IAD - BOS

£59 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 9/6. 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

KAYAK searches 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
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Flights Deals

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 return 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.

Recent return flight deals from Dulles Intl to Boston

KAYAK's recommended return flight deals from the most popular airlines that fly from Dulles Intl to Boston.
Discover the best prices for you by selecting your travel dates on KAYAK.
United Airlines Logo
12:40 - 14:19IAD-BOS
1h 39mdirect
United Airlines Logo
05:30 - 07:04BOS-IAD
1h 34mdirect
£102United Airlines
Find Deal
Tue, 20 May - Wed, 28 May
United Airlines Logo
15:55 - 17:34IAD-BOS
1h 39mdirect
United Airlines Logo
10:30 - 14:27BOS-IAD
3h 57m1 stop
£110United Airlines
Find Deal
Tue, 20 May - Wed, 28 May
United Airlines Logo
15:55 - 17:34IAD-BOS
1h 39mdirect
United Airlines Logo
05:30 - 07:04BOS-IAD
1h 34mdirect
£111United Airlines
Find Deal
Wed, 21 May - Sun, 25 May
United Airlines Logo
16:00 - 17:41IAD-BOS
1h 41mdirect
United Airlines Logo
12:29 - 14:09BOS-IAD
1h 40mdirect
£113United Airlines
Find Deal
Sat, 31 May - Tue, 3 Jun
United Airlines Logo
17:48 - 22:27IAD-BOS
4h 39m1 stop
United Airlines Logo
10:30 - 14:27BOS-IAD
3h 57m1 stop
£117United Airlines
Find Deal
Tue, 20 May - Wed, 28 May
United Airlines Logo
15:55 - 17:34IAD-BOS
1h 39mdirect
United Airlines Logo
05:30 - 07:11BOS-IAD
1h 41mdirect
£118United Airlines
Find Deal
Sat, 10 May - Tue, 20 May
Delta Logo
18:17 - 22:56IAD-BOS
4h 39m1 stop
Delta Logo
06:05 - 11:40BOS-IAD
5h 35m1 stop
£184Delta
Find Deal
Sat, 24 May - Sun, 25 May
Delta Logo
18:17 - 22:56IAD-BOS
4h 39m1 stop
Delta Logo
06:05 - 11:45BOS-IAD
5h 40m1 stop
£196Delta
Find Deal
Sat, 10 May - Sun, 11 May
Delta Logo
18:17 - 22:56IAD-BOS
4h 39m1 stop
Delta Logo
06:05 - 11:45BOS-IAD
5h 40m1 stop
£208Delta
Find Deal
Sat, 10 May - Sun, 11 May
 Logo
15:13 - 08:14IAD-BOS
17h 01m1 stop
 Logo
14:25 - 11:26BOS-IAD
21h 01m3 stops
Fri, 6 Jun - Mon, 9 Jun
Expert advice

Expert advice for your flight from Dulles Intl to Boston

 
Snippets provided in this section are AI-generated based on a summarisation of KAYAK-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are specific to the author and reflect their authentic experience, which may vary significantly from the experience of others.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Airports
IAD

For a quick departure, use the AeroTrain at IAD to navigate between terminals efficiently, especially during peak hours.

Read more about IADby Stefanie Waldek
BOS

Use the Silver Line bus from BOS for a free, convenient ride to South Station in central Boston, taking about 20-30 minutes.

Read more about BOSby Blane Bachelor
Our travel experts
Blane Bachelor

Blane Bachelor

Expert on BOS

Blane Bachelor

Blane Bachelor

Blane Bachelor is a journalist and editor specialising in travel and aviation who writes regularly for top global outlets. Born and raised in Florida, Blane has worked and lived in four countries, including the Netherlands, where she’s currently based with her family. Her favourite way to get to know a new destination is by running or riding a bike around town – or hearing a spooky ghost story about local history.

Read more
Stefanie Waldek

Stefanie Waldek

Expert on IAD

Stefanie Waldek

Stefanie Waldek

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or out at sea, likely en route to Antarctica or the Arctic.

Read more
Useful Info

KAYAK's insights & trends for Dulles Intl to Boston flights

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’s the cheapest day of the week to fly from Washington Dulles Airport to Boston?

The average price of all round-trip flights from Washington, D.C. Dulles Intl Airport to Boston clicked on KAYAK for each day over the last 12 months.
If you are looking for a flight deal from Washington Dulles Airport to Boston, look for departures on Wednesdays and avoid leaving on a Thursday, as it's usually the priciest day. When flying back from Boston, Wednesday is the cheapest day to fly and Thursday is the most expensive.

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 round-trip 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 £160 (return) on average. On the other hand, the most expensive months are April and September, where the average cost of round-trip tickets is £237 and £226 respectively.

Can I save money by flying with a stopover from Washington, D.C. Dulles Intl Airport to Boston?

The average return price for all direct flights, flights with one stopover, and flights with two stopovers for the route found by users searching on KAYAK in the last 2 weeks.
No, with an average price for the route of £274, prices are generally cheapest when you fly direct.

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

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip 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 week.
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 17 weeks before departure.

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

Low season

February

High season

June

Cheapest flight

£59
Best time to beat the crowds but there is an average 3% increase in price.
Most popular time to fly (4% more expensive 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 £79 for a one-way ticket and £137 for a return.

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

    Delta, JetBlue, and American Airlines offer inflight Wi-Fi service on the Washington Dulles Airport to Boston flight route.

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

    The Boeing 737-900 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.

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.

Prefer to fly direct from Washington Dulles Airport to Boston?

Find which airlines fly direct from Washington, D.C. Dulles Intl Airport to Boston Logan Intl Airport, 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, Air China, Austrian Airlines, +6 more

ANA, Air China, +7 more

Saturday

ANA, Air China, Austrian Airlines, +7 more

ANA, Air China, +8 more

Sunday

ANA, Austrian Airlines, Avianca, +5 more

ANA, Austrian Airlines, +6 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, Air China, Austrian Airlines, +6 more

ANA, Air China, +7 more

Saturday

ANA, Air China, Austrian Airlines, +7 more

ANA, Air China, +8 more

Sunday

ANA, Austrian Airlines, Avianca, +5 more

ANA, Austrian Airlines, +6 more

See more direct flights
See more direct flights

Everything you need to know for your flight from Dulles Intl to Boston

Information on your arrival and departure airports

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