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IAD - BOS

£78 Find cheap flights from Washington Dulles Airport to Boston

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 8/6. 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
Sat 15/6
Sat 22/6

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 42,211,976 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)

 
These are the cheapest deals for flights from Dulles Intl to Boston currently on KAYAK along with options from the most popular airlines KAYAK users selected for this route. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Recent return flight deals from Dulles Intl to Boston

Recommended round-trip deals departing in the coming months from the most popular airlines that fly from Dulles Intl to Boston.

Recent one-way flight deals from Dulles Intl to Boston

Only flying one-way? Below are some of the best one-way flight deals from Dulles Intl to Boston found on KAYAK recently.

Recent last-minute flight deals from Dulles Intl to Boston

Leaving soon but still want a bargain? Check out these latest deals for last minute flights from Dulles Intl to Boston.

Recent direct flight deals from Dulles Intl to Boston

The latest deals for direct flights from Dulles Intl to Boston so you can sit back and relax without the need for a layover.

Cheap bus & train deals from Dulles Intl to Boston

Find recent round-trip train or bus tickets from Dulles Intl to Boston.

All round-trip flight deals to Boston

The cheapest plane tickets to Boston found on KAYAK recently.
Discover the best prices and deals for you by selecting your travel dates.
Choose your dates
22:20 - 23:58IAD-BOS
1h 38mdirect
09:30 - 11:11BOS-IAD
1h 41mdirect
£158United Airlines
Find Deal
Fri, 12 Jul - Tue, 16 Jul
22:20 - 23:58IAD-BOS
1h 38mdirect
19:20 - 21:02BOS-IAD
1h 42mdirect
£158United Airlines
Find Deal
Sun, 18 Aug - Wed, 21 Aug
08:35 - 13:15IAD-BOS
4h 40m1 stop
05:45 - 07:26BOS-IAD
1h 41mdirect
£165United Airlines
Find Deal
Thu, 6 Jun - Fri, 14 Jun
22:20 - 23:58IAD-BOS
1h 38mdirect
10:55 - 16:23BOS-IAD
5h 28m1 stop
£166United Airlines
Find Deal
Sun, 18 Aug - Wed, 21 Aug
06:00 - 11:03IAD-BOS
5h 03m1 stop
10:40 - 16:20BOS-IAD
5h 40m1 stop
£173United Airlines
Find Deal
Fri, 12 Jul - Tue, 16 Jul
16:59 - 22:56IAD-BOS
5h 57m1 stop
06:00 - 12:44BOS-IAD
6h 44m1 stop
£196Delta
Find Deal
Wed, 29 May - Thu, 30 May
16:59 - 22:56IAD-BOS
5h 57m1 stop
06:00 - 12:43BOS-IAD
6h 43m1 stop
£207Delta
Find Deal
Tue, 28 May - Sat, 1 Jun
17:00 - 22:44IAD-BOS
5h 44m1 stop
06:00 - 12:19BOS-IAD
6h 19m1 stop
£207Delta
Find Deal
Fri, 9 Aug - Sat, 17 Aug
17:50 - 11:36IAD-BOS
17h 46m1 stop
11:25 - 10:30BOS-IAD
23h 05m1 stop
£328Sun Country Air
Find Deal
Tue, 2 Jul - Tue, 9 Jul
13:43 - 11:00IAD-BOS
21h 17m1 stop
11:26 - 20:44BOS-IAD
9h 18m1 stop
£364Sun Country Air
Find Deal
Sun, 16 Jun - Sat, 22 Jun
22:23 - 23:59IAD-BOS
1h 36mdirect
£78United Airlines
Find Deal
Sat, 8 Jun
22:20 - 23:58IAD-BOS
