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IAD - BOS

Find cheap flights from Washington Dulles Airport to Boston from £76

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Dulles Intl to Boston departing on 23/9. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
Wed 29/5
Wed 5/6

Search hundreds of travel sites at once for deals on flights to Boston

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Washington, D.C. to Boston, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Washington, D.C. to Boston, as well as popular online travel agencies
In the last 7 days, travellers have searched 43,983,279 times on KAYAK, and here's why:

Save 28% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Bundle and saveSave money when you bundle your flight + hotel.

Cheap flight deals from Dulles Intl to Boston (IAD-BOS)

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Dulles Intl to Boston that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices and deals for you by selecting your travel dates.
Choose your dates
22:23 - 23:59IAD-BOS
1h 36mdirect
05:45 - 07:26BOS-IAD
1h 41mdirect
£151United Airlines
Find Deal
Sat, 15 Jun - Tue, 18 Jun
06:00 - 09:44IAD-BOS
3h 44m1 stop
05:30 - 07:11BOS-IAD
1h 41mdirect
£158United Airlines
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Fri, 5 Jul - Sat, 13 Jul
06:14 - 10:04IAD-BOS
3h 50m1 stop
19:10 - 20:54BOS-IAD
1h 44mdirect
£159United Airlines
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Tue, 28 May - Tue, 4 Jun
06:05 - 11:14IAD-BOS
5h 09m1 stop
10:55 - 16:23BOS-IAD
5h 28m1 stop
£166United Airlines
Find Deal
Mon, 19 Aug - Fri, 23 Aug
22:01 - 23:38IAD-BOS
1h 37mdirect
14:25 - 16:07BOS-IAD
1h 42mdirect
£167United Airlines
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Fri, 17 May - Wed, 22 May
08:20 - 14:37IAD-BOS
6h 17m1 stop
09:25 - 11:07BOS-IAD
1h 42mdirect
£174United Airlines
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Wed, 15 May - Tue, 21 May
22:20 - 23:59IAD-BOS
1h 39mdirect
05:50 - 07:32BOS-IAD
1h 42mdirect
£182United Airlines
Find Deal
Fri, 6 Sep - Mon, 9 Sep
22:23 - 23:59IAD-BOS
1h 36mdirect
05:45 - 07:26BOS-IAD
1h 41mdirect
£182United Airlines
Find Deal
Wed, 29 May - Sat, 1 Jun
18:11 - 23:29IAD-BOS
5h 18m1 stop
06:00 - 12:44BOS-IAD
6h 44m1 stop
£205Delta
Find Deal
Sat, 25 May - Sun, 26 May
16:59 - 22:56IAD-BOS
5h 57m1 stop
06:00 - 12:44BOS-IAD
6h 44m1 stop
£213Delta
Find Deal
Wed, 15 May - Mon, 20 May

Flights from Dulles Intl to Boston - Travel Insights & Trends

Get data-powered insights and trends into flights from Dulles Intl to Boston to help you find the cheapest flights, the best time to fly and much more.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from Washington, D.C. Dulles Intl Airport to Boston, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.
The cheapest month for flights from Washington, D.C. Dulles Intl Airport to Boston is February, where tickets cost £142 on average. On the other hand, the most expensive months are April and June, where the average cost of tickets is £198 and £187 respectively.

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

To calculate daily average prices, KAYAK takes all prices for each day before departure over the last year for flights from Washington, D.C. Dulles Intl Airport to Boston, removes the top 0.1% to account for outliers, and then takes the average of all the values for each month.
To get a below average price on the flight from Washington, D.C. Dulles Intl Airport to Boston, you should book around 2 weeks before departure. For the absolute cheapest price, our data suggests you should book 30 days before departure.

Which airlines provide the cheapest flights from Washington Dulles Airport to Boston?

The cheapest price for the route for each airline clicked by KAYAK users in the last 72 hours.
In the last 3 days, United Airlines offered the best one-way deal for that route, at £76. KAYAK users also found Washington Dulles Airport to Boston return flights on United Airlines from £151 and on Delta from £205.

How many flights are there between Washington, D.C. Dulles Intl Airport and Boston per day?

Each day, there are 6 direct flights that take off from Washington, D.C. Dulles Intl Airport and land in Boston, with an average flight time of 1h 37m. The most common departure time is 17:00 and most flights take off at night. Each week, there are 42 flights and there are the same amount of flights each day 6.

Which cabin class options are there for flights between Washington, D.C. Dulles Intl Airport and Boston?

The average price of flights for each cabin class for the route found by users searching on KAYAK over the last 2 weeks.
There are 2 cabin class options for the route. These are First and Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

How long does a flight from Washington Dulles Airport to Boston take?

Direct flights cover the 411 miles separating Washington Dulles Airport and Boston in about 1h 31m.

What’s the earliest departure time from Washington Dulles Airport to Boston?

Early birds can take the earliest flight from Washington, D.C. Dulles Intl Airport at 08:40 and will be landing in Boston at 10:20.

