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.

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 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.

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.

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.

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 125 minutes.

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.

$85 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 day?

11 flights are operational daily from Washington, D.C. Dulles Intl Airport to Boston as of February 2026. The most popular departure time for this route is 5:00PM, with 74% of flights per day taking off in the afternoon.

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

81 flights are operational weekly from Washington, D.C. Dulles Intl Airport to Boston as of February 2026. The most popular departure day for this route is Fri, with 19% 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

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Enter your travel dates to find the best prices.

12:59 pm - 1:31 am

IAD

BOS

12h 32m

1 stop

12:42 pm - 12:36 am

BOS

IAD

11h 54m

1 stop

$160Frontier

Fri, May 1 - Mon, May 4

3:15 pm - 1:26 am

IAD

BOS

10h 11m

1 stop

12:55 pm - 12:36 am

BOS

IAD

11h 41m

1 stop

$161Frontier

Wed, Apr 8 - Wed, Apr 15

5:44 pm - 1:26 am

IAD

BOS

7h 42m

1 stop

12:52 pm - 12:36 am

BOS

IAD

11h 44m

1 stop

$168Frontier

Fri, Apr 10 - Tue, Apr 14

12:59 pm - 1:31 am

IAD

BOS

12h 32m

1 stop

11:06 am - 9:07 am

BOS

IAD

22h 01m

1 stop

$171Frontier

Fri, May 1 - Sat, May 2

6:00 am - 11:59 pm

IAD

BOS

17h 59m

2 stops

12:52 pm - 12:36 am

BOS

IAD

11h 44m

1 stop

$172Multiple Airlines

Tue, Apr 7 - Tue, Apr 14

10:20 pm - 11:57 pm

IAD

BOS

1h 37mnonstop

5:45 am - 7:29 am

BOS

IAD

1h 44mnonstop

$177United Airlines

Thu, Mar 19 - Sat, Mar 21

6:00 am - 11:59 pm

IAD

BOS

17h 59m

2 stops

12:52 pm - 12:36 am

BOS

IAD

11h 44m

1 stop

$179Multiple Airlines

Tue, Apr 7 - Tue, Apr 14

7:27 pm - 1:31 am

IAD

BOS

6h 04m

1 stop

12:42 pm - 12:36 am

BOS

IAD

11h 54m

1 stop

$181Frontier

Thu, Apr 30 - Fri, May 1

10:20 pm - 11:57 pm

IAD

BOS

1h 37mnonstop

2:15 pm - 3:59 pm

BOS

IAD

1h 44mnonstop

$182United Airlines

Wed, Mar 25 - Thu, Mar 26

6:20 am - 11:41 am

IAD

BOS

29h 21m

1 stop

11:51 am - 12:21 am

BOS

IAD

12h 30m

1 stop

$184Frontier

Mon, Mar 16 - Wed, Mar 18

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 1

IAD12:59 pmWashington, D.C. Dulles Intl

12h 32m

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

$160

Frontier

Apr 8

IAD3:15 pmWashington, D.C. Dulles Intl

10h 11m

1 stop

BOS1:26 amBoston Logan Intl

Apr 15

BOS12:55 pmBoston Logan Intl

11h 41m

1 stop

IAD12:36 amWashington, D.C. Dulles Intl

$161

Frontier

Apr 10

IAD5:44 pmWashington, D.C. Dulles Intl

7h 42m

1 stop

BOS1:26 amBoston Logan Intl

Apr 14

BOS12:52 pmBoston Logan Intl

11h 44m

1 stop

IAD12:36 amWashington, D.C. Dulles Intl

$168

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

Apr 1

IAD12:59 pmWashington, D.C. Dulles Intl

1h 43m

BOS2:42 pmBoston Logan Intl

Apr 3

BOS5:45 amBoston Logan Intl

1h 40m

IAD7:25 amWashington, D.C. Dulles Intl

$177

United Airlines

Mar 25

IAD10:20 pmWashington, D.C. Dulles Intl

1h 37m

BOS11:57 pmBoston Logan Intl

Mar 27

BOS5:45 amBoston Logan Intl

1h 44m

IAD7:29 amWashington, D.C. Dulles Intl

$182

United Airlines

Mar 15

IAD10:20 pmWashington, D.C. Dulles Intl

1h 37m

BOS11:57 pmBoston Logan Intl

Mar 21

BOS5:45 amBoston Logan Intl

1h 44m

IAD7:29 amWashington, D.C. Dulles Intl

$185

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

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Fly to

Route

Depart

Return

Price

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Fri 5/1

12:59 pm-1:31 am

1 stop12h 32m

Boston Logan Intl

Mon 5/4

12:42 pm-12:36 am

1 stop11h 54m

$160

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Wed 4/8

3:15 pm-1:26 am

1 stop10h 11m

Boston Logan Intl

Wed 4/15

12:55 pm-12:36 am

1 stop11h 41m

$161

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Fri 4/10

5:44 pm-1:26 am

1 stop7h 42m

