What airlines fly to Washington, D.C. Dulles Intl Airport?

United Airlines, JetBlue and Delta are the top three most popular airlines that fly to Washington, D.C. Dulles Intl Airport from Boston according to our data. United Airlines is the first choice among our users, with 98% of people opting to fly with this airline when traveling to Washington, D.C. Dulles Intl Airport. Keep in mind that there are 3 different airlines that fly to Washington, D.C. Dulles Intl Airport on a routine basis, so you have a few additional options to choose from.

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

As of June 2026, there are 125 flights per week flying from Boston to Washington, D.C. Dulles Intl Airport. The most common day of the week flights depart is Tue, with 16% of flights taking off on this day.

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

The number of flights available between Boston and Washington, D.C. Dulles Intl Airport is 17 per day as of June 2026. The most frequent departure time is 9:00AM, with 29% of daily flights leaving at noon.

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

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

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

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

How many operators does momondo search for flights from Boston Logan Intl Airport to Washington, D.C. Dulles Intl Airport?

The number of operators available for flights from Boston Logan Intl Airport to Washington, D.C. Dulles Intl Airport is 3 as of June 2026.

How old do you have to be to fly from Boston Logan Intl Airport to Washington, D.C. Dulles Intl Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Boston Logan Intl Airport to Washington, D.C. Dulles Intl Airport.

What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

The required travel and health documents for your Washington, D.C. Dulles Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington, D.C. Dulles Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$100 Cheap Flights from Boston to Washington, D.C. Dulles Intl Airport in 2026

Q: What is the typical price of a round-trip flight between Boston and Washington, D.C. Dulles Intl Airport?

Prices are currently low for flights on this route. Typical prices usually range from $272 to $392. The lowest price recently found on this route was $181.

Discover deals from 900+ travel sites with momondo.