1h 38mdirect
£79United Airlines
Find Deal
Tue, 2 Jul
12:55 - 19:10IAD-BOS
6h 15m2 stops
Sat, 15 Jun
16:59 - 22:56IAD-BOS
5h 57m1 stop
£98Delta
Find Deal
Sat, 25 May
16:57 - 22:56IAD-BOS
5h 59m1 stop
£105Delta
Find Deal
Mon, 3 Jun
18:10 - 10:22IAD-BOS
16h 12m1 stop
£109Sun Country Air
Find Deal
Tue, 18 Jun
12:33 - 10:29IAD-BOS
21h 56m1 stop
£169Sun Country Air
Find Deal
Fri, 7 Jun
06:20 - 22:35IAD-BOS
16h 15m2 stops
£274Southwest
Find Deal
Sat, 8 Jun
13:15 - 09:30IAD-BOS
20h 15m2 stops
£323Southwest
Find Deal
Thu, 23 May
06:14 - 12:41IAD-BOS
6h 27m2 stops
Mon, 27 May
06:00 - 11:57IAD-BOS
5h 57m1 stop
17:00 - 22:52BOS-IAD
5h 52m1 stop
£239Delta
Find Deal
Tue, 21 May - Thu, 30 May
06:00 - 11:57IAD-BOS
5h 57m1 stop
06:00 - 12:44BOS-IAD
6h 44m1 stop
£240Delta
Find Deal
Tue, 21 May - Thu, 23 May
16:59 - 22:56IAD-BOS
5h 57m1 stop
10:42 - 17:21BOS-IAD
6h 39m1 stop
£260Delta
Find Deal
Mon, 20 May - Thu, 23 May
22:01 - 23:38IAD-BOS
1h 37mdirect
14:25 - 16:09BOS-IAD
1h 44mdirect
£268United Airlines
Find Deal
Tue, 21 May - Thu, 30 May
06:00 - 11:57IAD-BOS
5h 57m1 stop
13:30 - 17:21BOS-IAD
3h 51m1 stop
£275Delta
Find Deal
Tue, 21 May - Sat, 25 May
22:01 - 23:38IAD-BOS
1h 37mdirect
11:21 - 16:24BOS-IAD
5h 03m1 stop
£275United Airlines
Find Deal
Tue, 21 May - Thu, 30 May
16:59 - 22:56IAD-BOS
5h 57m1 stop
06:00 - 12:44BOS-IAD
6h 44m1 stop
£287Delta
Find Deal
Mon, 20 May - Tue, 21 May
22:01 - 23:38IAD-BOS
1h 37mdirect
05:45 - 07:26BOS-IAD
1h 41mdirect
£291United Airlines
Find Deal
Tue, 21 May - Tue, 4 Jun
08:20 - 14:37IAD-BOS
6h 17m1 stop
14:25 - 16:07BOS-IAD
1h 42mdirect
£292United Airlines
Find Deal
Mon, 20 May - Wed, 22 May
08:25 - 15:42IAD-BOS
7h 17m2 stops
14:12 - 22:29BOS-IAD
8h 17m2 stops
Tue, 21 May - Sun, 26 May
22:20 - 23:58IAD-BOS
1h 38mdirect
05:30 - 07:11BOS-IAD
1h 41mdirect
£158United Airlines
Find Deal
Fri, 12 Jul - Sun, 14 Jul
22:20 - 23:58IAD-BOS
1h 38mdirect
19:20 - 21:02BOS-IAD
1h 42mdirect
£158United Airlines
Find Deal
Sun, 18 Aug - Wed, 21 Aug
22:23 - 23:59IAD-BOS
1h 36mdirect
05:45 - 07:26BOS-IAD
1h 41mdirect
£173United Airlines
Find Deal
Mon, 3 Jun - Wed, 5 Jun
22:23 - 23:59IAD-BOS
1h 36mdirect
19:10 - 20:54BOS-IAD
1h 44mdirect
£173United Airlines
Find Deal
Wed, 5 Jun - Sat, 8 Jun
22:23 - 23:59IAD-BOS
1h 36mdirect
05:45 - 07:26BOS-IAD
1h 41mdirect
£178United Airlines
Find Deal
Sun, 2 Jun - Fri, 7 Jun
22:20 - 23:58IAD-BOS
1h 38mdirect
05:30 - 07:11BOS-IAD
1h 41mdirect
£184United Airlines
Find Deal
Fri, 26 Jul - Sun, 28 Jul
22:20 - 23:58IAD-BOS
1h 38mdirect
05:50 - 07:32BOS-IAD
1h 42mdirect
£185United Airlines
Find Deal
Fri, 9 Aug - Mon, 19 Aug
08:40 - 10:20IAD-BOS
1h 40mdirect
05:45 - 07:26BOS-IAD
1h 41mdirect
£188United Airlines
Find Deal
Thu, 30 May - Mon, 3 Jun
17:30 - 19:10IAD-BOS
1h 40mdirect
05:45 - 07:26BOS-IAD
1h 41mdirect
£188United Airlines
Find Deal
Thu, 30 May - Sun, 2 Jun
22:23 - 23:59IAD-BOS
1h 36mdirect
05:45 - 07:26BOS-IAD
1h 41mdirect
£189United Airlines
Find Deal
Fri, 31 May - Tue, 4 Jun

