Fly from
Fly to
Route
Depart
Return
Washington, D.C.Boston
IAD - BOS
IADBOS
Washington, D.C. Dulles Intl
Sat 15/8
17:28-19:19
Nonstop1h 51m
Boston Logan Intl
Sat 29/8
18:54-22:59
1 stop4h 05m
Washington, D.C.Boston
IAD - BOS
IADBOS
Washington, D.C. Dulles Intl
Tue 21/7
17:25-19:14
Nonstop1h 49m
Boston Logan Intl
Tue 28/7
17:44-23:19
1 stop5h 35m
Washington, D.C.Boston
IAD - BOS
IADBOS
Washington, D.C. Dulles Intl
Mon 26/10
22:24-23:54
Nonstop1h 30m
Boston Logan Intl
Thu 29/10
11:30-16:14
1 stop4h 44m
Washington, D.C.Boston
IAD - BOS
IADBOS
Washington, D.C. Dulles Intl
Sat 18/7
22:10-23:59
Nonstop1h 49m
Boston Logan Intl
Thu 23/7
05:45-07:23
Nonstop1h 38m
Washington, D.C.Boston
IAD - BOS
IADBOS
Washington, D.C. Dulles Intl
Mon 27/7
22:10-23:59
Nonstop1h 49m
Boston Logan Intl
Wed 29/7
05:45-07:23
Nonstop1h 38m
Washington, D.C.Boston
IAD - BOS
IADBOS
Washington, D.C. Dulles Intl
Wed 15/7
22:10-23:59
Nonstop1h 49m
Boston Logan Intl
Tue 21/7
10:55-16:32
1 stop5h 37m
Washington, D.C.Boston
IAD - BOS
IADBOS
Washington, D.C. Dulles Intl
Sun 12/7
22:10-23:59
Nonstop1h 49m
Boston Logan Intl
Tue 14/7
05:45-07:23
Nonstop1h 38m
Washington, D.C.Boston
IAD - BOS
IADBOS
Washington, D.C. Dulles Intl
Thu 1/10
18:15-23:10
1 stop4h 55m
Boston Logan Intl
Mon 5/10
13:25-17:33
1 stop4h 08m
Washington, D.C.Boston
IAD - BOS
IADBOS
Washington, D.C. Dulles Intl
Mon 13/7
17:26-23:59
1 stop6h 33m
Boston Logan Intl
Sat 18/7
06:05-11:49
1 stop5h 44m
Washington, D.C.Boston
IAD - BOS
IADBOS
Washington, D.C. Dulles Intl
Wed 26/8
06:16-09:48
1 stop3h 32m
Boston Logan Intl
Fri 28/8
05:45-07:20
Nonstop1h 35m
The best time to book flights from Washington, D.C. Dulles Intl Airport to Boston is 72 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Boston (average of £160). Flying from Washington, D.C. Dulles Intl Airport to Boston in June is currently the most expensive (average of £304). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
When flying from Washington, D.C. Dulles Intl Airport to Boston, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
About 19% of weekly flights between Washington, D.C. and Boston have experienced delays in the past year, with the average delay time being 122 minutes.
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
Saturday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.
Over the past year, United Airlines have had the lowest number of delays on this route, with just 17% of flights being delayed.
Cheapflights makes it easy to find Dulles Intl to Boston flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.
Millions of users choose and trust Cheapflights to book the best flight deals from Dulles Intl to Boston for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.
Yes, we can. To see specific flights from Dulles Intl to Boston with no change fees, users can toggle flexible booking options after using the search form above to find flights.
Yes! Start tracking prices for Dulles Intl to Boston flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.