85 € Washington Dulles (IAD) to Boston Logan International (BOS) Cheap Flights

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Flight deals from Washington Dulles to Boston Logan International

Looking for a cheap last-minute deal or the best return flight from Washington Dulles Airport to Boston Logan International Airport? If you want to travel next month, return fares start from 85 €. Find the lowest prices on one-way and return tickets right here.

Boston.85 € per passenger.Departing Sat, 29 Aug, returning Tue, 1 Sep.Return flight with United.Outbound direct flight with United departs from Washington Dulles on Sat, 29 Aug, arriving in Boston Logan International.Inbound direct flight with United departs from Boston Logan International on Tue, 1 Sep, arriving in Washington Dulles.Price includes taxes and charges.From 85 €, select.

Boston.85 € per passenger.Departing Sat, 5 Sep, returning Tue, 8 Sep.Return flight with United.Outbound direct flight with United departs from Washington Dulles on Sat, 5 Sep, arriving in Boston Logan International.Inbound direct flight with United departs from Boston Logan International on Tue, 8 Sep, arriving in Washington Dulles.Price includes taxes and charges.From 85 €, select.

Boston.85 € per passenger.Departing Tue, 1 Dec, returning Tue, 8 Dec.Return flight with United.Outbound direct flight with United departs from Washington Dulles on Tue, 1 Dec, arriving in Boston Logan International.Inbound direct flight with United departs from Boston Logan International on Tue, 8 Dec, arriving in Washington Dulles.Price includes taxes and charges.From 85 €, select.

Boston.85 € per passenger.Departing Wed, 19 Aug, returning Thu, 20 Aug.Return flight with United.Outbound direct flight with United departs from Washington Dulles on Wed, 19 Aug, arriving in Boston Logan International.Inbound direct flight with United departs from Boston Logan International on Thu, 20 Aug, arriving in Washington Dulles.Price includes taxes and charges.From 85 €, select.

Boston.85 € per passenger.Departing Wed, 21 Oct, returning Wed, 28 Oct.Return flight with United.Outbound direct flight with United departs from Washington Dulles on Wed, 21 Oct, arriving in Boston Logan International.Inbound direct flight with United departs from Boston Logan International on Wed, 28 Oct, arriving in Washington Dulles.Price includes taxes and charges.From 85 €, select.

Boston.103 € per passenger.Departing Tue, 22 Sep, returning Tue, 6 Oct.Return flight with United.Outbound direct flight with United departs from Washington Dulles on Tue, 22 Sep, arriving in Boston Logan International.Inbound direct flight with United departs from Boston Logan International on Tue, 6 Oct, arriving in Washington Dulles.Price includes taxes and charges.From 103 €, select.

Boston.111 € per passenger.Departing Wed, 28 Oct, returning Wed, 4 Nov.Return flight with United.Outbound direct flight with United departs from Washington Dulles on Wed, 28 Oct, arriving in Boston Logan International.Inbound direct flight with United departs from Boston Logan International on Wed, 4 Nov, arriving in Washington Dulles.Price includes taxes and charges.From 111 €, select.

Boston.116 € per passenger.Departing Mon, 16 Nov, returning Mon, 16 Nov.Return flight with United.Outbound indirect flight with United, departs from Washington Dulles on Mon, 16 Nov, arriving in Boston Logan International.Inbound indirect flight with United, departs from Boston Logan International on Mon, 16 Nov, arriving in Washington Dulles.Price includes taxes and charges.From 116 €, select.

Boston.142 € per passenger.Departing Thu, 12 Nov, returning Thu, 19 Nov.Return flight with United.Outbound direct flight with United departs from Washington Dulles on Thu, 12 Nov, arriving in Boston Logan International.Inbound direct flight with United departs from Boston Logan International on Thu, 19 Nov, arriving in Washington Dulles.Price includes taxes and charges.From 142 €, select.

Boston.142 € per passenger.Departing Wed, 25 Nov, returning Wed, 2 Dec.Return flight with United.Outbound direct flight with United departs from Washington Dulles on Wed, 25 Nov, arriving in Boston Logan International.Inbound direct flight with United departs from Boston Logan International on Wed, 2 Dec, arriving in Washington Dulles.Price includes taxes and charges.From 142 €, select.

