Skyscanner home

Flight tickets from Boston to Washington Dulles

Compare Boston to Washington Dulles flight deals

Find the cheapest month or even day of the year to fly to Washington Dulles

Book the best Washington Dulles fare with no extra fees

Flight deals from Boston to Washington Dulles Airport

Looking for a cheap last-minute deal or the best return flight from Boston to Washington Dulles Airport? If you want to travel next month, return fares start from ₹ 13,260. Find the lowest prices on one-way and return tickets right here.
Washington D.C..₹ 6,582 per passenger.Departing Tue, 19 May.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Boston Logan International on Tue, 19 May, arriving in Washington Dulles.Price includes taxes and charges.From ₹ 6,582, select.
Washington D.C..₹ 6,630 per passenger.Departing Wed, 3 Jun.One-way flight with United.Outbound direct flight with United departs from Boston Logan International on Wed, 3 Jun, arriving in Washington Dulles.Price includes taxes and charges.From ₹ 6,630, select.
Washington D.C..₹ 6,662 per passenger.Departing Wed, 29 Apr.One-way flight with United.Outbound direct flight with United departs from Boston Logan International on Wed, 29 Apr, arriving in Washington Dulles.Price includes taxes and charges.From ₹ 6,662, select.
Washington D.C..₹ 6,662 per passenger.Departing Tue, 12 May.One-way flight with United.Outbound direct flight with United departs from Boston Logan International on Tue, 12 May, arriving in Washington Dulles.Price includes taxes and charges.From ₹ 6,662, select.
Washington D.C..₹ 10,196 per passenger.Departing Tue, 1 Sep.One-way flight with United.Outbound direct flight with United departs from Boston Logan International on Tue, 1 Sep, arriving in Washington Dulles.Price includes taxes and charges.From ₹ 10,196, select.
Washington D.C..₹ 10,223 per passenger.Departing Thu, 30 Jul.One-way flight with United.Outbound direct flight with United departs from Boston Logan International on Thu, 30 Jul, arriving in Washington Dulles.Price includes taxes and charges.From ₹ 10,223, select.
Washington D.C..₹ 11,135 per passenger.Departing Wed, 30 Dec.One-way flight with United.Outbound direct flight with United departs from Boston Logan International on Wed, 30 Dec, arriving in Washington Dulles.Price includes taxes and charges.From ₹ 11,135, select.
Washington D.C..₹ 11,166 per passenger.Departing Fri, 15 Jan.One-way flight with United.Outbound direct flight with United departs from Boston Logan International on Fri, 15 Jan, arriving in Washington Dulles.Price includes taxes and charges.From ₹ 11,166, select.
Washington D.C..₹ 12,058 per passenger.Departing Wed, 12 Aug.One-way flight with Delta.Outbound indirect flight with Delta, departs from Boston Logan International on Wed, 12 Aug, arriving in Washington Dulles.Price includes taxes and charges.From ₹ 12,058, select.
Washington D.C..₹ 12,074 per passenger.Departing Thu, 1 Oct.One-way flight with Delta.Outbound indirect flight with Delta, departs from Boston Logan International on Thu, 1 Oct, arriving in Washington Dulles.Price includes taxes and charges.From ₹ 12,074, select.
Washington D.C..₹ 12,357 per passenger.Departing Sat, 28 Mar.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Boston Logan International on Sat, 28 Mar, arriving in Washington Dulles.Price includes taxes and charges.From ₹ 12,357, select.
Washington D.C..₹ 13,495 per passenger.Departing Wed, 12 Aug.One-way flight with United.Outbound direct flight with United departs from Boston Logan International on Wed, 12 Aug, arriving in Washington Dulles.Price includes taxes and charges.From ₹ 13,495, select.
Washington D.C..₹ 14,351 per passenger.Departing Thu, 1 Oct.One-way flight with United.Outbound direct flight with United departs from Boston Logan International on Thu, 1 Oct, arriving in Washington Dulles.Price includes taxes and charges.From ₹ 14,351, select.
Washington D.C..₹ 20,194 per passenger.Departing Tue, 31 Mar.One-way flight with United.Outbound direct flight with United departs from Boston Logan International on Tue, 31 Mar, arriving in Washington Dulles.Price includes taxes and charges.From ₹ 20,194, select.

