Flight Routes from Boston to Washington DC

Trip type

Our cheapest offers for flights from Boston to Washington DC

Here you can compare cheap flights from Boston (BOS) to Washington DC (IAD) for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to Washington DC. Prices and availability may change at any time.

Outbound Return Airlines Shop Baggage Price
Best option
Boston
Washington DC
Outbound
06/25/26
direct
UA1734
01h 38min
Return
06/30/26
direct
UA0641
01h 45min
United Airlines ?
$274
Boston
Washington DC
Outbound
06/25/26
direct
UA1734
01h 38min
Return
06/30/26
direct
UA1392
01h 45min
United Airlines
$295
Boston
Washington DC
Outbound
06/25/26
direct
UA1734
01h 38min
Return
06/30/26
direct
UA0755
01h 49min
United Airlines ?
$298
Boston
Washington DC
Outbound
06/25/26
1 Stopover (CLT)
AA1552, AA1450
05h 16min
Return
06/30/26
1 Stopover (CLT)
AA2953, AA1843
04h 18min
American Airlines ?
$465
Boston
Washington DC
Outbound
06/25/26
1 Stopover (ATL)
F93085, F94410
12h 57min
Return
06/30/26
1 Stopover (ATL)
F91081, F93512
23h 49min
Frontier Airlines ?
$471
Prices based on recent searches, subject to last-minute changes
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Tips and tricks to help you find cheap flights from Boston to Washington DC

Favorite airline: United Airlines
Flight tickets on the route Boston – Washington DC are most frequently booked with United Airlines.
United Airlines
91 %
Porter Airlines
4 %
Sun Country Airlines
2 %
Cheapest weekday: Saturday
On this route flights are cheapest on Saturday when a ticket costs $152.00 on average.
Direct flights are cheaper
Direct flights on this route are $23.00 cheaper on average than flights with a stopover.
non stop flight
1 stop
01h 41min
04h 46min
191 $
214 $
The favorite connection is non-stop
Non-stop flights are especially popular on this route. 78 % of travelers will book a direct flight.
Route
bookings
Direct flights
01h 41min, from 191 $
78 %
1 stopover New York - Newark Liberty International Airport, NJ
04h 46min, from 214 $
12 %
1 stopover Toronto - City Centre Airport
05h 07min, from 868 $
6 %

Important flight information

Flight information: Boston - Washington DC

Roundtrip from 273,80 $
Flight duration min. 01:37 / max. 07:50
Return flight duration min. 01:28/ max. 11:24
Distance 664 km
Flights per week 30
Departure airport Airport Boston Logan International Airport, MA (BOS)
Arrival airport Airport Washington DC - Dulles International Airport, DC (IAD)
Destination country Flights to United States
Alternative routes to United States
Alternative flights to Washington DC
Flight destinations with a similar price
Flight destinations with a similar price