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

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:45 am - 7:20 am

BOS

IAD

1h 35mnonstop

10:15 pm - 11:59 pm

IAD

BOS

1h 44mnonstop

$181United Airlines

Sun, Sep 27 - Wed, Sep 30

5:45 am - 7:23 am

BOS

IAD

1h 38mnonstop

10:10 pm - 11:59 pm

IAD

BOS

1h 49mnonstop

$184United Airlines

Sat, Jul 25 - Mon, Jul 27

5:45 am - 7:23 am

BOS

IAD

1h 38mnonstop

10:10 pm - 11:59 pm

IAD

BOS

1h 49mnonstop

$186United Airlines

Sat, Jul 25 - Mon, Jul 27

5:45 am - 7:23 am

BOS

IAD

1h 38mnonstop

10:10 pm - 11:59 pm

IAD

BOS

1h 49mnonstop

$187United Airlines

Sat, Jul 18 - Wed, Jul 22

5:45 am - 7:20 am

BOS

IAD

1h 35mnonstop

10:15 pm - 11:59 pm

IAD

BOS

1h 44mnonstop

$188United Airlines

Sat, Aug 15 - Tue, Aug 18

5:45 am - 7:23 am

BOS

IAD

1h 38mnonstop

10:10 pm - 11:59 pm

IAD

BOS

1h 49mnonstop

$189United Airlines

Sat, Aug 1 - Thu, Aug 6

7:27 pm - 9:16 pm

BOS

IAD

1h 49mnonstop

6:33 am - 11:16 am

IAD

BOS

4h 43m

1 stop

$190United Airlines

Tue, Jul 28 - Mon, Aug 3

5:45 am - 7:23 am

BOS

IAD

1h 38mnonstop

10:10 pm - 11:59 pm

IAD

BOS

1h 49mnonstop

$191United Airlines

Sun, Jul 26 - Wed, Jul 29

6:00 pm - 10:59 pm

BOS

IAD

4h 59m

1 stop

1:05 pm - 2:50 pm

IAD

BOS

1h 45mnonstop

$192United Airlines

Sat, Aug 15 - Tue, Aug 18

10:58 am - 4:32 pm

BOS

IAD

5h 34m

1 stop

12:55 pm - 2:40 pm

IAD

BOS

1h 45mnonstop

$193United Airlines

Fri, Jul 24 - Tue, Jul 28

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

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

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

United Airlines

Sep 27

BOS5:45 amBoston Logan Intl

1h 35m

IAD7:20 amWashington, D.C. Dulles Intl

Sep 30

IAD10:15 pmWashington, D.C. Dulles Intl

1h 44m

BOS11:59 pmBoston Logan Intl

$181

United Airlines

Jul 25

BOS5:45 amBoston Logan Intl

1h 38m

IAD7:23 amWashington, D.C. Dulles Intl

Jul 27

IAD10:10 pmWashington, D.C. Dulles Intl

1h 49m

BOS11:59 pmBoston Logan Intl

$184

United Airlines

Jul 25

BOS5:45 amBoston Logan Intl

1h 38m

IAD7:23 amWashington, D.C. Dulles Intl

Jul 27

IAD10:10 pmWashington, D.C. Dulles Intl

1h 49m

BOS11:59 pmBoston Logan Intl

$186

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

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

Frontier

Sep 1

BOS12:45 pmBoston Logan Intl

10h 07m

1 stop

IAD10:52 pmWashington, D.C. Dulles Intl

Sep 2

IAD8:39 pmWashington, D.C. Dulles Intl

12h 02m

1 stop

BOS8:41 amBoston Logan Intl

$210

Frontier

Jul 29

BOS11:59 amBoston Logan Intl

10h 56m

1 stop

IAD10:55 pmWashington, D.C. Dulles Intl

Aug 11

IAD8:33 pmWashington, D.C. Dulles Intl

11h 13m

1 stop

BOS7:46 amBoston Logan Intl

$220

Frontier

Aug 4

BOS11:52 amBoston Logan Intl

11h 00m

1 stop

IAD10:52 pmWashington, D.C. Dulles Intl

Aug 14

IAD8:33 pmWashington, D.C. Dulles Intl

11h 09m

1 stop

BOS7:42 amBoston Logan Intl

$225

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

Sun 9/27

5:45 am-7:20 am

Nonstop1h 35m

Washington, D.C. Dulles Intl

Wed 9/30

10:15 pm-11:59 pm

Nonstop1h 44m

$181

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

Sat 7/25

5:45 am-7:23 am

Nonstop1h 38m

Washington, D.C. Dulles Intl

Mon 7/27

10:10 pm-11:59 pm

Nonstop1h 49m

$184

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

Sat 7/25

5:45 am-7:23 am

Nonstop1h 38m

Washington, D.C. Dulles Intl

Mon 7/27

10:10 pm-11:59 pm

Nonstop1h 49m

$186

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

Sat 7/18

5:45 am-7:23 am

Nonstop1h 38m

Washington, D.C. Dulles Intl

Wed 7/22

10:10 pm-11:59 pm

Nonstop1h 49m

$187

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

Sat 8/15

5:45 am-7:20 am

Nonstop1h 35m

Washington, D.C. Dulles Intl

Tue 8/18

10:15 pm-11:59 pm

Nonstop1h 44m

$188

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

Sat 8/1

5:45 am-7:23 am

Nonstop1h 38m

Washington, D.C. Dulles Intl

Thu 8/6

10:10 pm-11:59 pm

Nonstop1h 49m

$189

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

Tue 7/28

7:27 pm-9:16 pm

Nonstop1h 49m

Washington, D.C. Dulles Intl

Mon 8/3

6:33 am-11:16 am

1 stop4h 43m

$190

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

Sun 7/26

5:45 am-7:23 am

Nonstop1h 38m

Washington, D.C. Dulles Intl

Wed 7/29

10:10 pm-11:59 pm

Nonstop1h 49m

$191

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

Sat 8/15

6:00 pm-10:59 pm

1 stop4h 59m

Washington, D.C. Dulles Intl

Tue 8/18

1:05 pm-2:50 pm

Nonstop1h 45m

$192

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

Fri 7/24

10:58 am-4:32 pm

1 stop5h 34m

Washington, D.C. Dulles Intl

Tue 7/28

12:55 pm-2:40 pm

Nonstop1h 45m

$193

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

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

Other information

What is the typical price of a round-trip flight between Boston and Washington, D.C. Dulles Intl Airport?

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

In general, December is the cheapest month to fly from Boston to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $248. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of December, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $252.

What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Our data shows that Friday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $399. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Boston to Washington, D.C. Dulles Intl Airport for around $668.

What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Flying to Washington, D.C. Dulles Intl Airport from Boston in the morning is the least expensive time of day to depart. momondo users have found prices as low as $454 when looking at flights departing in the morning. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $631 on average. Flights to Washington, D.C. Dulles Intl Airport from Boston at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

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

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

You are more likely to see cheaper flights to Washington, D.C. Dulles Intl Airport from Boston when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Dulles Intl Airport for around $302 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Dulles Intl Airport from Boston for as low as $252 on momondo.

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

There are 4 cabin classes available to choose from on Boston to Washington, D.C. Dulles Intl Airport 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 Boston to Washington, D.C. Dulles Intl Airport flights?

You could potentially save up to 34% on your flight if you consider stops on a Boston to Washington, D.C. Dulles Intl Airport flight.

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

As of June 2026, prices for Boston to Washington, D.C. Dulles Intl Airport flights are approximately 2% more expensive when compared to flights at the same time last year.

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

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

Estimated round-trip price

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

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

Best Price Found	$185
Fastest flight time	1h 34m
Direct flights	Every day

The best one-way flight to Washington, D.C. Dulles Intl Airport from Boston in the past 72 hours is $185. The best round-trip flight deal from Boston to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $328.

