What day of the week experiences the fewest flight delays on this route?

Saturday is statistically the day of the week which experiences the fewest number of delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

What is the cheapest airline that flies from Washington, D.C. Dulles Intl to Boston Logan Intl?

United Airlines is the most popular carrier operating from Washington, D.C. Dulles Intl to Boston Logan Intl

What airlines fly to Boston?

United Airlines, JetBlue and Delta are the top three most popular airlines that fly to Boston from Washington, D.C. Dulles Intl Airport according to our data. United Airlines is the first choice among our users, with 97% of people opting to fly with this airline when traveling to Boston. Keep in mind that there are 5 different airlines that fly to Boston on a routine basis, so you have a few additional options to choose from.

Which airline has the best punctuality record on Washington, D.C. to Boston flights?

According to our data, United Airlines have had the least number of delays on this route over the last 12 months; with about 17% of their flights experiencing any sort of delay.

How often are flights from Washington, D.C. to Boston delayed?

Historically, on average around 18% of flights between Washington, D.C. and Boston have experienced a delay on any given week. The average delay length over the past 12 months has been 126 minutes.

What is the most punctual flight time for Washington, D.C. to Boston flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.

When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Boston Logan Intl Airport?

Prices for flights from Washington, D.C. Dulles Intl Airport to Boston Logan Intl Airport are refreshed on a daily basis.

What documentation or ID do you need to fly to Boston Logan Intl Airport?

The necessary travel and health documents for your Boston Logan Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$89 Cheap Flights from Washington, D.C. Dulles Intl Airport to Boston in 2026

Q: How many flights depart from Washington, D.C. Dulles Intl Airport to Boston on average per week?

77 flights are operational weekly from Washington, D.C. Dulles Intl Airport to Boston as of March 2026. The most popular departure day for this route is Wed, with 18% of flights per week taking off on this day.

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Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Boston

Round-trip

One-way

Last minute

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Cheap round-trip flights

Enter your travel dates to find the best prices.

10:10 pm - 11:59 pm

IAD

BOS

1h 49mnonstop

5:45 am - 7:23 am

BOS

IAD

1h 38mnonstop

$171United Airlines

Sat, May 23 - Tue, May 26

10:15 pm - 11:59 pm

IAD

BOS

1h 44mnonstop

5:45 am - 7:25 am

BOS

IAD

1h 40mnonstop

$177United Airlines

Mon, Apr 6 - Mon, Apr 13

6:17 pm - 1:24 am

IAD

BOS

7h 07m

1 stop

9:18 am - 4:21 pm

BOS

IAD

7h 03m

1 stop

$180Frontier

Mon, May 11 - Tue, May 12

5:41 pm - 9:54 pm

IAD

BOS

4h 13m

1 stop

2:37 pm - 4:23 pm

BOS

IAD

1h 46mnonstop

$181United Airlines

Tue, Apr 7 - Tue, Apr 28

6:19 pm - 1:31 am

IAD

BOS

7h 12m

1 stop

12:55 pm - 12:36 am

BOS

IAD

11h 41m

1 stop

$182Frontier

Mon, Apr 20 - Wed, Apr 22

10:10 pm - 11:59 pm

IAD

BOS

1h 49mnonstop

5:45 am - 7:23 am

BOS

IAD

1h 38mnonstop

$184United Airlines

Thu, May 28 - Sun, May 31

5:41 pm - 9:54 pm

IAD

BOS

4h 13m

1 stop

5:45 am - 7:25 am

BOS

IAD

1h 40mnonstop

$186United Airlines

Tue, Apr 7 - Tue, Apr 14

10:15 pm - 11:59 pm

IAD

BOS

1h 44mnonstop

9:30 am - 11:13 am

BOS

IAD

1h 43mnonstop

$189United Airlines

Fri, May 1 - Sat, May 9

10:15 pm - 11:59 pm

IAD

BOS

1h 44mnonstop

5:45 am - 7:24 am

BOS

IAD

1h 39mnonstop

$190United Airlines

Thu, May 14 - Sun, May 17

10:15 pm - 11:59 pm

IAD

BOS

1h 44mnonstop

5:45 am - 7:25 am

BOS

IAD

1h 40mnonstop

$191United Airlines

Thu, Apr 2 - Sat, Apr 4

United Airlines flights from Washington, D.C. Dulles Intl Airport to Boston

Our best United Airlines deals on Washington, D.C. Dulles Intl Airport to Boston flight tickets

