulles Intl to Boston with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Boston Logan Intl are usually found in January or March, booked 54 days in advance, depart on a Wednesday or Thursday and return on a Friday

Cheap flight deals from Dulles Intl to Boston

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Dulles Intl to Boston

Cheapest flights from Dulles Intl to BostonExplore the most affordable flight options available from Dulles Intl to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 19, 2025.

Explore the most affordable flight options available from Dulles Intl to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 19, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Boston that are best for you.

The best insider tips for Washington, D.C. Dulles Intl Airport to Boston flights

Cheapflights partnered with top experts to bring you the best recommendations for your Washington, D.C. Dulles Intl Airport to Boston trip

Airports

IAD

BOS

Our travel experts

Best time to book a flight from Dulles Intl to Boston

Have a flexible travel schedule? Discover the best time to fly to Boston from Dulles Intl with our price prediction graph.

Cheapflights Insights

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

How far ahead should I book a flight from Washington, D.C. Dulles Intl Airport to Boston?

Use this chart to determine the optimal time to book a round-trip flight from Dulles Intl to Boston. Price data was last updated on August 8, 2025.

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

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

Find hourly flight availability from Dulles Intl to Boston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 19, 2025.

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

Use this chart to determine the cheapest time to fly round-trip from Dulles Intl to Boston. Price data was last updated on August 17, 2025.

Reviews of airlines servicing Boston

Get a feel of what it's like to fly with Delta, United Airlines, and JetBlue from Washington, D.C. Dulles Intl Airport to Boston by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

What airport do you fly into for flights to Boston from Washington, D.C. Dulles Intl?

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

What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Boston round-trip?

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

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

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

How can I find direct flights from Dulles Intl to Boston?

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

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

Traveling to a place near Boston?

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 Dulles Intl to Boston

See prices for flight routes from nearby airports that may be better suited for you.

Top 5 airlines flying from Dulles Intl to Boston

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Dulles Intl to Boston
Explore the most affordable flight options available from Dulles Intl to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 19, 2025.