Boston Logan Intl

Tue 4/14

12:52 pm-12:36 am

1 stop11h 44m

$168

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Fri 5/1

12:59 pm-1:31 am

1 stop12h 32m

Boston Logan Intl

Sat 5/2

11:06 am-9:07 am

1 stop22h 01m

$171

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Tue 4/7

6:00 am-11:59 pm

2 stops17h 59m

Boston Logan Intl

Tue 4/14

12:52 pm-12:36 am

1 stop11h 44m

$172

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Thu 3/19

10:20 pm-11:57 pm

Nonstop1h 37m

Boston Logan Intl

Sat 3/21

5:45 am-7:29 am

Nonstop1h 44m

$177

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Tue 4/7

6:00 am-11:59 pm

2 stops17h 59m

Boston Logan Intl

Tue 4/14

12:52 pm-12:36 am

1 stop11h 44m

$179

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Thu 4/30

7:27 pm-1:31 am

1 stop6h 04m

Boston Logan Intl

Fri 5/1

12:42 pm-12:36 am

1 stop11h 54m

$181

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Wed 3/25

10:20 pm-11:57 pm

Nonstop1h 37m

Boston Logan Intl

Thu 3/26

2:15 pm-3:59 pm

Nonstop1h 44m

$182

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Mon 3/16

6:20 am-11:41 am

1 stop29h 21m

Boston Logan Intl

Wed 3/18

11:51 am-12:21 am

1 stop12h 30m

$184

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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 $245.

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 $412 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 $280 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 February 2026, prices for Washington, D.C. Dulles Intl Airport to Boston flights are approximately 60% 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	$143
Fastest flight time	1h 36m
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 $143. The best round-trip flight deal from Washington, D.C. Dulles Intl Airport to Boston found on momondo in the last 72 hours is $214.

The fastest flight from Washington, D.C. Dulles Intl Airport to Boston takes 1h 36m

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 36m 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 February 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 18.44% of all bookings. The subsequent popular models are Airbus A220-300 at 13.06%, Boeing 737-800 at 12.51%, and Embraer 175 at 11.72%.
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 8,483 reviews	Search Spirit Airlines flights
Delta	PriceFrom $78	Free Cancellation	Rating 7.9 8,240 reviews	Search Delta flights
Frontier	PriceFrom $86	Free Cancellation	Rating 5.7 3,045 reviews	Search Frontier flights
JetBlue	PriceFrom $134	Free Cancellation	Rating 7.2 2,898 reviews	Search JetBlue flights
United Airlines	PriceFrom $148	Free Cancellation	Rating 7.4 9,341 reviews	Search United Airlines flights

United Airlines Flights From Washington, D.C. Dulles Intl Airport to Boston
United Airlines operates around 18 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 $285, but momondo users have found United Airlines deals from Washington, D.C. Dulles Intl Airport to Boston from as low as $148 round-trip. United Airlines has been scored 7.4/10 in 9,341 reviews.

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Old Orchard Beach

Hampton

York Beach

Kennebunkport

Plymouth

Cambridge

South Yarmouth

Narragansett

Gloucester

Falmouth

Brockton

Laconia

Warwick

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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West Tisbury Martha's Vineyard Airport

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Cheap flights from Washington, D.C. Dulles Intl Airport to Boston from $85

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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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Why use momondo?

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

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

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

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

An easier way to manage your Boston trip

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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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