United Airlines

May 23

IAD10:10 pmWashington, D.C. Dulles Intl

1h 49m

BOS11:59 pmBoston Logan Intl

May 26

BOS5:45 amBoston Logan Intl

1h 38m

IAD7:23 amWashington, D.C. Dulles Intl

$171

United Airlines

Apr 6

IAD10:15 pmWashington, D.C. Dulles Intl

1h 44m

BOS11:59 pmBoston Logan Intl

Apr 13

BOS5:45 amBoston Logan Intl

1h 40m

IAD7:25 amWashington, D.C. Dulles Intl

$177

United Airlines

Apr 7

IAD5:41 pmWashington, D.C. Dulles Intl

4h 13m

1 stop

BOS9:54 pmBoston Logan Intl

Apr 28

BOS2:37 pmBoston Logan Intl

1h 46m

IAD4:23 pmWashington, D.C. Dulles Intl

$181

Frontier flights from Washington, D.C. Dulles Intl Airport to Boston

Our best Frontier deals on Washington, D.C. Dulles Intl Airport to Boston flight tickets

Frontier

May 11

IAD6:17 pmWashington, D.C. Dulles Intl

7h 07m

1 stop

BOS1:24 amBoston Logan Intl

May 12

BOS9:18 amBoston Logan Intl

7h 03m

1 stop

IAD4:21 pmWashington, D.C. Dulles Intl

$180

Frontier

Apr 20

IAD6:19 pmWashington, D.C. Dulles Intl

7h 12m

1 stop

BOS1:31 amBoston Logan Intl

Apr 22

BOS12:55 pmBoston Logan Intl

11h 41m

1 stop

IAD12:36 amWashington, D.C. Dulles Intl

$182

Frontier

Apr 30

IAD7:27 pmWashington, D.C. Dulles Intl

6h 04m

1 stop

BOS1:31 amBoston Logan Intl

May 4

BOS12:42 pmBoston Logan Intl

11h 54m

1 stop

IAD12:36 amWashington, D.C. Dulles Intl

$203

momondo 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

Cheapest round-trip

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Sat 5/23

10:10 pm-11:59 pm

Nonstop1h 49m

Boston Logan Intl

Tue 5/26

5:45 am-7:23 am

Nonstop1h 38m

$171

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Mon 4/6

10:15 pm-11:59 pm

Nonstop1h 44m

Boston Logan Intl

Mon 4/13

5:45 am-7:25 am

Nonstop1h 40m

$177

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Mon 5/11

6:17 pm-1:24 am

1 stop7h 07m

Boston Logan Intl

Tue 5/12

9:18 am-4:21 pm

1 stop7h 03m

$180

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Tue 4/7

5:41 pm-9:54 pm

1 stop4h 13m

Boston Logan Intl

Tue 4/28

2:37 pm-4:23 pm

Nonstop1h 46m

$181

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Mon 4/20

6:19 pm-1:31 am

1 stop7h 12m

Boston Logan Intl

Wed 4/22

12:55 pm-12:36 am

1 stop11h 41m

$182

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Thu 5/28

10:10 pm-11:59 pm

Nonstop1h 49m

Boston Logan Intl

Sun 5/31

5:45 am-7:23 am

Nonstop1h 38m

$184

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Tue 4/7

5:41 pm-9:54 pm

1 stop4h 13m

Boston Logan Intl

Tue 4/14

5:45 am-7:25 am

Nonstop1h 40m

$186

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Fri 5/1

10:15 pm-11:59 pm

Nonstop1h 44m

Boston Logan Intl

Sat 5/9

9:30 am-11:13 am

Nonstop1h 43m

$189

Quickest round-trip

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Thu 5/14

10:15 pm-11:59 pm

Nonstop1h 44m

Boston Logan Intl

Sun 5/17

5:45 am-7:24 am

Nonstop1h 39m

$190

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Thu 4/2

10:15 pm-11:59 pm

Nonstop1h 44m

Boston Logan Intl

Sat 4/4

5:45 am-7:25 am

Nonstop1h 40m

$191

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Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to Boston

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Delays

Other information

What is the cheapest month to fly to Boston?