Boston.146 € per passenger.Departing Wed, 16 Dec, returning Mon, 4 Jan.Return flight with United.Outbound direct flight with United departs from Washington Dulles on Wed, 16 Dec, arriving in Boston Logan International.Inbound direct flight with United departs from Boston Logan International on Mon, 4 Jan, arriving in Washington Dulles.Price includes taxes and charges.From 146 €, select.

Boston.170 € per passenger.Departing Wed, 13 Jan, returning Wed, 27 Jan.Return flight with United.Outbound direct flight with United departs from Washington Dulles on Wed, 13 Jan, arriving in Boston Logan International.Inbound direct flight with United departs from Boston Logan International on Wed, 27 Jan, arriving in Washington Dulles.Price includes taxes and charges.From 170 €, select.

Boston.179 € per passenger.Departing Wed, 16 Sep, returning Thu, 26 Nov.Return flight with United.Outbound indirect flight with United, departs from Washington Dulles on Wed, 16 Sep, arriving in Boston Logan International.Inbound indirect flight with United, departs from Boston Logan International on Thu, 26 Nov, arriving in Washington Dulles.Price includes taxes and charges.From 179 €, select.

Boston.189 € per passenger.Departing Thu, 4 Mar, returning Sun, 7 Mar.Return flight with United.Outbound direct flight with United departs from Washington Dulles on Thu, 4 Mar, arriving in Boston Logan International.Inbound direct flight with United departs from Boston Logan International on Sun, 7 Mar, arriving in Washington Dulles.Price includes taxes and charges.From 189 €, select.

Boston.190 € per passenger.Departing Thu, 1 Apr, returning Sun, 4 Apr.Return flight with United.Outbound direct flight with United departs from Washington Dulles on Thu, 1 Apr, arriving in Boston Logan International.Inbound direct flight with United departs from Boston Logan International on Sun, 4 Apr, arriving in Washington Dulles.Price includes taxes and charges.From 190 €, select.

Boston.200 € per passenger.Departing Sat, 15 Aug, returning Sat, 19 Dec.Return flight with United.Outbound indirect flight with United, departs from Washington Dulles on Sat, 15 Aug, arriving in Boston Logan International.Inbound indirect flight with United, departs from Boston Logan International on Sat, 19 Dec, arriving in Washington Dulles.Price includes taxes and charges.From 200 €, select.

Find the cheapest month to fly from Washington Dulles to Boston Logan International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Washington Dulles to Boston Logan International flights are currently cheapest in August.

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Direct flights from Washington Dulles to Boston Logan International

Washington Dulles to Boston Logan International: Alternative routes

Compare routes from Washington Dulles to Boston below. You may find an airport to fly into that's cheaper, faster, or easier than Boston Logan International.

Washington D.C. to Boston: Flight information

The things to know before you go.

Cheapest flight found	85 €
Cheapest month to fly	October
Average flight time	1 hr, 44 mins
Most popular airline	United
Average flights per week	127

Finding cheap flights from Washington Dulles to Boston Logan International: Frequently asked questions

How much are return flights from Washington Dulles to Boston Logan International?

The best price we found for a return flight from Washington Dulles to Boston Logan International is 85 €. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

How long does it take to fly from Washington Dulles to Boston Logan International?

1 hour and 44 minutes is the average flight time from Washington Dulles to Boston Logan International.

Which airlines fly direct from Washington Dulles to Boston Logan International?

United, Republic Airways and Avianca fly direct from Washington Dulles to Boston Logan International.

How many flights are there a week from Washington Dulles to Boston Logan International?

As of July 2026, there are 127 flights per week flying from Washington Dulles to Boston Logan International.

When is the cheapest time to fly from Washington Dulles to Boston Logan International?

The cheapest month to fly from Washington Dulles to Boston Logan International is usually October.

Which upcoming date is cheapest to fly from Washington Dulles Airport to Boston Logan International Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Washington Dulles Airport to Boston Logan International Airport on Wednesday, 21 October 2026.

Can I get a direct flight from Washington Dulles Airport to Boston Logan International Airport?

Yes – the average flight time is 1 hour and 44 minutes.

How can I find the best flight deal to Boston Logan International?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Boston Logan International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to Boston?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Boston is around 40 days in advance, so don’t leave your flight to the last minute.

Which is the cheapest airline to fly from Washington Dulles Airport to Boston Logan International with?

Currently, United offers the cheapest flight tickets to Boston Logan International.