What’s the latest departure time from Washington Dulles Airport to Boston?

If you prefer to fly at night, the latest flight from Washington, D.C. Dulles Intl Airport to Boston jets off at 22:23 and lands at 23:59.

Good to know - Cheap tickets from Washington Dulles Airport to Boston

Low season

January

High season

November

Cheapest flight

£76
Best time to beat the crowds (30% less expensive on average)
Most popular time to fly and prices are also 5% lower on average.
Flight from Washington Dulles Airport to Boston

When to book flights from Dulles Intl to Boston

Are your dates flexible? Find out the best times to travel from Dulles Intl to Boston based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Washington Dulles Airport to Boston flights

  • Are there pet relief areas in Washington Dulles Airport?

    There are pet relief areas in Washington Dulles Airport. You can find them in the concourses near the security area, as well as in the baggage claim area. Your animal can take a bathroom break and stretch.

  • Can I get a car rental at Boston Logan International Airport?

    If you're looking for a convenient way to get from your flight to your final destination, renting a car at Boston Logan International Airport is the way to go. After you land and claim your luggage, head to the car rental counter at the airport and choose from an array of vehicles including luxury cars, SUVs, minivans, crossovers, and trucks. Companies include Hertz, Alamo, National, and Avis.

  • How can I get downtown from Boston Logan International Airport?

    Getting downtown from Boston Logan International Airport is easy, and there are several options to choose from. The easiest way would be to take the Silver Line bus that runs between the airport and South Station in Boston. The Silver Line is an express bus that will drop you off at South Station in just under 30min—and it drops off right across the street from TD Garden. Another option is taking the subway. The MBTA has a stop at each terminal and they run 24h a day, 7 days a week.

  • How can I get to Washington Dulles Airport from the city center?

    Washington Dulles Airport is 26 miles from the city center. It takes approximately 50min to get to the airport through the Metrobus Route 5A which will take you to Wiehle-Reston East Metrorail Station. At the station, you will take the Silver Line Express bus to the station. In case you want a quicker means of transportation, taking a taxi will get you to the airport within 30-40min.

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

    In the last 3 days, the lowest price for a flight from Washington, D.C. Dulles Intl Airport to Boston was £95 for a one-way ticket and £189 for a return.

  • Which airlines offer Wi-Fi service onboard planes from Washington Dulles Airport to Boston?

    All the following airlines offer inflight Wi-Fi service on the Washington Dulles Airport to Boston flight route: JetBlue, Delta, American Airlines, Lufthansa, Alaska Airlines, United Airlines, and Air Canada.

  • Which aircraft models fly most regularly from Washington Dulles Airport to Boston?

    The Boeing 737 MAX 9 is the aircraft model that flies most regularly on the Washington Dulles Airport to Boston flight route.

  • Which airline alliances offer flights from Washington Dulles Airport to Boston?

    Star Alliance is the only airline alliance operating flights between Washington Dulles Airport and Boston.

  • On which days can I fly direct from Washington Dulles Airport to Boston?

    There are direct flights from Washington Dulles Airport to Boston on a daily basis.

  • How does KAYAK find such low prices on flights from Washington Dulles Airport to Boston?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington Dulles Airport to Boston.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington Dulles Airport to Boston?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Boston from Washington Dulles Airport is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Washington Dulles Airport to Boston?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Boston with an airline and back to Washington Dulles Airport with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington Dulles Airport to Boston?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Boston from Washington Dulles Airport up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Top tips for finding a cheap flight from Washington Dulles Airport to Boston

  • United Airlines offers a wide selection of in-flight entertainment options on their flights. United’s system, LiveTV, offers more than 10,000h of programming. With interactive seat-back video touchscreens and wireless connectivity available for select aircraft classes, customers can choose from a variety of exciting programming options that bring the best in entertainment to their flights.
  • Accessibility Services of Washington Dulles Airport (IAD) boasts a wide variety of wheelchairs, access and other transportation options so that you can get to your gate more quickly and easily.
  • If you're flying out of Boston Logan International Airport (BOS), the airport has a great selection of lounges for your comfort and relaxation. The American Airlines Admirals Club is one of the most popular places to unwind and relax, as it offers a wide variety of amenities, including Wi-Fi, newspapers and magazines, television, food and drinks, and business facilities.
  • Located in terminals B, C and E, the business center at Boston Logan International Airport offers a variety of services to help you stay on top of your work while you're away from the office. The business center has computers with printers available for use as well as photocopiers, scanners, and fax machines. You can also find complimentary Wi-Fi access at the terminals.
  • The Washington Dulles Airport Marriott offers the perfect place for you to rest your head before your flight. The hotel is conveniently located only 0.3 miles and offers a free shuttle to the airport.
See more tips

Prefer to fly direct from Washington Dulles Airport to Boston?

Find which airlines fly direct from Dulles Intl to Logan Intl, which days they fly and book direct flights.