In general, January is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Boston. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $214. If you aren’t able to travel during the month of January, then book flights to Boston from Washington, D.C. Dulles Intl Airport during September instead. Flights to Boston in September, while not as cheap as those in January, still average around $252.

What is the cheapest day to depart on your flight to Boston?

The cheapest day to depart from Washington, D.C. Dulles Intl Airport to Boston is on a Thursday when prices can be found for as low as $278. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Boston on Sunday is $375.

What is the cheapest time of day to depart on your flight to Boston?

According to our data, the cheapest time of day to fly to Boston is in the evening. momondo users have found flights departing from Washington, D.C. Dulles Intl Airport to Boston in the evening for as low as $255. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the afternoon is when there is more demand to fly to Boston, so prices are often more expensive at around $410 per ticket.

What is the cheapest Washington, D.C. Dulles Intl to Boston Logan Intl flight route?

Fly from Washington, D.C. Dulles Intl to Boston Logan Intl for the best Washington, D.C. Dulles Intl - Boston Logan Intl flight prices

How far in advance should I book a flight to Boston?

You are more likely to see cheaper flights to Boston from Washington, D.C. Dulles Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Boston for around $284 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Boston from Washington, D.C. Dulles Intl Airport for as low as $158 on momondo.

What cabin class options are available on Washington, D.C. Dulles Intl to Boston Logan Intl flights?

There are 4 cabin classes available to choose from on Washington, D.C. Dulles Intl to Boston Logan Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Washington, D.C. Dulles Intl Airport to Boston flights?

No. A direct flight is the cheapest option for a flight between Washington, D.C. Dulles Intl Airport to Boston.

How have Washington, D.C. Dulles Intl Airport to Boston flight prices changed over time?

As of March 2026, prices for Washington, D.C. Dulles Intl Airport to Boston flights are approximately 11% more expensive when compared to flights at the same time last year.

When to book flights from Washington, D.C. Dulles Intl Airport to Boston

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Dulles Intl Airport to Boston according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Washington, D.C. Dulles Intl Airport to Boston (IAD to BOS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to Boston

Best Price Found	$154
Fastest flight time	1h 30m
Direct flights	Every day
Airports in Boston	1 airport

The best one-way flight to Boston from Washington, D.C. Dulles Intl Airport in the past 72 hours is $154. The best round-trip flight deal from Washington, D.C. Dulles Intl Airport to Boston found on momondo in the last 72 hours is $257.

The fastest flight from Washington, D.C. Dulles Intl Airport to Boston takes 1h 30m

Direct flights go from Washington, D.C. Dulles Intl Airport to Boston every day.

There is 1 airport in Boston. From Washington, D.C. Dulles Intl Airport there are direct flights to Boston Logan Intl (BOS).

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How far is Washington, D.C. Dulles Intl to Boston Logan Intl by plane?
The distance between Washington, D.C. Dulles Intl and Boston Logan Intl is about 409.1 mi. 1h 30m is a normal flight duration for this route.
When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Boston Logan Intl Airport?
Prices for flights from Washington, D.C. Dulles Intl Airport to Boston Logan Intl Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to Boston Logan Intl Airport?
The number of operators available for flights from Washington, D.C. Dulles Intl Airport to Boston Logan Intl Airport is 5 as of March 2026.
How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Boston Logan Intl Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Dulles Intl Airport to Boston Logan Intl Airport.
What documentation or ID do you need to fly to Boston Logan Intl Airport?
The necessary travel and health documents for your Boston Logan Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Washington, D.C. Dulles Intl Airport to Boston?
momondo data reveals that the most frequently booked plane model on the route from Washington, D.C. Dulles Intl Airport to Boston is Boeing 737-900, representing 18.60% of all bookings. The subsequent popular models are Boeing 737 MAX 9 at 12.98%, Boeing 737-800 at 12.98%, and Embraer 175 at 12.80%.
What is the most popular airline from Washington, D.C. Dulles Intl Airport to Boston?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Washington, D.C. Dulles Intl Airport to Boston is United Airlines (95% of total bookings). The next most popular airlines are JetBlue (2%), Delta (1%), and Spirit Airlines (1%).