Travelling from Washington Dulles Airport (IAD) to Boston Logan International Airport (BOS): what you need to know

The average time for a direct flight from Washington Dulles Airport to Boston Logan International Airport is 1 hour 40 minutes.
Boston's timezone is UTC-5, which is the same as Washington DC.
Each week, there are 28 Washington Dulles Airport to Boston Logan International Airport flights. To get going early, take the 08:25 United Airlines flight. If you're eager to make the most of your time before flying, the last departure is at 22:24 with United Airlines.
Arriving two hours before an international flight and one hour ahead of a domestic departure are tried-and-true travel tips. Be at the airport with enough time to catch your IAD to BOS flight.
During popular months such as July, you'll want to get to the airport well in advance. Plan to arrive two hours before a domestic departure and four hours ahead of international flights when you fly during a peak period in general.
United is your gateway to discovering Boston (and perhaps some other great parts of the United States!). Browse the direct flights from Washington Dulles Airport to Boston Logan International Airport offered by this carrier.
United is the top choice for travellers on this route.
The most punctual carrier operating IAD to BOS flights is United. Its services land as scheduled 78.43% of the time.
Consider adding a stopover when booking your ticket from Washington Dulles Airport to Boston Logan International Airport. Simply uncheck 'Direct flights only' to break up your journey, or maybe even explore a new city along the way. Check out these options between IAD and BOS:
- New York Newark Airport
- Philadelphia International Airport
- Pittsburgh International Airport

How to find the cheapest flights from Washington Dulles Airport (IAD) to Boston Logan International Airport (BOS)

42 € is the lowest price for a one-way Washington Dulles Airport to Boston Logan International Airport flight. A return flight starts at 85 €. These prices can change based on demand.
Don't wait until the last minute. You're more likely to get cheap tickets from IAD to BOS if you book in advance. Airlines often offer some fantastic early bird rates.
The cheapest month for flights from Washington Dulles Airport to Boston Logan International Airport is May. Use the 'Whole month' tool to find the lowest prices if you have flexible dates.
There's no need to check every day to find out if fares have gone down when you create a Price Alert. We'll update you the moment the price changes on cheap flights from IAD to BOS.
Tailor your trip using filters. Select your arrival and departure times, total journey duration and airlines. You can also sort your results by 'Fastest,' 'Best' or 'Cheapest' flights from Washington Dulles Airport to Boston Logan International Airport.

Handy information about Washington Dulles Airport (IAD)

IAD is located at 1 Saarinen Circle.
When it comes to the on-time performance of Washington Dulles Airport, 77% of flights arrive within the scheduled timeframe.
Washington Dulles Airport is about 40 kilometres from central Washington DC. If you're driving, ride-sharing or catching a taxi from the centre, it'll take 45 minutes or so to get there, depending on the traffic.
You can expect a trip time of roughly 1 hour 10 minutes when using public transport.
Looking for a convenient hotel near IAD? If you're catching an early flight from Washington Dulles Airport to Boston Logan International Airport, these stays will put you moments from check-in:

Arriving at Boston Logan International Airport (BOS)

Consider staying in a hotel near BOS if you're on a late Washington Dulles Airport to Boston Logan International Airport flight. Settle into one of these options and skip the long transfer after landing:
Get on the fast track to adventure by picking up a Boston Logan International Airport rental car. Grab your wheels from Dollar, Budget or Thrifty to explore Boston and beyond.
For the best deal, reserve your vehicle from Boston Logan International Airport about one week before you set off.

When to fly to Boston Logan International Airport (BOS)

It's time to pick your dates for your flight from Washington Dulles Airport to Boston Logan International Airport. July is the busiest month to visit Boston. If you'd like a more relaxed vibe, go in March.
The warmest month in Boston is July, with the temperature ranging between 16ºC (61ºF) and 29ºC (84ºF). Book your flights from Washington Dulles Airport to Boston Logan International Airport in this month if this is the type of weather you enjoy.
January sees average temperatures of between -8ºC (18ºF) and 6ºC (43ºF). Search for cheap tickets from IAD to BOS sometime around then if you like cooler conditions.

Explore more of the United States

New York is just one of the many places in the United States waiting to be explored once you've taken in the sights of Boston. Around 306 kilometres away to the south-west, popular attractions include Central Park, Statue of Liberty and Metropolitan Museum of Art.
Philadelphia is another essential stop in the United States and is around 434 kilometres south-west of Boston. No journey is complete without visiting Independence Hall, Liberty Bell and Philadelphia Museum of Art.