Direct departures

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

Monday

ANA, Austrian Airlines, Avianca, +5 more

ANA, Austrian Airlines, +6 more

Tuesday

ANA, Air China, Austrian Airlines, +7 more

ANA, Air China, +8 more

Wednesday

ANA, Austrian Airlines, Avianca, +5 more

ANA, Austrian Airlines, +6 more

Thursday

ANA, Austrian Airlines, Avianca, +6 more

ANA, Austrian Airlines, +7 more

Friday

ANA, Austrian Airlines, Avianca, +5 more

ANA, Austrian Airlines, +6 more

Saturday

ANA, Air China, Austrian Airlines, +7 more

ANA, Air China, +8 more

Sunday

ANA, Austrian Airlines, Avianca, +6 more

ANA, Austrian Airlines, +7 more

See more direct flights

Direct returns

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

Monday

ANA, Austrian Airlines, Avianca, +5 more

ANA, Austrian Airlines, +6 more

Tuesday

ANA, Air China, Austrian Airlines, +7 more

ANA, Air China, +8 more

Wednesday

ANA, Austrian Airlines, Avianca, +5 more

ANA, Austrian Airlines, +6 more

Thursday

ANA, Austrian Airlines, Avianca, +6 more

ANA, Austrian Airlines, +7 more

Friday

ANA, Austrian Airlines, Avianca, +5 more

ANA, Austrian Airlines, +6 more

Saturday

ANA, Air China, Austrian Airlines, +7 more

ANA, Air China, +8 more

Sunday

ANA, Austrian Airlines, Avianca, +6 more

ANA, Austrian Airlines, +7 more

See more direct flights
See more direct flights

Book cheap flights from Washington, D.C. to Boston

Cheapest flights to Boston from Washington, D.C. found in 2024

Recent one-way flight deals

 
Only flying one-way? Below are some of the best one-way flight deals from Washington, D.C. to Boston found on KAYAK in the last 72 hours.
23/9Mon
directUnited Airlines
1h 39mIAD-BOS
£76
18/8Sun
1 stopUnited Airlines
3h 44mIAD-BOS
£83
22/5Wed
1 stopDelta
5h 57mIAD-BOS
£102
1/6Sat
1 stopDelta
5h 18mIAD-BOS
£110
19/5Sun
1 stopSun Country Air
19h 08mIAD-BOS
£154
21/7Sun
1 stopSun Country Air
9h 58mIAD-BOS
£178
8/6Sat
1 stopAlaska Airlines
16h 59mIAD-BOS
£290
31/5Fri
2 stops
11h 29mIAD-BOS
£391
4/6Tue
2 stops
8h 19mIAD-BOS
£395
10/5Fri
1 stopAlaska Airlines
13h 05mIAD-BOS
£461

Search by stops

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Search by price

Last minute flights from Dulles Intl to Boston

Last minute flight, train and bus deals

 
These last-minute flight deals are the cheapest flights found on KAYAK in the last 72 hours for flights from Washington, D.C. to Boston that are departing in the next 10 days.
1/5Wed
directUnited Airlines
1h 39mIAD-BOS
5/5Sun
directUnited Airlines
1h 42mBOS-IAD
£231
2/5Thu
multi-stopDelta
3h 49mIAD-BOS
6/5Mon
multi-stopDelta
3h 48mBOS-IAD
£238
2/5Thu
directUnited Airlines
1h 36mIAD-BOS
7/5Tue
multi-stopUnited Airlines
5h 27mBOS-IAD
£238
2/5Thu
multi-stopDelta
3h 49mIAD-BOS
4/5Sat
multi-stopDelta
3h 48mBOS-IAD
£246
1/5Wed
multi-stopDelta
3h 48mIAD-BOS
2/5Thu
multi-stopDelta
6h 44mBOS-IAD
£246
2/5Thu
directUnited Airlines
1h 36mIAD-BOS
6/5Mon
directUnited Airlines
1h 42mBOS-IAD
£250
30/4Tue
multi-stopAlaska Airlines
22h 05mIAD-BOS
2/5Thu
multi-stopAlaska Airlines
16h 59mBOS-IAD
£1,162
1/5Wed
multi-stopAlaska Airlines
16h 19mIAD-BOS
5/5Sun
multi-stopAlaska Airlines
22h 05mBOS-IAD
£1,194
4/5Sat
multi-stopQatar Airways
27h 55mIAD-BOS
5/5Sun
multi-stopQatar Airways
35h 41mBOS-IAD
£2,156
4/5Sat
multi-stopQatar Airways
27h 55mIAD-BOS
5/5Sun
multi-stopQatar Airways
35h 41mBOS-IAD
£2,187

Search by stops

Search by airline

Search by price

Washington Dulles Airport - Boston Flights

Departure:

Washington Dulles Airport (IAD)United States

Destination:

Boston (BOS)United States

Return flight deals:

Boston - Washington Dulles Airport

Cabin classes:

£363

Browse origins:

  • Flights » 
  • Washington, D.C. » 
  • Washington Dulles Airport

Browse destinations:

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  • Worldwide » 
  • Boston