Best airlines flying from Washington, D.C. Dulles Intl Airport to Boston

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Boston with momondo

Airline	Rating	Free Cancellation	Price
Spirit Airlines	PriceFrom $69	Free Cancellation	Rating 6.3 8,518 reviews	Search Spirit Airlines flights
Frontier	PriceFrom $86	Free Cancellation	Rating 5.7 3,034 reviews	Search Frontier flights
Delta	PriceFrom $121	Free Cancellation	Rating 7.9 8,284 reviews	Search Delta flights
JetBlue	PriceFrom $137	Free Cancellation	Rating 7.2 2,903 reviews	Search JetBlue flights
United Airlines	PriceFrom $150	Free Cancellation	Rating 7.4 9,418 reviews	Search United Airlines flights

United Airlines Flights From Washington, D.C. Dulles Intl Airport to Boston
United Airlines operates around 16 flights from Washington, D.C. Dulles Intl Airport to Boston every week. The average price of these flights found in the last 72 hours has been $286, but momondo users have found United Airlines deals from Washington, D.C. Dulles Intl Airport to Boston from as low as $150 round-trip. United Airlines has been scored 7.4/10 in 9,418 reviews.

Hampton Beach

Salem

Ogunquit

Old Orchard Beach

Hampton

York Beach

Kennebunkport

Plymouth

Cambridge

South Yarmouth

Narragansett

Gloucester

Falmouth

Brockton

Warwick

Laconia

Nashua

Chatham

Sturbridge

Everett

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Boston?

It is quick and easy to find Washington, D.C. to Boston flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Boston that suits you.

Can I find flights from Washington, D.C. to Boston with flexible booking policies on momondo?

Flights from Washington, D.C. to Boston with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Washington, D.C. to Boston?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Boston from Washington, D.C..

I’m not ready to book a flight from Washington, D.C. to Boston right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Washington, D.C. to Boston now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Boston and let you know when they change.

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Airports servicing Massachusetts

Nantucket Memorial Airport

Bedford Hanscom Field Airport

Beverly Airport

New Bedford Regional Airport

Hyannis Barnstable Airport

West Tisbury Martha's Vineyard Airport

Worcester Airport

Norwood Memorial Airport

Provincetown Airport

Cape Cod and the Islands Airport

Nantucket Island Airport

Cheap flights from Washington, D.C. Dulles Intl Airport to Boston from $89

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United Airlines flights from Washington, D.C. Dulles Intl Airport to Boston

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How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to Boston

What is the cheapest month to fly to Boston?

What is the cheapest day to depart on your flight to Boston?

What is the cheapest time of day to depart on your flight to Boston?

What is the cheapest Washington, D.C. Dulles Intl to Boston Logan Intl flight route?

How far in advance should I book a flight to Boston?

What cabin class options are available on Washington, D.C. Dulles Intl to Boston Logan Intl flights?

Can stopping save me money on Washington, D.C. Dulles Intl Airport to Boston flights?

How have Washington, D.C. Dulles Intl Airport to Boston flight prices changed over time?

What is the cheapest airline that flies from Washington, D.C. Dulles Intl to Boston Logan Intl?

What airlines fly to Boston?

How often are flights from Washington, D.C. to Boston delayed?

What is the most punctual flight time for Washington, D.C. to Boston flights?

What day of the week experiences the fewest flight delays on this route?

Which airline has the best punctuality record on Washington, D.C. to Boston flights?

How many flights depart from Washington, D.C. Dulles Intl Airport to Boston on average per day?

How many flights depart from Washington, D.C. Dulles Intl Airport to Boston on average per week?

When to book flights from Washington, D.C. Dulles Intl Airport to Boston

Cheap Washington, D.C. Dulles Intl Airport to Boston (IAD to BOS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to Boston

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Best airlines flying from Washington, D.C. Dulles Intl Airport to Boston

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United Airlines Flights From Washington, D.C. Dulles Intl Airport to Boston

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List of cabin classes available on flights landing in Boston. Availability may vary depending on flight origin and airline.

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