The fastest flight from Boston to Washington, D.C. Dulles Intl Airport takes 1h 34m

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

Search flight deals

Frequently asked questions about flying from Boston to Washington, D.C. Dulles Intl Airport

How far is Boston Logan Intl to Washington, D.C. Dulles Intl by plane?
There are 409.1 mi between Boston Logan Intl and Washington, D.C. Dulles Intl. Flights usually cover this in 1h 34m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Boston Logan Intl Airport to Washington, D.C. Dulles Intl Airport?
Prices for flights from Boston Logan Intl Airport to Washington, D.C. Dulles Intl Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Boston Logan Intl Airport to Washington, D.C. Dulles Intl Airport?
The number of operators available for flights from Boston Logan Intl Airport to Washington, D.C. Dulles Intl Airport is 3 as of June 2026.
How old do you have to be to fly from Boston Logan Intl Airport to Washington, D.C. Dulles Intl Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Boston Logan Intl Airport to Washington, D.C. Dulles Intl Airport.
What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?
The required travel and health documents for your Washington, D.C. Dulles Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington, D.C. Dulles Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Boston to Washington, D.C. Dulles Intl Airport?
momondo data reveals that the most frequently booked plane model on the route from Boston to Washington, D.C. Dulles Intl Airport is Boeing 737-900, representing 14.28% of all bookings. The subsequent popular models are Airbus A220-300 at 13.53%, Boeing 737 MAX 9 at 12.96%, and Airbus A320-100/200 at 10.59%.
What is the most popular airline from Boston to Washington, D.C. Dulles Intl Airport?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Boston to Washington, D.C. Dulles Intl Airport is United Airlines (97% of total bookings). The next most popular airlines are JetBlue (2%) and Delta (1%).

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

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

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $84	Free Cancellation	Rating 7.8 8,453 reviews	Search Delta flights
JetBlue	PriceFrom $131	Free Cancellation	Rating 7.1 3,013 reviews	Search JetBlue flights
United Airlines	PriceFrom $162	Free Cancellation	Rating 7.4 9,895 reviews	Search United Airlines flights

United Airlines Flights From Boston to Washington, D.C. Dulles Intl Airport
United Airlines operates around 26 flights from Boston to Washington, D.C. Dulles Intl Airport every week. The average price of these flights found in the last 72 hours has been $303, but momondo users have found United Airlines deals from Boston to Washington, D.C. Dulles Intl Airport from as low as $162 round-trip. United Airlines has been scored 7.4/10 in 9,895 reviews.

Alexandria

National Harbor

Arlington

Gettysburg

Winchester

Waldorf

Laurel

Woodbridge

Fredericksburg

Gaithersburg

Linthicum Heights

Rockville

Colonial Beach

Towson

Manassas

Silver Spring

Sterling

Tysons

Springfield

Bethesda

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Boston to Washington, D.C.. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo allows you to filter the results for Boston to Washington, D.C. flights to just show those with flexible booking policies.

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

Once all potential Boston to Washington, D.C. flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Of course. momondo tracks the price of Boston to Washington, D.C. flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Washington, D.C. Dulles Intl Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Tue 7/28

Tue 8/4

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Washington, D.C.

Popular cities

Other flights from Boston

Other flights to Washington, D.C.

Airlines

Cabin classes

Complete your trip

Feeling lucky

Popular cities in the United States

Flights to Newark Airportfrom $105

Flights to New York John F Kennedy Intl Airportfrom $122

Flights to New York LaGuardia Airportfrom $120

Flights to Dallas/Fort Worth Airportfrom $104

Flights to Washington, D.C. Reagan-National Airportfrom $116

Flights to Chicago O'Hare Intl Airportfrom $86

Flights to Orlando Airportfrom $77

Flights to Chicago Midway Airport

Flights to Dallas Love Field Airport

Cheap flights from Boston to Washington, D.C. from $100

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to Washington, D.C. departing on 11/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

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

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

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

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

momondo Fare Finder

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

See travel insights to Washington, D.C. from

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

What is the typical price of a round-trip flight between Boston and Washington, D.C. Dulles Intl Airport?

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

What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?

What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?

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

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

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

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

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

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

What airlines fly to Washington, D.C. Dulles Intl Airport?

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

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

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

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

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

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Boston to Washington, D.C. Dulles Intl Airport

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

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

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

Traveling to a place near Washington, D.C.?

Why use momondo?

An easier way to manage your Washington, D.C. Dulles Intl Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Washington, D.C.

Popular cities in the United States

Popular flights according to clicks in the last 7 days on momondo

Boston flight routes

According to popular flight searches on momondo this year

Washington, D.C. Dulles Intl Airport flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Washington, D.C.

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Washington, D.C.

List of cabin classes available on flights landing in Washington, D.C.. Availability may vary depending on flight origin and airline.

Complete your trip to Washington, D.C.

Explore popular destinations other users love

According to popular flight searches on momondo this year