Find the cheapest month to fly from Boston to Washington Dulles

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Boston to Washington Dulles flights are currently cheapest in May.
Mar
from ₹ 12,357
Apr
from ₹ 6,662
May
from ₹ 6,582
Jun
from ₹ 6,630
Jul
from ₹ 10,223
Aug
from ₹ 12,058
Sep
from ₹ 10,196
Oct
from ₹ 12,074
Nov
Find prices
Dec
from ₹ 11,135
Jan
from ₹ 11,166
Feb
Find prices

Direct flights from Boston to Washington Dulles

Boston to Washington Dulles: Alternative routes

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

Washington Ronald Reagan

5km from central Washington D.C.
Closest
from ₹ 6,556
Search flights

Camp Springs Andrews AFB

17km from central Washington D.C.
Search flights

Washington Dulles

37km from central Washington D.C.
from ₹ 6,582
Search flights

Baltimore Washington International

44km from central Washington D.C.
Cheapest
from ₹ 4,617
Search flights

Manassas

47km from central Washington D.C.
Search flights

Boston to Washington D.C.: Flight information

The things to know before you go.
Cheapest flight found₹ 6,582
Cheapest month to flyMay
Average flight time1 hr, 42 mins
Most popular airlineUnited
Average flights per week392

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

The best price we found for a return flight from Boston to Washington Dulles is ₹ 13,164. 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.
1 hour and 42 minutes is the average flight time from Boston to Washington Dulles.
United, Avianca and Copa fly direct from Boston to Washington Dulles.
As of March 2026, there are 196 flights per week flying from Boston to Washington Dulles.
The cheapest month to fly from Boston to Washington Dulles is usually May.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Boston to Washington Dulles Airport on Wednesday, 6 May 2026.
Yes – the average flight time is 1 hour and 42 minutes.
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 Washington Dulles 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.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Washington D.C. is around 40 days in advance, so don’t leave your flight to the last minute.

How to find cheap flights to Washington D.C. (IAD) from Boston (BOSA) in 2026

Looking for cheap tickets from Boston to Washington Dulles? Return tickets start from ₹ 13,164 and one-way flights to Washington Dulles from Boston start from ₹ 6,582


Here are a few tips on how to secure the best flight price and make your journey as smooth as possible.

  • Simply hit 'search'. From British Airways to international carriers like Emirates, we compare all major airlines along with the most popular online travel agents to find the cheapest plane tickets from Boston to Washington Dulles. And with us there are no hidden fees - what you see is what you pay.
  • Compare flight deals to Washington D.C. from Boston from over 1,000 providers. Then choose the cheapest or fastest plane tickets. Flight tickets to Washington D.C. start from ₹ 6,582 one-way.
  • Flex your dates to find the best BOSA-IAD ticket prices. If you are flexible when it comes to your travel dates, use Skyscanner's 'Whole month' tool to find the cheapest month, and even day to fly to Washington Dulles from Boston.
  • Set up a Price Alert. You can easily track the fare of your cheap Boston-Washington Dulles flights by creating an alert. Whenever prices go down or up, you'll get an email or push notification to help make sure you get the best possible flight deal.
  • Find the cheapest Business class flights from Boston and Washington Dulles. We scour the internet for the best Business, Premium Economy and First Class flight fares to Washington D.C., too. Check the difference in price as you search – you might just chance upon a last-minute low fare. Note that not all cabin classes are available for every destination or airline.
  • Include nearby airports in your search. Widen your search for Boston to Washington Dulles flight deals by selecting the "add nearby airports" option. This will allow you to see flight prices for all the nearest airports at your departure point and your destination and could help you save next time you travel.
  • Search for cheap flights regardless of where you are. To get the best flight booking experience when out and about, download the app and search for plane tickets between Boston and Washington Dulles whenever you want.

Combine your flight to Washington Dulles from Boston with hotels and car hire

Once you've secured your cheap flight ticket from Boston to Washington Dulles, discover the best prices and exclusive rates for hotels in Washington D.C. or nearby. You can also compare hundreds of car hire companies in one go so that you get the best car hire price for your trip.


Plan the rest of your trip from Boston to Washington D.C.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.