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 January, where tickets cost £125 on average. On the other hand, the most expensive months are April and November, where the average cost of tickets is £211 and £188 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 3 weeks before departure. For the absolute cheapest price, our data suggests you should book 63 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 £78. KAYAK users also found Washington Dulles Airport to Boston return flights on United Airlines from £158 and on Delta from £196.

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

Each day, there are 4 direct flights that take off from Washington, D.C. Dulles Intl Airport and land in Boston, with an average flight time of 1h 39m. The most common departure time is 17:00 and most flights take off in the morning. Each week, there are 28 flights and there are the same amount of flights each day 4.

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 36m.

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

February

High season

July

Cheapest flight

£78
Best time to beat the crowds (29% less expensive on average)
Most popular time to fly and prices are also 3% 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 £98 for a one-way ticket and £199 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, 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

KAYAK’s top tips for finding a cheap flight from Washington, D.C. Dulles Intl 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.
8/6Sat
directUnited Airlines
1h 36mIAD-BOS
£78
2/7Tue
directUnited Airlines
1h 38mIAD-BOS
£79
15/6Sat
2 stops
6h 15mIAD-BOS
£85
25/5Sat
1 stopDelta
5h 57mIAD-BOS
£98
3/6Mon
1 stopDelta
5h 59mIAD-BOS
£105
18/6Tue
1 stopSun Country Air
16h 12mIAD-BOS
£109
7/6Fri
1 stopSun Country Air
21h 56mIAD-BOS
£169
8/6Sat
2 stopsSouthwest
16h 15mIAD-BOS
£274
23/5Thu
2 stopsSouthwest
20h 15mIAD-BOS
£323
27/5Mon
2 stops
6h 27mIAD-BOS
£430

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.
21/5Tue
multi-stopDelta
5h 57mIAD-BOS
30/5Thu
multi-stopDelta
5h 52mBOS-IAD
£239
21/5Tue
multi-stopDelta
5h 57mIAD-BOS
23/5Thu
multi-stopDelta
6h 44mBOS-IAD
£240
20/5Mon
multi-stopDelta
5h 57mIAD-BOS
23/5Thu
multi-stopDelta
6h 39mBOS-IAD
£260
21/5Tue
directUnited Airlines
1h 37mIAD-BOS
30/5Thu
directUnited Airlines
1h 44mBOS-IAD
£268
21/5Tue
multi-stopDelta
5h 57mIAD-BOS
25/5Sat
multi-stopDelta
3h 51mBOS-IAD
£275
21/5Tue
directUnited Airlines
1h 37mIAD-BOS
30/5Thu
multi-stopUnited Airlines
5h 03mBOS-IAD
£275
20/5Mon
multi-stopDelta
5h 57mIAD-BOS
21/5Tue
multi-stopDelta
6h 44mBOS-IAD
£287
21/5Tue
directUnited Airlines
1h 37mIAD-BOS
4/6Tue
directUnited Airlines
1h 41mBOS-IAD
£291
20/5Mon
multi-stopUnited Airlines
6h 17mIAD-BOS
22/5Wed
directUnited Airlines
1h 42mBOS-IAD
£292
21/5Tue
multi-stop
7h 17mIAD-BOS
26/5Sun
multi-stop
8h 17mBOS-IAD
£769

Search by stops

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Search by price

Washington Dulles Airport - Boston Flights

Departure:

Washington Dulles Airport (undefined)United States

Destination:

Boston (BOS)United States

Return flight deals:

Boston - Washington Dulles Airport

Cabin classes:

£359

Browse origins:

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

Browse destinations:

  • Flights » 
  • Worldwide » 
  • Boston